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-rw-r--r--cpukit/posix/src/once.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/cpukit/posix/src/once.c b/cpukit/posix/src/once.c
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index 0000000000..d77c3c12e3
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+++ b/cpukit/posix/src/once.c
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+/**
+ * @file
+ *
+ * @brief POSIX Once Manager Initialization
+ * @ingroup POSIX_ONCE POSIX Once Support
+ */
+
+/*
+ * COPYRIGHT (c) 2013
+ * Chris Johns <chrisj@rtems.org>
+ *
+ * The license and distribution terms for this file may be
+ * found in the file LICENSE in this distribution or at
+ * http://www.rtems.com/license/LICENSE.
+ */
+
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <pthread.h>
+#include <errno.h>
+
+#include <rtems.h>
+#include <rtems/posix/onceimpl.h>
+
+pthread_mutex_t _POSIX_Once_Lock;
+
+void _POSIX_Once_Manager_initialization(void)
+{
+ pthread_mutexattr_t mattr;
+ int r;
+
+ _POSIX_Once_Lock = PTHREAD_MUTEX_INITIALIZER;
+
+ r = pthread_mutexattr_init( &mattr );
+ if ( r != 0 )
+ rtems_fatal( RTEMS_FATAL_SOURCE_ASSERT, 0x80aa0000 | r );
+
+ r = pthread_mutexattr_settype( &mattr, PTHREAD_MUTEX_RECURSIVE );
+ if ( r != 0 )
+ rtems_fatal( RTEMS_FATAL_SOURCE_ASSERT, 0x80aa1000 | r );
+
+ r = pthread_mutex_init( &_POSIX_Once_Lock, &mattr );
+ if ( r != 0 )
+ rtems_fatal( RTEMS_FATAL_SOURCE_ASSERT, 0x80aa2000 | r );
+
+ pthread_mutexattr_destroy( &mattr );
+}