/*
* Copyright (c) 2019 Apple Computer, Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
#include <mach/boolean.h>
#include <mach/message.h>
#include <mach/kern_return.h>
#include <mach/mach_traps.h>
#include <mach/mach_types.h>
#include <mach/clock_types.h>
#include <mach/mach_eventlink_types.h>
/*
* __mach_eventlink* calls are bsd syscalls instead of mach traps because
* they need to return a 64 bit value in register and mach traps currently
* does not allow 64 bit return values.
*/
uint64_t
__mach_eventlink_signal(
mach_port_t eventlink_port,
uint64_t signal_count);
uint64_t
__mach_eventlink_wait_until(
mach_port_t eventlink_port,
uint64_t wait_signal_count,
uint64_t deadline,
kern_clock_id_t clock_id,
mach_eventlink_signal_wait_option_t option);
uint64_t
__mach_eventlink_signal_wait_until(
mach_port_t eventlink_port,
uint64_t wait_count,
uint64_t signal_count,
uint64_t deadline,
kern_clock_id_t clock_id,
mach_eventlink_signal_wait_option_t option);
kern_return_t
mach_eventlink_signal(
mach_port_t eventlink_port,
uint64_t signal_count)
{
uint64_t retval = __mach_eventlink_signal(eventlink_port, signal_count);
return decode_eventlink_error_from_retval(retval);
}
kern_return_t
mach_eventlink_wait_until(
mach_port_t eventlink_port,
uint64_t *wait_count_ptr,
mach_eventlink_signal_wait_option_t option,
kern_clock_id_t clock_id,
uint64_t deadline)
{
uint64_t retval;
retval = __mach_eventlink_wait_until(eventlink_port, *wait_count_ptr,
deadline, clock_id, option);
*wait_count_ptr = decode_eventlink_count_from_retval(retval);
return decode_eventlink_error_from_retval(retval);
}
kern_return_t
mach_eventlink_signal_wait_until(
mach_port_t eventlink_port,
uint64_t *wait_count_ptr,
uint64_t signal_count,
mach_eventlink_signal_wait_option_t option,
kern_clock_id_t clock_id,
uint64_t deadline)
{
uint64_t retval;
retval = __mach_eventlink_signal_wait_until(eventlink_port, *wait_count_ptr,
signal_count, deadline, clock_id, option);
*wait_count_ptr = decode_eventlink_count_from_retval(retval);
return decode_eventlink_error_from_retval(retval);
}