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authorIngo Molnar <mingo@elte.hu>2008-08-11 08:59:21 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-11 08:59:21 +0200
commitcf206bffbb7542df54043fad9898113172af99d8 (patch)
treec7e7ca9a93443b888f98a0c07e74751a1aa3c947 /arch/arm/include/asm/sembuf.h
parentc1955a3d4762e7a9bf84035eb3c4886a900f0d15 (diff)
parent796aadeb1b2db9b5d463946766c5bbfd7717158c (diff)
Merge branch 'linus' into sched/clock
Diffstat (limited to 'arch/arm/include/asm/sembuf.h')
-rw-r--r--arch/arm/include/asm/sembuf.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/arch/arm/include/asm/sembuf.h b/arch/arm/include/asm/sembuf.h
new file mode 100644
index 00000000000..1c028395428
--- /dev/null
+++ b/arch/arm/include/asm/sembuf.h
@@ -0,0 +1,25 @@
+#ifndef _ASMARM_SEMBUF_H
+#define _ASMARM_SEMBUF_H
+
+/*
+ * The semid64_ds structure for arm 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
+ * - 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 */
+ unsigned long __unused1;
+ __kernel_time_t sem_ctime; /* last change time */
+ unsigned long __unused2;
+ unsigned long sem_nsems; /* no. of semaphores in array */
+ unsigned long __unused3;
+ unsigned long __unused4;
+};
+
+#endif /* _ASMARM_SEMBUF_H */