diff options
Diffstat (limited to 'kernel/proc.c')
-rw-r--r-- | kernel/proc.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/kernel/proc.c b/kernel/proc.c index b4f8a80..5e37cb7 100644 --- a/kernel/proc.c +++ b/kernel/proc.c @@ -588,7 +588,7 @@ kill(int pid) for(p = proc; p < &proc[NPROC]; p++){ acquire(&p->lock); if(p->pid == pid){ - __atomic_store_n(&p->killed, 1, __ATOMIC_SEQ_CST); + p->killed = 1; if(p->state == SLEEPING){ // Wake process from sleep(). p->state = RUNNABLE; @@ -601,10 +601,23 @@ kill(int pid) return -1; } +void +setkilled(struct proc *p) +{ + acquire(&p->lock); + p->killed = 1; + release(&p->lock); +} + int killed(struct proc *p) { - return __atomic_load_n(&p->killed, __ATOMIC_SEQ_CST); + int k; + + acquire(&p->lock); + k = p->killed; + release(&p->lock); + return k; } // Copy to either a user address, or kernel address, |