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-rw-r--r--test/signal/tst-signalfd.c63
1 files changed, 63 insertions, 0 deletions
diff --git a/test/signal/tst-signalfd.c b/test/signal/tst-signalfd.c
new file mode 100644
index 000000000..1fbb748aa
--- /dev/null
+++ b/test/signal/tst-signalfd.c
@@ -0,0 +1,63 @@
+/* vi: set sw=4 ts=4 sts=4: */
+/*
+ * signalfd test for uClibc
+ * Copyright (C) 2012 by Kevin Cernekee <cernekee@gmail.com>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <errno.h>
+#include <error.h>
+#include <signal.h>
+#include <sys/signalfd.h>
+#include <sys/fcntl.h>
+
+static int
+do_test(void)
+{
+ int fd, ret, result = 0;
+ struct signalfd_siginfo ssi;
+ sigset_t mask;
+
+ sigemptyset(&mask);
+ sigaddset(&mask, SIGUSR1);
+ sigprocmask(SIG_BLOCK, &mask, NULL);
+
+ fd = signalfd(-1, &mask, SFD_NONBLOCK);
+ if (fd < 0) {
+ printf("signalfd() failed: %s\n", strerror(errno));
+ result = 1;
+ }
+
+ /* this should return immediately with EAGAIN due to SFD_NONBLOCK */
+ memset(&ssi, 0, sizeof(ssi));
+ ret = read(fd, &ssi, sizeof(ssi));
+ if (ret != -1 || errno != EAGAIN) {
+ error(0, 0, "first read() returned %d", ret);
+ result = 1;
+ }
+
+ kill(getpid(), SIGUSR1);
+
+ /* this should return a struct ssi indicating receipt of SIGUSR1 */
+ ret = read(fd, &ssi, sizeof(ssi));
+ if (ret != sizeof(ssi)) {
+ error(0, 0, "second read() returned %d", ret);
+ result = 1;
+ }
+
+ if (ssi.ssi_signo != SIGUSR1) {
+ error(0, 0, "ssi contains bogus signo");
+ result = 1;
+ }
+
+ return result;
+}
+
+#define TIMEOUT 5
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"