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1 // Make sure we can handle reloading the same DLL multiple times.
2 // RUN: %clang_cl_asan -LD -O0 -DDLL %s -Fe%t.dll
3 // RUN: %clang_cl_asan -O0 -DEXE %s -Fe%te.exe
4 // RUN: %env_asan_opts=report_globals=1 %run %te.exe %t.dll 2>&1 | FileCheck %s
5 
6 #include <windows.h>
7 #include <stdio.h>
8 #include <string.h>
9 
10 extern "C" {
11 #if defined(EXE)
main(int argc,char ** argv)12 int main(int argc, char **argv) {
13   if (argc != 2) {
14     printf("Usage: %s [client].dll\n", argv[0]);
15     return 101;
16   }
17   const char *dll_name = argv[1];
18 
19 // CHECK: time to load DLL
20   printf("time to load DLL\n");
21   fflush(0);
22 
23 // CHECK: in DLL(reason=1)
24 // CHECK: in DLL(reason=0)
25 // CHECK: in DLL(reason=1)
26 // CHECK: in DLL(reason=0)
27 // CHECK: in DLL(reason=1)
28 // CHECK: in DLL(reason=0)
29   for (int i = 0; i < 30; ++i) {
30     HMODULE dll = LoadLibrary(dll_name);
31     if (dll == NULL)
32       return 3;
33 
34     if (!FreeLibrary(dll))
35       return 4;
36   }
37 
38 // CHECK: All OK!
39   printf("All OK!\n");
40   fflush(0);
41 }
42 #elif defined(DLL)
43 BOOL WINAPI DllMain(HMODULE, DWORD reason, LPVOID) {
44   printf("in DLL(reason=%d)\n", (int)reason);
45   fflush(0);
46   return TRUE;
47 }
48 #else
49 # error oops!
50 #endif
51 }
52