Author: davidxu
Date: Thu May 9 04:41:03 2013
New Revision: 250402
URL: http://svnweb.freebsd.org/changeset/base/250402
Log:
Fix return value for setcontext and swapcontext.
Modified:
head/lib/libthr/thread/thr_sig.c
Modified: head/lib/libthr/thread/thr_sig.c
==============================================================================
--- head/lib/libthr/thread/thr_sig.c Thu May 9 02:23:02 2013
(r250401)
+++ head/lib/libthr/thread/thr_sig.c Thu May 9 04:41:03 2013
(r250402)
@@ -725,8 +725,10 @@ _setcontext(const ucontext_t *ucp)
{
ucontext_t uc;
- if (ucp == NULL)
- return (EINVAL);
+ if (ucp == NULL) {
+ errno = EINVAL;
+ return (-1);
+ }
if (!SIGISMEMBER(uc.uc_sigmask, SIGCANCEL))
return __sys_setcontext(ucp);
(void) memcpy(&uc, ucp, sizeof(uc));
@@ -740,8 +742,10 @@ _swapcontext(ucontext_t *oucp, const uco
{
ucontext_t uc;
- if (oucp == NULL || ucp == NULL)
- return (EINVAL);
+ if (oucp == NULL || ucp == NULL) {
+ errno = EINVAL;
+ return (-1);
+ }
if (SIGISMEMBER(ucp->uc_sigmask, SIGCANCEL)) {
(void) memcpy(&uc, ucp, sizeof(uc));
SIGDELSET(uc.uc_sigmask, SIGCANCEL);
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