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. */ 42 extern HChar** VG_(client_envp); 43 44 /* Looks up VG_(client_envp) */ 45 extern HChar* VG_(getenv) ( const HChar* name ); 46 47 /* Path to all our library/aux files */ 48 extern const HChar *VG_(libdir); 49 50 // The name of the LD_PRELOAD-equivalent variable. It varies across 51 // platforms. 52 extern const HChar* VG_(LD_PRELOAD_var_name); 53 54 /* --------------------------------------------------------------------- 55 Important syscalls 56 ------------------------------------------------------------------ */ 57 58 extern Int VG_(waitpid)( Int pid, Int *status, Int options ); 59 extern Int VG_(system) ( const HChar* cmd ); 60 extern Int VG_(fork) ( void); 61 extern void VG_(execv) ( const HChar* filename, HChar** argv ); 62 63 /* --------------------------------------------------------------------- 64 Resource limits and capabilities 65 ------------------------------------------------------------------ */ 66 67 extern Int VG_(getrlimit) ( Int resource, struct vki_rlimit *rlim ); 68 extern Int VG_(setrlimit) ( Int resource, const struct vki_rlimit *rlim ); 69 extern Int VG_(prctl) (Int option, 70 ULong arg2, ULong arg3, ULong arg4, ULong arg5); 71 72 /* --------------------------------------------------------------------- 73 pids, etc 74 ------------------------------------------------------------------ */ 75 76 extern Int VG_(gettid) ( void ); 77 extern Int VG_(getpid) ( void ); 78 extern Int VG_(getppid) ( void ); 79 extern Int VG_(getpgrp) ( void ); 80 extern Int VG_(geteuid) ( void ); 81 extern 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). 90 extern UInt VG_(read_millisecond_timer) ( void ); 91 92 /* --------------------------------------------------------------------- 93 atfork 94 ------------------------------------------------------------------ */ 95 96 typedef void (*vg_atfork_t)(ThreadId); 97 extern 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