testing/test-cases/no-shared-cache.dtest/main.c

   1 // BUILD_ONLY: MacOSX
   2
   3 // BUILD:  $CC main.c  -framework AppKit         -o $BUILD_DIR/no_shared_cache.exe
   4
   5 // RUN:  DYLD_SHARED_REGION=avoid ./no_shared_cache.exe
   6
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include <string.h>
  10 #include <mach-o/dyld_priv.h>
  11 #include <dlfcn.h>
  12
  13 #include "test_support.h"
  14
  15 // This program links with AppKit which in dyld3 mode stress tests building closures when there is no dyld shared cache
  16
  17 int main(int argc, const char* argv[], const char* envp[], const char* apple[]) {
  18
  19     size_t cacheLen;
  20     const void* cacheStart = _dyld_get_shared_cache_range(&cacheLen);
  21
  22     if ( cacheStart != NULL ) {
  23         FAIL("_dyld_get_shared_cache_range() returned %p even though we are not using a dyld cache", cacheStart);
  24     }
  25
  26     PASS("Success");
  27 }
  28