Add testcase for issue 19851 about sigsetjmp and siglongjmp
https://code.google.com/p/android/issues/detail?id=19851
Change-Id: I78ab2fc6e51728aef92df110795be228c8905019
diff --git a/tests/device/issue19851-sigsetjmp/jni/Android.mk b/tests/device/issue19851-sigsetjmp/jni/Android.mk
new file mode 100644
index 0000000..eb8e177
--- /dev/null
+++ b/tests/device/issue19851-sigsetjmp/jni/Android.mk
@@ -0,0 +1,6 @@
+LOCAL_PATH := $(call my-dir)
+
+include $(CLEAR_VARS)
+LOCAL_MODULE := issue19851-sigsetjmp
+LOCAL_SRC_FILES := issue19851-sigsetjmp.c
+include $(BUILD_EXECUTABLE)
diff --git a/tests/device/issue19851-sigsetjmp/jni/Application.mk b/tests/device/issue19851-sigsetjmp/jni/Application.mk
new file mode 100644
index 0000000..a252a72
--- /dev/null
+++ b/tests/device/issue19851-sigsetjmp/jni/Application.mk
@@ -0,0 +1 @@
+APP_ABI := all
diff --git a/tests/device/issue19851-sigsetjmp/jni/issue19851-sigsetjmp.c b/tests/device/issue19851-sigsetjmp/jni/issue19851-sigsetjmp.c
new file mode 100644
index 0000000..49d35ee
--- /dev/null
+++ b/tests/device/issue19851-sigsetjmp/jni/issue19851-sigsetjmp.c
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <signal.h>
+#include <setjmp.h>
+
+static sigjmp_buf sbuf;
+
+void handler(int sig)
+{
+ printf("In handler()\n");
+ siglongjmp(sbuf, 99);
+ printf("After calling siglongjmp, but you won't see me here.\n");
+}
+
+void foo()
+{
+ struct sigaction sact;
+ sigset_t sset;
+ printf("In foo()\n");
+
+ /* Setup signal handler for SIGUSR2 */
+ sigemptyset(&sact.sa_mask);
+ sact.sa_flags = 0;
+ sact.sa_handler = handler;
+ sigaction(SIGUSR2, &sact, NULL);
+
+ /* Unblock SIGUSR2 */
+ sigemptyset(&sset);
+ sigaddset(&sset, SIGUSR2);
+ sigprocmask(SIG_UNBLOCK, &sset, NULL);
+
+ /* Action */
+ kill(getpid(), SIGUSR2);
+
+ printf("After calling kill, but you won't see me here.\n");
+}
+
+void bar()
+{
+ printf("In bar()\n");
+ foo();
+ printf("After calling foo, but you won't see me here.\n");
+}
+
+int main()
+{
+ int code, ret;
+ sigset_t sset;
+ printf("In main()\n");
+ sigemptyset(&sset);
+ sigaddset(&sset, SIGUSR1);
+ sigaddset(&sset, SIGUSR2);
+ sigprocmask(SIG_SETMASK, &sset, NULL);
+ if ((code = sigsetjmp(sbuf, 1)) == 0)
+ {
+ bar();
+ ret = 0xDEADBEEF;
+ }
+ else
+ {
+ printf("siglongjmp() back to main, code = %d\n", code);
+ /* Make sure SIGUSR2 still blocked */
+ sigprocmask(SIG_SETMASK, NULL, &sset);
+ ret = sigismember(&sset, SIGUSR2)? 0 : -1;
+ }
+ printf("ret = %d\n", ret);
+
+ return ret;
+}
