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 -Wl,-w
   4 // BUILD:  $CC main.c -DRUN_DIR="$RUN_DIR"                                                                                               -o $BUILD_DIR/dlopen-flat.exe
   5
   6 // RUN:  ./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                 fooHandle = dlopen(RUN_DIR "/libfoo.dylib", RTLD_LAZY);
  21                 if (!fooHandle) {
  22                         printf("dlopen failed with error: %s\n", dlerror());
  23                         return 1;
  24                 }
  25                 if (gInitialisersCalled != 1) {
  26                 printf("gInitialisersCalled != 1\n");
  27                 printf("[FAIL] dlopen-flat\n");
  28                         return 1;
  29                 }
  30         }
  31         // Now unload foo which should do something.
  32         result = dlclose(fooHandle);
  33         if (result != 0) {
  34         printf("dlclose() returned %c\n", result);
  35         printf("[FAIL] dlopen-flat\n");
  36                 return 1;
  37         }
  38
  39         // Open foo again which should do something.
  40         {
  41                 fooHandle = dlopen(RUN_DIR "/libfoo.dylib", RTLD_LAZY);
  42                 if (!fooHandle) {
  43                         printf("dlopen failed with error: %s\n", dlerror());
  44                         return 1;
  45                 }
  46                 if (gInitialisersCalled != 2) {
  47                 printf("gInitialisersCalled != 2\n");
  48                 printf("[FAIL] dlopen-flat\n");
  49                         return 1;
  50                 }
  51         }
  52
  53         // Bar is going to resolve foo()
  54         void* barHandle = 0;
  55         {
  56                 barHandle = dlopen(RUN_DIR "/libbar.dylib", RTLD_LAZY);
  57                 if (!barHandle) {
  58                         printf("dlopen failed with error: %s\n", dlerror());
  59                         return 1;
  60                 }
  61                 if (gInitialisersCalled != 3) {
  62                 printf("gInitialisersCalled != 3\n");
  63                 printf("[FAIL] dlopen-flat\n");
  64                         return 1;
  65                 }
  66         }
  67         // Now unload foo which shouldn't do anything.
  68         result = dlclose(fooHandle);
  69         if (result != 0) {
  70         printf("dlclose() returned %c\n", result);
  71         printf("[FAIL] dlopen-flat\n");
  72                 return 1;
  73         }
  74
  75         // Open foo again which shouldn't do anything.
  76         {
  77                 fooHandle = dlopen(RUN_DIR "/libfoo.dylib", RTLD_LAZY);
  78                 if (!fooHandle) {
  79                         printf("dlopen failed with error: %s\n", dlerror());
  80                         return 1;
  81                 }
  82                 if (gInitialisersCalled != 3) {
  83                 printf("gInitialisersCalled != 3\n");
  84                 printf("[FAIL] dlopen-flat\n");
  85                         return 1;
  86                 }
  87         }
  88
  89     printf("[PASS] dlopen-flat\n");
  90         return 0;
  91 }
  92