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-rw-r--r--libc/bionic/pthread_internal.h7
-rw-r--r--tests/Android.mk7
-rw-r--r--tests/gtest_main.cpp10
-rw-r--r--tests/pthread_test.cpp24
-rw-r--r--tests/stack_unwinding_test.cpp2
5 files changed, 44 insertions, 6 deletions
diff --git a/libc/bionic/pthread_internal.h b/libc/bionic/pthread_internal.h
index 3b91e6a..6a39a21 100644
--- a/libc/bionic/pthread_internal.h
+++ b/libc/bionic/pthread_internal.h
@@ -130,8 +130,13 @@ __LIBC_HIDDEN__ void pthread_key_clean_all(void);
*/
#define PTHREAD_STACK_SIZE_DEFAULT ((1 * 1024 * 1024) - SIGSTKSZ)
-/* Leave room for a guard page in the internally created signal stacks. */
+// Leave room for a guard page in the internally created signal stacks.
+#if defined(__LP64__)
+// SIGSTKSZ is not big enough for 64-bit arch. See http://b/23041777.
+#define SIGNAL_STACK_SIZE (16 * 1024 + PAGE_SIZE)
+#else
#define SIGNAL_STACK_SIZE (SIGSTKSZ + PAGE_SIZE)
+#endif
/* Needed by fork. */
__LIBC_HIDDEN__ extern void __bionic_atfork_run_prepare();
diff --git a/tests/Android.mk b/tests/Android.mk
index cd60668..dc2e410 100644
--- a/tests/Android.mk
+++ b/tests/Android.mk
@@ -241,7 +241,12 @@ libBionicCtsGtestMain_src_files := gtest_main.cpp
libBionicCtsGtestMain_cflags := $(test_cflags)
-libBionicCtsGtestMain_cppflags := $(test_cppflags) -DUSING_GTEST_OUTPUT_FORMAT
+libBionicCtsGtestMain_cppflags := $(test_cppflags) -DUSING_GTEST_OUTPUT_FORMAT \
+
+# Temporarily fix the job count to 1 for CTS since on some devices the
+# number of online cores is incorrectly read as the total number of cores
+# in the system. When b/24376925 is fixed, this should be removed.
+libBionicCtsGtestMain_cppflags += -DJOB_COUNT_FIXED=1
module := libBionicCtsGtestMain
module_tag := optional
diff --git a/tests/gtest_main.cpp b/tests/gtest_main.cpp
index 692b7e8..5d25a4c 100644
--- a/tests/gtest_main.cpp
+++ b/tests/gtest_main.cpp
@@ -59,7 +59,7 @@ using testing::internal::COLOR_GREEN;
using testing::internal::COLOR_YELLOW;
using testing::internal::ColoredPrintf;
-constexpr int DEFAULT_GLOBAL_TEST_RUN_DEADLINE_MS = 60000;
+constexpr int DEFAULT_GLOBAL_TEST_RUN_DEADLINE_MS = 90000;
constexpr int DEFAULT_GLOBAL_TEST_RUN_WARNLINE_MS = 2000;
// The time each test can run before killed for the reason of timeout.
@@ -839,8 +839,12 @@ static bool RunTestInSeparateProc(int argc, char** argv, std::vector<TestCase>&
return all_tests_passed;
}
-static size_t GetProcessorCount() {
+static size_t GetDefaultJobCount() {
+#if defined(JOB_COUNT_FIXED)
+ return JOB_COUNT_FIXED;
+#else
return static_cast<size_t>(sysconf(_SC_NPROCESSORS_ONLN));
+#endif
}
static void AddPathSeparatorInTestProgramPath(std::vector<char*>& args) {
@@ -950,7 +954,7 @@ static bool PickOptions(std::vector<char*>& args, IsolationTestOptions& options)
}
// Init default isolation test options.
- options.job_count = GetProcessorCount();
+ options.job_count = GetDefaultJobCount();
options.test_deadline_ms = DEFAULT_GLOBAL_TEST_RUN_DEADLINE_MS;
options.test_warnline_ms = DEFAULT_GLOBAL_TEST_RUN_WARNLINE_MS;
options.gtest_color = testing::GTEST_FLAG(color);
diff --git a/tests/pthread_test.cpp b/tests/pthread_test.cpp
index 8ae28d8..ad8fac6 100644
--- a/tests/pthread_test.cpp
+++ b/tests/pthread_test.cpp
@@ -27,6 +27,7 @@
#include <sys/syscall.h>
#include <time.h>
#include <unistd.h>
+#include <unwind.h>
#include <atomic>
#include <regex>
@@ -1571,3 +1572,26 @@ TEST_F(pthread_DeathTest, pthread_mutex_unlock_null_64) {
GTEST_LOG_(INFO) << "This test tests bionic implementation details on 64 bit devices.";
#endif
}
+
+extern _Unwind_Reason_Code FrameCounter(_Unwind_Context* ctx, void* arg);
+
+static volatile bool signal_handler_on_altstack_done;
+
+static void SignalHandlerOnAltStack(int signo, siginfo_t*, void*) {
+ ASSERT_EQ(SIGUSR1, signo);
+ // Check if we have enough stack space for unwinding.
+ int count = 0;
+ _Unwind_Backtrace(FrameCounter, &count);
+ ASSERT_GT(count, 0);
+ // Check if we have enough stack space for logging.
+ std::string s(2048, '*');
+ GTEST_LOG_(INFO) << s;
+ signal_handler_on_altstack_done = true;
+}
+
+TEST(pthread, big_enough_signal_stack_for_64bit_arch) {
+ signal_handler_on_altstack_done = false;
+ ScopedSignalHandler handler(SIGUSR1, SignalHandlerOnAltStack, SA_SIGINFO | SA_ONSTACK);
+ kill(getpid(), SIGUSR1);
+ ASSERT_TRUE(signal_handler_on_altstack_done);
+}
diff --git a/tests/stack_unwinding_test.cpp b/tests/stack_unwinding_test.cpp
index d1b3402..afd9e7f 100644
--- a/tests/stack_unwinding_test.cpp
+++ b/tests/stack_unwinding_test.cpp
@@ -34,7 +34,7 @@
#define noinline __attribute__((__noinline__))
#define __unused __attribute__((__unused__))
-static _Unwind_Reason_Code FrameCounter(_Unwind_Context* ctx __unused, void* arg) {
+_Unwind_Reason_Code FrameCounter(_Unwind_Context* ctx __unused, void* arg) {
int* count_ptr = reinterpret_cast<int*>(arg);
#if SHOW_FRAME_LOCATIONS