diff options
| -rw-r--r-- | ChangeLog | 3 | ||||
| -rw-r--r-- | linuxthreads/ChangeLog | 3 | ||||
| -rw-r--r-- | linuxthreads/pthread.c | 13 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/execve.c | 40 |
4 files changed, 59 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index 7a8715f084..b315369a8f 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,8 @@ 1999-08-19 Ulrich Drepper <drepper@cygnus.com> + * elf/rtld.c (_dl_start): Initialize bootstrap_map.l_info to zero. + [PR libc/1165]. + * configure.in: Search for programs with prefix gnu* and g* first. [PR libc/1104]. diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index 9c70a6f095..6b2e1c856a 100644 --- a/linuxthreads/ChangeLog +++ b/linuxthreads/ChangeLog @@ -1,5 +1,8 @@ 1999-08-19 Ulrich Drepper <drepper@cygnus.com> + * pthread.c (__pthread_reset_main_thread): Reset signal handlers + for the signals we used in the thread implementation. + * Versions: Export __pthread_kill_other_threads_np from libpthread for GLIBC_2.1.2. diff --git a/linuxthreads/pthread.c b/linuxthreads/pthread.c index c94e7e6f31..7cc6b26866 100644 --- a/linuxthreads/pthread.c +++ b/linuxthreads/pthread.c @@ -635,6 +635,7 @@ static void pthread_handle_sigdebug(int sig) void __pthread_reset_main_thread() { pthread_descr self = thread_self(); + struct sigaction sa; if (__pthread_manager_request != -1) { /* Free the thread manager stack */ @@ -645,6 +646,18 @@ void __pthread_reset_main_thread() __libc_close(__pthread_manager_reader); __pthread_manager_request = __pthread_manager_reader = -1; } + + /* Reset the signal handlers behaviour for the signals the + implementation uses since this would be passed to the new + process. */ + sigemptyset(&sa.sa_mask); + sa.sa_flags = 0; + sa.sa_handler = SIG_DFL; + __sigaction(__pthread_sig_restart, &sa, NULL); + __sigaction(__pthread_sig_cancel, &sa, NULL); + if (__pthread_sig_debug > 0) + __sigaction(__pthread_sig_debug, &sa, NULL); + /* Update the pid of the main thread */ THREAD_SETMEM(self, p_pid, __getpid()); /* Make the forked thread the main thread */ diff --git a/sysdeps/unix/sysv/linux/execve.c b/sysdeps/unix/sysv/linux/execve.c new file mode 100644 index 0000000000..36055ef22f --- /dev/null +++ b/sysdeps/unix/sysv/linux/execve.c @@ -0,0 +1,40 @@ +/* Copyright (C) 1999 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <unistd.h> + +#include <sysdep.h> +#include <sys/syscall.h> + +extern void __pthread_kill_other_threads_np __P ((void)); +weak_extern (__pthread_kill_other_threads_np) + + +int +__execve (file, argv, envp) + const char *file; + char *const argv[]; + char *const envp[]; +{ + /* If this is a threaded application kill all other threads. */ + if (__pthread_kill_other_threads_np) + __pthread_kill_other_threads_np (); + + return INLINE_SYSCALL (execve, 3, file, argv, envp); +} |