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authorJames Morris <jmorris@namei.org>2008-08-28 10:47:34 +1000
committerJames Morris <jmorris@namei.org>2008-08-28 10:47:34 +1000
commit86d688984deefa3ae5a802880c11f2b408b5d6cf (patch)
tree7ea5e8189b0a774626d3ed7c3c87df2495a4c4a0 /arch/s390/include/asm/sembuf.h
parent93c06cbbf9fea5d5be1778febb7fa9ab1a74e5f5 (diff)
parent4c246edd2550304df5b766cc841584b2bb058843 (diff)
Merge branch 'master' into next
Diffstat (limited to 'arch/s390/include/asm/sembuf.h')
-rw-r--r--arch/s390/include/asm/sembuf.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/s390/include/asm/sembuf.h b/arch/s390/include/asm/sembuf.h
new file mode 100644
index 00000000000..32626b0cac4
--- /dev/null
+++ b/arch/s390/include/asm/sembuf.h
@@ -0,0 +1,29 @@
+#ifndef _S390_SEMBUF_H
+#define _S390_SEMBUF_H
+
+/*
+ * The semid64_ds structure for S/390 architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space is left for:
+ * - 64-bit time_t to solve y2038 problem (for !__s390x__)
+ * - 2 miscellaneous 32-bit values
+ */
+
+struct semid64_ds {
+ struct ipc64_perm sem_perm; /* permissions .. see ipc.h */
+ __kernel_time_t sem_otime; /* last semop time */
+#ifndef __s390x__
+ unsigned long __unused1;
+#endif /* ! __s390x__ */
+ __kernel_time_t sem_ctime; /* last change time */
+#ifndef __s390x__
+ unsigned long __unused2;
+#endif /* ! __s390x__ */
+ unsigned long sem_nsems; /* no. of semaphores in array */
+ unsigned long __unused3;
+ unsigned long __unused4;
+};
+
+#endif /* _S390_SEMBUF_H */