test/load-noobjc.m

   1 /*
   2 dyld3 calls the load callback with its own internal lock held, which causes
   3 this test to deadlock. Disable the test in dyld3 mode. If
   4 rdar://problem/53769512 is fixed then remove this.
   5 TEST_CONFIG DYLD=2
   6 TEST_BUILD
   7     $C{COMPILE} $DIR/load-noobjc.m -o load-noobjc.exe
   8     $C{COMPILE} $DIR/load-noobjc2.m -o libload-noobjc2.dylib -bundle -bundle_loader load-noobjc.exe
   9     $C{COMPILE} $DIR/load-noobjc3.m -o libload-noobjc3.dylib -bundle -bundle_loader load-noobjc.exe
  10 END
  11 */
  12
  13 #include "test.h"
  14 #include <dlfcn.h>
  15
  16 int state = 0;
  17 semaphore_t go;
  18
  19 void *thread(void *arg __unused)
  20 {
  21     dlopen("libload-noobjc2.dylib", RTLD_LAZY);
  22     fail("dlopen should not have returned");
  23 }
  24
  25 int main()
  26 {
  27     semaphore_create(mach_task_self(), &go, SYNC_POLICY_FIFO, 0);
  28
  29     pthread_t th;
  30     pthread_create(&th, nil, &thread, nil);
  31
  32     // Wait for thread to stop in libload-noobjc2's +load method.
  33     semaphore_wait(go);
  34
  35     // run nooobjc3's constructor function.
  36     // There's no objc code here so it shouldn't require the +load lock.
  37     void *dlh = dlopen("libload-noobjc3.dylib", RTLD_LAZY);
  38     testassert(dlh);
  39     testassert(state == 1);
  40
  41     succeed(__FILE__);
  42 }