From 415ee7d6e47dcb3e0906a7bebc6d52ab8ed899da Mon Sep 17 00:00:00 2001 From: Igor Pashev Date: Tue, 5 Jun 2012 02:09:04 +0400 Subject: Merged changes from kopensolaris-gnu project http://git.csclub.uwaterloo.ca/?p=kopensolaris-gnu/glibc.git Commits from 9157319 to bad8ac8. This is only partial patch, some changes to not apply and will be resovled and committed next. --- .../unix/sysv/solaris2/kopensolaris-gnu/system.c | 81 ++++++++++++++++++++++ 1 file changed, 81 insertions(+) create mode 100644 sysdeps/unix/sysv/solaris2/kopensolaris-gnu/system.c (limited to 'sysdeps/unix/sysv/solaris2/kopensolaris-gnu/system.c') diff --git a/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/system.c b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/system.c new file mode 100644 index 0000000000..13cb35dfba --- /dev/null +++ b/sysdeps/unix/sysv/solaris2/kopensolaris-gnu/system.c @@ -0,0 +1,81 @@ +/* Copyright (C) 2002, 2003, 2005, 2008 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include +#include +#include +#include +#include + +DECLARE_INLINE_SYSCALL (int64_t, lwp_sigmask, int how, unsigned int bits0, + unsigned int bits1); + + +#ifdef _LIBC_REENTRANT +static void cancel_handler (void *arg); + +# define CLEANUP_HANDLER \ + __libc_cleanup_region_start (1, cancel_handler, &pid) + +# define CLEANUP_RESET \ + __libc_cleanup_region_end (0) + +#define FORK() __fork_block_signals (&pid) + +static inline pid_t __fork_block_signals (pid_t *pid) +{ + /* Block all signals. */ + rval_t oldmask; + oldmask.rval64 = INLINE_SYSCALL (lwp_sigmask, 3, SIG_SETMASK, + (unsigned int)-1, (unsigned int)-1); + + *pid = fork (); + + /* Restore signals. */ + (void)INLINE_SYSCALL (lwp_sigmask, 3, SIG_SETMASK, + (unsigned int)oldmask.rval1, (unsigned int)oldmask.rval2); + + return *pid; +} +#endif + +#include + +#ifdef _LIBC_REENTRANT +/* The cancellation handler. */ +static void +cancel_handler (void *arg) +{ + pid_t child = *(pid_t *) arg; + + __kill (child, SIGKILL); + + TEMP_FAILURE_RETRY (__waitpid (child, NULL, 0)); + + DO_LOCK (); + + if (SUB_REF () == 0) + { + (void) __sigaction (SIGQUIT, &quit, (struct sigaction *) NULL); + (void) __sigaction (SIGINT, &intr, (struct sigaction *) NULL); + } + + DO_UNLOCK (); +} +#endif -- cgit v1.2.3