1 /* 2 * Copyright (c) 2025 Apple Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28 29 #pragma once 30 31 #include "fibers.h" 32 33 #define FIBERS_CONDITION_ALL (-1) 34 35 typedef struct fibers_condition fibers_condition_t; 36 37 struct fibers_condition { 38 struct fibers_queue wait_queue; 39 }; 40 41 extern void fibers_condition_wakeup_one(fibers_condition_t *cond); 42 extern int fibers_condition_wakeup_some(fibers_condition_t *cond, int num_fibers, void (*callback)(void*, fiber_t), void *arg); 43 extern void fibers_condition_wait(fibers_condition_t *cond); 44 extern void fibers_condition_destroy(fibers_condition_t *cond); 45 extern fiber_t fibers_condition_identify(fibers_condition_t *cond); 46 extern bool fibers_condition_wakeup_identified(fibers_condition_t *cond, fiber_t target); 47