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authorIngo Molnar <mingo@elte.hu>2008-08-11 13:27:47 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-11 13:27:47 +0200
commitc4c0c56a7a85ed5725786219e4fbca7e840b1531 (patch)
treec9d6b35a571fd5e80ddf5bf4a60142480eaa18d8 /arch/s390/include/asm/sembuf.h
parent5127bed588a2f8f3a1f732de2a8a190b7df5dce3 (diff)
parent796aadeb1b2db9b5d463946766c5bbfd7717158c (diff)
Merge branch 'linus' into core/rcu
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 000000000000..32626b0cac4b
--- /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 */