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authormarha <marha@users.sourceforge.net>2011-07-18 10:33:05 +0200
committermarha <marha@users.sourceforge.net>2011-07-18 10:33:05 +0200
commit88101146f2ec7d53ffb793e365f05097ffd35fd3 (patch)
treedb77eef572a00c62c8d9485c4786f682e20a2fd0 /pthreads/pthread_kill.c
parent772373ccc8da2b2019555228f4972cc0c5a885a4 (diff)
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cvs version of pthreads
Diffstat (limited to 'pthreads/pthread_kill.c')
-rw-r--r--pthreads/pthread_kill.c209
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 */