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Now SIGCHLD is always queued.

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This commit is contained in:
David Xu 2005-12-09 02:27:55 +00:00
parent 761a4d9423
commit 5c4745177f
1 changed files with 4 additions and 14 deletions
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18
sys/kern/kern_thread.c
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@ -78,12 +78,6 @@ TAILQ_HEAD(, ksegrp) zombie_ksegrps = TAILQ_HEAD_INITIALIZER(zombie_ksegrps);
struct mtx kse_zombie_lock;
MTX_SYSINIT(kse_zombie_lock, &kse_zombie_lock, "kse zombie lock", MTX_SPIN);
static int queue_sigchild = 0;
SYSCTL_DECL(_kern_sigqueue);
SYSCTL_INT(_kern_sigqueue, OID_AUTO, queue_sigchild, CTLFLAG_RD,
&queue_sigchild, 0, "queue SIGCHILD");
TUNABLE_INT("kern.sigqueue.queue_sigchild", &queue_sigchild);
static int
sysctl_kse_virtual_cpu(SYSCTL_HANDLER_ARGS)
{
@ -284,15 +278,11 @@ proc_linkup(struct proc *p, struct ksegrp *kg, struct thread *td)
TAILQ_INIT(&p->p_threads); /* all threads in proc */
TAILQ_INIT(&p->p_suspended); /* Threads suspended */
sigqueue_init(&p->p_sigqueue, p);
if (queue_sigchild) {
p->p_ksi = ksiginfo_alloc(1);
if (p->p_ksi != NULL) {
/* p_ksi may be null if ksiginfo zone is not ready */
p->p_ksi->ksi_flags = KSI_EXT | KSI_INS;
}
p->p_ksi = ksiginfo_alloc(1);
if (p->p_ksi != NULL) {
/* XXX p_ksi may be null if ksiginfo zone is not ready */
p->p_ksi->ksi_flags = KSI_EXT | KSI_INS;
}
else
p->p_ksi = NULL;
LIST_INIT(&p->p_mqnotifier);
p->p_numksegrps = 0;
p->p_numthreads = 0;