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-rw-r--r--pthreads/pthread_setspecific.c335
1 files changed, 167 insertions, 168 deletions
diff --git a/pthreads/pthread_setspecific.c b/pthreads/pthread_setspecific.c
index 23aa81b5f..0f29e704a 100644
--- a/pthreads/pthread_setspecific.c
+++ b/pthreads/pthread_setspecific.c
@@ -1,168 +1,167 @@
-/*
- * pthread_setspecific.c
- *
- * Description:
- * POSIX thread functions which implement thread-specific data (TSD).
- *
- * --------------------------------------------------------------------------
- *
- * 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"
-
-
-int
-pthread_setspecific (pthread_key_t key, const void *value)
- /*
- * ------------------------------------------------------
- * DOCPUBLIC
- * This function sets the value of the thread specific
- * key in the calling thread.
- *
- * PARAMETERS
- * key
- * an instance of pthread_key_t
- * value
- * the value to set key to
- *
- *
- * DESCRIPTION
- * This function sets the value of the thread specific
- * key in the calling thread.
- *
- * RESULTS
- * 0 successfully set value
- * EAGAIN could not set value
- * ENOENT SERIOUS!!
- *
- * ------------------------------------------------------
- */
-{
- pthread_t self;
- int result = 0;
-
- if (key != ptw32_selfThreadKey)
- {
- /*
- * Using pthread_self will implicitly create
- * an instance of pthread_t for the current
- * thread if one wasn't explicitly created
- */
- self = pthread_self ();
- if (self.p == NULL)
- {
- return ENOENT;
- }
- }
- else
- {
- /*
- * Resolve catch-22 of registering thread with selfThread
- * key
- */
- ptw32_thread_t * sp = (ptw32_thread_t *) pthread_getspecific (ptw32_selfThreadKey);
-
- if (sp == NULL)
- {
- if (value == NULL)
- {
- return ENOENT;
- }
- self = *((pthread_t *) value);
- }
- else
- {
- self = sp->ptHandle;
- }
- }
-
- result = 0;
-
- if (key != NULL)
- {
- if (self.p != NULL && key->destructor != NULL && value != NULL)
- {
- /*
- * Only require associations if we have to
- * call user destroy routine.
- * Don't need to locate an existing association
- * when setting data to NULL for WIN32 since the
- * data is stored with the operating system; not
- * on the association; setting assoc to NULL short
- * circuits the search.
- */
- ThreadKeyAssoc *assoc;
-
- if (pthread_mutex_lock(&(key->keyLock)) == 0)
- {
- ptw32_thread_t * sp = (ptw32_thread_t *) self.p;
-
- (void) pthread_mutex_lock(&(sp->threadLock));
-
- assoc = (ThreadKeyAssoc *) sp->keys;
- /*
- * Locate existing association
- */
- while (assoc != NULL)
- {
- if (assoc->key == key)
- {
- /*
- * Association already exists
- */
- break;
- }
- assoc = assoc->nextKey;
- }
-
- /*
- * create an association if not found
- */
- if (assoc == NULL)
- {
- result = ptw32_tkAssocCreate (sp, key);
- }
-
- (void) pthread_mutex_unlock(&(sp->threadLock));
- }
- (void) pthread_mutex_unlock(&(key->keyLock));
- }
-
- if (result == 0)
- {
- if (!TlsSetValue (key->key, (LPVOID) value))
- {
- result = EAGAIN;
- }
- }
- }
-
- return (result);
-} /* pthread_setspecific */
+/*
+ * pthread_setspecific.c
+ *
+ * Description:
+ * POSIX thread functions which implement thread-specific data (TSD).
+ *
+ * --------------------------------------------------------------------------
+ *
+ * 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"
+
+
+int
+pthread_setspecific (pthread_key_t key, const void *value)
+ /*
+ * ------------------------------------------------------
+ * DOCPUBLIC
+ * This function sets the value of the thread specific
+ * key in the calling thread.
+ *
+ * PARAMETERS
+ * key
+ * an instance of pthread_key_t
+ * value
+ * the value to set key to
+ *
+ *
+ * DESCRIPTION
+ * This function sets the value of the thread specific
+ * key in the calling thread.
+ *
+ * RESULTS
+ * 0 successfully set value
+ * EAGAIN could not set value
+ * ENOENT SERIOUS!!
+ *
+ * ------------------------------------------------------
+ */
+{
+ pthread_t self;
+ int result = 0;
+
+ if (key != ptw32_selfThreadKey)
+ {
+ /*
+ * Using pthread_self will implicitly create
+ * an instance of pthread_t for the current
+ * thread if one wasn't explicitly created
+ */
+ self = pthread_self ();
+ if (self.p == NULL)
+ {
+ return ENOENT;
+ }
+ }
+ else
+ {
+ /*
+ * Resolve catch-22 of registering thread with selfThread
+ * key
+ */
+ ptw32_thread_t * sp = (ptw32_thread_t *) pthread_getspecific (ptw32_selfThreadKey);
+
+ if (sp == NULL)
+ {
+ if (value == NULL)
+ {
+ return ENOENT;
+ }
+ self = *((pthread_t *) value);
+ }
+ else
+ {
+ self = sp->ptHandle;
+ }
+ }
+
+ result = 0;
+
+ if (key != NULL)
+ {
+ if (self.p != NULL && key->destructor != NULL && value != NULL)
+ {
+ ptw32_mcs_local_node_t keyLock;
+ ptw32_mcs_local_node_t threadLock;
+ ptw32_thread_t * sp = (ptw32_thread_t *) self.p;
+ /*
+ * Only require associations if we have to
+ * call user destroy routine.
+ * Don't need to locate an existing association
+ * when setting data to NULL for WIN32 since the
+ * data is stored with the operating system; not
+ * on the association; setting assoc to NULL short
+ * circuits the search.
+ */
+ ThreadKeyAssoc *assoc;
+
+ ptw32_mcs_lock_acquire(&(key->keyLock), &keyLock);
+ ptw32_mcs_lock_acquire(&(sp->threadLock), &threadLock);
+
+ assoc = (ThreadKeyAssoc *) sp->keys;
+ /*
+ * Locate existing association
+ */
+ while (assoc != NULL)
+ {
+ if (assoc->key == key)
+ {
+ /*
+ * Association already exists
+ */
+ break;
+ }
+ assoc = assoc->nextKey;
+ }
+
+ /*
+ * create an association if not found
+ */
+ if (assoc == NULL)
+ {
+ result = ptw32_tkAssocCreate (sp, key);
+ }
+
+ ptw32_mcs_lock_release(&threadLock);
+ ptw32_mcs_lock_release(&keyLock);
+ }
+
+ if (result == 0)
+ {
+ if (!TlsSetValue (key->key, (LPVOID) value))
+ {
+ result = EAGAIN;
+ }
+ }
+ }
+
+ return (result);
+} /* pthread_setspecific */
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