C++ (Cpp) mach_port_get_context 예제들

예제 #1

파일: port_details.c 프로젝트: Leon555/Mac-src-essentials

void get_receive_port_context(task_t taskp, mach_port_name_t portname, mach_port_context_t *context) {
	if (context == NULL) {
		return;
	}
    
	kern_return_t ret;
	ret = mach_port_get_context(taskp, portname, context);
	if (ret != KERN_SUCCESS) {
		fprintf(stderr, "mach_port_get_context(0x%08x) failed: %s\n",
                portname,
                mach_error_string(ret));
		*context = (mach_port_context_t)0;
	}
	return;
}

예제 #2

파일: guarded_test.c 프로젝트: TalAloni/xnu

void get_context_mach_port()
{
	mach_port_t port;
	mach_port_options_t options;
	mach_port_context_t gval = CONTEXT_VALUE1;
	mach_port_context_t g;
	int kret;
	
	options.flags = (MPO_CONTEXT_AS_GUARD);

	printf("Testing get_context() for non-strict guarded port: ");

	kret = mach_port_construct(mach_task_self(), &options, gval, &port);
	if (kret != KERN_SUCCESS)
		exit(1);
	
	kret = mach_port_get_context(mach_task_self(), port, &g);
	if (kret != KERN_SUCCESS || g != gval)
		goto failed;
	else
		printf("[PASSED]\n");
	
	printf("Testing get_context() for strict guarded port: ");
	options.flags = (MPO_CONTEXT_AS_GUARD|MPO_STRICT);

	kret = mach_port_construct(mach_task_self(), &options, gval, &port);
	if (kret != KERN_SUCCESS)
		exit(1);
	
	kret = mach_port_get_context(mach_task_self(), port, &g);
	if (kret != KERN_SUCCESS || g != 0)
		goto failed;
	else
		printf("[PASSED]\n");
	
	printf("Testing get_context() for strict guard port (guarded using mach_port_guard): ");
	kret = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &port);
	if (kret != KERN_SUCCESS)
		exit(1);
	kret = mach_port_guard(mach_task_self(), port, gval, 1);
	if (kret != KERN_SUCCESS)
		exit(1);
	kret = mach_port_get_context(mach_task_self(), port, &g);
	if (kret != KERN_SUCCESS || g != 0)
		goto failed;
	else
		printf("[PASSED]\n");

	printf("Testing get_context() for non-guarded port with context: ");
	kret = mach_port_allocate(mach_task_self(), MACH_PORT_RIGHT_RECEIVE, &port);
	if (kret != KERN_SUCCESS)
		exit(1);
	kret = mach_port_set_context(mach_task_self(), port, gval);
	if (kret != KERN_SUCCESS)
		exit(1);
	kret = mach_port_get_context(mach_task_self(), port, &g);
	if (kret != KERN_SUCCESS || g != gval)
		goto failed;
	else
		printf("[PASSED]\n");

	return;
	

failed:
	printf("[FAILED]\n");
	exit(1);
}

예제 #3

파일: guarded_test.c 프로젝트: TalAloni/xnu

void construct_mach_port()
{
	mach_port_t port;
	mach_port_options_t options;
	mach_port_context_t gval = CONTEXT_VALUE1;
	mach_port_context_t g;
	int kret;

	printf("Testing All mach_port_construct() options...\n");

	printf("No options specified: ");
	options.flags = 0;
	kret = mach_port_construct(mach_task_self(), &options, 0, &port);
	if (kret == KERN_SUCCESS)
		printf("[PASSED]\n");
	else
		goto failed;

	printf("Options MPO_GUARD: ");
	options.flags = MPO_CONTEXT_AS_GUARD;
	kret = mach_port_construct(mach_task_self(), &options, gval, &port);
	if (kret == KERN_SUCCESS)
		printf("[PASSED]\n");
	else
		goto failed;


	printf("Options MPO_GUARD|MPO_STRICT: ");
	options.flags = MPO_CONTEXT_AS_GUARD|MPO_STRICT;
	kret = mach_port_construct(mach_task_self(), &options, gval, &port);
	if (kret == KERN_SUCCESS) {
		kret = mach_port_get_context(mach_task_self(), port, &g);
		if (kret != KERN_SUCCESS || g != 0)
			goto failed;
		else
			printf("[PASSED]\n");
	}
	else
		goto failed;

	printf("Options MPO_QLIMIT: ");
	options.flags = MPO_QLIMIT;
	mach_port_limits_t limits = { MACH_PORT_QLIMIT_SMALL };
	options.mpl = limits;
	kret = mach_port_construct(mach_task_self(), &options, 0, &port);
	if (kret == KERN_SUCCESS)
		printf("[PASSED]\n");
	else
		goto failed;
	
	printf("Options MPO_TEMPOWNER: ");
	options.flags = MPO_TEMPOWNER;
	kret = mach_port_construct(mach_task_self(), &options, 0, &port);
	if (kret == KERN_SUCCESS)
		printf("[PASSED]\n");
	else
		goto failed;

	printf("Options MPO_IMPORTANCE_RECEIVER: ");
	options.flags = MPO_IMPORTANCE_RECEIVER;
	kret = mach_port_construct(mach_task_self(), &options, 0, &port);
	if (kret == KERN_SUCCESS)
		printf("[PASSED]\n");
	else
		goto failed;

	printf("Options MPO_INSERT_SEND_RIGHT: ");
	options.flags = MPO_INSERT_SEND_RIGHT;
	kret = mach_port_construct(mach_task_self(), &options, 0, &port);
	if (kret == KERN_SUCCESS)
		printf("[PASSED]\n");
	else
		goto failed;

	printf("No options specified (Construct Port-Set): ");
	options.flags = 0;
	kret = mach_port_construct(mach_task_self(), &options, 0, &port);
	if (kret == KERN_SUCCESS)
		printf("[PASSED]\n");
	else
		goto failed;

	printf("...Complete\n");
	return;

failed:
	printf("[FAILED %d]\n", kret);
	exit(1);
}