diff options
| author | Adrian McCarthy <amccarth@google.com> | 2015-07-06 17:42:09 +0000 |
|---|---|---|
| committer | Adrian McCarthy <amccarth@google.com> | 2015-07-06 17:42:09 +0000 |
| commit | 5cbef0e79fd2b80f533563a934381b01cdc86d9e (patch) | |
| tree | 6e1293a1ba26fa5270a4852e76aa4708f3af167d /lldb/test/functionalities/thread/create_after_attach/main.cpp | |
| parent | f3a493638fffbb8dede86cb50126f5ba24b3b78e (diff) | |
| download | bcm5719-llvm-5cbef0e79fd2b80f533563a934381b01cdc86d9e.tar.gz bcm5719-llvm-5cbef0e79fd2b80f533563a934381b01cdc86d9e.zip | |
Fix step over breakpoint on Windows (which was detected by TestCreateAfterAttach.py).
llvm-svn: 241475
Diffstat (limited to 'lldb/test/functionalities/thread/create_after_attach/main.cpp')
| -rw-r--r-- | lldb/test/functionalities/thread/create_after_attach/main.cpp | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/lldb/test/functionalities/thread/create_after_attach/main.cpp b/lldb/test/functionalities/thread/create_after_attach/main.cpp new file mode 100644 index 00000000000..4892c0fb79e --- /dev/null +++ b/lldb/test/functionalities/thread/create_after_attach/main.cpp @@ -0,0 +1,78 @@ +#include <stdio.h>
+#include <chrono>
+#include <thread>
+
+using std::chrono::microseconds;
+
+#if defined(__linux__)
+#include <sys/prctl.h>
+#endif
+
+volatile int g_thread_2_continuing = 0;
+
+void *
+thread_1_func (void *input)
+{
+ // Waiting to be released by the debugger.
+ while (!g_thread_2_continuing) // Another thread will change this value
+ {
+ std::this_thread::sleep_for(microseconds(1));
+ }
+
+ // Return
+ return NULL; // Set third breakpoint here
+}
+
+void *
+thread_2_func (void *input)
+{
+ // Waiting to be released by the debugger.
+ int child_thread_continue = 0;
+ while (!child_thread_continue) // The debugger will change this value
+ {
+ std::this_thread::sleep_for(microseconds(1)); // Set second breakpoint here
+ }
+
+ // Release thread 1
+ g_thread_2_continuing = 1;
+
+ // Return
+ return NULL;
+}
+
+int main(int argc, char const *argv[])
+{
+#if defined(__linux__)
+ // Immediately enable any ptracer so that we can allow the stub attach
+ // operation to succeed. Some Linux kernels are locked down so that
+ // only an ancestor process can be a ptracer of a process. This disables that
+ // restriction. Without it, attach-related stub tests will fail.
+#if defined(PR_SET_PTRACER) && defined(PR_SET_PTRACER_ANY)
+ int prctl_result;
+
+ // For now we execute on best effort basis. If this fails for
+ // some reason, so be it.
+ prctl_result = prctl(PR_SET_PTRACER, PR_SET_PTRACER_ANY, 0, 0, 0);
+ (void) prctl_result;
+#endif
+#endif
+
+ // Create a new thread
+ std::thread thread_1(thread_1_func, nullptr);
+
+ // Waiting to be attached by the debugger.
+ int main_thread_continue = 0;
+ while (!main_thread_continue) // The debugger will change this value
+ {
+ std::this_thread::sleep_for(microseconds(1)); // Set first breakpoint here
+ }
+
+ // Create another new thread
+ std::thread thread_2(thread_2_func, nullptr);
+
+ // Wait for the threads to finish.
+ thread_1.join();
+ thread_2.join();
+
+ printf("Exiting now\n");
+}
|
