main.c   [plain text]

// BUILD:  $CC base.c -dynamiclib -o $BUILD_DIR/libbase.dylib -install_name $RUN_DIR/libbase.dylib
// BUILD:  $CC A.c -dynamiclib -o $BUILD_DIR/libA.dylib -install_name $RUN_DIR/libA.dylib $BUILD_DIR/libbase.dylib
// BUILD:  $CC C.c -dynamiclib -o $BUILD_DIR/libC.dylib -install_name $RUN_DIR/libC.dylib $BUILD_DIR/libbase.dylib
// BUILD:  $CC B.c -dynamiclib -o $BUILD_DIR/libB.dylib -install_name $RUN_DIR/libB.dylib $BUILD_DIR/libbase.dylib $BUILD_DIR/libC.dylib
// BUILD:  $CC D.c -dynamiclib -o $BUILD_DIR/libD.dylib -install_name $RUN_DIR/libD.dylib $BUILD_DIR/libbase.dylib $BUILD_DIR/libC.dylib
// BUILD:  $CC E.c -dynamiclib -o $BUILD_DIR/libE.dylib -install_name $RUN_DIR/libE.dylib $BUILD_DIR/libbase.dylib $BUILD_DIR/libA.dylib
// BUILD:  $CC F.c -dynamiclib -o $BUILD_DIR/libF.dylib -install_name $RUN_DIR/libF.dylib $BUILD_DIR/libbase.dylib $BUILD_DIR/libD.dylib
// BUILD:  $CC main.c -o $BUILD_DIR/dlopen-intertwined.exe $BUILD_DIR/libbase.dylib $BUILD_DIR/libA.dylib -DRUN_DIR="$RUN_DIR"

// RUN:  ./dlopen-intertwined.exe

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

// main deps on A
// main dlopens B which deps on C
// main dlopens D which deps on C
// main dlopens E which deps on A
// main dlopens F which deps on D

extern void a(const char*);
extern void setState(const char* from);

int main()
{
    printf("[BEGIN] dlopen-intertwined\n");

    a("main");
    
    void* handle = dlopen(RUN_DIR "/libB.dylib", RTLD_LAZY);
    if ( handle == NULL ) {
        printf("[FAIL] dlopen-intertwined: %s\n", dlerror());
        exit(0);
    }

    handle = dlopen(RUN_DIR "/libD.dylib", RTLD_LAZY);
    if ( handle == NULL ) {
        printf("[FAIL] dlopen-intertwined: %s\n", dlerror());
        exit(0);
    }

    handle = dlopen(RUN_DIR "/libE.dylib", RTLD_LAZY);
    if ( handle == NULL ) {
        printf("[FAIL] dlopen-intertwined: %s\n", dlerror());
        exit(0);
    }

    handle = dlopen(RUN_DIR "/libF.dylib", RTLD_LAZY);
    if ( handle == NULL ) {
        printf("[FAIL] dlopen-intertwined: %s\n", dlerror());
        exit(0);
    }

    setState("DONE");

    printf("[PASS] dlopen-intertwined\n");
	return 0;
}