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Diffstat (limited to 'lib/libpthread/thread/thr_kill.c')
| -rw-r--r-- | lib/libpthread/thread/thr_kill.c | 116 |
1 files changed, 0 insertions, 116 deletions
diff --git a/lib/libpthread/thread/thr_kill.c b/lib/libpthread/thread/thr_kill.c deleted file mode 100644 index 7572c05faff7..000000000000 --- a/lib/libpthread/thread/thr_kill.c +++ /dev/null @@ -1,116 +0,0 @@ -/* - * Copyright (c) 1997 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. All advertising materials mentioning features or use of this software - * must display the following acknowledgement: - * This product includes software developed by John Birrell. - * 4. 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 REGENTS 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. - * - */ -#include <errno.h> -#include <signal.h> -#ifdef _THREAD_SAFE -#include <pthread.h> -#include "pthread_private.h" - -int -pthread_kill(pthread_t pthread, int sig) -{ - int ret; - - /* Check for invalid signal numbers: */ - if (sig < 0 || sig >= NSIG) - /* Invalid signal: */ - ret = EINVAL; - - /* Ignored signals get dropped on the floor. */ - else if (_thread_sigact[sig - 1].sa_handler == SIG_IGN) - ret = 0; - - /* Find the thread in the list of active threads: */ - else if ((ret = _find_thread(pthread)) == 0) { - switch (pthread->state) { - case PS_SIGSUSPEND: - /* - * Only wake up the thread if the signal is unblocked - * and there is a handler installed for the signal. - */ - if (!sigismember(&pthread->sigmask, sig) && - _thread_sigact[sig - 1].sa_handler != SIG_DFL) { - /* Change the state of the thread to run: */ - PTHREAD_NEW_STATE(pthread,PS_RUNNING); - - /* Return the signal number: */ - pthread->signo = sig; - } - /* Increment the pending signal count: */ - sigaddset(&pthread->sigpend,sig); - break; - - case PS_SIGWAIT: - /* Wake up the thread if the signal is blocked. */ - if (sigismember(pthread->data.sigwait, sig)) { - /* Change the state of the thread to run: */ - PTHREAD_NEW_STATE(pthread,PS_RUNNING); - - /* Return the signal number: */ - pthread->signo = sig; - } else - /* Increment the pending signal count. */ - sigaddset(&pthread->sigpend,sig); - break; - - case PS_SELECT_WAIT: - case PS_FDR_WAIT: - case PS_FDW_WAIT: - case PS_SLEEP_WAIT: - if (!sigismember(&pthread->sigmask, sig) && - (_thread_sigact[sig - 1].sa_handler != SIG_IGN)) { - /* Flag the operation as interrupted: */ - pthread->interrupted = 1; - - /* Change the state of the thread to run: */ - PTHREAD_NEW_STATE(pthread,PS_RUNNING); - - /* Return the signal number: */ - pthread->signo = sig; - } else { - /* Increment the pending signal count: */ - sigaddset(&pthread->sigpend,sig); - } - break; - - default: - /* Increment the pending signal count: */ - sigaddset(&pthread->sigpend,sig); - break; - } - } - - /* Return the completion status: */ - return (ret); -} -#endif |