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 #include "test_support.h"
  13
  14 int main(int argc, const char* argv[], const char* envp[], const char* apple[]) {
  15     __block bool allGood = true;
  16     dispatch_apply(6, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(size_t index) {
  17         for (int i=0; i < 500; ++i) {
  18             void* handle = dlopen(RUN_DIR "/libfoo.dylib", RTLD_LAZY);
  19             if ( handle == NULL ) {
  20                 FAIL("dlopen-read: %s", dlerror());
  21             }
  22             dlclose(handle);
  23         }
  24     });
  25
  26     PASS("Success");
  27         return 0;
  28 }
  29