UAPI: (Scripted) Disintegrate include/linux
Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Acked-by: Dave Jones <davej@redhat.com>
diff --git a/include/uapi/linux/shm.h b/include/uapi/linux/shm.h
new file mode 100644
index 0000000..ec36fa1
--- /dev/null
+++ b/include/uapi/linux/shm.h
@@ -0,0 +1,79 @@
+#ifndef _UAPI_LINUX_SHM_H_
+#define _UAPI_LINUX_SHM_H_
+
+#include <linux/ipc.h>
+#include <linux/errno.h>
+#ifndef __KERNEL__
+#include <unistd.h>
+#endif
+
+/*
+ * SHMMAX, SHMMNI and SHMALL are upper limits are defaults which can
+ * be increased by sysctl
+ */
+
+#define SHMMAX 0x2000000 /* max shared seg size (bytes) */
+#define SHMMIN 1 /* min shared seg size (bytes) */
+#define SHMMNI 4096 /* max num of segs system wide */
+#ifndef __KERNEL__
+#define SHMALL (SHMMAX/getpagesize()*(SHMMNI/16))
+#endif
+#define SHMSEG SHMMNI /* max shared segs per process */
+
+
+/* Obsolete, used only for backwards compatibility and libc5 compiles */
+struct shmid_ds {
+ struct ipc_perm shm_perm; /* operation perms */
+ int shm_segsz; /* size of segment (bytes) */
+ __kernel_time_t shm_atime; /* last attach time */
+ __kernel_time_t shm_dtime; /* last detach time */
+ __kernel_time_t shm_ctime; /* last change time */
+ __kernel_ipc_pid_t shm_cpid; /* pid of creator */
+ __kernel_ipc_pid_t shm_lpid; /* pid of last operator */
+ unsigned short shm_nattch; /* no. of current attaches */
+ unsigned short shm_unused; /* compatibility */
+ void *shm_unused2; /* ditto - used by DIPC */
+ void *shm_unused3; /* unused */
+};
+
+/* Include the definition of shmid64_ds and shminfo64 */
+#include <asm/shmbuf.h>
+
+/* permission flag for shmget */
+#define SHM_R 0400 /* or S_IRUGO from <linux/stat.h> */
+#define SHM_W 0200 /* or S_IWUGO from <linux/stat.h> */
+
+/* mode for attach */
+#define SHM_RDONLY 010000 /* read-only access */
+#define SHM_RND 020000 /* round attach address to SHMLBA boundary */
+#define SHM_REMAP 040000 /* take-over region on attach */
+#define SHM_EXEC 0100000 /* execution access */
+
+/* super user shmctl commands */
+#define SHM_LOCK 11
+#define SHM_UNLOCK 12
+
+/* ipcs ctl commands */
+#define SHM_STAT 13
+#define SHM_INFO 14
+
+/* Obsolete, used only for backwards compatibility */
+struct shminfo {
+ int shmmax;
+ int shmmin;
+ int shmmni;
+ int shmseg;
+ int shmall;
+};
+
+struct shm_info {
+ int used_ids;
+ unsigned long shm_tot; /* total allocated shm */
+ unsigned long shm_rss; /* total resident shm */
+ unsigned long shm_swp; /* total swapped shm */
+ unsigned long swap_attempts;
+ unsigned long swap_successes;
+};
+
+
+#endif /* _UAPI_LINUX_SHM_H_ */