pub_tool_libcproc.h revision 0f157ddb404bcde7815a1c5bf2d7e41c114f3d73
1 2/*--------------------------------------------------------------------*/ 3/*--- Process-related libc stuff pub_tool_libcproc.h ---*/ 4/*--------------------------------------------------------------------*/ 5 6/* 7 This file is part of Valgrind, a dynamic binary instrumentation 8 framework. 9 10 Copyright (C) 2000-2013 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_LIBCPROC_H 32#define __PUB_TOOL_LIBCPROC_H 33 34#include "pub_tool_basics.h" // VG_ macro 35#include "pub_tool_vki.h" // vki_rlimit 36 37/* --------------------------------------------------------------------- 38 Command-line and environment stuff 39 ------------------------------------------------------------------ */ 40 41/* Client environment. */ 42extern HChar** VG_(client_envp); 43 44/* Looks up VG_(client_envp) */ 45extern HChar* VG_(getenv) ( const HChar* name ); 46 47/* Path to all our library/aux files */ 48extern const HChar *VG_(libdir); 49 50// The name of the LD_PRELOAD-equivalent variable. It varies across 51// platforms. 52extern const HChar* VG_(LD_PRELOAD_var_name); 53 54/* --------------------------------------------------------------------- 55 Important syscalls 56 ------------------------------------------------------------------ */ 57 58extern Int VG_(waitpid)( Int pid, Int *status, Int options ); 59extern Int VG_(system) ( const HChar* cmd ); 60extern Int VG_(fork) ( void); 61extern void VG_(execv) ( const HChar* filename, HChar** argv ); 62 63/* --------------------------------------------------------------------- 64 Resource limits and capabilities 65 ------------------------------------------------------------------ */ 66 67extern Int VG_(getrlimit) ( Int resource, struct vki_rlimit *rlim ); 68extern Int VG_(setrlimit) ( Int resource, const struct vki_rlimit *rlim ); 69extern Int VG_(prctl) (Int option, 70 ULong arg2, ULong arg3, ULong arg4, ULong arg5); 71 72/* --------------------------------------------------------------------- 73 pids, etc 74 ------------------------------------------------------------------ */ 75 76extern Int VG_(gettid) ( void ); 77extern Int VG_(getpid) ( void ); 78extern Int VG_(getppid) ( void ); 79extern Int VG_(getpgrp) ( void ); 80extern Int VG_(geteuid) ( void ); 81extern Int VG_(getegid) ( void ); 82 83/* --------------------------------------------------------------------- 84 Timing 85 ------------------------------------------------------------------ */ 86 87// Returns the number of milliseconds passed since the progam started 88// (roughly; it gets initialised partway through Valgrind's initialisation 89// steps). 90extern UInt VG_(read_millisecond_timer) ( void ); 91 92/* --------------------------------------------------------------------- 93 atfork 94 ------------------------------------------------------------------ */ 95 96typedef void (*vg_atfork_t)(ThreadId); 97extern void VG_(atfork)(vg_atfork_t pre, vg_atfork_t parent, vg_atfork_t child); 98 99 100#endif // __PUB_TOOL_LIBCPROC_H 101 102/*--------------------------------------------------------------------*/ 103/*--- end ---*/ 104/*--------------------------------------------------------------------*/ 105