''

1 files changed, 146 insertions, 146 deletions

diff --git a/sem_destroy.c b/sem_destroy.c
index c260d41..96734d1 100644
--- a/sem_destroy.c
+++ b/sem_destroy.c
@@ -1,146 +1,146 @@
-/*

- * -------------------------------------------------------------

- *

- * Module: sem_destroy.c

- *

- * Purpose:

- *	Semaphores aren't actually part of the PThreads standard.

- *	They are defined by the POSIX Standard:

- *

- *		POSIX 1003.1b-1993	(POSIX.1b)

- *

- * -------------------------------------------------------------

- *

- * --------------------------------------------------------------------------

- *

- *      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 "semaphore.h"

-#include "implement.h"

-

-

-int

-sem_destroy (sem_t * sem)

-     /*

-      * ------------------------------------------------------

-      * DOCPUBLIC

-      *      This function destroys an unnamed semaphore.

-      *

-      * PARAMETERS

-      *      sem

-      *              pointer to an instance of sem_t

-      *

-      * DESCRIPTION

-      *      This function destroys an unnamed semaphore.

-      *

-      * RESULTS

-      *              0               successfully destroyed semaphore,

-      *              -1              failed, error in errno

-      * ERRNO

-      *              EINVAL          'sem' is not a valid semaphore,

-      *              ENOSYS          semaphores are not supported,

-      *              EBUSY           threads (or processes) are currently

-      *                                      blocked on 'sem'

-      *

-      * ------------------------------------------------------

-      */

-{

-  int result = 0;

-  sem_t s = NULL;

-

-  if (sem == NULL || *sem == NULL)

-    {

-      result = EINVAL;

-    }

-  else

-    {

-      s = *sem;

-      *sem = NULL;

-

-      if ((result = pthread_mutex_trylock (&s->lock)) == 0)

-        {

-          if (s->value >= 0)

-            {

-              (void) pthread_mutex_unlock (&s->lock);

-

-              if (!CloseHandle (s->sem))

-	        {

-	          *sem = s;

-	          result = EINVAL;

-	        }

-              else if ((result = pthread_mutex_destroy (&s->lock)) != 0)

-                {

-

-#ifdef NEED_SEM

-		  s->sem = CreateEvent (NULL,

-					PTW32_FALSE,    /* manual reset is false */

-					PTW32_FALSE,    /* initial state is unset */

-					NULL);

-#else

-                  s->sem = CreateSemaphore (NULL,      /* Always NULL */

-                                            (long) 0,  /* Force threads to wait */

-                                            (long) _POSIX_SEM_VALUE_MAX,       /* Maximum value */

-                                            NULL);     /* Name */

-#endif

-

-                  if (s->sem == 0)

-                    {

-                      /* We just have to pretend that we've destroyed the semaphore

-                       * even though we're leaving a mutex around.

-                       */

-                      result = 0;

-                    }

-                  else

-                    {

-                      *sem = s;

-                      if (result != EBUSY)

-                        result = EINVAL;

-                    }

-                }

-            }

-          else

-            {

-              (void) pthread_mutex_unlock (&s->lock);

-              result = EBUSY;

-            }

-        }

-    }

-

-  if (result != 0)

-    {

-      errno = result;

-      return -1;

-    }

-

-  free (s);

-

-  return 0;

-

-}				/* sem_destroy */

+/*
+ * -------------------------------------------------------------
+ *
+ * Module: sem_destroy.c
+ *
+ * Purpose:
+ *	Semaphores aren't actually part of the PThreads standard.
+ *	They are defined by the POSIX Standard:
+ *
+ *		POSIX 1003.1b-1993	(POSIX.1b)
+ *
+ * -------------------------------------------------------------
+ *
+ * --------------------------------------------------------------------------
+ *
+ *      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 "semaphore.h"
+#include "implement.h"
+
+
+int
+sem_destroy (sem_t * sem)
+     /*
+      * ------------------------------------------------------
+      * DOCPUBLIC
+      *      This function destroys an unnamed semaphore.
+      *
+      * PARAMETERS
+      *      sem
+      *              pointer to an instance of sem_t
+      *
+      * DESCRIPTION
+      *      This function destroys an unnamed semaphore.
+      *
+      * RESULTS
+      *              0               successfully destroyed semaphore,
+      *              -1              failed, error in errno
+      * ERRNO
+      *              EINVAL          'sem' is not a valid semaphore,
+      *              ENOSYS          semaphores are not supported,
+      *              EBUSY           threads (or processes) are currently
+      *                                      blocked on 'sem'
+      *
+      * ------------------------------------------------------
+      */
+{
+  int result = 0;
+  sem_t s = NULL;
+
+  if (sem == NULL || *sem == NULL)
+    {
+      result = EINVAL;
+    }
+  else
+    {
+      s = *sem;
+      *sem = NULL;
+
+      if ((result = pthread_mutex_trylock (&s->lock)) == 0)
+        {
+          if (s->value >= 0)
+            {
+              (void) pthread_mutex_unlock (&s->lock);
+
+              if (!CloseHandle (s->sem))
+	        {
+	          *sem = s;
+	          result = EINVAL;
+	        }
+              else if ((result = pthread_mutex_destroy (&s->lock)) != 0)
+                {
+
+#ifdef NEED_SEM
+		  s->sem = CreateEvent (NULL,
+					PTW32_FALSE,    /* manual reset is false */
+					PTW32_FALSE,    /* initial state is unset */
+					NULL);
+#else
+                  s->sem = CreateSemaphore (NULL,      /* Always NULL */
+                                            (long) 0,  /* Force threads to wait */
+                                            (long) _POSIX_SEM_VALUE_MAX,       /* Maximum value */
+                                            NULL);     /* Name */
+#endif
+
+                  if (s->sem == 0)
+                    {
+                      /* We just have to pretend that we've destroyed the semaphore
+                       * even though we're leaving a mutex around.
+                       */
+                      result = 0;
+                    }
+                  else
+                    {
+                      *sem = s;
+                      if (result != EBUSY)
+                        result = EINVAL;
+                    }
+                }
+            }
+          else
+            {
+              (void) pthread_mutex_unlock (&s->lock);
+              result = EBUSY;
+            }
+        }
+    }
+
+  if (result != 0)
+    {
+      errno = result;
+      return -1;
+    }
+
+  free (s);
+
+  return 0;
+
+}				/* sem_destroy */