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authorfgsch <fgsch@openbsd.org>2011-09-13 23:50:17 +0000
committerfgsch <fgsch@openbsd.org>2011-09-13 23:50:17 +0000
commitd13be5d47e4149db2549a9828e244d59dbc43f15 (patch)
tree24654cab1dc6977bb362e8b14917c0d71534ad8b /regress/lib/libpthread/restart/read
parentOn KA43: (diff)
downloadwireguard-openbsd-d13be5d47e4149db2549a9828e244d59dbc43f15.tar.xz
wireguard-openbsd-d13be5d47e4149db2549a9828e244d59dbc43f15.zip
first round of tests to check system calls restarting with pthreads.
guenther@ ok
Diffstat (limited to 'regress/lib/libpthread/restart/read')
-rw-r--r--regress/lib/libpthread/restart/read/Makefile6
-rw-r--r--regress/lib/libpthread/restart/read/read.c59
2 files changed, 65 insertions, 0 deletions
diff --git a/regress/lib/libpthread/restart/read/Makefile b/regress/lib/libpthread/restart/read/Makefile
new file mode 100644
index 00000000000..70b244c9672
--- /dev/null
+++ b/regress/lib/libpthread/restart/read/Makefile
@@ -0,0 +1,6 @@
+# $OpenBSD: Makefile,v 1.1 2011/09/13 23:50:17 fgsch Exp $
+
+PROG = read
+CFLAGS += -I${.CURDIR}/../../include
+
+.include <bsd.regress.mk>
diff --git a/regress/lib/libpthread/restart/read/read.c b/regress/lib/libpthread/restart/read/read.c
new file mode 100644
index 00000000000..581e65c9b71
--- /dev/null
+++ b/regress/lib/libpthread/restart/read/read.c
@@ -0,0 +1,59 @@
+/* $OpenBSD: read.c,v 1.1 2011/09/13 23:50:17 fgsch Exp $ */
+/*
+ * Federico G. Schwindt <fgsch@openbsd.org>, 2011. Public Domain.
+ */
+#include <sys/types.h>
+#include <pthread.h>
+#include <signal.h>
+#include <unistd.h>
+#include "test.h"
+
+volatile sig_atomic_t hits = 0;
+
+void
+handler(int sig)
+{
+ hits++;
+}
+
+void *
+thr_read(void *arg)
+{
+ int fds[2];
+ char buf;
+
+ CHECKe(pipe(fds));
+ ASSERT(read(fds[0], &buf, 1) == -1);
+ return ((caddr_t)NULL + errno);
+}
+
+int
+main(int argc, char **argv)
+{
+ struct sigaction sa;
+ pthread_t tid;
+ void *retval;
+
+ bzero(&sa, sizeof(sa));
+ sa.sa_handler = handler;
+ sa.sa_flags = SA_RESTART;
+ CHECKe(sigaction(SIGUSR1, &sa, NULL));
+ sa.sa_flags = 0;
+ CHECKe(sigaction(SIGUSR2, &sa, NULL));
+
+ CHECKr(pthread_create(&tid, NULL, thr_read, NULL));
+ sleep(2);
+
+ /* Should restart it. */
+ CHECKr(pthread_kill(tid, SIGUSR1));
+ sleep(1);
+
+ /* Should interrupt it. */
+ CHECKr(pthread_kill(tid, SIGUSR2));
+ sleep(1);
+
+ CHECKr(pthread_join(tid, &retval));
+ ASSERT(retval == (void *)EINTR);
+ ASSERT(hits == 2);
+ SUCCEED;
+}