diff options
Diffstat (limited to 'video_in_hal/nsframework/common_library/client/src/cl_sem.c')
-rwxr-xr-x | video_in_hal/nsframework/common_library/client/src/cl_sem.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/video_in_hal/nsframework/common_library/client/src/cl_sem.c b/video_in_hal/nsframework/common_library/client/src/cl_sem.c deleted file mode 100755 index 911daff..0000000 --- a/video_in_hal/nsframework/common_library/client/src/cl_sem.c +++ /dev/null @@ -1,67 +0,0 @@ -/* - * @copyright Copyright (c) 2016-2020 TOYOTA MOTOR CORPORATION. - * - * 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 <stdio.h> -#include <stdlib.h> -#include <errno.h> -#include <semaphore.h> -#include <time.h> - -#include <native_service/cl_sem.h> -#include "cl_error.h" - -#define CL_MILLI_TO_NANO(time) ((time) * 1000000U) -#define CL_SEC_TO_NANO(time) ((time) * 1000000000U) -#define CL_NANO_TO_SEC(time) ((time) / 1000000000U) - -static void cl_TimeoutCalc(struct timespec *ts, unsigned int timeout) { - unsigned long long nsec; - - clock_gettime(CLOCK_REALTIME, ts); - nsec = (unsigned long long)ts->tv_nsec + (CL_MILLI_TO_NANO((unsigned long long)timeout)); - ts->tv_sec = ts->tv_sec + (time_t)CL_NANO_TO_SEC(nsec); - ts->tv_nsec = (__syscall_slong_t)(nsec - CL_SEC_TO_NANO((unsigned long long)CL_NANO_TO_SEC(nsec))); -} - -int CL_SemWait(sem_t *semid, unsigned int timeout) { - struct timespec ts, tmp; - int ret; - - while (1) { - cl_TimeoutCalc(&ts, timeout); - if ((ret = sem_timedwait(semid, &ts)) != 0) { // LCOV_EXCL_BR_LINE 5: fail safe for libc - // LCOV_EXCL_START 5: fail safe for libc - AGL_ASSERT_NOT_TESTED(); // LCOV_EXCL_LINE 200: test assert - if (errno == ETIMEDOUT) { - /* Check the time considering the case where the time has been changed by clock_settime/settimeofday */ - /* If the current time is much larger than the timeout specified time, - the system assumes that the time has changed and re-executes the command. - (A threshold of 100 is appropriate) */ - clock_gettime(CLOCK_REALTIME, &tmp); - if (difftime(tmp.tv_sec, ts.tv_sec) > 100.0) { - CL_DBG_PRINT("detect clock changed\n"); - continue; - } - } - } - // LCOV_EXCL_STOP 5: fail safe for libc - break; - AGL_ASSERT_NOT_TESTED(); // LCOV_EXCL_LINE 200: test assert - } // LCOV_EXCL_LINE 10: end line - - return ret; -} - |