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author | brooks <brooks@FreeBSD.org> | 2014-04-16 17:12:59 +0000 |
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committer | brooks <brooks@FreeBSD.org> | 2014-04-16 17:12:59 +0000 |
commit | 4739008eab936a65fa9aa322e84ab5ef634aa7c9 (patch) | |
tree | 0fba503434bcbb3c64146bbbc5b2f26cac10b695 /lib/libkse/thread/thr_sigaction.c | |
parent | 21fced0602b6c31af9b8616ea987313fbbd81b36 (diff) | |
download | FreeBSD-src-4739008eab936a65fa9aa322e84ab5ef634aa7c9.zip FreeBSD-src-4739008eab936a65fa9aa322e84ab5ef634aa7c9.tar.gz |
Remove the libkse directory. It was unhooked from the build and kernel
support removed in 2008 (prior to 8.0).
Approved by: deischen, imp
MFC after: 3 days
Diffstat (limited to 'lib/libkse/thread/thr_sigaction.c')
-rw-r--r-- | lib/libkse/thread/thr_sigaction.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/lib/libkse/thread/thr_sigaction.c b/lib/libkse/thread/thr_sigaction.c deleted file mode 100644 index dda1c35..0000000 --- a/lib/libkse/thread/thr_sigaction.c +++ /dev/null @@ -1,126 +0,0 @@ -/* - * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au> - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the author nor the names of any co-contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * $FreeBSD$ - */ - -#include "namespace.h" -#include <signal.h> -#include <errno.h> -#include <pthread.h> -#include "un-namespace.h" -#include "thr_private.h" - -__weak_reference(_sigaction, sigaction); - -int -_sigaction(int sig, const struct sigaction * act, struct sigaction * oact) -{ - int ret = 0; - int err = 0; - struct sigaction newact, oldact; - struct pthread *curthread; - kse_critical_t crit; - - /* Check if the signal number is out of range: */ - if (sig < 1 || sig > _SIG_MAXSIG) { - /* Return an invalid argument: */ - errno = EINVAL; - ret = -1; - } else { - if (act) - newact = *act; - - crit = _kse_critical_enter(); - curthread = _get_curthread(); - KSE_LOCK_ACQUIRE(curthread->kse, &_thread_signal_lock); - - oldact = _thread_sigact[sig - 1]; - - /* Check if a signal action was supplied: */ - if (act != NULL) { - /* Set the new signal handler: */ - _thread_sigact[sig - 1] = newact; - } - - /* - * Check if the kernel needs to be advised of a change - * in signal action: - */ - if (act != NULL) { - - newact.sa_flags |= SA_SIGINFO; - - /* - * Check if the signal handler is being set to - * the default or ignore handlers: - */ - if (newact.sa_handler != SIG_DFL && - newact.sa_handler != SIG_IGN) { - /* - * Specify the thread kernel signal - * handler: - */ - newact.sa_sigaction = _thr_sig_handler; - } - /* - * Install libpthread signal handler wrapper - * for SIGINFO signal if threads dump enabled - * even if a user set the signal handler to - * SIG_DFL or SIG_IGN. - */ - if (sig == SIGINFO && _thr_dump_enabled()) { - newact.sa_sigaction = _thr_sig_handler; - } - /* Change the signal action in the kernel: */ - if (__sys_sigaction(sig, &newact, NULL) != 0) { - _thread_sigact[sig - 1] = oldact; - /* errno is in kse, will copy it to thread */ - err = errno; - ret = -1; - } - } - KSE_LOCK_RELEASE(curthread->kse, &_thread_signal_lock); - _kse_critical_leave(crit); - /* - * Check if the existing signal action structure contents are - * to be returned: - */ - if (oact != NULL) { - /* Return the existing signal action contents: */ - *oact = oldact; - } - if (ret != 0) { - /* Return errno to thread */ - errno = err; - } - } - - /* Return the completion status: */ - return (ret); -} |