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exit: stop doing PROC_SLOCK just to call proc_reap

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It immediately does PROC_SUNLOCK anyway and the lock plays no role.
This commit is contained in:
Mateusz Guzik 2018-02-17 09:03:11 +00:00
parent 9c0e785c58
commit ad58e5e86c
1 changed files with 0 additions and 3 deletions
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3
sys/kern/kern_exit.c
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@ -817,12 +817,10 @@ proc_reap(struct thread *td, struct proc *p, int *status, int options)
sx_assert(&proctree_lock, SA_XLOCKED);
PROC_LOCK_ASSERT(p, MA_OWNED);
PROC_SLOCK_ASSERT(p, MA_OWNED);
KASSERT(p->p_state == PRS_ZOMBIE, ("proc_reap: !PRS_ZOMBIE"));
q = td->td_proc;
PROC_SUNLOCK(p);
if (status)
*status = KW_EXITCODE(p->p_xexit, p->p_xsig);
if (options & WNOWAIT) {
@ -1090,7 +1088,6 @@ proc_to_reap(struct thread *td, struct proc *p, idtype_t idtype, id_t id,
}
if (p->p_state == PRS_ZOMBIE && !check_only) {
PROC_SLOCK(p);
proc_reap(td, p, status, options);
return (-1);
}