Author: davidxu
Date: Fri Oct 29 07:04:45 2010
New Revision: 214500
URL: http://svn.freebsd.org/changeset/base/214500
Log:
Remove local variable 'first', instead check signal number in memory,
because the variable can be in register, second checking the variable
may still return true, however this is unexpected.
Modified:
head/lib/libthr/thread/thr_sig.c
Modified: head/lib/libthr/thread/thr_sig.c
==============================================================================
--- head/lib/libthr/thread/thr_sig.c Fri Oct 29 02:12:36 2010
(r214499)
+++ head/lib/libthr/thread/thr_sig.c Fri Oct 29 07:04:45 2010
(r214500)
@@ -317,14 +317,11 @@ check_deferred_signal(struct pthread *cu
ucontext_t uc;
struct sigaction act;
siginfo_t info;
- volatile int first;
if (__predict_true(curthread->deferred_siginfo.si_signo == 0))
return;
- first = 1;
getcontext(&uc);
- if (first) {
- first = 0;
+ if (curthread->deferred_siginfo.si_signo == 0) {
act = curthread->deferred_sigact;
uc.uc_sigmask = curthread->deferred_sigmask;
memcpy(&info, &curthread->deferred_siginfo, sizeof(siginfo_t));
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