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Diffstat (limited to 'libc/sysdeps/linux/common/bits/shm.h')
-rw-r--r--libc/sysdeps/linux/common/bits/shm.h73
1 files changed, 34 insertions, 39 deletions
diff --git a/libc/sysdeps/linux/common/bits/shm.h b/libc/sysdeps/linux/common/bits/shm.h
index 18246c3bd..c7e415726 100644
--- a/libc/sysdeps/linux/common/bits/shm.h
+++ b/libc/sysdeps/linux/common/bits/shm.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1995, 1996, 1997, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 2000, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@@ -35,27 +35,28 @@
#define SHM_LOCK 11 /* lock segment (root only) */
#define SHM_UNLOCK 12 /* unlock segment (root only) */
+/* Segment low boundary address multiple. */
+#define SHMLBA (__getpagesize ())
+extern int __getpagesize (void) __THROW __attribute__ ((__const__));
+
/* Type to count number of attaches. */
-typedef unsigned long int shmatt_t;
+typedef unsigned short shmatt_t;
/* Data structure describing a set of semaphores. */
-struct shmid_ds
- {
- struct ipc_perm shm_perm; /* operation permission struct */
- size_t shm_segsz; /* size of segment in bytes */
- __time_t shm_atime; /* time of last shmat() */
- unsigned long int __unused1;
- __time_t shm_dtime; /* time of last shmdt() */
- unsigned long int __unused2;
- __time_t shm_ctime; /* time of last change by shmctl() */
- unsigned long int __unused3;
- __pid_t shm_cpid; /* pid of creator */
- __pid_t shm_lpid; /* pid of last shmop */
- shmatt_t shm_nattch; /* number of current attaches */
- unsigned long int __unused4;
- unsigned long int __unused5;
- };
+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 */
+};
#ifdef __USE_MISC
@@ -67,27 +68,21 @@ struct shmid_ds
# define SHM_DEST 01000 /* segment will be destroyed on last detach */
# define SHM_LOCKED 02000 /* segment will not be swapped */
-struct shminfo
- {
- unsigned long int shmmax;
- unsigned long int shmmin;
- unsigned long int shmmni;
- unsigned long int shmseg;
- unsigned long int shmall;
- unsigned long int __unused1;
- unsigned long int __unused2;
- unsigned long int __unused3;
- unsigned long int __unused4;
- };
-
-struct shm_info
- {
+struct shminfo {
+ int shmmax;
+ int shmmin;
+ int shmmni;
+ int shmseg;
+ int shmall;
+};
+
+struct shm_info {
int used_ids;
- unsigned long int shm_tot; /* total allocated shm */
- unsigned long int shm_rss; /* total resident shm */
- unsigned long int shm_swp; /* total swapped shm */
- unsigned long int swap_attempts;
- unsigned long int swap_successes;
- };
+ 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 /* __USE_MISC */