| 20,11 → 20,11 |
|---|
| |
| /** |
| ------------ |
| CVS : $Id: sem.c,v 1.4 2003-11-05 15:04:15 giacomo Exp $ |
| CVS : $Id: sem.c,v 1.5 2003-11-06 09:42:23 giacomo Exp $ |
| |
| File: $File$ |
| Revision: $Revision: 1.4 $ |
| Last update: $Date: 2003-11-05 15:04:15 $ |
| Revision: $Revision: 1.5 $ |
| Last update: $Date: 2003-11-06 09:42:23 $ |
| ------------ |
| |
| This file contains the Hartik 3.3.1 Semaphore functions |
| 435,10 → 435,6 |
|---|
| int sem_xwait(sem_t *s, int n, int wait) |
| { |
| struct sem_des *s1; /* It speeds up access */ |
| SYS_FLAGS f; |
| |
| f = kern_fsave(); |
| kern_frestore(f); |
| |
| if (*s < 0 || *s >= SEM_NSEMS_MAX || !sem_table[*s].used) { |
| errno = EINVAL; |
| 447,7 → 443,7 |
|---|
| |
| /* We do not need to save context if we are sure we shall not block! */ |
| if (wait == NON_BLOCK) |
| f = kern_fsave(); |
| kern_cli(); |
| else |
| proc_table[exec_shadow].context = kern_context_save(); |
| |
| 461,13 → 457,13 |
|---|
| |
| if (s1->blocked.first != NIL || s1->count < n) { |
| errno = EAGAIN; |
| kern_frestore(f); |
| kern_sti(); |
| return -1; |
| } |
| else |
| s1->count -= n; |
| |
| kern_frestore(f); |
| kern_sti(); |
| return 0; |
| } |
| /* The blocking wait is more complex... */ |