int
sys_thr_exit(struct thread *td, struct thr_exit_args *uap)
/* long *state */
{
/* Signal userland that it can free the stack. */
if ((void *)uap->state != NULL) {
suword_lwpid(uap->state, 1);
kern_umtx_wake(td, uap->state, INT_MAX, 0);
}
return (kern_thr_exit(td));
}
int
sys_thr_exit(struct thread *td, struct thr_exit_args *uap)
/* long *state */
{
#ifdef THRWORKQ
if (td->td_reuse_stack != NULL) {
thrworkq_reusestack(td->td_proc, td->td_reuse_stack);
td->td_reuse_stack = NULL;
}
#endif
if ((void *)uap->state != NULL) {
/* Signal userland that it can free the stack. */
suword_lwpid(uap->state, 1);
kern_umtx_wake(td, uap->state, INT_MAX, 0);
}
return (kern_thr_exit(td));
}
int
sys_thr_exit(struct thread *td, struct thr_exit_args *uap)
/* long *state */
{
struct proc *p;
p = td->td_proc;
/* Signal userland that it can free the stack. */
if ((void *)uap->state != NULL) {
suword_lwpid(uap->state, 1);
kern_umtx_wake(td, uap->state, INT_MAX, 0);
}
rw_wlock(&tidhash_lock);
PROC_LOCK(p);
if (p->p_numthreads != 1) {
racct_sub(p, RACCT_NTHR, 1);
LIST_REMOVE(td, td_hash);
rw_wunlock(&tidhash_lock);
tdsigcleanup(td);
PROC_SLOCK(p);
thread_stopped(p);
thread_exit();
/* NOTREACHED */
}
/*
* Ignore attempts to shut down last thread in the proc. This
* will actually call _exit(2) in the usermode trampoline when
* it returns.
*/
PROC_UNLOCK(p);
rw_wunlock(&tidhash_lock);
return (0);
}
