Add a test for pthread_setname_np on another thread in a PR_SET_DUMPABLE 0 process.
Bug: http://b/28051133
Change-Id: I9a578333815afa6bdfc1e3c3eea430a15957304f
diff --git a/tests/pthread_test.cpp b/tests/pthread_test.cpp
index 019016d..589cab4 100755
--- a/tests/pthread_test.cpp
+++ b/tests/pthread_test.cpp
@@ -24,6 +24,7 @@
#include <signal.h>
#include <stdio.h>
#include <sys/mman.h>
+#include <sys/prctl.h>
#include <sys/syscall.h>
#include <time.h>
#include <unistd.h>
@@ -422,7 +423,21 @@
SpinFunctionHelper spin_helper;
pthread_t t;
- ASSERT_EQ(0, pthread_create(&t, NULL, spin_helper.GetFunction(), NULL));
+ ASSERT_EQ(0, pthread_create(&t, nullptr, spin_helper.GetFunction(), nullptr));
+ test_pthread_setname_np__pthread_getname_np(t);
+ spin_helper.UnSpin();
+ ASSERT_EQ(0, pthread_join(t, nullptr));
+}
+
+// http://b/28051133: a kernel misfeature means that you can't change the
+// name of another thread if you've set PR_SET_DUMPABLE to 0.
+TEST(pthread, pthread_setname_np__pthread_getname_np__other_PR_SET_DUMPABLE) {
+ ASSERT_EQ(0, prctl(PR_SET_DUMPABLE, 0)) << strerror(errno);
+
+ SpinFunctionHelper spin_helper;
+
+ pthread_t t;
+ ASSERT_EQ(0, pthread_create(&t, nullptr, spin_helper.GetFunction(), nullptr));
test_pthread_setname_np__pthread_getname_np(t);
spin_helper.UnSpin();
ASSERT_EQ(0, pthread_join(t, nullptr));
