packages/Python/lldbsuite/test/api/multithreaded/test_breakpoint_callback.cpp

   1
   2 // LLDB C++ API Test: verify that the function registered with
   3 // SBBreakpoint.SetCallback() is invoked when a breakpoint is hit.
   4
   5 #include <mutex>
   6 #include <iostream>
   7 #include <vector>
   8 #include <string>
   9
  10 #include "lldb-headers.h"
  11
  12 #include "common.h"
  13
  14 using namespace std;
  15 using namespace lldb;
  16
  17 mutex g_mutex;
  18 condition_variable g_condition;
  19 int g_breakpoint_hit_count = 0;
  20
  21 bool BPCallback (void *baton,
  22                  SBProcess &process,
  23                  SBThread &thread,
  24                  SBBreakpointLocation &location) {
  25   lock_guard<mutex> lock(g_mutex);
  26   g_breakpoint_hit_count += 1;
  27   g_condition.notify_all();
  28   return true;
  29 }
  30
  31 void test(SBDebugger &dbg, vector<string> args) {
  32   dbg.SetAsync(false);
  33   SBTarget target = dbg.CreateTarget(args.at(0).c_str());
  34   if (!target.IsValid()) throw Exception("invalid target");
  35
  36   SBBreakpoint breakpoint = target.BreakpointCreateByName("next");
  37   if (!breakpoint.IsValid()) throw Exception("invalid breakpoint");
  38   breakpoint.SetCallback(BPCallback, 0);
  39
  40   std::unique_ptr<char> working_dir(get_working_dir());
  41   SBProcess process = target.LaunchSimple (0, 0, working_dir.get());
  42
  43   {
  44     unique_lock<mutex> lock(g_mutex);
  45     g_condition.wait_for(lock, chrono::seconds(5));
  46     if (g_breakpoint_hit_count != 1)
  47       throw Exception("Breakpoint hit count expected to be 1");
  48   }
  49 }