1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _FMD_TIMERQ_H 28 #define _FMD_TIMERQ_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <pthread.h> 33 #include <time.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 #include <fmd_idspace.h> 40 #include <fmd_thread.h> 41 #include <fmd_event.h> 42 #include <fmd_list.h> 43 44 typedef void fmd_timer_f(void *, id_t, hrtime_t); 45 46 typedef struct fmd_timer { 47 fmd_list_t tmr_list; /* expiry or free list next/prev pointers */ 48 hrtime_t tmr_hrt; /* high-res time at which timer should fire */ 49 fmd_idspace_t *tmr_ids; /* idspace that contains the timer id */ 50 id_t tmr_id; /* client identifier for this timer */ 51 fmd_timer_f *tmr_func; /* function that should be called on expiry */ 52 void *tmr_arg; /* argument to pass back to tmr_func */ 53 pthread_cond_t tmr_cv; /* condition variable for waiting on tmr_func */ 54 } fmd_timer_t; 55 56 typedef struct fmd_timerq { 57 fmd_thread_t *tmq_thread; /* thread handling timer expiry for queue */ 58 uint_t tmq_abort; /* flag indicating tmq_thread should abort */ 59 pthread_mutex_t tmq_lock; /* lock protecting timer queue contents */ 60 pthread_cond_t tmq_cv; /* condition variable for tmq_list, abort */ 61 fmd_list_t tmq_list; /* list of active timers, sorted by tmr_hrt */ 62 fmd_list_t tmq_free; /* list of free timers */ 63 } fmd_timerq_t; 64 65 extern id_t fmd_timerq_install(fmd_timerq_t *, 66 fmd_idspace_t *, fmd_timer_f *, void *, fmd_event_t *, hrtime_t); 67 68 extern void *fmd_timerq_remove(fmd_timerq_t *, fmd_idspace_t *, id_t); 69 extern fmd_timerq_t *fmd_timerq_create(void); 70 extern void fmd_timerq_destroy(fmd_timerq_t *); 71 72 #ifdef __cplusplus 73 } 74 #endif 75 76 #endif /* _FMD_TIMERQ_H */ 77