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-rw-r--r--pthreads/pthread_join.c310
1 files changed, 156 insertions, 154 deletions
diff --git a/pthreads/pthread_join.c b/pthreads/pthread_join.c
index 8237b6cf7..6dd394d1b 100644
--- a/pthreads/pthread_join.c
+++ b/pthreads/pthread_join.c
@@ -1,154 +1,156 @@
-/*
- * pthread_join.c
- *
- * Description:
- * This translation unit implements functions related to thread
- * synchronisation.
- *
- * --------------------------------------------------------------------------
- *
- * 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.
- */
-#include <signal.h>
-
-
-int
-pthread_join (pthread_t thread, void **value_ptr)
- /*
- * ------------------------------------------------------
- * DOCPUBLIC
- * This function waits for 'thread' to terminate and
- * returns the thread's exit value if 'value_ptr' is not
- * NULL. This also detaches the thread on successful
- * completion.
- *
- * PARAMETERS
- * thread
- * an instance of pthread_t
- *
- * value_ptr
- * pointer to an instance of pointer to void
- *
- *
- * DESCRIPTION
- * This function waits for 'thread' to terminate and
- * returns the thread's exit value if 'value_ptr' is not
- * NULL. This also detaches the thread on successful
- * completion.
- * NOTE: detached threads cannot be joined or canceled
- *
- * RESULTS
- * 0 'thread' has completed
- * EINVAL thread is not a joinable thread,
- * ESRCH no thread could be found with ID 'thread',
- * ENOENT thread couldn't find it's own valid handle,
- * EDEADLK attempt to join thread with self
- *
- * ------------------------------------------------------
- */
-{
- int result;
- pthread_t self;
- ptw32_thread_t * tp = (ptw32_thread_t *) thread.p;
-
- EnterCriticalSection (&ptw32_thread_reuse_lock);
-
- if (NULL == tp
- || thread.x != tp->ptHandle.x)
- {
- result = ESRCH;
- }
- else if (PTHREAD_CREATE_DETACHED == tp->detachState)
- {
- result = EINVAL;
- }
- else
- {
- result = 0;
- }
-
- LeaveCriticalSection (&ptw32_thread_reuse_lock);
-
- if (result == 0)
- {
- /*
- * The target thread is joinable and can't be reused before we join it.
- */
- self = pthread_self();
-
- if (NULL == self.p)
- {
- result = ENOENT;
- }
- else if (pthread_equal (self, thread))
- {
- result = EDEADLK;
- }
- else
- {
- /*
- * Pthread_join is a cancelation point.
- * If we are canceled then our target thread must not be
- * detached (destroyed). This is guarranteed because
- * pthreadCancelableWait will not return if we
- * are canceled.
- */
- result = pthreadCancelableWait (tp->threadH);
-
- if (0 == result)
- {
- if (value_ptr != NULL)
- {
- *value_ptr = tp->exitStatus;
- }
-
- /*
- * The result of making multiple simultaneous calls to
- * pthread_join() or pthread_detach() specifying the same
- * target is undefined.
- */
- result = pthread_detach (thread);
- }
- else
- {
- result = ESRCH;
- }
- }
- }
-
- return (result);
-
-} /* pthread_join */
+/*
+ * pthread_join.c
+ *
+ * Description:
+ * This translation unit implements functions related to thread
+ * synchronisation.
+ *
+ * --------------------------------------------------------------------------
+ *
+ * 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_join (pthread_t thread, void **value_ptr)
+ /*
+ * ------------------------------------------------------
+ * DOCPUBLIC
+ * This function waits for 'thread' to terminate and
+ * returns the thread's exit value if 'value_ptr' is not
+ * NULL. This also detaches the thread on successful
+ * completion.
+ *
+ * PARAMETERS
+ * thread
+ * an instance of pthread_t
+ *
+ * value_ptr
+ * pointer to an instance of pointer to void
+ *
+ *
+ * DESCRIPTION
+ * This function waits for 'thread' to terminate and
+ * returns the thread's exit value if 'value_ptr' is not
+ * NULL. This also detaches the thread on successful
+ * completion.
+ * NOTE: detached threads cannot be joined or canceled
+ *
+ * RESULTS
+ * 0 'thread' has completed
+ * EINVAL thread is not a joinable thread,
+ * ESRCH no thread could be found with ID 'thread',
+ * ENOENT thread couldn't find it's own valid handle,
+ * EDEADLK attempt to join thread with self
+ *
+ * ------------------------------------------------------
+ */
+{
+ int result;
+ pthread_t self;
+ ptw32_thread_t * tp = (ptw32_thread_t *) thread.p;
+
+ EnterCriticalSection (&ptw32_thread_reuse_lock);
+
+ if (NULL == tp
+ || thread.x != tp->ptHandle.x)
+ {
+ result = ESRCH;
+ }
+ else if (PTHREAD_CREATE_DETACHED == tp->detachState)
+ {
+ result = EINVAL;
+ }
+ else
+ {
+ result = 0;
+ }
+
+ LeaveCriticalSection (&ptw32_thread_reuse_lock);
+
+ if (result == 0)
+ {
+ /*
+ * The target thread is joinable and can't be reused before we join it.
+ */
+ self = pthread_self();
+
+ if (NULL == self.p)
+ {
+ result = ENOENT;
+ }
+ else if (pthread_equal (self, thread))
+ {
+ result = EDEADLK;
+ }
+ else
+ {
+ /*
+ * Pthread_join is a cancelation point.
+ * If we are canceled then our target thread must not be
+ * detached (destroyed). This is guarranteed because
+ * pthreadCancelableWait will not return if we
+ * are canceled.
+ */
+ result = pthreadCancelableWait (tp->threadH);
+
+ if (0 == result)
+ {
+ if (value_ptr != NULL)
+ {
+ *value_ptr = tp->exitStatus;
+ }
+
+ /*
+ * The result of making multiple simultaneous calls to
+ * pthread_join() or pthread_detach() specifying the same
+ * target is undefined.
+ */
+ result = pthread_detach (thread);
+ }
+ else
+ {
+ result = ESRCH;
+ }
+ }
+ }
+
+ return (result);
+
+} /* pthread_join */
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