mirror of
git://sourceware.org/git/valgrind.git
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3392155359
- Update COPYING and VEX/LICENSE.GPL to version 3. - Update README, NEWS, docs/manual license and contributing text. - Update file headers to say either version 3 of the License, or (at your option) any later version. - Leave tests and perf file headers as is, unless the code is derived from Valgrind/VEX. - Leave valgrind.h, cachegrind.h, callgrind.h, drd.h, helgrind.h, memcheck.h and dhat.h Hybrid-BSD licensed.
137 lines
5.3 KiB
C
137 lines
5.3 KiB
C
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/*--------------------------------------------------------------------*/
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/*--- Process-related libc stuff pub_tool_libcproc.h ---*/
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/*--------------------------------------------------------------------*/
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/*
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This file is part of Valgrind, a dynamic binary instrumentation
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framework.
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Copyright (C) 2000-2017 Julian Seward
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jseward@acm.org
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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The GNU General Public License is contained in the file COPYING.
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*/
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#ifndef __PUB_TOOL_LIBCPROC_H
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#define __PUB_TOOL_LIBCPROC_H
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#include "pub_tool_basics.h" // VG_ macro
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#include "pub_tool_vki.h" // vki_rlimit
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/* ---------------------------------------------------------------------
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Command-line and environment stuff
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------------------------------------------------------------------ */
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/* Client environment. */
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extern HChar** VG_(client_envp);
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/* Looks up VG_(client_envp) */
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extern HChar* VG_(getenv) ( const HChar* name );
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/* Path to all our library/aux files */
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extern const HChar *VG_(libdir);
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// The name of the LD_PRELOAD-equivalent variable. It varies across
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// platforms.
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extern const HChar* VG_(LD_PRELOAD_var_name);
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/* Resolves filename of VG_(cl_exec_fd) and copies it to the buffer.
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Buffer must not be NULL and buf_size must be at least 1.
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If buffer is not large enough it is terminated with '\0' only
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when 'terminate_with_NUL == True'. */
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extern void VG_(client_fname)(HChar *buffer, SizeT buf_size,
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Bool terminate_with_NUL);
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/* Concatenates client exename and command line arguments into
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the buffer. Buffer must not be NULL and buf_size must be
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at least 1. Buffer is always terminated with '\0'. */
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extern void VG_(client_cmd_and_args)(HChar *buffer, SizeT buf_size);
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/* ---------------------------------------------------------------------
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Important syscalls
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------------------------------------------------------------------ */
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extern Int VG_(waitpid)( Int pid, Int *status, Int options );
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extern Int VG_(system) ( const HChar* cmd );
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extern Int VG_(spawn) ( const HChar *filename, const HChar **argv );
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extern Int VG_(fork) ( void);
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extern void VG_(execv) ( const HChar* filename, const HChar** argv );
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extern Int VG_(sysctl) ( Int *name, UInt namelen, void *oldp, SizeT *oldlenp, const void *newp, SizeT newlen );
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/* ---------------------------------------------------------------------
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Resource limits and capabilities
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------------------------------------------------------------------ */
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extern Int VG_(getrlimit) ( Int resource, struct vki_rlimit *rlim );
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extern Int VG_(setrlimit) ( Int resource, const struct vki_rlimit *rlim );
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extern Int VG_(prctl) (Int option,
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ULong arg2, ULong arg3, ULong arg4, ULong arg5);
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/* ---------------------------------------------------------------------
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pids, etc
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------------------------------------------------------------------ */
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extern Int VG_(gettid) ( void );
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extern Int VG_(getpid) ( void );
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extern Int VG_(getppid) ( void );
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extern Int VG_(getpgrp) ( void );
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extern Int VG_(geteuid) ( void );
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extern Int VG_(getegid) ( void );
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/* ---------------------------------------------------------------------
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Timing
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------------------------------------------------------------------ */
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// Returns the number of milliseconds passed since the program started
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// (roughly; it gets initialised partway through Valgrind's initialisation
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// steps). This is wallclock time.
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extern UInt VG_(read_millisecond_timer) ( void );
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extern Int VG_(gettimeofday)(struct vki_timeval *tv, struct vki_timezone *tz);
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# if defined(VGO_linux) || defined(VGO_solaris) || defined(VGO_freebsd)
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/* Get the clock value as specified by clk_id. Asserts if unsuccessful. */
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extern void VG_(clock_gettime)(struct vki_timespec *ts, vki_clockid_t clk_id);
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# elif defined(VGO_darwin)
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/* It seems clock_gettime is only available on recent Darwin versions.
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For the moment, let's assume it is not available. */
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# else
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# error "Unknown OS"
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# endif
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// Returns the number of milliseconds of user cpu time we have used,
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// as reported by 'getrusage'.
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extern UInt VG_(get_user_milliseconds)(void);
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/* ---------------------------------------------------------------------
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atfork
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------------------------------------------------------------------ */
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typedef void (*vg_atfork_t)(ThreadId);
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extern void VG_(atfork)(vg_atfork_t pre, vg_atfork_t parent, vg_atfork_t child);
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#if defined(VGO_freebsd)
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extern Int VG_(getosreldate)(void);
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#endif
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#endif // __PUB_TOOL_LIBCPROC_H
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/*--------------------------------------------------------------------*/
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/*--- end ---*/
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/*--------------------------------------------------------------------*/
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