summaryrefslogtreecommitdiffstats
path: root/include/asm-xtensa/sembuf.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-xtensa/sembuf.h')
-rw-r--r--include/asm-xtensa/sembuf.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/include/asm-xtensa/sembuf.h b/include/asm-xtensa/sembuf.h
new file mode 100644
index 00000000000..2d26c47666f
--- /dev/null
+++ b/include/asm-xtensa/sembuf.h
@@ -0,0 +1,44 @@
+/*
+ * include/asm-xtensa/sembuf.h
+ *
+ * The semid64_ds structure for Xtensa architecture.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2001 - 2005 Tensilica Inc.
+ *
+ * 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
+ *
+ */
+
+#ifndef _XTENSA_SEMBUF_H
+#define _XTENSA_SEMBUF_H
+
+#include <asm/byteorder.h>
+
+struct semid64_ds {
+ struct ipc64_perm sem_perm; /* permissions .. see ipc.h */
+#if XCHAL_HAVE_LE
+ __kernel_time_t sem_otime; /* last semop time */
+ unsigned long __unused1;
+ __kernel_time_t sem_ctime; /* last change time */
+ unsigned long __unused2;
+#else
+ unsigned long __unused1;
+ __kernel_time_t sem_otime; /* last semop time */
+ unsigned long __unused2;
+ __kernel_time_t sem_ctime; /* last change time */
+#endif
+ unsigned long sem_nsems; /* no. of semaphores in array */
+ unsigned long __unused3;
+ unsigned long __unused4;
+};
+
+#endif /* __ASM_XTENSA_SEMBUF_H */