Linux/Alpha SysV sem definitions.

diff --git a/sysdeps/unix/sysv/linux/alpha/bits/sem.h b/sysdeps/unix/sysv/linux/alpha/bits/sem.h
new file mode 100644 (file)
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+++ b/sysdeps/unix/sysv/linux/alpha/bits/sem.h
@@ -0,0 +1,99 @@
+/* Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _SYS_SEM_H
+# error "Never include <bits/sem.h> directly; use <sys/sem.h> instead."
+#endif
+
+#include <sys/types.h>
+
+/* Flags for `semop'.  */
+#define SEM_UNDO       0x1000          /* undo the operation on exit */
+
+/* Commands for `semctl'.  */
+#define GETPID         11              /* get sempid */
+#define GETVAL         12              /* get semval */
+#define GETALL         13              /* get all semval's */
+#define GETNCNT                14              /* get semncnt */
+#define GETZCNT                15              /* get semzcnt */
+#define SETVAL         16              /* set semval */
+#define SETALL         17              /* set all semval's */
+
+
+/* Data structure describing a set of semaphores.  */
+struct semid_ds
+{
+  struct ipc_perm sem_perm;            /* operation permission struct */
+  __time_t sem_otime;                  /* last semop() time */
+  __time_t sem_ctime;                  /* last time changed by semctl() */
+  unsigned long int sem_nsems;         /* number of semaphores in set */
+  unsigned long int __unused1;
+  unsigned long int __unused2;
+};
+
+#ifdef __LIBC_IPC_INTERNAL
+struct __old_semid_ds
+{
+  struct __old_ipc_perm sem_perm;      /* operation permission struct */
+  __time_t sem_otime;                  /* last semop() time */
+  __time_t sem_ctime;                  /* last time changed by semctl() */
+  struct sem *__sembase;               /* ptr to first semaphore in array */
+  struct sem_queue *__sem_pending;     /* pending operations */
+  struct sem_queue *__sem_pending_last; /* last pending operation */
+  struct sem_undo *__undo;             /* ondo requests on this array */
+  unsigned short int sem_nsems;                /* number of semaphores in set */
+};
+#endif
+
+/* The user should define a union like the following to use it for arguments
+   for `semctl'.
+
+   union semun
+   {
+     int val;                          <= value for SETVAL
+     struct semid_ds *buf;             <= buffer for IPC_STAT & IPC_SET
+     unsigned short int *array;                <= array for GETALL & SETALL
+     struct seminfo *__buf;            <= buffer for IPC_INFO
+   };
+
+   Previous versions of this file used to define this union but this is
+   incorrect.  One can test the macro _SEM_SEMUN_UNDEFINED to see whether
+   one must define the union or not.  */
+#define _SEM_SEMUN_UNDEFINED   1
+
+#ifdef __USE_MISC
+
+/* ipcs ctl cmds */
+# define SEM_STAT 18
+# define SEM_INFO 19
+
+struct  seminfo
+{
+  int semmap;
+  int semmni;
+  int semmns;
+  int semmnu;
+  int semmsl;
+  int semopm;
+  int semume;
+  int semusz;
+  int semvmx;
+  int semaem;
+};
+
+#endif /* __USE_MISC */