diff options
Diffstat (limited to 'pthreads/pthread_kill.c')
| -rw-r--r-- | pthreads/pthread_kill.c | 209 |
1 files changed, 105 insertions, 104 deletions
diff --git a/pthreads/pthread_kill.c b/pthreads/pthread_kill.c index 081ec48f5..5473b43cd 100644 --- a/pthreads/pthread_kill.c +++ b/pthreads/pthread_kill.c @@ -1,104 +1,105 @@ -/*
- * pthread_kill.c
- *
- * Description:
- * This translation unit implements the pthread_kill routine.
- *
- * --------------------------------------------------------------------------
- *
- * Pthreads-win32 - POSIX Threads Library for Win32
- * Copyright(C) 1998 John E. Bossom
- * Copyright(C) 1999,2005 Pthreads-win32 contributors
- *
- * Contact Email: rpj@callisto.canberra.edu.au
- *
- * The current list of contributors is contained
- * in the file CONTRIBUTORS included with the source
- * code distribution. The list can also be seen at the
- * following World Wide Web location:
- * http://sources.redhat.com/pthreads-win32/contributors.html
- *
- * This 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 of the License, or (at your option) any later version.
- *
- * This 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 this library in the file COPYING.LIB;
- * if not, write to the Free Software Foundation, Inc.,
- * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
- */
-
-#include "pthread.h"
-#include "implement.h"
-
-/*
- * Not needed yet, but defining it should indicate clashes with build target
- * environment that should be fixed.
- */
-#ifndef WINCE
-# include <signal.h>
-#endif
-
-int
-pthread_kill (pthread_t thread, int sig)
- /*
- * ------------------------------------------------------
- * DOCPUBLIC
- * This function requests that a signal be delivered to the
- * specified thread. If sig is zero, error checking is
- * performed but no signal is actually sent such that this
- * function can be used to check for a valid thread ID.
- *
- * PARAMETERS
- * thread reference to an instances of pthread_t
- * sig signal. Currently only a value of 0 is supported.
- *
- *
- * DESCRIPTION
- * This function requests that a signal be delivered to the
- * specified thread. If sig is zero, error checking is
- * performed but no signal is actually sent such that this
- * function can be used to check for a valid thread ID.
- *
- * RESULTS
- * ESRCH the thread is not a valid thread ID,
- * EINVAL the value of the signal is invalid
- * or unsupported.
- * 0 the signal was successfully sent.
- *
- * ------------------------------------------------------
- */
-{
- int result = 0;
- ptw32_thread_t * tp;
-
- EnterCriticalSection (&ptw32_thread_reuse_lock);
-
- tp = (ptw32_thread_t *) thread.p;
-
- if (NULL == tp
- || thread.x != tp->ptHandle.x
- || NULL == tp->threadH)
- {
- result = ESRCH;
- }
-
- LeaveCriticalSection (&ptw32_thread_reuse_lock);
-
- if (0 == result && 0 != sig)
- {
- /*
- * Currently does not support any signals.
- */
- result = EINVAL;
- }
-
- return result;
-
-} /* pthread_kill */
+/* + * pthread_kill.c + * + * Description: + * This translation unit implements the pthread_kill routine. + * + * -------------------------------------------------------------------------- + * + * Pthreads-win32 - POSIX Threads Library for Win32 + * Copyright(C) 1998 John E. Bossom + * Copyright(C) 1999,2005 Pthreads-win32 contributors + * + * Contact Email: rpj@callisto.canberra.edu.au + * + * The current list of contributors is contained + * in the file CONTRIBUTORS included with the source + * code distribution. The list can also be seen at the + * following World Wide Web location: + * http://sources.redhat.com/pthreads-win32/contributors.html + * + * This 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 of the License, or (at your option) any later version. + * + * This 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 this library in the file COPYING.LIB; + * if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include "pthread.h" +#include "implement.h" + +/* + * Not needed yet, but defining it should indicate clashes with build target + * environment that should be fixed. + */ +#if !defined(WINCE) +# include <signal.h> +#endif + +int +pthread_kill (pthread_t thread, int sig) + /* + * ------------------------------------------------------ + * DOCPUBLIC + * This function requests that a signal be delivered to the + * specified thread. If sig is zero, error checking is + * performed but no signal is actually sent such that this + * function can be used to check for a valid thread ID. + * + * PARAMETERS + * thread reference to an instances of pthread_t + * sig signal. Currently only a value of 0 is supported. + * + * + * DESCRIPTION + * This function requests that a signal be delivered to the + * specified thread. If sig is zero, error checking is + * performed but no signal is actually sent such that this + * function can be used to check for a valid thread ID. + * + * RESULTS + * ESRCH the thread is not a valid thread ID, + * EINVAL the value of the signal is invalid + * or unsupported. + * 0 the signal was successfully sent. + * + * ------------------------------------------------------ + */ +{ + int result = 0; + ptw32_thread_t * tp; + ptw32_mcs_local_node_t node; + + ptw32_mcs_lock_acquire(&ptw32_thread_reuse_lock, &node); + + tp = (ptw32_thread_t *) thread.p; + + if (NULL == tp + || thread.x != tp->ptHandle.x + || NULL == tp->threadH) + { + result = ESRCH; + } + + ptw32_mcs_lock_release(&node); + + if (0 == result && 0 != sig) + { + /* + * Currently does not support any signals. + */ + result = EINVAL; + } + + return result; + +} /* pthread_kill */ |