mach_port_insert_right.c [plain text]
#include <stdio.h>
#include <mach/mach.h>
#include <mach/message.h>
#include <darwintest.h>
T_DECL(mach_port_insert_right,"insert send right for an existing right", T_META_CHECK_LEAKS(false))
{
mach_port_t port = MACH_PORT_NULL;
mach_port_t port2 = MACH_PORT_NULL;
kern_return_t retval;
mach_port_t task = mach_task_self();
retval = mach_port_allocate(task, MACH_PORT_RIGHT_RECEIVE, &port);
T_ASSERT_MACH_SUCCESS(retval, "allocate a port=[%d]", port);
mach_port_name_t name = 123;
retval = mach_port_insert_right(task, name, port, MACH_MSG_TYPE_MAKE_SEND);
T_ASSERT_MACH_ERROR(retval, KERN_FAILURE, "insert a send right for port=[%d] with name=[%d]", port, name);
name = port + 1;
retval = mach_port_insert_right(task, name, port, MACH_MSG_TYPE_MAKE_SEND);
T_ASSERT_MACH_ERROR(retval, KERN_FAILURE, "insert a send right for port=[%d] with name=[%d]", port, name);
retval = mach_port_allocate(task, MACH_PORT_RIGHT_RECEIVE, &port2);
T_ASSERT_MACH_SUCCESS(retval, "allocate a port=[%d]", port2);
name = port;
retval = mach_port_insert_right(task, name, port2, MACH_MSG_TYPE_MAKE_SEND);
T_ASSERT_MACH_ERROR(retval, KERN_RIGHT_EXISTS, "insert a send right for port=[%d] with name=[%d]", port2, name);
}