- don't wake every sleeper just the first one [1]

- remove debuging printf			[2]

Submitted by:	intron <mag@intron.ac> [1], rdivacky [2]
This commit is contained in:
Alexander Leidinger 2006-09-09 13:04:28 +00:00
parent af8bc757de
commit c19ddeda07

View File

@ -302,9 +302,6 @@ linux_sys_futex(struct thread *td, struct linux_sys_futex_args *args)
ret = futex_wake(f, args->val, NULL);
futex_put(f);
if (op_ret > 0) {
#ifdef DEBUG
printf("second wakeup\n");
#endif
op_ret = 0;
/*
* Linux uses the address of the timespec parameter
@ -421,13 +418,13 @@ futex_wake(struct futex *f, int n, struct futex *newf)
FUTEX_LOCK;
TAILQ_FOREACH(wp, &f->f_waiting_proc, wp_list) {
if (count <= n) {
wakeup(wp);
wakeup_one(wp);
count++;
} else {
if (newf != NULL) {
/* futex_put called after tsleep */
wp->wp_new_futex = futex_get(newf->f_uaddr, FUTEX_LOCKED);
wakeup(wp);
wakeup_one(wp);
}
}
}