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 
BPCallback(void * baton,SBProcess & process,SBThread & thread,SBBreakpointLocation & location)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 
test(SBDebugger & dbg,vector<string> args)31 void test(SBDebugger &dbg, vector<string> args) {
32   SBTarget target = dbg.CreateTarget(args.at(0).c_str());
33   if (!target.IsValid()) throw Exception("invalid target");
34 
35   SBBreakpoint breakpoint = target.BreakpointCreateByName("next");
36   if (!breakpoint.IsValid()) throw Exception("invalid breakpoint");
37   breakpoint.SetCallback(BPCallback, 0);
38 
39   std::unique_ptr<char> working_dir(get_working_dir());
40   SBProcess process = target.LaunchSimple(0, 0, working_dir.get());
41 
42   {
43     unique_lock<mutex> lock(g_mutex);
44     g_condition.wait_for(lock, chrono::seconds(5));
45     if (g_breakpoint_hit_count != 1)
46       throw Exception("Breakpoint hit count expected to be 1");
47   }
48 }
49