testing/test-cases/dlopen-flat.dtest/main.c

   1
   2 // BUILD:  $CC foo.c -dynamiclib -Wl,-U,_gInitialisersCalled                                         -install_name $RUN_DIR/libfoo.dylib -o $BUILD_DIR/libfoo.dylib
   3 // BUILD:  $CC bar.c -dynamiclib -Wl,-U,_gInitialisersCalled $BUILD_DIR/libfoo.dylib -flat_namespace -install_name $RUN_DIR/libbar.dylib -o $BUILD_DIR/libbar.dylib
   4 // BUILD:  $CC main.c -DRUN_DIR="$RUN_DIR"                                                                                               -o $BUILD_DIR/dlopen-flat.exe
   5
   6 // RUN:  DYLD_LIBRARY_PATH=$RUN_DIR ./dlopen-flat.exe
   7
   8 #include <stdio.h>
   9 #include <dlfcn.h>
  10
  11 int gInitialisersCalled = 0;
  12
  13 int main() {
  14         printf("[BEGIN] dlopen-flat\n");
  15         int result;
  16
  17         // Foo exports foo()
  18         void* fooHandle = 0;
  19         {
  20                 const char* path = RUN_DIR "/libfoo.dylib";
  21                 fooHandle = dlopen(path, RTLD_LAZY);
  22                 if (!fooHandle) {
  23                         printf("dlopen failed with error: %s\n", dlerror());
  24                         return 1;
  25                 }
  26                 if (gInitialisersCalled != 1) {
  27                 printf("gInitialisersCalled != 1\n");
  28                 printf("[FAIL] dlopen-flat\n");
  29                         return 1;
  30                 }
  31         }
  32         // Now unload foo which should do something.
  33         result = dlclose(fooHandle);
  34         if (result != 0) {
  35         printf("dlclose() returned %c\n", result);
  36         printf("[FAIL] dlopen-flat\n");
  37                 return 1;
  38         }
  39
  40         // Open foo again which should do something.
  41         {
  42                 const char* path = RUN_DIR "/libfoo.dylib";
  43                 fooHandle = dlopen(path, RTLD_LAZY);
  44                 if (!fooHandle) {
  45                         printf("dlopen failed with error: %s\n", dlerror());
  46                         return 1;
  47                 }
  48                 if (gInitialisersCalled != 2) {
  49                 printf("gInitialisersCalled != 2\n");
  50                 printf("[FAIL] dlopen-flat\n");
  51                         return 1;
  52                 }
  53         }
  54
  55         // Bar is going to resolve foo()
  56         void* barHandle = 0;
  57         {
  58                 const char* path = RUN_DIR "/libbar.dylib";
  59                 barHandle = dlopen(path, RTLD_LAZY);
  60                 if (!barHandle) {
  61                         printf("dlopen failed with error: %s\n", dlerror());
  62                         return 1;
  63                 }
  64                 if (gInitialisersCalled != 3) {
  65                 printf("gInitialisersCalled != 3\n");
  66                 printf("[FAIL] dlopen-flat\n");
  67                         return 1;
  68                 }
  69         }
  70         // Now unload foo which shouldn't do anything.
  71         result = dlclose(fooHandle);
  72         if (result != 0) {
  73         printf("dlclose() returned %c\n", result);
  74         printf("[FAIL] dlopen-flat\n");
  75                 return 1;
  76         }
  77
  78         // Open foo again which shouldn't do anything.
  79         {
  80                 const char* path = RUN_DIR "/libfoo.dylib";
  81                 fooHandle = dlopen(path, RTLD_LAZY);
  82                 if (!fooHandle) {
  83                         printf("dlopen failed with error: %s\n", dlerror());
  84                         return 1;
  85                 }
  86                 if (gInitialisersCalled != 3) {
  87                 printf("gInitialisersCalled != 3\n");
  88                 printf("[FAIL] dlopen-flat\n");
  89                         return 1;
  90                 }
  91         }
  92
  93     printf("[PASS] dlopen-flat\n");
  94         return 0;
  95 }
  96