summaryrefslogtreecommitdiff
path: root/libc/sysdeps/linux/alpha/bits/sem.h
diff options
context:
space:
mode:
authorManuel Novoa III <mjn3@codepoet.org>2005-07-28 03:30:57 +0000
committerManuel Novoa III <mjn3@codepoet.org>2005-07-28 03:30:57 +0000
commit1317be0e8a98533ab745b41aed0cef6b1a80fe97 (patch)
treef73da788fef55c138fd77d9c318d94e3366b8da0 /libc/sysdeps/linux/alpha/bits/sem.h
parent6487a33c3aded88892f54b3cf92d96062a229999 (diff)
A while back, the sysvipc code was changed to use IPC_64 in the calls.
Unfortunatly, the semid_ds structs were not changed as needed. So import the necessary (tweaked) files from glibc. Only tested on x86 today, but I'll be testing mips tomorrow.
Diffstat (limited to 'libc/sysdeps/linux/alpha/bits/sem.h')
-rw-r--r--libc/sysdeps/linux/alpha/bits/sem.h85
1 files changed, 85 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/alpha/bits/sem.h b/libc/sysdeps/linux/alpha/bits/sem.h
new file mode 100644
index 000000000..794092c3c
--- /dev/null
+++ b/libc/sysdeps/linux/alpha/bits/sem.h
@@ -0,0 +1,85 @@
+/* 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 Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; 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 */
+ __kernel_time_t sem_otime; /* last semop() time */
+ __kernel_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;
+};
+
+/* 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 */