Author: ngie
Date: Wed Jan 4 08:35:46 2017
New Revision: 311269
URL: https://svnweb.freebsd.org/changeset/base/311269
Log:
swapcontext1: test for getcontext(3) and swapcontext(3) success properly
The beforementioned libcalls both succeed if the return codes aren't -1
MFC after: 3 days
Reported by: Coverity
CID: 976790, 976791
Modified:
head/contrib/netbsd-tests/lib/libpthread/t_swapcontext.c
Modified: head/contrib/netbsd-tests/lib/libpthread/t_swapcontext.c
==============================================================================
--- head/contrib/netbsd-tests/lib/libpthread/t_swapcontext.c Wed Jan 4
08:25:31 2017 (r311268)
+++ head/contrib/netbsd-tests/lib/libpthread/t_swapcontext.c Wed Jan 4
08:35:46 2017 (r311269)
@@ -30,6 +30,8 @@ __RCSID("$NetBSD");
#ifdef __FreeBSD__
#include <sys/types.h>
+#include <errno.h>
+#include <string.h>
#endif
#include <pthread.h>
#include <ucontext.h>
@@ -80,7 +82,12 @@ threadfunc(void *arg)
oself = (void *)pthread_self();
printf("before swapcontext self = %p\n", oself);
+#ifdef __FreeBSD__
+ ATF_REQUIRE_MSG(swapcontext(&octx, &nctx) != -1, "swapcontext failed:
%s",
+ strerror(errno));
+#else
PTHREAD_REQUIRE(swapcontext(&octx, &nctx));
+#endif
/* NOTREACHED */
return NULL;
@@ -111,7 +118,12 @@ ATF_TC_BODY(swapcontext1, tc)
printf("Testing if swapcontext() alters pthread_self()\n");
+#ifdef __FreeBSD__
+ ATF_REQUIRE_MSG(getcontext(&nctx) != -1, "getcontext failed: %s",
+ strerror(errno));
+#else
PTHREAD_REQUIRE(getcontext(&nctx));
+#endif
PTHREAD_REQUIRE(pthread_create(&thread, NULL, threadfunc, NULL));
PTHREAD_REQUIRE(pthread_join(thread, NULL));
}
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