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author | joerg <joerg@FreeBSD.org> | 1995-07-08 16:36:30 +0000 |
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committer | joerg <joerg@FreeBSD.org> | 1995-07-08 16:36:30 +0000 |
commit | e9baa60cfb8479f24f61b6a6098bb39e61e46426 (patch) | |
tree | 63046e5828d24fa9d3b8ed80de20abe30bae9fc6 | |
parent | fd179c3a952dff2a6d1d18fc96ca320ba8585ce8 (diff) | |
download | FreeBSD-src-e9baa60cfb8479f24f61b6a6098bb39e61e46426.zip FreeBSD-src-e9baa60cfb8479f24f61b6a6098bb39e61e46426.tar.gz |
Several constants have been missing in the SysV IPC header files that
are recommended by the literature.
Fixes PR# misc/575: constants in sys/sem.h...
Submitted by: daveho@infocom.com (Dave Hovemeyer)
-rw-r--r-- | sys/sys/sem.h | 13 | ||||
-rw-r--r-- | sys/sys/shm.h | 8 |
2 files changed, 14 insertions, 7 deletions
diff --git a/sys/sys/sem.h b/sys/sys/sem.h index ef08f4e..1efd4c9 100644 --- a/sys/sys/sem.h +++ b/sys/sys/sem.h @@ -1,4 +1,4 @@ -/* $Id: sem.h,v 1.2 1994/09/17 13:24:28 davidg Exp $ */ +/* $Id: sem.h,v 1.3 1995/03/28 07:57:35 bde Exp $ */ /* $NetBSD: sem.h,v 1.5 1994/06/29 06:45:15 cgd Exp $ */ /* @@ -64,6 +64,12 @@ union semun { #define SETVAL 8 /* Set the value of semval to arg.val {ALTER} */ #define SETALL 9 /* Set semvals from arg.array {ALTER} */ +/* + * Permissions + */ +#define SEM_A 0200 /* alter permission */ +#define SEM_R 0400 /* read permission */ + #ifdef KERNEL /* * Kernel implementation stuff @@ -71,11 +77,6 @@ union semun { #define SEMVMX 32767 /* semaphore maximum value */ #define SEMAEM 16384 /* adjust on exit max value */ -/* - * Permissions - */ -#define SEM_A 0200 /* alter permission */ -#define SEM_R 0400 /* read permission */ /* * Undo structure (one per process) diff --git a/sys/sys/shm.h b/sys/sys/shm.h index 710ad44..4053445 100644 --- a/sys/sys/shm.h +++ b/sys/sys/shm.h @@ -1,4 +1,4 @@ -/* $Id: shm.h,v 1.2 1994/09/17 13:24:29 davidg Exp $ */ +/* $Id: shm.h,v 1.3 1994/10/02 17:24:54 phk Exp $ */ /* $NetBSD: shm.h,v 1.15 1994/06/29 06:45:17 cgd Exp $ */ /* @@ -45,6 +45,12 @@ #define SHM_RND 020000 /* Round attach address to SHMLBA */ #define SHMLBA CLBYTES /* Segment low boundry address multiple */ +/* "official" access mode definitions; somewhat braindead since you have + to specify (SHM_* >> 3) for group and (SHM_* >> 6) for world permissions */ +#define SHM_R (IPC_R) +#define SHM_W (IPC_W) + + struct shmid_ds { struct ipc_perm shm_perm; /* operation permission structure */ int shm_segsz; /* size of segment in bytes */ |