Adding upstream version 252.22.upstream/252.22

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 175 insertions, 0 deletions

diff --git a/src/test/test-signal-util.c b/src/test/test-signal-util.c
new file mode 100644
index 0000000..335066a
--- /dev/null
+++ b/src/test/test-signal-util.c
@@ -0,0 +1,175 @@
+/* SPDX-License-Identifier: LGPL-2.1-or-later */
+
+#include <unistd.h>
+
+#include "log.h"
+#include "macro.h"
+#include "signal-util.h"
+#include "stdio-util.h"
+#include "string-util.h"
+#include "tests.h"
+#include "process-util.h"
+
+#define info(sig) log_info(#sig " = " STRINGIFY(sig) " = %d", sig)
+
+TEST(rt_signals) {
+        info(SIGRTMIN);
+        info(SIGRTMAX);
+
+        /* We use signals SIGRTMIN+0 to SIGRTMIN+24 unconditionally */
+        assert_se(SIGRTMAX - SIGRTMIN >= 24);
+}
+
+static void test_signal_to_string_one(int val) {
+        const char *p;
+
+        assert_se(p = signal_to_string(val));
+
+        assert_se(signal_from_string(p) == val);
+
+        p = strjoina("SIG", p);
+        assert_se(signal_from_string(p) == val);
+}
+
+static void test_signal_from_string_one(const char *s, int val) {
+        const char *p;
+
+        assert_se(signal_from_string(s) == val);
+
+        p = strjoina("SIG", s);
+        assert_se(signal_from_string(p) == val);
+}
+
+static void test_signal_from_string_number(const char *s, int val) {
+        const char *p;
+
+        assert_se(signal_from_string(s) == val);
+
+        p = strjoina("SIG", s);
+        assert_se(signal_from_string(p) == -EINVAL);
+}
+
+TEST(signal_from_string) {
+        char buf[STRLEN("RTMIN+") + DECIMAL_STR_MAX(int) + 1];
+
+        test_signal_to_string_one(SIGHUP);
+        test_signal_to_string_one(SIGTERM);
+        test_signal_to_string_one(SIGRTMIN);
+        test_signal_to_string_one(SIGRTMIN+3);
+        test_signal_to_string_one(SIGRTMAX-4);
+
+        test_signal_from_string_one("RTMIN", SIGRTMIN);
+        test_signal_from_string_one("RTMAX", SIGRTMAX);
+
+        xsprintf(buf, "RTMIN+%d", SIGRTMAX-SIGRTMIN);
+        test_signal_from_string_one(buf, SIGRTMAX);
+
+        xsprintf(buf, "RTMIN+%d", INT_MAX);
+        test_signal_from_string_one(buf, -ERANGE);
+
+        xsprintf(buf, "RTMAX-%d", SIGRTMAX-SIGRTMIN);
+        test_signal_from_string_one(buf, SIGRTMIN);
+
+        xsprintf(buf, "RTMAX-%d", INT_MAX);
+        test_signal_from_string_one(buf, -ERANGE);
+
+        test_signal_from_string_one("", -EINVAL);
+        test_signal_from_string_one("hup", -EINVAL);
+        test_signal_from_string_one("HOGEHOGE", -EINVAL);
+
+        test_signal_from_string_one("RTMIN-5", -EINVAL);
+        test_signal_from_string_one("RTMIN-    5", -EINVAL);
+        test_signal_from_string_one("RTMIN    -5", -EINVAL);
+        test_signal_from_string_one("RTMIN+    5", -EINVAL);
+        test_signal_from_string_one("RTMIN    +5", -EINVAL);
+        test_signal_from_string_one("RTMIN+100", -ERANGE);
+        test_signal_from_string_one("RTMIN+-3", -EINVAL);
+        test_signal_from_string_one("RTMIN++3", -EINVAL);
+        test_signal_from_string_one("RTMIN+HUP", -EINVAL);
+        test_signal_from_string_one("RTMIN3", -EINVAL);
+
+        test_signal_from_string_one("RTMAX+5", -EINVAL);
+        test_signal_from_string_one("RTMAX+    5", -EINVAL);
+        test_signal_from_string_one("RTMAX    +5", -EINVAL);
+        test_signal_from_string_one("RTMAX-    5", -EINVAL);
+        test_signal_from_string_one("RTMAX    -5", -EINVAL);
+        test_signal_from_string_one("RTMAX-100", -ERANGE);
+        test_signal_from_string_one("RTMAX-+3", -EINVAL);
+        test_signal_from_string_one("RTMAX--3", -EINVAL);
+        test_signal_from_string_one("RTMAX-HUP", -EINVAL);
+
+        test_signal_from_string_number("3", 3);
+        test_signal_from_string_number("+5", 5);
+        test_signal_from_string_number("  +5", 5);
+        test_signal_from_string_number("10000", -ERANGE);
+        test_signal_from_string_number("-2", -ERANGE);
+}
+
+TEST(block_signals) {
+        assert_se(signal_is_blocked(SIGUSR1) == 0);
+        assert_se(signal_is_blocked(SIGALRM) == 0);
+        assert_se(signal_is_blocked(SIGVTALRM) == 0);
+
+        {
+                BLOCK_SIGNALS(SIGUSR1, SIGVTALRM);
+
+                assert_se(signal_is_blocked(SIGUSR1) > 0);
+                assert_se(signal_is_blocked(SIGALRM) == 0);
+                assert_se(signal_is_blocked(SIGVTALRM) > 0);
+        }
+
+        assert_se(signal_is_blocked(SIGUSR1) == 0);
+        assert_se(signal_is_blocked(SIGALRM) == 0);
+        assert_se(signal_is_blocked(SIGVTALRM) == 0);
+}
+
+TEST(ignore_signals) {
+        assert_se(ignore_signals(SIGINT) >= 0);
+        assert_se(kill(getpid_cached(), SIGINT) >= 0);
+        assert_se(ignore_signals(SIGUSR1, SIGUSR2, SIGTERM, SIGPIPE) >= 0);
+        assert_se(kill(getpid_cached(), SIGUSR1) >= 0);
+        assert_se(kill(getpid_cached(), SIGUSR2) >= 0);
+        assert_se(kill(getpid_cached(), SIGTERM) >= 0);
+        assert_se(kill(getpid_cached(), SIGPIPE) >= 0);
+        assert_se(default_signals(SIGINT, SIGUSR1, SIGUSR2, SIGTERM, SIGPIPE) >= 0);
+}
+
+TEST(pop_pending_signal) {
+
+        assert_se(signal_is_blocked(SIGUSR1) == 0);
+        assert_se(signal_is_blocked(SIGUSR2) == 0);
+        assert_se(pop_pending_signal(SIGUSR1) == 0);
+        assert_se(pop_pending_signal(SIGUSR2) == 0);
+
+        {
+                BLOCK_SIGNALS(SIGUSR1, SIGUSR2);
+
+                assert_se(signal_is_blocked(SIGUSR1) > 0);
+                assert_se(signal_is_blocked(SIGUSR2) > 0);
+
+                assert_se(pop_pending_signal(SIGUSR1) == 0);
+                assert_se(pop_pending_signal(SIGUSR2) == 0);
+
+                assert_se(raise(SIGUSR1) >= 0);
+
+                assert_se(pop_pending_signal(SIGUSR2) == 0);
+                assert_se(pop_pending_signal(SIGUSR1) == SIGUSR1);
+                assert_se(pop_pending_signal(SIGUSR1) == 0);
+
+                assert_se(raise(SIGUSR1) >= 0);
+                assert_se(raise(SIGUSR2) >= 0);
+
+                assert_cc(SIGUSR1 < SIGUSR2);
+
+                assert_se(pop_pending_signal(SIGUSR1, SIGUSR2) == SIGUSR1);
+                assert_se(pop_pending_signal(SIGUSR1, SIGUSR2) == SIGUSR2);
+                assert_se(pop_pending_signal(SIGUSR1, SIGUSR2) == 0);
+        }
+
+        assert_se(signal_is_blocked(SIGUSR1) == 0);
+        assert_se(signal_is_blocked(SIGUSR2) == 0);
+        assert_se(pop_pending_signal(SIGUSR1) == 0);
+        assert_se(pop_pending_signal(SIGUSR2) == 0);
+}
+
+DEFINE_TEST_MAIN(LOG_INFO);