cvs version of pthreads

1 files changed, 183 insertions, 180 deletions

diff --git a/pthreads/sched.h b/pthreads/sched.h
index 8db97a901..f36a97a66 100644
--- a/pthreads/sched.h
+++ b/pthreads/sched.h
@@ -1,180 +1,183 @@
-/*

- * Module: sched.h

- *

- * Purpose:

- *      Provides an implementation of POSIX realtime extensions

- *      as defined in 

- *

- *              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

- */

-#ifndef _SCHED_H

-#define _SCHED_H

-

-#undef PTW32_LEVEL

-

-#if defined(_POSIX_SOURCE)

-#define PTW32_LEVEL 0

-/* Early POSIX */

-#endif

-

-#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 199309

-#undef PTW32_LEVEL

-#define PTW32_LEVEL 1

-/* Include 1b, 1c and 1d */

-#endif

-

-#if defined(INCLUDE_NP)

-#undef PTW32_LEVEL

-#define PTW32_LEVEL 2

-/* Include Non-Portable extensions */

-#endif

-

-#define PTW32_LEVEL_MAX 3

-

-#if ( defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112 )  || !defined(PTW32_LEVEL)

-#define PTW32_LEVEL PTW32_LEVEL_MAX

-/* Include everything */

-#endif

-

-

-#if __GNUC__ && ! defined (__declspec)

-# error Please upgrade your GNU compiler to one that supports __declspec.

-#endif

-

-/*

- * When building the library, you should define PTW32_BUILD so that

- * the variables/functions are exported correctly. When using the library,

- * do NOT define PTW32_BUILD, and then the variables/functions will

- * be imported correctly.

- */

-#if !defined(PTW32_STATIC_LIB)

-#  ifdef PTW32_BUILD

-#    define PTW32_DLLPORT __declspec (dllexport)

-#  else

-#    define PTW32_DLLPORT __declspec (dllimport)

-#  endif

-#else

-#  define PTW32_DLLPORT

-#endif

-

-/*

- * This is a duplicate of what is in the autoconf config.h,

- * which is only used when building the pthread-win32 libraries.

- */

-

-#ifndef PTW32_CONFIG_H

-#  if defined(WINCE)

-#    define NEED_ERRNO

-#    define NEED_SEM

-#  endif

-#  if defined(_UWIN) || defined(__MINGW32__)

-#    define HAVE_MODE_T

-#  endif

-#endif

-

-/*

- *

- */

-

-#if PTW32_LEVEL >= PTW32_LEVEL_MAX

-#ifdef NEED_ERRNO

-#include "need_errno.h"

-#else

-#include <errno.h>

-#endif

-#endif /* PTW32_LEVEL >= PTW32_LEVEL_MAX */

-

-#if defined(__MINGW32__) || defined(_UWIN)

-# if PTW32_LEVEL >= PTW32_LEVEL_MAX

-/* For pid_t */

-#  include <sys/types.h>

-/* Required by Unix 98 */

-#  include <time.h>

-# else

-  typedef int pid_t;

-# endif

-#else

-typedef int pid_t;

-#endif

-

-/* Thread scheduling policies */

-

-enum {

-  SCHED_OTHER = 0,

-  SCHED_FIFO,

-  SCHED_RR,

-  SCHED_MIN   = SCHED_OTHER,

-  SCHED_MAX   = SCHED_RR

-};

-

-struct sched_param {

-  int sched_priority;

-};

-

-#ifdef __cplusplus

-extern "C"

-{

-#endif                          /* __cplusplus */

-

-PTW32_DLLPORT int __cdecl sched_yield (void);

-

-PTW32_DLLPORT int __cdecl sched_get_priority_min (int policy);

-

-PTW32_DLLPORT int __cdecl sched_get_priority_max (int policy);

-

-PTW32_DLLPORT int __cdecl sched_setscheduler (pid_t pid, int policy);

-

-PTW32_DLLPORT int __cdecl sched_getscheduler (pid_t pid);

-

-/*

- * Note that this macro returns ENOTSUP rather than

- * ENOSYS as might be expected. However, returning ENOSYS

- * should mean that sched_get_priority_{min,max} are

- * not implemented as well as sched_rr_get_interval.

- * This is not the case, since we just don't support

- * round-robin scheduling. Therefore I have chosen to

- * return the same value as sched_setscheduler when

- * SCHED_RR is passed to it.

- */

-#define sched_rr_get_interval(_pid, _interval) \

-  ( errno = ENOTSUP, (int) -1 )

-

-

-#ifdef __cplusplus

-}                               /* End of extern "C" */

-#endif                          /* __cplusplus */

-

-#undef PTW32_LEVEL

-#undef PTW32_LEVEL_MAX

-

-#endif                          /* !_SCHED_H */

-

+/*
+ * Module: sched.h
+ *
+ * Purpose:
+ *      Provides an implementation of POSIX realtime extensions
+ *      as defined in 
+ *
+ *              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
+ */
+#if !defined(_SCHED_H)
+#define _SCHED_H
+
+#undef PTW32_SCHED_LEVEL
+
+#if defined(_POSIX_SOURCE)
+#define PTW32_SCHED_LEVEL 0
+/* Early POSIX */
+#endif
+
+#if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 199309
+#undef PTW32_SCHED_LEVEL
+#define PTW32_SCHED_LEVEL 1
+/* Include 1b, 1c and 1d */
+#endif
+
+#if defined(INCLUDE_NP)
+#undef PTW32_SCHED_LEVEL
+#define PTW32_SCHED_LEVEL 2
+/* Include Non-Portable extensions */
+#endif
+
+#define PTW32_SCHED_LEVEL_MAX 3
+
+#if ( defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 200112 )  || !defined(PTW32_SCHED_LEVEL)
+#define PTW32_SCHED_LEVEL PTW32_SCHED_LEVEL_MAX
+/* Include everything */
+#endif
+
+
+#if defined(__GNUC__) && !defined(__declspec)
+# error Please upgrade your GNU compiler to one that supports __declspec.
+#endif
+
+/*
+ * When building the library, you should define PTW32_BUILD so that
+ * the variables/functions are exported correctly. When using the library,
+ * do NOT define PTW32_BUILD, and then the variables/functions will
+ * be imported correctly.
+ */
+#if !defined(PTW32_STATIC_LIB)
+#  if defined(PTW32_BUILD)
+#    define PTW32_DLLPORT __declspec (dllexport)
+#  else
+#    define PTW32_DLLPORT __declspec (dllimport)
+#  endif
+#else
+#  define PTW32_DLLPORT
+#endif
+
+/*
+ * This is a duplicate of what is in the autoconf config.h,
+ * which is only used when building the pthread-win32 libraries.
+ */
+
+#if !defined(PTW32_CONFIG_H)
+#  if defined(WINCE)
+#    define NEED_ERRNO
+#    define NEED_SEM
+#  endif
+#  if defined(__MINGW64__)
+#    define HAVE_STRUCT_TIMESPEC
+#    define HAVE_MODE_T
+#  elif defined(_UWIN) || defined(__MINGW32__)
+#    define HAVE_MODE_T
+#  endif
+#endif
+
+/*
+ *
+ */
+
+#if PTW32_SCHED_LEVEL >= PTW32_SCHED_LEVEL_MAX
+#if defined(NEED_ERRNO)
+#include "need_errno.h"
+#else
+#include <errno.h>
+#endif
+#endif /* PTW32_SCHED_LEVEL >= PTW32_SCHED_LEVEL_MAX */
+
+#if (defined(__MINGW64__) || defined(__MINGW32__)) || defined(_UWIN)
+# if PTW32_SCHED_LEVEL >= PTW32_SCHED_LEVEL_MAX
+/* For pid_t */
+#  include <sys/types.h>
+/* Required by Unix 98 */
+#  include <time.h>
+# else
+   typedef int pid_t;
+# endif
+#else
+ typedef int pid_t;
+#endif
+
+/* Thread scheduling policies */
+
+enum {
+  SCHED_OTHER = 0,
+  SCHED_FIFO,
+  SCHED_RR,
+  SCHED_MIN   = SCHED_OTHER,
+  SCHED_MAX   = SCHED_RR
+};
+
+struct sched_param {
+  int sched_priority;
+};
+
+#if defined(__cplusplus)
+extern "C"
+{
+#endif                          /* __cplusplus */
+
+PTW32_DLLPORT int __cdecl sched_yield (void);
+
+PTW32_DLLPORT int __cdecl sched_get_priority_min (int policy);
+
+PTW32_DLLPORT int __cdecl sched_get_priority_max (int policy);
+
+PTW32_DLLPORT int __cdecl sched_setscheduler (pid_t pid, int policy);
+
+PTW32_DLLPORT int __cdecl sched_getscheduler (pid_t pid);
+
+/*
+ * Note that this macro returns ENOTSUP rather than
+ * ENOSYS as might be expected. However, returning ENOSYS
+ * should mean that sched_get_priority_{min,max} are
+ * not implemented as well as sched_rr_get_interval.
+ * This is not the case, since we just don't support
+ * round-robin scheduling. Therefore I have chosen to
+ * return the same value as sched_setscheduler when
+ * SCHED_RR is passed to it.
+ */
+#define sched_rr_get_interval(_pid, _interval) \
+  ( errno = ENOTSUP, (int) -1 )
+
+
+#if defined(__cplusplus)
+}                               /* End of extern "C" */
+#endif                          /* __cplusplus */
+
+#undef PTW32_SCHED_LEVEL
+#undef PTW32_SCHED_LEVEL_MAX
+
+#endif                          /* !_SCHED_H */
+