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Obtain proc lock around modification of p_siglist in linux_wait4().

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This commit is contained in:
Tim J. Robbins 2003-02-14 08:59:49 +00:00
parent c2604cb567
commit fb30aed1a5
1 changed files with 2 additions and 0 deletions
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2
sys/compat/linux/linux_misc.c
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@ -832,7 +832,9 @@ linux_wait4(struct thread *td, struct linux_wait4_args *args)
if ((error = wait4(td, &tmp)) != 0)
return error;
PROC_LOCK(td->td_proc);
SIGDELSET(td->td_proc->p_siglist, SIGCHLD);
PROC_UNLOCK(td->td_proc);
if (args->status) {
if ((error = copyin((caddr_t)args->status, &tmpstat,