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

   1
   2 // BUILD:  $CC foo.c -dynamiclib  -install_name $RUN_DIR/libfoo.dylib -o $BUILD_DIR/libfoo.dylib
   3 // BUILD:  $CC main.c -o $BUILD_DIR/dlopen-race.exe -DRUN_DIR="$RUN_DIR"
   4
   5 // RUN:  ./dlopen-race.exe
   6
   7 #include <stdio.h>
   8 #include <dlfcn.h>
   9 #include <stdlib.h>
  10 #include <dispatch/dispatch.h>
  11
  12
  13
  14 int main()
  15 {
  16     printf("[BEGIN] dlopen-read\n");
  17
  18     __block bool allGood = true;
  19     dispatch_apply(6, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(size_t index) {
  20         for (int i=0; i < 500; ++i) {
  21             void* handle = dlopen(RUN_DIR "/libfoo.dylib", RTLD_LAZY);
  22             if ( handle == NULL ) {
  23                 printf("[FAIL] dlopen-read: %s\n", dlerror());
  24                 exit(0);
  25             }
  26             dlclose(handle);
  27         }
  28     });
  29
  30     printf("[PASS] dlopen-read\n");
  31         return 0;
  32 }
  33