sysv_sem.c (088f73968c17d27568752b7ecc23e14551297d9a) sysv_sem.c (4590fd3a2a5539b8a1ce2ad488707123c8b7c8c8)
1/* $Id: sysv_sem.c,v 1.7 1995/08/28 09:18:47 julian Exp $ */
1/* $Id: sysv_sem.c,v 1.8 1995/08/30 00:33:01 bde Exp $ */
2
3/*
4 * Implementation of SVID semaphores
5 *
6 * Author: Daniel Boulet
7 *
8 * This software is provided ``AS IS'' without any warranties of any kind.
9 */
10
11#include <sys/param.h>
12#include <sys/systm.h>
13#include <sys/kernel.h>
14#include <sys/proc.h>
15#include <sys/sem.h>
16#include <sys/malloc.h>
17
2
3/*
4 * Implementation of SVID semaphores
5 *
6 * Author: Daniel Boulet
7 *
8 * This software is provided ``AS IS'' without any warranties of any kind.
9 */
10
11#include <sys/param.h>
12#include <sys/systm.h>
13#include <sys/kernel.h>
14#include <sys/proc.h>
15#include <sys/sem.h>
16#include <sys/malloc.h>
17
18static void seminit __P((caddr_t));
18static void seminit __P((void *));
19SYSINIT(sysv_sem, SI_SUB_SYSV_SEM, SI_ORDER_FIRST, seminit, NULL)
20
21static int semctl(), semget(), semop(), semconfig();
22int (*semcalls[])() = { semctl, semget, semop, semconfig };
23int semtot = 0;
24struct semid_ds *sema; /* semaphore id pool */
25struct sem *sem; /* semaphore pool */
26struct map *semmap; /* semaphore allocation map */
27struct sem_undo *semu_list; /* list of active undo structures */
28int *semu; /* undo structure pool */
29
30static struct proc *semlock_holder = NULL;
31
32void
33seminit(udata)
19SYSINIT(sysv_sem, SI_SUB_SYSV_SEM, SI_ORDER_FIRST, seminit, NULL)
20
21static int semctl(), semget(), semop(), semconfig();
22int (*semcalls[])() = { semctl, semget, semop, semconfig };
23int semtot = 0;
24struct semid_ds *sema; /* semaphore id pool */
25struct sem *sem; /* semaphore pool */
26struct map *semmap; /* semaphore allocation map */
27struct sem_undo *semu_list; /* list of active undo structures */
28int *semu; /* undo structure pool */
29
30static struct proc *semlock_holder = NULL;
31
32void
33seminit(udata)
34 caddr_t udata;
34 void *udata;
35{
36 register int i;
37
38 if (sema == NULL)
39 panic("sema is NULL");
40 if (semu == NULL)
41 panic("semu is NULL");
42

--- 907 unchanged lines hidden --- 		35{
36 register int i;
37
38 if (sema == NULL)
39 panic("sema is NULL");
40 if (semu == NULL)
41 panic("semu is NULL");
42

--- 907 unchanged lines hidden ---