main.c   [plain text]

// BUILD:  $CC foo.c -dynamiclib  -install_name $RUN_DIR/libfoo.dylib -o $BUILD_DIR/libfoo.dylib
// BUILD:  $CC main.c -o $BUILD_DIR/dlopen-race.exe -DRUN_DIR="$RUN_DIR"

// RUN:  ./dlopen-race.exe

#include <stdio.h>
#include <dlfcn.h>
#include <stdlib.h>
#include <dispatch/dispatch.h>

#include "test_support.h"

int main(int argc, const char* argv[], const char* envp[], const char* apple[]) {
    __block bool allGood = true;
    dispatch_apply(6, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(size_t index) {
        for (int i=0; i < 500; ++i) {
            void* handle = dlopen(RUN_DIR "/libfoo.dylib", RTLD_LAZY);
            if ( handle == NULL ) {
                FAIL("dlopen-read: %s", dlerror());
            }
            dlclose(handle);
        }
    });

    PASS("Success");
	return 0;
}