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authorRalf Baechle <ralf@linux-mips.org>2000-02-16 01:07:24 +0000
committerRalf Baechle <ralf@linux-mips.org>2000-02-16 01:07:24 +0000
commit95db6b748fc86297827fbd9c9ef174d491c9ad89 (patch)
tree27a92a942821cde1edda9a1b088718d436b3efe4 /include/linux/ipc.h
parent45b27b0a0652331d104c953a5b192d843fff88f8 (diff)
Merge with Linux 2.3.40.
Diffstat (limited to 'include/linux/ipc.h')
-rw-r--r--include/linux/ipc.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/ipc.h b/include/linux/ipc.h
index 0aec0d93c..4366dfad0 100644
--- a/include/linux/ipc.h
+++ b/include/linux/ipc.h
@@ -5,6 +5,7 @@
#define IPC_PRIVATE ((__kernel_key_t) 0)
+/* Obsolete, used only for backwards compatibility and libc5 compiles */
struct ipc_perm
{
__kernel_key_t key;
@@ -16,6 +17,9 @@ struct ipc_perm
unsigned short seq;
};
+/* Include the definition of ipc64_perm */
+#include <asm/ipcbuf.h>
+
/* resource get request flags */
#define IPC_CREAT 00001000 /* create if key is nonexistent */
#define IPC_EXCL 00002000 /* fail if key exists */
@@ -36,10 +40,31 @@ struct ipc_perm
#define IPC_STAT 2 /* get ipc_perm options */
#define IPC_INFO 3 /* see ipcs */
+/*
+ * Version flags for semctl, msgctl, and shmctl commands
+ * These are passed as bitflags or-ed with the actual command
+ */
+#define IPC_OLD 0 /* Old version (no 32-bit UID support on many
+ architectures) */
+#define IPC_64 0x0100 /* New version (support 32-bit UIDs, bigger
+ message sizes, etc. */
+
#ifdef __KERNEL__
#define IPCMNI 32768 /* <= MAX_INT limit for ipc arrays (including sysctl changes) */
+/* used by in-kernel data structures */
+struct kern_ipc_perm
+{
+ key_t key;
+ uid_t uid;
+ gid_t gid;
+ uid_t cuid;
+ gid_t cgid;
+ mode_t mode;
+ unsigned long seq;
+};
+
#endif /* __KERNEL__ */
#endif /* _LINUX_IPC_H */