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/*
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| 2 |
* timer.cpp - Time Manager emulation
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| 3 |
*
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* SheepShaver (C) 1997-2008 Christian Bauer and Marc Hellwig
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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| 17 |
* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "sysdeps.h"
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#include "timer.h"
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#include "macos_util.h"
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#include "main.h"
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#include "cpu_emulation.h"
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#ifdef PRECISE_TIMING_POSIX
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#include <pthread.h>
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#include <semaphore.h>
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#endif
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#ifdef PRECISE_TIMING_MACH
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#include <mach/mach.h>
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#endif
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#define DEBUG 0
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#include "debug.h"
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#define TM_QUEUE 0 // Enable TMQueue management (doesn't work)
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// Definitions for Time Manager
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enum { // TMTask struct
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tmAddr = 6,
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tmCount = 10,
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tmWakeUp = 14,
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tmReserved = 18
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};
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// Array of additional info for each installed TMTask
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struct TMDesc {
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uint32 task; // Mac address of associated TMTask
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tm_time_t wakeup; // Time this task is scheduled for execution
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TMDesc *next;
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};
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static TMDesc *tmDescList;
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#if PRECISE_TIMING
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#ifdef PRECISE_TIMING_BEOS
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static thread_id timer_thread = -1;
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static bool thread_active = true;
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static const tm_time_t wakeup_time_max = 0x7fffffffffffffff;
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static volatile tm_time_t wakeup_time = wakeup_time_max;
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static sem_id wakeup_time_sem = -1;
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static int32 timer_func(void *arg);
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#endif
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#ifdef PRECISE_TIMING_POSIX
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static pthread_t timer_thread;
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static bool timer_thread_active = false;
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static volatile bool timer_thread_cancel = false;
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static tm_time_t wakeup_time_max = { 0x7fffffff, 999999999 };
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static tm_time_t wakeup_time = wakeup_time_max;
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static pthread_mutex_t wakeup_time_lock = PTHREAD_MUTEX_INITIALIZER;
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static void *timer_func(void *arg);
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#endif
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#ifdef PRECISE_TIMING_MACH
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static clock_serv_t system_clock;
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static thread_act_t timer_thread;
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static bool timer_thread_active = false;
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static tm_time_t wakeup_time_max = { 0x7fffffff, 999999999 };
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static tm_time_t wakeup_time = wakeup_time_max;
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static semaphore_t wakeup_time_sem;
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static void *timer_func(void *arg);
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#endif
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#endif
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inline static void free_desc(TMDesc *desc)
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{
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if (desc == tmDescList) {
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tmDescList = desc->next;
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} else {
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for (TMDesc *d = tmDescList; d; d = d->next) {
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if (d->next == desc) {
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d->next = desc->next;
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break;
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}
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}
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}
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delete desc;
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}
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/*
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* Find descriptor associated with given TMTask
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*/
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inline static TMDesc *find_desc(uint32 tm)
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{
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TMDesc *desc = tmDescList;
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while (desc) {
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if (desc->task == tm) {
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return desc;
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}
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desc = desc->next;
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}
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return NULL;
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}
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/*
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* Enqueue task in Time Manager queue
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*/
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static void enqueue_tm(uint32 tm)
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{
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#if TM_QUEUE
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uint32 tm_var = ReadMacInt32(0xb30);
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WriteMacInt32(tm + qLink, ReadMacInt32(tm_var));
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WriteMacInt32(tm_var, tm);
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#endif
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}
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/*
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* Remove task from Time Manager queue
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*/
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static void dequeue_tm(uint32 tm)
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{
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#if TM_QUEUE
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uint32 p = ReadMacInt32(0xb30);
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while (p) {
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uint32 next = ReadMacInt32(p + qLink);
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if (next == tm) {
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WriteMacInt32(p + qLink, ReadMacInt32(next + qLink));
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return;
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}
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}
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#endif
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}
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/*
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* Timer thread operations
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*/
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#ifdef PRECISE_TIMING_POSIX
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const int SIGSUSPEND = SIGRTMIN + 6;
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const int SIGRESUME = SIGRTMIN + 7;
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static struct sigaction sigsuspend_action;
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static struct sigaction sigresume_action;
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static int suspend_count = 0;
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static pthread_mutex_t suspend_count_lock = PTHREAD_MUTEX_INITIALIZER;
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static sem_t suspend_ack_sem;
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static sigset_t suspend_handler_mask;
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// Signal handler for suspended thread
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static void sigsuspend_handler(int sig)
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{
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sem_post(&suspend_ack_sem);
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sigsuspend(&suspend_handler_mask);
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}
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// Signal handler for resumed thread
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static void sigresume_handler(int sig)
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{
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/* simply trigger a signal to stop clock_nanosleep() */
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}
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// Initialize timer thread
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static bool timer_thread_init(void)
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{
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// Install suspend signal handler
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sigemptyset(&sigsuspend_action.sa_mask);
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sigaddset(&sigsuspend_action.sa_mask, SIGRESUME);
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sigsuspend_action.sa_handler = sigsuspend_handler;
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sigsuspend_action.sa_flags = SA_RESTART;
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#ifdef HAVE_SIGNAL_SA_RESTORER
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sigsuspend_action.sa_restorer = NULL;
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#endif
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if (sigaction(SIGSUSPEND, &sigsuspend_action, NULL) < 0)
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return false;
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// Install resume signal handler
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sigemptyset(&sigresume_action.sa_mask);
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sigresume_action.sa_handler = sigresume_handler;
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sigresume_action.sa_flags = SA_RESTART;
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#ifdef HAVE_SIGNAL_SA_RESTORER
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sigresume_action.sa_restorer = NULL;
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#endif
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if (sigaction(SIGRESUME, &sigresume_action, NULL) < 0)
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return false;
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// Initialize semaphore
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if (sem_init(&suspend_ack_sem, 0, 0) < 0)
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return false;
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// Initialize suspend_handler_mask, it excludes SIGRESUME
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if (sigfillset(&suspend_handler_mask) != 0)
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return false;
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if (sigdelset(&suspend_handler_mask, SIGRESUME) != 0)
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return false;
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// Create thread in running state
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suspend_count = 0;
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return (pthread_create(&timer_thread, NULL, timer_func, NULL) == 0);
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}
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// Kill timer thread
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static void timer_thread_kill(void)
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{
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timer_thread_cancel = true;
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#ifdef HAVE_PTHREAD_CANCEL
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pthread_cancel(timer_thread);
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#endif
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pthread_join(timer_thread, NULL);
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}
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// Suspend timer thread
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static void timer_thread_suspend(void)
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{
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pthread_mutex_lock(&suspend_count_lock);
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if (suspend_count == 0) {
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suspend_count ++;
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if (pthread_kill(timer_thread, SIGSUSPEND) == 0)
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sem_wait(&suspend_ack_sem);
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}
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pthread_mutex_unlock(&suspend_count_lock);
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}
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// Resume timer thread
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static void timer_thread_resume(void)
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{
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pthread_mutex_lock(&suspend_count_lock);
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assert(suspend_count > 0);
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if (suspend_count == 1) {
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suspend_count = 0;
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pthread_kill(timer_thread, SIGRESUME);
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}
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pthread_mutex_unlock(&suspend_count_lock);
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}
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#endif
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/*
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* Initialize Time Manager
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*/
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void TimerInit(void)
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{
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TimerReset();
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#if PRECISE_TIMING
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// Start timer thread
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#ifdef PRECISE_TIMING_BEOS
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wakeup_time_sem = create_sem(1, "Wakeup Time");
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timer_thread = spawn_thread(timer_func, "Time Manager", B_REAL_TIME_PRIORITY, NULL);
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resume_thread(timer_thread);
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#elif PRECISE_TIMING_MACH
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pthread_t pthread;
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host_get_clock_service(mach_host_self(), REALTIME_CLOCK, &system_clock);
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semaphore_create(mach_task_self(), &wakeup_time_sem, SYNC_POLICY_FIFO, 1);
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pthread_create(&pthread, NULL, &timer_func, NULL);
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#endif
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#ifdef PRECISE_TIMING_POSIX
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timer_thread_active = timer_thread_init();
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#endif
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#endif
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}
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/*
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* Exit Time Manager
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*/
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void TimerExit(void)
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{
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#if PRECISE_TIMING
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// Quit timer thread
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if (timer_thread > 0) {
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#ifdef PRECISE_TIMING_BEOS
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status_t l;
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thread_active = false;
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suspend_thread(timer_thread);
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resume_thread(timer_thread);
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wait_for_thread(timer_thread, &l);
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delete_sem(wakeup_time_sem);
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#endif
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#ifdef PRECISE_TIMING_MACH
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timer_thread_active = false;
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semaphore_destroy(mach_task_self(), wakeup_time_sem);
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#endif
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#ifdef PRECISE_TIMING_POSIX
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timer_thread_kill();
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#endif
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}
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#endif
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}
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/*
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* Emulator reset, remove all timer tasks
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*/
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void TimerReset(void)
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{
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TMDesc *desc = tmDescList;
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while (desc) {
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TMDesc *next = desc->next;
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delete desc;
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desc = next;
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}
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tmDescList = NULL;
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}
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/*
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* Insert timer task
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*/
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int16 InsTime(uint32 tm, uint16 trap)
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{
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D(bug("InsTime %08lx, trap %04x\n", tm, trap));
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WriteMacInt16((uint32)tm + qType, ReadMacInt16((uint32)tm + qType) & 0x1fff | (trap << 4) & 0x6000);
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if (find_desc(tm))
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printf("WARNING: InsTime(%08lx): Task re-inserted\n", tm);
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else {
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TMDesc *desc = new TMDesc;
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desc->task = tm;
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desc->next = tmDescList;
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tmDescList = desc;
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}
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return 0;
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}
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/*
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* Remove timer task
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*/
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int16 RmvTime(uint32 tm)
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{
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D(bug("RmvTime %08lx\n", tm));
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// Find descriptor
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TMDesc *desc = find_desc(tm);
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if (!desc) {
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printf("WARNING: RmvTime(%08lx): Descriptor not found\n", tm);
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return 0;
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}
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// Task active?
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#if PRECISE_TIMING_BEOS
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while (acquire_sem(wakeup_time_sem) == B_INTERRUPTED) ;
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suspend_thread(timer_thread);
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#endif
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#ifdef PRECISE_TIMING_MACH
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semaphore_wait(wakeup_time_sem);
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thread_suspend(timer_thread);
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#endif
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#if PRECISE_TIMING_POSIX
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timer_thread_suspend();
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pthread_mutex_lock(&wakeup_time_lock);
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#endif
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if (ReadMacInt16(tm + qType) & 0x8000) {
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// Yes, make task inactive and remove it from the Time Manager queue
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WriteMacInt16(tm + qType, ReadMacInt16(tm + qType) & 0x7fff);
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dequeue_tm(tm);
|
| 386 |
#if PRECISE_TIMING
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// Look for next task to be called and set wakeup_time
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wakeup_time = wakeup_time_max;
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| 389 |
for (TMDesc *d = tmDescList; d; d = d->next)
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if ((ReadMacInt16(d->task + qType) & 0x8000))
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| 391 |
if (timer_cmp_time(d->wakeup, wakeup_time) < 0)
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| 392 |
wakeup_time = d->wakeup;
|
| 393 |
#endif
|
| 394 |
|
| 395 |
// Compute remaining time
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| 396 |
tm_time_t remaining, current;
|
| 397 |
timer_current_time(current);
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| 398 |
timer_sub_time(remaining, desc->wakeup, current);
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| 399 |
WriteMacInt32(tm + tmCount, timer_host2mac_time(remaining));
|
| 400 |
} else
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| 401 |
WriteMacInt32(tm + tmCount, 0);
|
| 402 |
D(bug(" tmCount %ld\n", ReadMacInt32(tm + tmCount)));
|
| 403 |
#if PRECISE_TIMING_BEOS
|
| 404 |
release_sem(wakeup_time_sem);
|
| 405 |
thread_info info;
|
| 406 |
do {
|
| 407 |
resume_thread(timer_thread); // This will unblock the thread
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| 408 |
get_thread_info(timer_thread, &info);
|
| 409 |
} while (info.state == B_THREAD_SUSPENDED); // Sometimes, resume_thread() doesn't work (BeOS bug?)
|
| 410 |
#endif
|
| 411 |
#ifdef PRECISE_TIMING_MACH
|
| 412 |
semaphore_signal(wakeup_time_sem);
|
| 413 |
thread_abort(timer_thread);
|
| 414 |
thread_resume(timer_thread);
|
| 415 |
#endif
|
| 416 |
#if PRECISE_TIMING_POSIX
|
| 417 |
pthread_mutex_unlock(&wakeup_time_lock);
|
| 418 |
timer_thread_resume();
|
| 419 |
assert(suspend_count == 0);
|
| 420 |
#endif
|
| 421 |
|
| 422 |
// Free descriptor
|
| 423 |
free_desc(desc);
|
| 424 |
return 0;
|
| 425 |
}
|
| 426 |
|
| 427 |
|
| 428 |
/*
|
| 429 |
* Start timer task
|
| 430 |
*/
|
| 431 |
|
| 432 |
int16 PrimeTime(uint32 tm, int32 time)
|
| 433 |
{
|
| 434 |
D(bug("PrimeTime %08lx, time %ld\n", tm, time));
|
| 435 |
|
| 436 |
// Find descriptor
|
| 437 |
TMDesc *desc = find_desc(tm);
|
| 438 |
if (!desc) {
|
| 439 |
printf("FATAL: PrimeTime(%08lx): Descriptor not found\n", tm);
|
| 440 |
return 0;
|
| 441 |
}
|
| 442 |
|
| 443 |
// Convert delay time
|
| 444 |
tm_time_t delay;
|
| 445 |
timer_mac2host_time(delay, time);
|
| 446 |
|
| 447 |
// Extended task?
|
| 448 |
if (ReadMacInt16(tm + qType) & 0x4000) {
|
| 449 |
|
| 450 |
// Yes, tmWakeUp set?
|
| 451 |
if (ReadMacInt32(tm + tmWakeUp)) {
|
| 452 |
|
| 453 |
// PrimeTime(0) can either mean (a) "the task runs as soon as interrupts are enabled"
|
| 454 |
// or (b) "continue previous delay" if an expired task was stopped via RmvTime() and
|
| 455 |
// then re-installed using InsXTime(). Since tmWakeUp was set, this is case (b).
|
| 456 |
// The remaining time was saved in tmCount by RmvTime().
|
| 457 |
if (time == 0) {
|
| 458 |
timer_mac2host_time(delay, ReadMacInt16(tm + tmCount));
|
| 459 |
}
|
| 460 |
|
| 461 |
// Yes, calculate wakeup time relative to last scheduled time
|
| 462 |
tm_time_t wakeup;
|
| 463 |
timer_add_time(wakeup, desc->wakeup, delay);
|
| 464 |
desc->wakeup = wakeup;
|
| 465 |
|
| 466 |
} else {
|
| 467 |
|
| 468 |
// No, calculate wakeup time relative to current time
|
| 469 |
tm_time_t now;
|
| 470 |
timer_current_time(now);
|
| 471 |
timer_add_time(desc->wakeup, now, delay);
|
| 472 |
}
|
| 473 |
|
| 474 |
// Set tmWakeUp to indicate that task was scheduled
|
| 475 |
WriteMacInt32(tm + tmWakeUp, 0x12345678);
|
| 476 |
|
| 477 |
} else {
|
| 478 |
|
| 479 |
// Not extended task, calculate wakeup time relative to current time
|
| 480 |
tm_time_t now;
|
| 481 |
timer_current_time(now);
|
| 482 |
timer_add_time(desc->wakeup, now, delay);
|
| 483 |
}
|
| 484 |
|
| 485 |
// Make task active and enqueue it in the Time Manager queue
|
| 486 |
#if PRECISE_TIMING_BEOS
|
| 487 |
while (acquire_sem(wakeup_time_sem) == B_INTERRUPTED) ;
|
| 488 |
suspend_thread(timer_thread);
|
| 489 |
#endif
|
| 490 |
#ifdef PRECISE_TIMING_MACH
|
| 491 |
semaphore_wait(wakeup_time_sem);
|
| 492 |
thread_suspend(timer_thread);
|
| 493 |
#endif
|
| 494 |
#if PRECISE_TIMING_POSIX
|
| 495 |
timer_thread_suspend();
|
| 496 |
pthread_mutex_lock(&wakeup_time_lock);
|
| 497 |
#endif
|
| 498 |
WriteMacInt16(tm + qType, ReadMacInt16(tm + qType) | 0x8000);
|
| 499 |
enqueue_tm(tm);
|
| 500 |
#if PRECISE_TIMING
|
| 501 |
// Look for next task to be called and set wakeup_time
|
| 502 |
wakeup_time = wakeup_time_max;
|
| 503 |
for (TMDesc *d = tmDescList; d; d = d->next)
|
| 504 |
if ((ReadMacInt16(d->task + qType) & 0x8000))
|
| 505 |
if (timer_cmp_time(d->wakeup, wakeup_time) < 0)
|
| 506 |
wakeup_time = d->wakeup;
|
| 507 |
#ifdef PRECISE_TIMING_BEOS
|
| 508 |
release_sem(wakeup_time_sem);
|
| 509 |
thread_info info;
|
| 510 |
do {
|
| 511 |
resume_thread(timer_thread); // This will unblock the thread
|
| 512 |
get_thread_info(timer_thread, &info);
|
| 513 |
} while (info.state == B_THREAD_SUSPENDED); // Sometimes, resume_thread() doesn't work (BeOS bug?)
|
| 514 |
#endif
|
| 515 |
#ifdef PRECISE_TIMING_MACH
|
| 516 |
semaphore_signal(wakeup_time_sem);
|
| 517 |
thread_abort(timer_thread);
|
| 518 |
thread_resume(timer_thread);
|
| 519 |
#endif
|
| 520 |
#ifdef PRECISE_TIMING_POSIX
|
| 521 |
pthread_mutex_unlock(&wakeup_time_lock);
|
| 522 |
timer_thread_resume();
|
| 523 |
assert(suspend_count == 0);
|
| 524 |
#endif
|
| 525 |
#endif
|
| 526 |
return 0;
|
| 527 |
}
|
| 528 |
|
| 529 |
|
| 530 |
/*
|
| 531 |
* Time Manager thread
|
| 532 |
*/
|
| 533 |
|
| 534 |
#ifdef PRECISE_TIMING_BEOS
|
| 535 |
static int32 timer_func(void *arg)
|
| 536 |
{
|
| 537 |
while (thread_active) {
|
| 538 |
|
| 539 |
// Wait until time specified by wakeup_time
|
| 540 |
snooze_until(wakeup_time, B_SYSTEM_TIMEBASE);
|
| 541 |
|
| 542 |
while (acquire_sem(wakeup_time_sem) == B_INTERRUPTED) ;
|
| 543 |
if (wakeup_time < system_time()) {
|
| 544 |
|
| 545 |
// Timer expired, trigger interrupt
|
| 546 |
wakeup_time = 0x7fffffffffffffff;
|
| 547 |
SetInterruptFlag(INTFLAG_TIMER);
|
| 548 |
TriggerInterrupt();
|
| 549 |
}
|
| 550 |
release_sem(wakeup_time_sem);
|
| 551 |
}
|
| 552 |
return 0;
|
| 553 |
}
|
| 554 |
#endif
|
| 555 |
|
| 556 |
#ifdef PRECISE_TIMING_MACH
|
| 557 |
static void *timer_func(void *arg)
|
| 558 |
{
|
| 559 |
timer_thread = mach_thread_self();
|
| 560 |
timer_thread_active = true;
|
| 561 |
|
| 562 |
while (timer_thread_active) {
|
| 563 |
clock_sleep(system_clock, TIME_ABSOLUTE, wakeup_time, NULL);
|
| 564 |
semaphore_wait(wakeup_time_sem);
|
| 565 |
|
| 566 |
tm_time_t system_time;
|
| 567 |
|
| 568 |
timer_current_time(system_time);
|
| 569 |
if (timer_cmp_time(wakeup_time, system_time) < 0) {
|
| 570 |
wakeup_time = wakeup_time_max;
|
| 571 |
SetInterruptFlag(INTFLAG_TIMER);
|
| 572 |
TriggerInterrupt();
|
| 573 |
}
|
| 574 |
semaphore_signal(wakeup_time_sem);
|
| 575 |
}
|
| 576 |
return NULL;
|
| 577 |
}
|
| 578 |
#endif
|
| 579 |
|
| 580 |
#ifdef PRECISE_TIMING_POSIX
|
| 581 |
static void *timer_func(void *arg)
|
| 582 |
{
|
| 583 |
while (!timer_thread_cancel) {
|
| 584 |
// Wait until time specified by wakeup_time
|
| 585 |
clock_nanosleep(CLOCK_REALTIME, TIMER_ABSTIME, &wakeup_time, NULL);
|
| 586 |
|
| 587 |
tm_time_t system_time;
|
| 588 |
timer_current_time(system_time);
|
| 589 |
if (timer_cmp_time(wakeup_time, system_time) < 0) {
|
| 590 |
|
| 591 |
// Timer expired, trigger interrupt
|
| 592 |
pthread_mutex_lock(&wakeup_time_lock);
|
| 593 |
wakeup_time = wakeup_time_max;
|
| 594 |
pthread_mutex_unlock(&wakeup_time_lock);
|
| 595 |
SetInterruptFlag(INTFLAG_TIMER);
|
| 596 |
TriggerInterrupt();
|
| 597 |
}
|
| 598 |
}
|
| 599 |
return NULL;
|
| 600 |
}
|
| 601 |
#endif
|
| 602 |
|
| 603 |
|
| 604 |
/*
|
| 605 |
* Timer interrupt function (executed as part of 60Hz interrupt)
|
| 606 |
*/
|
| 607 |
|
| 608 |
void TimerInterrupt(void)
|
| 609 |
{
|
| 610 |
// D(bug("TimerIRQ\n"));
|
| 611 |
|
| 612 |
// Look for active TMTasks that have expired
|
| 613 |
tm_time_t now;
|
| 614 |
timer_current_time(now);
|
| 615 |
TMDesc *desc = tmDescList;
|
| 616 |
while (desc) {
|
| 617 |
TMDesc *next = desc->next;
|
| 618 |
uint32 tm = desc->task;
|
| 619 |
if ((ReadMacInt16(tm + qType) & 0x8000) && timer_cmp_time(desc->wakeup, now) <= 0) {
|
| 620 |
|
| 621 |
// Found one, mark as inactive and remove it from the Time Manager queue
|
| 622 |
WriteMacInt16(tm + qType, ReadMacInt16(tm + qType) & 0x7fff);
|
| 623 |
dequeue_tm(tm);
|
| 624 |
|
| 625 |
// Call timer function
|
| 626 |
uint32 addr = ReadMacInt32(tm + tmAddr);
|
| 627 |
if (addr) {
|
| 628 |
D(bug("Calling TimeTask %08lx, addr %08lx\n", tm, addr));
|
| 629 |
M68kRegisters r;
|
| 630 |
r.a[0] = addr;
|
| 631 |
r.a[1] = tm;
|
| 632 |
Execute68k(r.a[0], &r);
|
| 633 |
D(bug(" returned from TimeTask\n"));
|
| 634 |
}
|
| 635 |
}
|
| 636 |
desc = next;
|
| 637 |
}
|
| 638 |
|
| 639 |
#if PRECISE_TIMING
|
| 640 |
// Look for next task to be called and set wakeup_time
|
| 641 |
#if PRECISE_TIMING_BEOS
|
| 642 |
while (acquire_sem(wakeup_time_sem) == B_INTERRUPTED) ;
|
| 643 |
suspend_thread(timer_thread);
|
| 644 |
#endif
|
| 645 |
#if PRECISE_TIMING_MACH
|
| 646 |
semaphore_wait(wakeup_time_sem);
|
| 647 |
thread_suspend(timer_thread);
|
| 648 |
#endif
|
| 649 |
#if PRECISE_TIMING_POSIX
|
| 650 |
timer_thread_suspend();
|
| 651 |
pthread_mutex_lock(&wakeup_time_lock);
|
| 652 |
#endif
|
| 653 |
wakeup_time = wakeup_time_max;
|
| 654 |
for (TMDesc *d = tmDescList; d; d = d->next)
|
| 655 |
if ((ReadMacInt16(d->task + qType) & 0x8000))
|
| 656 |
if (timer_cmp_time(d->wakeup, wakeup_time) < 0)
|
| 657 |
wakeup_time = d->wakeup;
|
| 658 |
#if PRECISE_TIMING_BEOS
|
| 659 |
release_sem(wakeup_time_sem);
|
| 660 |
thread_info info;
|
| 661 |
do {
|
| 662 |
resume_thread(timer_thread); // This will unblock the thread
|
| 663 |
get_thread_info(timer_thread, &info);
|
| 664 |
} while (info.state == B_THREAD_SUSPENDED); // Sometimes, resume_thread() doesn't work (BeOS bug?)
|
| 665 |
#endif
|
| 666 |
#if PRECISE_TIMING_MACH
|
| 667 |
semaphore_signal(wakeup_time_sem);
|
| 668 |
thread_abort(timer_thread);
|
| 669 |
thread_resume(timer_thread);
|
| 670 |
#endif
|
| 671 |
#if PRECISE_TIMING_POSIX
|
| 672 |
pthread_mutex_unlock(&wakeup_time_lock);
|
| 673 |
timer_thread_resume();
|
| 674 |
assert(suspend_count == 0);
|
| 675 |
#endif
|
| 676 |
#endif
|
| 677 |
}
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