#include "config.h"
#include "MachUtilities.h"
#include <mach/mach_init.h>
#include <mach/task.h>
void setMachPortQueueLength(mach_port_t receivePort, mach_port_msgcount_t queueLength)
{
ASSERT(MACH_PORT_VALID(receivePort));
mach_port_limits_t portLimits;
portLimits.mpl_qlimit = queueLength;
mach_port_set_attributes(mach_task_self(), receivePort, MACH_PORT_LIMITS_INFO, reinterpret_cast<mach_port_info_t>(&portLimits), MACH_PORT_LIMITS_INFO_COUNT);
}
mach_port_t machExceptionPort()
{
exception_mask_t exceptionMasks[EXC_TYPES_COUNT];
exception_port_t exceptionHandlers[EXC_TYPES_COUNT];
exception_behavior_t exceptionBehaviors[EXC_TYPES_COUNT];
thread_state_flavor_t exceptionFlavors[EXC_TYPES_COUNT];
mach_msg_type_number_t numExceptionMasks;
kern_return_t kr = task_get_exception_ports(mach_task_self(), EXC_MASK_CRASH, exceptionMasks, &numExceptionMasks, exceptionHandlers, exceptionBehaviors, exceptionFlavors);
if (kr != KERN_SUCCESS) {
ASSERT_NOT_REACHED();
return MACH_PORT_NULL;
}
return exceptionHandlers[0];
}
void setMachExceptionPort(mach_port_t exceptionPort)
{
ASSERT(MACH_PORT_VALID(exceptionPort));
#if !ASSERT_DISABLED
static mach_port_t taskExceptionPort = MACH_PORT_NULL;
ASSERT(taskExceptionPort == MACH_PORT_NULL);
taskExceptionPort = exceptionPort;
#endif
if (task_set_exception_ports(mach_task_self(), EXC_MASK_CRASH, exceptionPort, EXCEPTION_STATE_IDENTITY | MACH_EXCEPTION_CODES, MACHINE_THREAD_STATE) != KERN_SUCCESS)
ASSERT_NOT_REACHED();
}