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Several constants have been missing in the SysV IPC header files that

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are recommended by the literature.

Fixes PR# misc/575: constants in sys/sem.h...

Submitted by:	daveho@infocom.com (Dave Hovemeyer)
This commit is contained in:
Joerg Wunsch 1995-07-08 16:36:30 +00:00
parent 78988ab839
commit aed5ecb7bf
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=9444
2 changed files with 14 additions and 7 deletions
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13
sys/sys/sem.h
View File

@ -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)

8
sys/sys/shm.h
View File

@ -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 */