darling-objc4/test/load-noobjc.m
2022-03-31 21:15:07 -07:00

43 lines
1.1 KiB
Objective-C

/*
dyld3 calls the load callback with its own internal lock held, which causes
this test to deadlock. Disable the test in dyld3 mode. If
rdar://problem/53769512 is fixed then remove this.
TEST_CONFIG DYLD=2
TEST_BUILD
$C{COMPILE} $DIR/load-noobjc.m -o load-noobjc.exe
$C{COMPILE} $DIR/load-noobjc2.m -o libload-noobjc2.dylib -bundle -bundle_loader load-noobjc.exe
$C{COMPILE} $DIR/load-noobjc3.m -o libload-noobjc3.dylib -bundle -bundle_loader load-noobjc.exe
END
*/
#include "test.h"
#include <dlfcn.h>
int state = 0;
semaphore_t go;
void *thread(void *arg __unused)
{
dlopen("libload-noobjc2.dylib", RTLD_LAZY);
fail("dlopen should not have returned");
}
int main()
{
semaphore_create(mach_task_self(), &go, SYNC_POLICY_FIFO, 0);
pthread_t th;
pthread_create(&th, nil, &thread, nil);
// Wait for thread to stop in libload-noobjc2's +load method.
semaphore_wait(go);
// run nooobjc3's constructor function.
// There's no objc code here so it shouldn't require the +load lock.
void *dlh = dlopen("libload-noobjc3.dylib", RTLD_LAZY);
testassert(dlh);
testassert(state == 1);
succeed(__FILE__);
}