pub_tool_libcsignal.h revision 5bb61fe68ee37d3be2648b1291c00f7e3664e1d5 
1
2/*--------------------------------------------------------------------*/
3/*--- Signal-related libc stuff.             pub_tool_libcsignal.h ---*/
4/*--------------------------------------------------------------------*/
5
6/*
7   This file is part of Valgrind, a dynamic binary instrumentation
8   framework.
9
10   Copyright (C) 2000-2005 Julian Seward
11      jseward@acm.org
12
13   This program is free software; you can redistribute it and/or
14   modify it under the terms of the GNU General Public License as
15   published by the Free Software Foundation; either version 2 of the
16   License, or (at your option) any later version.
17
18   This program is distributed in the hope that it will be useful, but
19   WITHOUT ANY WARRANTY; without even the implied warranty of
20   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
21   General Public License for more details.
22
23   You should have received a copy of the GNU General Public License
24   along with this program; if not, write to the Free Software
25   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
26   02111-1307, USA.
27
28   The GNU General Public License is contained in the file COPYING.
29*/
30
31#ifndef __PUB_TOOL_LIBCBSIGNAL_H
32#define __PUB_TOOL_LIBCBSIGNAL_H
33
34/* Note that these use the vki_ (kernel) structure
35   definitions, which are different in places from those that glibc
36   defines.  Since we're operating right at the kernel interface, glibc's view
37   of the world is entirely irrelevant. */
38
39/* --- Signal set ops --- */
40extern Int  VG_(sigfillset)  ( vki_sigset_t* set );
41extern Int  VG_(sigemptyset) ( vki_sigset_t* set );
42
43extern Bool VG_(isfullsigset)  ( const vki_sigset_t* set );
44extern Bool VG_(isemptysigset) ( const vki_sigset_t* set );
45extern Bool VG_(iseqsigset)    ( const vki_sigset_t* set1,
46                                 const vki_sigset_t* set2 );
47
48extern Int  VG_(sigaddset)   ( vki_sigset_t* set, Int signum );
49extern Int  VG_(sigdelset)   ( vki_sigset_t* set, Int signum );
50extern Int  VG_(sigismember) ( const vki_sigset_t* set, Int signum );
51
52extern void VG_(sigaddset_from_set) ( vki_sigset_t* dst, vki_sigset_t* src );
53extern void VG_(sigdelset_from_set) ( vki_sigset_t* dst, vki_sigset_t* src );
54
55/* --- Mess with the kernel's sig state --- */
56extern Int VG_(sigprocmask) ( Int how, const vki_sigset_t* set,
57                              vki_sigset_t* oldset );
58extern Int VG_(sigaction)   ( Int signum,
59                              const struct vki_sigaction* act,
60                              struct vki_sigaction* oldact );
61
62extern Int VG_(sigtimedwait)( const vki_sigset_t *, vki_siginfo_t *,
63			      const struct vki_timespec * );
64
65extern Int VG_(signal)      ( Int signum, void (*sighandler)(Int) );
66
67extern Int VG_(kill)        ( Int pid, Int signo );
68extern Int VG_(tkill)       ( ThreadId tid, Int signo );
69
70#endif   // __PUB_TOOL_LIBCBSIGNAL_H
71
72/*--------------------------------------------------------------------*/
73/*--- end                                                          ---*/
74/*--------------------------------------------------------------------*/
75