include/pub_tool_libcproc.h

   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 /*--------------------------------------------------------------------*/