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Diffstat (limited to 'src/ports/SkOSEvent_android.cpp')
-rw-r--r-- | src/ports/SkOSEvent_android.cpp | 155 |
1 files changed, 0 insertions, 155 deletions
diff --git a/src/ports/SkOSEvent_android.cpp b/src/ports/SkOSEvent_android.cpp deleted file mode 100644 index 59d6191..0000000 --- a/src/ports/SkOSEvent_android.cpp +++ /dev/null @@ -1,155 +0,0 @@ -/* libs/graphics/ports/SkOSEvent_android.cpp -** -** Copyright 2006, The Android Open Source Project -** -** Licensed under the Apache License, Version 2.0 (the "License"); -** you may not use this file except in compliance with the License. -** You may obtain a copy of the License at -** -** http://www.apache.org/licenses/LICENSE-2.0 -** -** Unless required by applicable law or agreed to in writing, software -** distributed under the License is distributed on an "AS IS" BASIS, -** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -** See the License for the specific language governing permissions and -** limitations under the License. -*/ - -#include "SkEvent.h" -#include "utils/threads.h" -#include <stdio.h> - -using namespace android; - -Mutex gEventQMutex; -Condition gEventQCondition; - -void SkEvent::SignalNonEmptyQueue() -{ - gEventQCondition.broadcast(); -} - -/////////////////////////////////////////////////////////////////// - -#ifdef FMS_ARCH_ANDROID_ARM - -// don't have pthreads.h, and therefore no timedwait(), so we punt for the demo - -void SkEvent::SignalQueueTimer(SkMSec delay) -{ -} - -void SkEvent_start_timer_thread() -{ -} - -void SkEvent_stop_timer_thread() -{ -} - -#else - -#include <pthread.h> -#include <errno.h> - -static pthread_t gTimerThread; -static pthread_mutex_t gTimerMutex; -static pthread_cond_t gTimerCond; -static timespec gTimeSpec; - -static void* timer_event_thread_proc(void*) -{ - for (;;) - { - int status; - - pthread_mutex_lock(&gTimerMutex); - - timespec spec = gTimeSpec; - // mark our global to be zero - // so we don't call timedwait again on a stale value - gTimeSpec.tv_sec = 0; - gTimeSpec.tv_nsec = 0; - - if (spec.tv_sec == 0 && spec.tv_nsec == 0) - status = pthread_cond_wait(&gTimerCond, &gTimerMutex); - else - status = pthread_cond_timedwait(&gTimerCond, &gTimerMutex, &spec); - - if (status == 0) // someone signaled us with a new time - { - pthread_mutex_unlock(&gTimerMutex); - } - else - { - SkASSERT(status == ETIMEDOUT); // no need to unlock the mutex (its unlocked) - // this is the payoff. Signal the event queue to wake up - // and also check the delay-queue - gEventQCondition.broadcast(); - } - } - return 0; -} - -#define kThousand (1000) -#define kMillion (kThousand * kThousand) -#define kBillion (kThousand * kThousand * kThousand) - -void SkEvent::SignalQueueTimer(SkMSec delay) -{ - pthread_mutex_lock(&gTimerMutex); - - if (delay) - { - struct timeval tv; - gettimeofday(&tv, NULL); - - // normalize tv - if (tv.tv_usec >= kMillion) - { - tv.tv_sec += tv.tv_usec / kMillion; - tv.tv_usec %= kMillion; - } - - // add tv + delay, scale each up to land on nanoseconds - gTimeSpec.tv_nsec = (tv.tv_usec + (delay % kThousand) * kThousand) * kThousand; - gTimeSpec.tv_sec = (tv.tv_sec + (delay / kThousand) * kThousand) * kThousand; - - // check for overflow in nsec - if ((unsigned long)gTimeSpec.tv_nsec >= kBillion) - { - gTimeSpec.tv_nsec -= kBillion; - gTimeSpec.tv_sec += 1; - SkASSERT((unsigned long)gTimeSpec.tv_nsec < kBillion); - } - - // printf("SignalQueueTimer(%d) timespec(%d %d)\n", delay, gTimeSpec.tv_sec, gTimeSpec.tv_nsec); - } - else // cancel the timer - { - gTimeSpec.tv_nsec = 0; - gTimeSpec.tv_sec = 0; - } - - pthread_mutex_unlock(&gTimerMutex); - pthread_cond_signal(&gTimerCond); -} - -void SkEvent_start_timer_thread() -{ - int status; - pthread_attr_t attr; - - status = pthread_attr_init(&attr); - SkASSERT(status == 0); - status = pthread_create(&gTimerThread, &attr, timer_event_thread_proc, 0); - SkASSERT(status == 0); -} - -void SkEvent_stop_timer_thread() -{ - int status = pthread_cancel(gTimerThread); - SkASSERT(status == 0); -} - -#endif |