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Diffstat (limited to 'coregrind/.svn/text-base/pub_core_libcsignal.h.svn-base')
| -rw-r--r-- | coregrind/.svn/text-base/pub_core_libcsignal.h.svn-base | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/coregrind/.svn/text-base/pub_core_libcsignal.h.svn-base b/coregrind/.svn/text-base/pub_core_libcsignal.h.svn-base new file mode 100644 index 0000000..9e8ebe7 --- /dev/null +++ b/coregrind/.svn/text-base/pub_core_libcsignal.h.svn-base @@ -0,0 +1,86 @@ + +/*--------------------------------------------------------------------*/ +/*--- Signal-related libc stuff. pub_core_libcsignal.h ---*/ +/*--------------------------------------------------------------------*/ + +/* + This file is part of Valgrind, a dynamic binary instrumentation + framework. + + Copyright (C) 2000-2009 Julian Seward + jseward@acm.org + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307, USA. + + The GNU General Public License is contained in the file COPYING. +*/ + +#ifndef __PUB_CORE_LIBCSIGNAL_H +#define __PUB_CORE_LIBCSIGNAL_H + +//-------------------------------------------------------------------- +// PURPOSE: This module contains all the libc code related to signals. +//-------------------------------------------------------------------- + +#include "pub_tool_libcsignal.h" + +/* Note that these use the vki_ (kernel) structure + definitions, which are different in places from those that glibc + defines. Since we're operating right at the kernel interface, glibc's view + of the world is entirely irrelevant. */ + +/* --- Signal set ops --- */ +extern Int VG_(sigfillset) ( vki_sigset_t* set ); +extern Int VG_(sigemptyset) ( vki_sigset_t* set ); + +extern Bool VG_(isfullsigset) ( const vki_sigset_t* set ); +extern Bool VG_(isemptysigset) ( const vki_sigset_t* set ); +extern Bool VG_(iseqsigset) ( const vki_sigset_t* set1, + const vki_sigset_t* set2 ); + +extern Int VG_(sigaddset) ( vki_sigset_t* set, Int signum ); +extern Int VG_(sigdelset) ( vki_sigset_t* set, Int signum ); +extern Int VG_(sigismember) ( const vki_sigset_t* set, Int signum ); + +extern void VG_(sigaddset_from_set) ( vki_sigset_t* dst, vki_sigset_t* src ); +extern void VG_(sigdelset_from_set) ( vki_sigset_t* dst, vki_sigset_t* src ); + +/* --- Mess with the kernel's sig state --- */ +/* VG_(sigprocmask) is in pub_tool_libcsignal.h. */ + +extern Int VG_(sigaction) ( Int signum, + const struct vki_sigaction* act, + struct vki_sigaction* oldact ); + +extern Int VG_(kill) ( Int pid, Int signo ); +extern Int VG_(tkill) ( ThreadId tid, Int signo ); + +/* A cut-down version of POSIX sigtimedwait: poll for pending signals + mentioned in the sigset_t, and if any are present, select one + arbitrarily, return its number (which must be > 0), and put + auxiliary info about it in the siginfo_t, and make it + not-pending-any-more. If none are pending, return zero. The _zero + refers to the fact that there is zero timeout, so if no signals are + pending it returns immediately. Perhaps a better name would be + 'sigpoll'. Returns -1 on error, 0 if no signals pending, and n > 0 + if signal n was selected. */ +extern Int VG_(sigtimedwait_zero)( const vki_sigset_t *, vki_siginfo_t * ); + +#endif // __PUB_CORE_LIBCSIGNAL_H + +/*--------------------------------------------------------------------*/ +/*--- end ---*/ +/*--------------------------------------------------------------------*/ |