cvs update pthreads

1 files changed, 94 insertions, 94 deletions

diff --git a/pthreads/errno.c b/pthreads/errno.c
index 9998bb8d5..2f8a317f0 100644
--- a/pthreads/errno.c
+++ b/pthreads/errno.c
@@ -1,94 +1,94 @@
-/*
- * errno.c
- *
- * Description:
- * This translation unit implements routines associated with spawning a new
- * thread.
- *
- * --------------------------------------------------------------------------
- *
- *      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
- */
-
-#if defined(NEED_ERRNO)
-
-#include "pthread.h"
-#include "implement.h"
-
-static int reallyBad = ENOMEM;
-
-/*
- * Re-entrant errno.
- *
- * Each thread has it's own errno variable in pthread_t.
- *
- * The benefit of using the pthread_t structure
- * instead of another TSD key is TSD keys are limited
- * on Win32 to 64 per process. Secondly, to implement
- * it properly without using pthread_t you'd need
- * to dynamically allocate an int on starting the thread
- * and store it manually into TLS and then ensure that you free
- * it on thread termination. We get all that for free
- * by simply storing the errno on the pthread_t structure.
- *
- * MSVC and Mingw32 already have their own thread-safe errno.
- *
- * #if defined( _REENTRANT ) || defined( _MT )
- * #define errno *_errno()
- *
- * int *_errno( void );
- * #else
- * extern int errno;
- * #endif
- *
- */
-
-int *
-_errno (void)
-{
-  pthread_t self;
-  int *result;
-
-  if ((self = pthread_self ()) == NULL)
-    {
-      /*
-       * Yikes! unable to allocate a thread!
-       * Throw an exception? return an error?
-       */
-      result = &reallyBad;
-    }
-  else
-    {
-      result = &(self->ptErrno);
-    }
-
-  return (result);
-
-}				/* _errno */
-
-#endif /* (NEED_ERRNO) */
+/*

+ * errno.c

+ *

+ * Description:

+ * This translation unit implements routines associated with spawning a new

+ * thread.

+ *

+ * --------------------------------------------------------------------------

+ *

+ *      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

+ */

+

+#if defined(NEED_ERRNO)

+

+#include "pthread.h"

+#include "implement.h"

+

+static int reallyBad = ENOMEM;

+

+/*

+ * Re-entrant errno.

+ *

+ * Each thread has it's own errno variable in pthread_t.

+ *

+ * The benefit of using the pthread_t structure

+ * instead of another TSD key is TSD keys are limited

+ * on Win32 to 64 per process. Secondly, to implement

+ * it properly without using pthread_t you'd need

+ * to dynamically allocate an int on starting the thread

+ * and store it manually into TLS and then ensure that you free

+ * it on thread termination. We get all that for free

+ * by simply storing the errno on the pthread_t structure.

+ *

+ * MSVC and Mingw32 already have their own thread-safe errno.

+ *

+ * #if defined( _REENTRANT ) || defined( _MT )

+ * #define errno *_errno()

+ *

+ * int *_errno( void );

+ * #else

+ * extern int errno;

+ * #endif

+ *

+ */

+

+int *

+_errno (void)

+{

+  pthread_t self;

+  int *result;

+

+  if ((self = pthread_self ()).p == NULL)

+    {

+      /*

+       * Yikes! unable to allocate a thread!

+       * Throw an exception? return an error?

+       */

+      result = &reallyBad;

+    }

+  else

+    {

+      result = (int *)(&self.p->exitStatus);

+    }

+

+  return (result);

+

+}				/* _errno */

+

+#endif /* (NEED_ERRNO) */