105436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* DO NOT EDIT! GENERATED AUTOMATICALLY! */ 205436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* A GNU-like <signal.h>. 305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 405436638acc7c010349a69c3395f1a57c642dc62Ying Wang Copyright (C) 2006-2012 Free Software Foundation, Inc. 505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 605436638acc7c010349a69c3395f1a57c642dc62Ying Wang This program is free software: you can redistribute it and/or modify 705436638acc7c010349a69c3395f1a57c642dc62Ying Wang it under the terms of the GNU General Public License as published by 805436638acc7c010349a69c3395f1a57c642dc62Ying Wang the Free Software Foundation; either version 3 of the License, or 905436638acc7c010349a69c3395f1a57c642dc62Ying Wang (at your option) any later version. 1005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 1105436638acc7c010349a69c3395f1a57c642dc62Ying Wang This program is distributed in the hope that it will be useful, 1205436638acc7c010349a69c3395f1a57c642dc62Ying Wang but WITHOUT ANY WARRANTY; without even the implied warranty of 1305436638acc7c010349a69c3395f1a57c642dc62Ying Wang MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 1405436638acc7c010349a69c3395f1a57c642dc62Ying Wang GNU General Public License for more details. 1505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 1605436638acc7c010349a69c3395f1a57c642dc62Ying Wang You should have received a copy of the GNU General Public License 1705436638acc7c010349a69c3395f1a57c642dc62Ying Wang along with this program. If not, see <http://www.gnu.org/licenses/>. */ 1805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 1905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if __GNUC__ >= 3 2005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#pragma GCC system_header 2105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 2205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 2305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 2405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __need_sig_atomic_t || defined __need_sigset_t || defined _GL_ALREADY_INCLUDING_SIGNAL_H || (defined _SIGNAL_H && !defined __SIZEOF_PTHREAD_MUTEX_T) 2505436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Special invocation convention: 2605436638acc7c010349a69c3395f1a57c642dc62Ying Wang - Inside glibc header files. 2705436638acc7c010349a69c3395f1a57c642dc62Ying Wang - On glibc systems we have a sequence of nested includes 2805436638acc7c010349a69c3395f1a57c642dc62Ying Wang <signal.h> -> <ucontext.h> -> <signal.h>. 2905436638acc7c010349a69c3395f1a57c642dc62Ying Wang In this situation, the functions are not yet declared, therefore we cannot 3005436638acc7c010349a69c3395f1a57c642dc62Ying Wang provide the C++ aliases. 3105436638acc7c010349a69c3395f1a57c642dc62Ying Wang - On glibc systems with GCC 4.3 we have a sequence of nested includes 3205436638acc7c010349a69c3395f1a57c642dc62Ying Wang <csignal> -> </usr/include/signal.h> -> <sys/ucontext.h> -> <signal.h>. 3305436638acc7c010349a69c3395f1a57c642dc62Ying Wang In this situation, some of the functions are not yet declared, therefore 3405436638acc7c010349a69c3395f1a57c642dc62Ying Wang we cannot provide the C++ aliases. */ 3505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 3605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# include_next <signal.h> 3705436638acc7c010349a69c3395f1a57c642dc62Ying Wang 3805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 3905436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Normal invocation convention. */ 4005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 4105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef _GL_SIGNAL_H 4205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 4305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#define _GL_ALREADY_INCLUDING_SIGNAL_H 4405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 4505436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Define pid_t, uid_t. 4605436638acc7c010349a69c3395f1a57c642dc62Ying Wang Also, mingw defines sigset_t not in <signal.h>, but in <sys/types.h>. 4705436638acc7c010349a69c3395f1a57c642dc62Ying Wang On Solaris 10, <signal.h> includes <sys/types.h>, which eventually includes 4805436638acc7c010349a69c3395f1a57c642dc62Ying Wang us; so include <sys/types.h> now, before the second inclusion guard. */ 4905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#include <sys/types.h> 5005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 5105436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* The include_next requires a split double-inclusion guard. */ 5205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#include_next <signal.h> 5305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 5405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#undef _GL_ALREADY_INCLUDING_SIGNAL_H 5505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 5605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef _GL_SIGNAL_H 5705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#define _GL_SIGNAL_H 5805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 5905436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Mac OS X 10.3, FreeBSD 6.4, OpenBSD 3.8, OSF/1 4.0, Solaris 2.6 declare 6005436638acc7c010349a69c3395f1a57c642dc62Ying Wang pthread_sigmask in <pthread.h>, not in <signal.h>. 6105436638acc7c010349a69c3395f1a57c642dc62Ying Wang But avoid namespace pollution on glibc systems.*/ 6205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if (0 || defined GNULIB_POSIXCHECK) \ 6305436638acc7c010349a69c3395f1a57c642dc62Ying Wang && ((defined __APPLE__ && defined __MACH__) || defined __FreeBSD__ || defined __OpenBSD__ || defined __osf__ || defined __sun) \ 6405436638acc7c010349a69c3395f1a57c642dc62Ying Wang && ! defined __GLIBC__ 6505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# include <pthread.h> 6605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 6705436638acc7c010349a69c3395f1a57c642dc62Ying Wang 6805436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */ 6905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef _GL_CXXDEFS_H 7005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#define _GL_CXXDEFS_H 7105436638acc7c010349a69c3395f1a57c642dc62Ying Wang 7205436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* The three most frequent use cases of these macros are: 7305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 7405436638acc7c010349a69c3395f1a57c642dc62Ying Wang * For providing a substitute for a function that is missing on some 7505436638acc7c010349a69c3395f1a57c642dc62Ying Wang platforms, but is declared and works fine on the platforms on which 7605436638acc7c010349a69c3395f1a57c642dc62Ying Wang it exists: 7705436638acc7c010349a69c3395f1a57c642dc62Ying Wang 7805436638acc7c010349a69c3395f1a57c642dc62Ying Wang #if @GNULIB_FOO@ 7905436638acc7c010349a69c3395f1a57c642dc62Ying Wang # if !@HAVE_FOO@ 8005436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_FUNCDECL_SYS (foo, ...); 8105436638acc7c010349a69c3395f1a57c642dc62Ying Wang # endif 8205436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIAS_SYS (foo, ...); 8305436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIASWARN (foo); 8405436638acc7c010349a69c3395f1a57c642dc62Ying Wang #elif defined GNULIB_POSIXCHECK 8505436638acc7c010349a69c3395f1a57c642dc62Ying Wang ... 8605436638acc7c010349a69c3395f1a57c642dc62Ying Wang #endif 8705436638acc7c010349a69c3395f1a57c642dc62Ying Wang 8805436638acc7c010349a69c3395f1a57c642dc62Ying Wang * For providing a replacement for a function that exists on all platforms, 8905436638acc7c010349a69c3395f1a57c642dc62Ying Wang but is broken/insufficient and needs to be replaced on some platforms: 9005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 9105436638acc7c010349a69c3395f1a57c642dc62Ying Wang #if @GNULIB_FOO@ 9205436638acc7c010349a69c3395f1a57c642dc62Ying Wang # if @REPLACE_FOO@ 9305436638acc7c010349a69c3395f1a57c642dc62Ying Wang # if !(defined __cplusplus && defined GNULIB_NAMESPACE) 9405436638acc7c010349a69c3395f1a57c642dc62Ying Wang # undef foo 9505436638acc7c010349a69c3395f1a57c642dc62Ying Wang # define foo rpl_foo 9605436638acc7c010349a69c3395f1a57c642dc62Ying Wang # endif 9705436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_FUNCDECL_RPL (foo, ...); 9805436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIAS_RPL (foo, ...); 9905436638acc7c010349a69c3395f1a57c642dc62Ying Wang # else 10005436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIAS_SYS (foo, ...); 10105436638acc7c010349a69c3395f1a57c642dc62Ying Wang # endif 10205436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIASWARN (foo); 10305436638acc7c010349a69c3395f1a57c642dc62Ying Wang #elif defined GNULIB_POSIXCHECK 10405436638acc7c010349a69c3395f1a57c642dc62Ying Wang ... 10505436638acc7c010349a69c3395f1a57c642dc62Ying Wang #endif 10605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 10705436638acc7c010349a69c3395f1a57c642dc62Ying Wang * For providing a replacement for a function that exists on some platforms 10805436638acc7c010349a69c3395f1a57c642dc62Ying Wang but is broken/insufficient and needs to be replaced on some of them and 10905436638acc7c010349a69c3395f1a57c642dc62Ying Wang is additionally either missing or undeclared on some other platforms: 11005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 11105436638acc7c010349a69c3395f1a57c642dc62Ying Wang #if @GNULIB_FOO@ 11205436638acc7c010349a69c3395f1a57c642dc62Ying Wang # if @REPLACE_FOO@ 11305436638acc7c010349a69c3395f1a57c642dc62Ying Wang # if !(defined __cplusplus && defined GNULIB_NAMESPACE) 11405436638acc7c010349a69c3395f1a57c642dc62Ying Wang # undef foo 11505436638acc7c010349a69c3395f1a57c642dc62Ying Wang # define foo rpl_foo 11605436638acc7c010349a69c3395f1a57c642dc62Ying Wang # endif 11705436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_FUNCDECL_RPL (foo, ...); 11805436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIAS_RPL (foo, ...); 11905436638acc7c010349a69c3395f1a57c642dc62Ying Wang # else 12005436638acc7c010349a69c3395f1a57c642dc62Ying Wang # if !@HAVE_FOO@ or if !@HAVE_DECL_FOO@ 12105436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_FUNCDECL_SYS (foo, ...); 12205436638acc7c010349a69c3395f1a57c642dc62Ying Wang # endif 12305436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIAS_SYS (foo, ...); 12405436638acc7c010349a69c3395f1a57c642dc62Ying Wang # endif 12505436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIASWARN (foo); 12605436638acc7c010349a69c3395f1a57c642dc62Ying Wang #elif defined GNULIB_POSIXCHECK 12705436638acc7c010349a69c3395f1a57c642dc62Ying Wang ... 12805436638acc7c010349a69c3395f1a57c642dc62Ying Wang #endif 12905436638acc7c010349a69c3395f1a57c642dc62Ying Wang*/ 13005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 13105436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_EXTERN_C declaration; 13205436638acc7c010349a69c3395f1a57c642dc62Ying Wang performs the declaration with C linkage. */ 13305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __cplusplus 13405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_EXTERN_C extern "C" 13505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 13605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_EXTERN_C extern 13705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 13805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 13905436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_FUNCDECL_RPL (func, rettype, parameters_and_attributes); 14005436638acc7c010349a69c3395f1a57c642dc62Ying Wang declares a replacement function, named rpl_func, with the given prototype, 14105436638acc7c010349a69c3395f1a57c642dc62Ying Wang consisting of return type, parameters, and attributes. 14205436638acc7c010349a69c3395f1a57c642dc62Ying Wang Example: 14305436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_FUNCDECL_RPL (open, int, (const char *filename, int flags, ...) 14405436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_ARG_NONNULL ((1))); 14505436638acc7c010349a69c3395f1a57c642dc62Ying Wang */ 14605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#define _GL_FUNCDECL_RPL(func,rettype,parameters_and_attributes) \ 14705436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_FUNCDECL_RPL_1 (rpl_##func, rettype, parameters_and_attributes) 14805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#define _GL_FUNCDECL_RPL_1(rpl_func,rettype,parameters_and_attributes) \ 14905436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C rettype rpl_func parameters_and_attributes 15005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 15105436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_FUNCDECL_SYS (func, rettype, parameters_and_attributes); 15205436638acc7c010349a69c3395f1a57c642dc62Ying Wang declares the system function, named func, with the given prototype, 15305436638acc7c010349a69c3395f1a57c642dc62Ying Wang consisting of return type, parameters, and attributes. 15405436638acc7c010349a69c3395f1a57c642dc62Ying Wang Example: 15505436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_FUNCDECL_SYS (open, int, (const char *filename, int flags, ...) 15605436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_ARG_NONNULL ((1))); 15705436638acc7c010349a69c3395f1a57c642dc62Ying Wang */ 15805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#define _GL_FUNCDECL_SYS(func,rettype,parameters_and_attributes) \ 15905436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C rettype func parameters_and_attributes 16005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 16105436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_CXXALIAS_RPL (func, rettype, parameters); 16205436638acc7c010349a69c3395f1a57c642dc62Ying Wang declares a C++ alias called GNULIB_NAMESPACE::func 16305436638acc7c010349a69c3395f1a57c642dc62Ying Wang that redirects to rpl_func, if GNULIB_NAMESPACE is defined. 16405436638acc7c010349a69c3395f1a57c642dc62Ying Wang Example: 16505436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIAS_RPL (open, int, (const char *filename, int flags, ...)); 16605436638acc7c010349a69c3395f1a57c642dc62Ying Wang */ 16705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#define _GL_CXXALIAS_RPL(func,rettype,parameters) \ 16805436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIAS_RPL_1 (func, rpl_##func, rettype, parameters) 16905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __cplusplus && defined GNULIB_NAMESPACE 17005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \ 17105436638acc7c010349a69c3395f1a57c642dc62Ying Wang namespace GNULIB_NAMESPACE \ 17205436638acc7c010349a69c3395f1a57c642dc62Ying Wang { \ 17305436638acc7c010349a69c3395f1a57c642dc62Ying Wang rettype (*const func) parameters = ::rpl_func; \ 17405436638acc7c010349a69c3395f1a57c642dc62Ying Wang } \ 17505436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 17605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 17705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_RPL_1(func,rpl_func,rettype,parameters) \ 17805436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 17905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 18005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 18105436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_CXXALIAS_RPL_CAST_1 (func, rpl_func, rettype, parameters); 18205436638acc7c010349a69c3395f1a57c642dc62Ying Wang is like _GL_CXXALIAS_RPL_1 (func, rpl_func, rettype, parameters); 18305436638acc7c010349a69c3395f1a57c642dc62Ying Wang except that the C function rpl_func may have a slightly different 18405436638acc7c010349a69c3395f1a57c642dc62Ying Wang declaration. A cast is used to silence the "invalid conversion" error 18505436638acc7c010349a69c3395f1a57c642dc62Ying Wang that would otherwise occur. */ 18605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __cplusplus && defined GNULIB_NAMESPACE 18705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \ 18805436638acc7c010349a69c3395f1a57c642dc62Ying Wang namespace GNULIB_NAMESPACE \ 18905436638acc7c010349a69c3395f1a57c642dc62Ying Wang { \ 19005436638acc7c010349a69c3395f1a57c642dc62Ying Wang rettype (*const func) parameters = \ 19105436638acc7c010349a69c3395f1a57c642dc62Ying Wang reinterpret_cast<rettype(*)parameters>(::rpl_func); \ 19205436638acc7c010349a69c3395f1a57c642dc62Ying Wang } \ 19305436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 19405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 19505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_RPL_CAST_1(func,rpl_func,rettype,parameters) \ 19605436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 19705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 19805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 19905436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_CXXALIAS_SYS (func, rettype, parameters); 20005436638acc7c010349a69c3395f1a57c642dc62Ying Wang declares a C++ alias called GNULIB_NAMESPACE::func 20105436638acc7c010349a69c3395f1a57c642dc62Ying Wang that redirects to the system provided function func, if GNULIB_NAMESPACE 20205436638acc7c010349a69c3395f1a57c642dc62Ying Wang is defined. 20305436638acc7c010349a69c3395f1a57c642dc62Ying Wang Example: 20405436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIAS_SYS (open, int, (const char *filename, int flags, ...)); 20505436638acc7c010349a69c3395f1a57c642dc62Ying Wang */ 20605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __cplusplus && defined GNULIB_NAMESPACE 20705436638acc7c010349a69c3395f1a57c642dc62Ying Wang /* If we were to write 20805436638acc7c010349a69c3395f1a57c642dc62Ying Wang rettype (*const func) parameters = ::func; 20905436638acc7c010349a69c3395f1a57c642dc62Ying Wang like above in _GL_CXXALIAS_RPL_1, the compiler could optimize calls 21005436638acc7c010349a69c3395f1a57c642dc62Ying Wang better (remove an indirection through a 'static' pointer variable), 21105436638acc7c010349a69c3395f1a57c642dc62Ying Wang but then the _GL_CXXALIASWARN macro below would cause a warning not only 21205436638acc7c010349a69c3395f1a57c642dc62Ying Wang for uses of ::func but also for uses of GNULIB_NAMESPACE::func. */ 21305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_SYS(func,rettype,parameters) \ 21405436638acc7c010349a69c3395f1a57c642dc62Ying Wang namespace GNULIB_NAMESPACE \ 21505436638acc7c010349a69c3395f1a57c642dc62Ying Wang { \ 21605436638acc7c010349a69c3395f1a57c642dc62Ying Wang static rettype (*func) parameters = ::func; \ 21705436638acc7c010349a69c3395f1a57c642dc62Ying Wang } \ 21805436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 21905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 22005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_SYS(func,rettype,parameters) \ 22105436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 22205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 22305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 22405436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_CXXALIAS_SYS_CAST (func, rettype, parameters); 22505436638acc7c010349a69c3395f1a57c642dc62Ying Wang is like _GL_CXXALIAS_SYS (func, rettype, parameters); 22605436638acc7c010349a69c3395f1a57c642dc62Ying Wang except that the C function func may have a slightly different declaration. 22705436638acc7c010349a69c3395f1a57c642dc62Ying Wang A cast is used to silence the "invalid conversion" error that would 22805436638acc7c010349a69c3395f1a57c642dc62Ying Wang otherwise occur. */ 22905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __cplusplus && defined GNULIB_NAMESPACE 23005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \ 23105436638acc7c010349a69c3395f1a57c642dc62Ying Wang namespace GNULIB_NAMESPACE \ 23205436638acc7c010349a69c3395f1a57c642dc62Ying Wang { \ 23305436638acc7c010349a69c3395f1a57c642dc62Ying Wang static rettype (*func) parameters = \ 23405436638acc7c010349a69c3395f1a57c642dc62Ying Wang reinterpret_cast<rettype(*)parameters>(::func); \ 23505436638acc7c010349a69c3395f1a57c642dc62Ying Wang } \ 23605436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 23705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 23805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_SYS_CAST(func,rettype,parameters) \ 23905436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 24005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 24105436638acc7c010349a69c3395f1a57c642dc62Ying Wang 24205436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_CXXALIAS_SYS_CAST2 (func, rettype, parameters, rettype2, parameters2); 24305436638acc7c010349a69c3395f1a57c642dc62Ying Wang is like _GL_CXXALIAS_SYS (func, rettype, parameters); 24405436638acc7c010349a69c3395f1a57c642dc62Ying Wang except that the C function is picked among a set of overloaded functions, 24505436638acc7c010349a69c3395f1a57c642dc62Ying Wang namely the one with rettype2 and parameters2. Two consecutive casts 24605436638acc7c010349a69c3395f1a57c642dc62Ying Wang are used to silence the "cannot find a match" and "invalid conversion" 24705436638acc7c010349a69c3395f1a57c642dc62Ying Wang errors that would otherwise occur. */ 24805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __cplusplus && defined GNULIB_NAMESPACE 24905436638acc7c010349a69c3395f1a57c642dc62Ying Wang /* The outer cast must be a reinterpret_cast. 25005436638acc7c010349a69c3395f1a57c642dc62Ying Wang The inner cast: When the function is defined as a set of overloaded 25105436638acc7c010349a69c3395f1a57c642dc62Ying Wang functions, it works as a static_cast<>, choosing the designated variant. 25205436638acc7c010349a69c3395f1a57c642dc62Ying Wang When the function is defined as a single variant, it works as a 25305436638acc7c010349a69c3395f1a57c642dc62Ying Wang reinterpret_cast<>. The parenthesized cast syntax works both ways. */ 25405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \ 25505436638acc7c010349a69c3395f1a57c642dc62Ying Wang namespace GNULIB_NAMESPACE \ 25605436638acc7c010349a69c3395f1a57c642dc62Ying Wang { \ 25705436638acc7c010349a69c3395f1a57c642dc62Ying Wang static rettype (*func) parameters = \ 25805436638acc7c010349a69c3395f1a57c642dc62Ying Wang reinterpret_cast<rettype(*)parameters>( \ 25905436638acc7c010349a69c3395f1a57c642dc62Ying Wang (rettype2(*)parameters2)(::func)); \ 26005436638acc7c010349a69c3395f1a57c642dc62Ying Wang } \ 26105436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 26205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 26305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIAS_SYS_CAST2(func,rettype,parameters,rettype2,parameters2) \ 26405436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 26505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 26605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 26705436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_CXXALIASWARN (func); 26805436638acc7c010349a69c3395f1a57c642dc62Ying Wang causes a warning to be emitted when ::func is used but not when 26905436638acc7c010349a69c3395f1a57c642dc62Ying Wang GNULIB_NAMESPACE::func is used. func must be defined without overloaded 27005436638acc7c010349a69c3395f1a57c642dc62Ying Wang variants. */ 27105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __cplusplus && defined GNULIB_NAMESPACE 27205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN(func) \ 27305436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIASWARN_1 (func, GNULIB_NAMESPACE) 27405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN_1(func,namespace) \ 27505436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIASWARN_2 (func, namespace) 27605436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>, 27705436638acc7c010349a69c3395f1a57c642dc62Ying Wang we enable the warning only when not optimizing. */ 27805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !__OPTIMIZE__ 27905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN_2(func,namespace) \ 28005436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_WARN_ON_USE (func, \ 28105436638acc7c010349a69c3395f1a57c642dc62Ying Wang "The symbol ::" #func " refers to the system function. " \ 28205436638acc7c010349a69c3395f1a57c642dc62Ying Wang "Use " #namespace "::" #func " instead.") 28305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING 28405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN_2(func,namespace) \ 28505436638acc7c010349a69c3395f1a57c642dc62Ying Wang extern __typeof__ (func) func 28605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 28705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN_2(func,namespace) \ 28805436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 28905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 29005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 29105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN(func) \ 29205436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 29305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 29405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 29505436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_CXXALIASWARN1 (func, rettype, parameters_and_attributes); 29605436638acc7c010349a69c3395f1a57c642dc62Ying Wang causes a warning to be emitted when the given overloaded variant of ::func 29705436638acc7c010349a69c3395f1a57c642dc62Ying Wang is used but not when GNULIB_NAMESPACE::func is used. */ 29805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if defined __cplusplus && defined GNULIB_NAMESPACE 29905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \ 30005436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIASWARN1_1 (func, rettype, parameters_and_attributes, \ 30105436638acc7c010349a69c3395f1a57c642dc62Ying Wang GNULIB_NAMESPACE) 30205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN1_1(func,rettype,parameters_and_attributes,namespace) \ 30305436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_CXXALIASWARN1_2 (func, rettype, parameters_and_attributes, namespace) 30405436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* To work around GCC bug <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43881>, 30505436638acc7c010349a69c3395f1a57c642dc62Ying Wang we enable the warning only when not optimizing. */ 30605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !__OPTIMIZE__ 30705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ 30805436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_WARN_ON_USE_CXX (func, rettype, parameters_and_attributes, \ 30905436638acc7c010349a69c3395f1a57c642dc62Ying Wang "The symbol ::" #func " refers to the system function. " \ 31005436638acc7c010349a69c3395f1a57c642dc62Ying Wang "Use " #namespace "::" #func " instead.") 31105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING 31205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ 31305436638acc7c010349a69c3395f1a57c642dc62Ying Wang extern __typeof__ (func) func 31405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 31505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN1_2(func,rettype,parameters_and_attributes,namespace) \ 31605436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 31705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 31805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#else 31905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_CXXALIASWARN1(func,rettype,parameters_and_attributes) \ 32005436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_EXTERN_C int _gl_cxxalias_dummy 32105436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 32205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 32305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif /* _GL_CXXDEFS_H */ 32405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 32505436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* The definition of _GL_ARG_NONNULL is copied here. */ 32605436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_ARG_NONNULL((n,...,m)) tells the compiler and static analyzer tools 32705436638acc7c010349a69c3395f1a57c642dc62Ying Wang that the values passed as arguments n, ..., m must be non-NULL pointers. 32805436638acc7c010349a69c3395f1a57c642dc62Ying Wang n = 1 stands for the first argument, n = 2 for the second argument etc. */ 32905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef _GL_ARG_NONNULL 33005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if (__GNUC__ == 3 && __GNUC_MINOR__ >= 3) || __GNUC__ > 3 33105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_ARG_NONNULL(params) __attribute__ ((__nonnull__ params)) 33205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 33305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_ARG_NONNULL(params) 33405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 33505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 33605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 33705436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* The definition of _GL_WARN_ON_USE is copied here. */ 33805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef _GL_WARN_ON_USE 33905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 34005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) 34105436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* A compiler attribute is available in gcc versions 4.3.0 and later. */ 34205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_WARN_ON_USE(function, message) \ 34305436638acc7c010349a69c3395f1a57c642dc62Ying Wangextern __typeof__ (function) function __attribute__ ((__warning__ (message))) 34405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING 34505436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Verify the existence of the function. */ 34605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_WARN_ON_USE(function, message) \ 34705436638acc7c010349a69c3395f1a57c642dc62Ying Wangextern __typeof__ (function) function 34805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else /* Unsupported. */ 34905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_WARN_ON_USE(function, message) \ 35005436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_EXTERN_C int _gl_warn_on_use 35105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 35205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 35305436638acc7c010349a69c3395f1a57c642dc62Ying Wang 35405436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_WARN_ON_USE_CXX (function, rettype, parameters_and_attributes, "string") 35505436638acc7c010349a69c3395f1a57c642dc62Ying Wang is like _GL_WARN_ON_USE (function, "string"), except that the function is 35605436638acc7c010349a69c3395f1a57c642dc62Ying Wang declared with the given prototype, consisting of return type, parameters, 35705436638acc7c010349a69c3395f1a57c642dc62Ying Wang and attributes. 35805436638acc7c010349a69c3395f1a57c642dc62Ying Wang This variant is useful for overloaded functions in C++. _GL_WARN_ON_USE does 35905436638acc7c010349a69c3395f1a57c642dc62Ying Wang not work in this case. */ 36005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef _GL_WARN_ON_USE_CXX 36105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if 4 < __GNUC__ || (__GNUC__ == 4 && 3 <= __GNUC_MINOR__) 36205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ 36305436638acc7c010349a69c3395f1a57c642dc62Ying Wangextern rettype function parameters_and_attributes \ 36405436638acc7c010349a69c3395f1a57c642dc62Ying Wang __attribute__ ((__warning__ (msg))) 36505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# elif __GNUC__ >= 3 && GNULIB_STRICT_CHECKING 36605436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Verify the existence of the function. */ 36705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ 36805436638acc7c010349a69c3395f1a57c642dc62Ying Wangextern rettype function parameters_and_attributes 36905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else /* Unsupported. */ 37005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_WARN_ON_USE_CXX(function,rettype,parameters_and_attributes,msg) \ 37105436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_EXTERN_C int _gl_warn_on_use 37205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 37305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 37405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 37505436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* _GL_WARN_EXTERN_C declaration; 37605436638acc7c010349a69c3395f1a57c642dc62Ying Wang performs the declaration with C linkage. */ 37705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef _GL_WARN_EXTERN_C 37805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if defined __cplusplus 37905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_WARN_EXTERN_C extern "C" 38005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 38105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define _GL_WARN_EXTERN_C extern 38205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 38305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 38405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 38505436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* On AIX, sig_atomic_t already includes volatile. C99 requires that 38605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 'volatile sig_atomic_t' ignore the extra modifier, but C89 did not. 38705436638acc7c010349a69c3395f1a57c642dc62Ying Wang Hence, redefine this to a non-volatile type as needed. */ 38805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if ! 1 38905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !GNULIB_defined_sig_atomic_t 39005436638acc7c010349a69c3395f1a57c642dc62Ying Wangtypedef int rpl_sig_atomic_t; 39105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef sig_atomic_t 39205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define sig_atomic_t rpl_sig_atomic_t 39305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define GNULIB_defined_sig_atomic_t 1 39405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 39505436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 39605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 39705436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* A set or mask of signals. */ 39805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if !1 39905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !GNULIB_defined_sigset_t 40005436638acc7c010349a69c3395f1a57c642dc62Ying Wangtypedef unsigned int sigset_t; 40105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define GNULIB_defined_sigset_t 1 40205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 40305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 40405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 40505436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Define sighandler_t, the type of signal handlers. A GNU extension. */ 40605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if !0 40705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# ifdef __cplusplus 40805436638acc7c010349a69c3395f1a57c642dc62Ying Wangextern "C" { 40905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 41005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !GNULIB_defined_sighandler_t 41105436638acc7c010349a69c3395f1a57c642dc62Ying Wangtypedef void (*sighandler_t) (int); 41205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define GNULIB_defined_sighandler_t 1 41305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 41405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# ifdef __cplusplus 41505436638acc7c010349a69c3395f1a57c642dc62Ying Wang} 41605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 41705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 41805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 41905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 42005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if 0 42105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# ifndef SIGPIPE 42205436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Define SIGPIPE to a value that does not overlap with other signals. */ 42305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define SIGPIPE 13 42405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define GNULIB_defined_SIGPIPE 1 42505436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* To actually use SIGPIPE, you also need the gnulib modules 'sigprocmask', 42605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 'write', 'stdio'. */ 42705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 42805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 42905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 43005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 43105436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Maximum signal number + 1. */ 43205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef NSIG 43305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if defined __TANDEM 43405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define NSIG 32 43505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 43605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 43705436638acc7c010349a69c3395f1a57c642dc62Ying Wang 43805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 43905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if 0 44005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if 0 44105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !(defined __cplusplus && defined GNULIB_NAMESPACE) 44205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef pthread_sigmask 44305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define pthread_sigmask rpl_pthread_sigmask 44405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 44505436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_RPL (pthread_sigmask, int, 44605436638acc7c010349a69c3395f1a57c642dc62Ying Wang (int how, const sigset_t *new_mask, sigset_t *old_mask)); 44705436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_RPL (pthread_sigmask, int, 44805436638acc7c010349a69c3395f1a57c642dc62Ying Wang (int how, const sigset_t *new_mask, sigset_t *old_mask)); 44905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 45005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !1 45105436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_SYS (pthread_sigmask, int, 45205436638acc7c010349a69c3395f1a57c642dc62Ying Wang (int how, const sigset_t *new_mask, sigset_t *old_mask)); 45305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 45405436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_SYS (pthread_sigmask, int, 45505436638acc7c010349a69c3395f1a57c642dc62Ying Wang (int how, const sigset_t *new_mask, sigset_t *old_mask)); 45605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 45705436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIASWARN (pthread_sigmask); 45805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#elif defined GNULIB_POSIXCHECK 45905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef pthread_sigmask 46005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if HAVE_RAW_DECL_PTHREAD_SIGMASK 46105436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_ON_USE (pthread_sigmask, "pthread_sigmask is not portable - " 46205436638acc7c010349a69c3395f1a57c642dc62Ying Wang "use gnulib module pthread_sigmask for portability"); 46305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 46405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 46505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 46605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 46705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if 1 46805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if 0 46905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !(defined __cplusplus && defined GNULIB_NAMESPACE) 47005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef raise 47105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define raise rpl_raise 47205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 47305436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_RPL (raise, int, (int sig)); 47405436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_RPL (raise, int, (int sig)); 47505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 47605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !1 47705436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_SYS (raise, int, (int sig)); 47805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 47905436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_SYS (raise, int, (int sig)); 48005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 48105436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIASWARN (raise); 48205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#elif defined GNULIB_POSIXCHECK 48305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef raise 48405436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Assume raise is always declared. */ 48505436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_ON_USE (raise, "raise can crash on native Windows - " 48605436638acc7c010349a69c3395f1a57c642dc62Ying Wang "use gnulib module raise for portability"); 48705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 48805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 48905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 49005436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if 1 49105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !1 49205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 49305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# ifndef GNULIB_defined_signal_blocking 49405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define GNULIB_defined_signal_blocking 1 49505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 49605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 49705436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Maximum signal number + 1. */ 49805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# ifndef NSIG 49905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define NSIG 32 50005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 50105436638acc7c010349a69c3395f1a57c642dc62Ying Wang 50205436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* This code supports only 32 signals. */ 50305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !GNULIB_defined_verify_NSIG_constraint 50405436638acc7c010349a69c3395f1a57c642dc62Ying Wangtypedef int verify_NSIG_constraint[NSIG <= 32 ? 1 : -1]; 50505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define GNULIB_defined_verify_NSIG_constraint 1 50605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 50705436638acc7c010349a69c3395f1a57c642dc62Ying Wang 50805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 50905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 51005436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Test whether a given signal is contained in a signal set. */ 51105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if 1 51205436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* This function is defined as a macro on Mac OS X. */ 51305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if defined __cplusplus && defined GNULIB_NAMESPACE 51405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef sigismember 51505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 51605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 51705436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_SYS (sigismember, int, (const sigset_t *set, int sig) 51805436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_ARG_NONNULL ((1))); 51905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 52005436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_SYS (sigismember, int, (const sigset_t *set, int sig)); 52105436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIASWARN (sigismember); 52205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 52305436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Initialize a signal set to the empty set. */ 52405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if 1 52505436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* This function is defined as a macro on Mac OS X. */ 52605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if defined __cplusplus && defined GNULIB_NAMESPACE 52705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef sigemptyset 52805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 52905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 53005436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_SYS (sigemptyset, int, (sigset_t *set) _GL_ARG_NONNULL ((1))); 53105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 53205436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_SYS (sigemptyset, int, (sigset_t *set)); 53305436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIASWARN (sigemptyset); 53405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 53505436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Add a signal to a signal set. */ 53605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if 1 53705436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* This function is defined as a macro on Mac OS X. */ 53805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if defined __cplusplus && defined GNULIB_NAMESPACE 53905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef sigaddset 54005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 54105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 54205436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_SYS (sigaddset, int, (sigset_t *set, int sig) 54305436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_ARG_NONNULL ((1))); 54405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 54505436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_SYS (sigaddset, int, (sigset_t *set, int sig)); 54605436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIASWARN (sigaddset); 54705436638acc7c010349a69c3395f1a57c642dc62Ying Wang 54805436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Remove a signal from a signal set. */ 54905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if 1 55005436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* This function is defined as a macro on Mac OS X. */ 55105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if defined __cplusplus && defined GNULIB_NAMESPACE 55205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef sigdelset 55305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 55405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 55505436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_SYS (sigdelset, int, (sigset_t *set, int sig) 55605436638acc7c010349a69c3395f1a57c642dc62Ying Wang _GL_ARG_NONNULL ((1))); 55705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 55805436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_SYS (sigdelset, int, (sigset_t *set, int sig)); 55905436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIASWARN (sigdelset); 56005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 56105436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Fill a signal set with all possible signals. */ 56205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if 1 56305436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* This function is defined as a macro on Mac OS X. */ 56405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if defined __cplusplus && defined GNULIB_NAMESPACE 56505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef sigfillset 56605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 56705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 56805436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_SYS (sigfillset, int, (sigset_t *set) _GL_ARG_NONNULL ((1))); 56905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 57005436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_SYS (sigfillset, int, (sigset_t *set)); 57105436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIASWARN (sigfillset); 57205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 57305436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Return the set of those blocked signals that are pending. */ 57405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !1 57505436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_SYS (sigpending, int, (sigset_t *set) _GL_ARG_NONNULL ((1))); 57605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 57705436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_SYS (sigpending, int, (sigset_t *set)); 57805436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIASWARN (sigpending); 57905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 58005436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* If OLD_SET is not NULL, put the current set of blocked signals in *OLD_SET. 58105436638acc7c010349a69c3395f1a57c642dc62Ying Wang Then, if SET is not NULL, affect the current set of blocked signals by 58205436638acc7c010349a69c3395f1a57c642dc62Ying Wang combining it with *SET as indicated in OPERATION. 58305436638acc7c010349a69c3395f1a57c642dc62Ying Wang In this implementation, you are not allowed to change a signal handler 58405436638acc7c010349a69c3395f1a57c642dc62Ying Wang while the signal is blocked. */ 58505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !1 58605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define SIG_BLOCK 0 /* blocked_set = blocked_set | *set; */ 58705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define SIG_SETMASK 1 /* blocked_set = *set; */ 58805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define SIG_UNBLOCK 2 /* blocked_set = blocked_set & ~*set; */ 58905436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_SYS (sigprocmask, int, 59005436638acc7c010349a69c3395f1a57c642dc62Ying Wang (int operation, const sigset_t *set, sigset_t *old_set)); 59105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 59205436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_SYS (sigprocmask, int, 59305436638acc7c010349a69c3395f1a57c642dc62Ying Wang (int operation, const sigset_t *set, sigset_t *old_set)); 59405436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIASWARN (sigprocmask); 59505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 59605436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Install the handler FUNC for signal SIG, and return the previous 59705436638acc7c010349a69c3395f1a57c642dc62Ying Wang handler. */ 59805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# ifdef __cplusplus 59905436638acc7c010349a69c3395f1a57c642dc62Ying Wangextern "C" { 60005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 60105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !GNULIB_defined_function_taking_int_returning_void_t 60205436638acc7c010349a69c3395f1a57c642dc62Ying Wangtypedef void (*_gl_function_taking_int_returning_void_t) (int); 60305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define GNULIB_defined_function_taking_int_returning_void_t 1 60405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 60505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# ifdef __cplusplus 60605436638acc7c010349a69c3395f1a57c642dc62Ying Wang} 60705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 60805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !1 60905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !(defined __cplusplus && defined GNULIB_NAMESPACE) 61005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define signal rpl_signal 61105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 61205436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_RPL (signal, _gl_function_taking_int_returning_void_t, 61305436638acc7c010349a69c3395f1a57c642dc62Ying Wang (int sig, _gl_function_taking_int_returning_void_t func)); 61405436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_RPL (signal, _gl_function_taking_int_returning_void_t, 61505436638acc7c010349a69c3395f1a57c642dc62Ying Wang (int sig, _gl_function_taking_int_returning_void_t func)); 61605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# else 61705436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_SYS (signal, _gl_function_taking_int_returning_void_t, 61805436638acc7c010349a69c3395f1a57c642dc62Ying Wang (int sig, _gl_function_taking_int_returning_void_t func)); 61905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 62005436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIASWARN (signal); 62105436638acc7c010349a69c3395f1a57c642dc62Ying Wang 62205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !1 && GNULIB_defined_SIGPIPE 62305436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Raise signal SIGPIPE. */ 62405436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_EXTERN_C int _gl_raise_SIGPIPE (void); 62505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 62605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 62705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#elif defined GNULIB_POSIXCHECK 62805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef sigaddset 62905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if HAVE_RAW_DECL_SIGADDSET 63005436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_ON_USE (sigaddset, "sigaddset is unportable - " 63105436638acc7c010349a69c3395f1a57c642dc62Ying Wang "use the gnulib module sigprocmask for portability"); 63205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 63305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef sigdelset 63405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if HAVE_RAW_DECL_SIGDELSET 63505436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_ON_USE (sigdelset, "sigdelset is unportable - " 63605436638acc7c010349a69c3395f1a57c642dc62Ying Wang "use the gnulib module sigprocmask for portability"); 63705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 63805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef sigemptyset 63905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if HAVE_RAW_DECL_SIGEMPTYSET 64005436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_ON_USE (sigemptyset, "sigemptyset is unportable - " 64105436638acc7c010349a69c3395f1a57c642dc62Ying Wang "use the gnulib module sigprocmask for portability"); 64205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 64305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef sigfillset 64405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if HAVE_RAW_DECL_SIGFILLSET 64505436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_ON_USE (sigfillset, "sigfillset is unportable - " 64605436638acc7c010349a69c3395f1a57c642dc62Ying Wang "use the gnulib module sigprocmask for portability"); 64705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 64805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef sigismember 64905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if HAVE_RAW_DECL_SIGISMEMBER 65005436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_ON_USE (sigismember, "sigismember is unportable - " 65105436638acc7c010349a69c3395f1a57c642dc62Ying Wang "use the gnulib module sigprocmask for portability"); 65205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 65305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef sigpending 65405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if HAVE_RAW_DECL_SIGPENDING 65505436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_ON_USE (sigpending, "sigpending is unportable - " 65605436638acc7c010349a69c3395f1a57c642dc62Ying Wang "use the gnulib module sigprocmask for portability"); 65705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 65805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef sigprocmask 65905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if HAVE_RAW_DECL_SIGPROCMASK 66005436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_ON_USE (sigprocmask, "sigprocmask is unportable - " 66105436638acc7c010349a69c3395f1a57c642dc62Ying Wang "use the gnulib module sigprocmask for portability"); 66205436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 66305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif /* 1 */ 66405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 66505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 66605436638acc7c010349a69c3395f1a57c642dc62Ying Wang#if 1 66705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !1 66805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 66905436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !1 67005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 67105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !GNULIB_defined_siginfo_types 67205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 67305436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Present to allow compilation, but unsupported by gnulib. */ 67405436638acc7c010349a69c3395f1a57c642dc62Ying Wangunion sigval 67505436638acc7c010349a69c3395f1a57c642dc62Ying Wang{ 67605436638acc7c010349a69c3395f1a57c642dc62Ying Wang int sival_int; 67705436638acc7c010349a69c3395f1a57c642dc62Ying Wang void *sival_ptr; 67805436638acc7c010349a69c3395f1a57c642dc62Ying Wang}; 67905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 68005436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Present to allow compilation, but unsupported by gnulib. */ 68105436638acc7c010349a69c3395f1a57c642dc62Ying Wangstruct siginfo_t 68205436638acc7c010349a69c3395f1a57c642dc62Ying Wang{ 68305436638acc7c010349a69c3395f1a57c642dc62Ying Wang int si_signo; 68405436638acc7c010349a69c3395f1a57c642dc62Ying Wang int si_code; 68505436638acc7c010349a69c3395f1a57c642dc62Ying Wang int si_errno; 68605436638acc7c010349a69c3395f1a57c642dc62Ying Wang pid_t si_pid; 68705436638acc7c010349a69c3395f1a57c642dc62Ying Wang uid_t si_uid; 68805436638acc7c010349a69c3395f1a57c642dc62Ying Wang void *si_addr; 68905436638acc7c010349a69c3395f1a57c642dc62Ying Wang int si_status; 69005436638acc7c010349a69c3395f1a57c642dc62Ying Wang long si_band; 69105436638acc7c010349a69c3395f1a57c642dc62Ying Wang union sigval si_value; 69205436638acc7c010349a69c3395f1a57c642dc62Ying Wang}; 69305436638acc7c010349a69c3395f1a57c642dc62Ying Wangtypedef struct siginfo_t siginfo_t; 69405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 69505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define GNULIB_defined_siginfo_types 1 69605436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 69705436638acc7c010349a69c3395f1a57c642dc62Ying Wang 69805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif /* !1 */ 69905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 70005436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* We assume that platforms which lack the sigaction() function also lack 70105436638acc7c010349a69c3395f1a57c642dc62Ying Wang the 'struct sigaction' type, and vice versa. */ 70205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 70305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if !GNULIB_defined_struct_sigaction 70405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 70505436638acc7c010349a69c3395f1a57c642dc62Ying Wangstruct sigaction 70605436638acc7c010349a69c3395f1a57c642dc62Ying Wang{ 70705436638acc7c010349a69c3395f1a57c642dc62Ying Wang union 70805436638acc7c010349a69c3395f1a57c642dc62Ying Wang { 70905436638acc7c010349a69c3395f1a57c642dc62Ying Wang void (*_sa_handler) (int); 71005436638acc7c010349a69c3395f1a57c642dc62Ying Wang /* Present to allow compilation, but unsupported by gnulib. POSIX 71105436638acc7c010349a69c3395f1a57c642dc62Ying Wang says that implementations may, but not must, make sa_sigaction 71205436638acc7c010349a69c3395f1a57c642dc62Ying Wang overlap with sa_handler, but we know of no implementation where 71305436638acc7c010349a69c3395f1a57c642dc62Ying Wang they do not overlap. */ 71405436638acc7c010349a69c3395f1a57c642dc62Ying Wang void (*_sa_sigaction) (int, siginfo_t *, void *); 71505436638acc7c010349a69c3395f1a57c642dc62Ying Wang } _sa_func; 71605436638acc7c010349a69c3395f1a57c642dc62Ying Wang sigset_t sa_mask; 71705436638acc7c010349a69c3395f1a57c642dc62Ying Wang /* Not all POSIX flags are supported. */ 71805436638acc7c010349a69c3395f1a57c642dc62Ying Wang int sa_flags; 71905436638acc7c010349a69c3395f1a57c642dc62Ying Wang}; 72005436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define sa_handler _sa_func._sa_handler 72105436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define sa_sigaction _sa_func._sa_sigaction 72205436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Unsupported flags are not present. */ 72305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define SA_RESETHAND 1 72405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define SA_NODEFER 2 72505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define SA_RESTART 4 72605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 72705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define GNULIB_defined_struct_sigaction 1 72805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 72905436638acc7c010349a69c3395f1a57c642dc62Ying Wang 73005436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_FUNCDECL_SYS (sigaction, int, (int, const struct sigaction *restrict, 73105436638acc7c010349a69c3395f1a57c642dc62Ying Wang struct sigaction *restrict)); 73205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 73305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# elif !1 73405436638acc7c010349a69c3395f1a57c642dc62Ying Wang 73505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define sa_sigaction sa_handler 73605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 73705436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif /* !1, !1 */ 73805436638acc7c010349a69c3395f1a57c642dc62Ying Wang 73905436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIAS_SYS (sigaction, int, (int, const struct sigaction *restrict, 74005436638acc7c010349a69c3395f1a57c642dc62Ying Wang struct sigaction *restrict)); 74105436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_CXXALIASWARN (sigaction); 74205436638acc7c010349a69c3395f1a57c642dc62Ying Wang 74305436638acc7c010349a69c3395f1a57c642dc62Ying Wang#elif defined GNULIB_POSIXCHECK 74405436638acc7c010349a69c3395f1a57c642dc62Ying Wang# undef sigaction 74505436638acc7c010349a69c3395f1a57c642dc62Ying Wang# if HAVE_RAW_DECL_SIGACTION 74605436638acc7c010349a69c3395f1a57c642dc62Ying Wang_GL_WARN_ON_USE (sigaction, "sigaction is unportable - " 74705436638acc7c010349a69c3395f1a57c642dc62Ying Wang "use the gnulib module sigaction for portability"); 74805436638acc7c010349a69c3395f1a57c642dc62Ying Wang# endif 74905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 75005436638acc7c010349a69c3395f1a57c642dc62Ying Wang 75105436638acc7c010349a69c3395f1a57c642dc62Ying Wang/* Some systems don't have SA_NODEFER. */ 75205436638acc7c010349a69c3395f1a57c642dc62Ying Wang#ifndef SA_NODEFER 75305436638acc7c010349a69c3395f1a57c642dc62Ying Wang# define SA_NODEFER 0 75405436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 75505436638acc7c010349a69c3395f1a57c642dc62Ying Wang 75605436638acc7c010349a69c3395f1a57c642dc62Ying Wang 75705436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif /* _GL_SIGNAL_H */ 75805436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif /* _GL_SIGNAL_H */ 75905436638acc7c010349a69c3395f1a57c642dc62Ying Wang#endif 760