138 lines
3.0 KiB
C
138 lines
3.0 KiB
C
/*----------------------------------------------------------------------------
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* Tencent is pleased to support the open source community by making TencentOS
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* available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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* If you have downloaded a copy of the TencentOS binary from Tencent, please
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* note that the TencentOS binary is licensed under the BSD 3-Clause License.
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*
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* If you have downloaded a copy of the TencentOS source code from Tencent,
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* please note that TencentOS source code is licensed under the BSD 3-Clause
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* License, except for the third-party components listed below which are
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* subject to different license terms. Your integration of TencentOS into your
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* own projects may require compliance with the BSD 3-Clause License, as well
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* as the other licenses applicable to the third-party components included
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* within TencentOS.
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*---------------------------------------------------------------------------*/
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#include "private/posix_config.h"
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#include "errno.h"
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#include "semaphore.h"
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#include "private/time.h"
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#if POSIX_CFG_SEM_EN > 0u
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__NOTSUPP__ int sem_close(sem_t *sem)
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{
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return EOPNOTSUPP;
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}
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__API__ int sem_destroy(sem_t *sem)
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{
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k_err_t kerr;
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TOS_PTR_SANITY_CHECK_RC(sem, EINVAL);
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kerr = tos_sem_destroy((k_sem_t *)sem);
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if (kerr == K_ERR_NONE) {
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return 0;
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}
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return EINVAL;
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}
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__API__ int sem_getvalue(sem_t *sem, int *sval)
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{
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TOS_PTR_SANITY_CHECK_RC(sem, EINVAL);
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TOS_PTR_SANITY_CHECK_RC(sval, EINVAL);
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*sval = ((k_sem_t *)sem)->count;
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return 0;
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}
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__API__ int sem_init(sem_t *sem, int pshared, unsigned value)
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{
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k_err_t kerr;
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TOS_PTR_SANITY_CHECK_RC(sem, EINVAL);
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kerr = tos_sem_create((k_sem_t *)sem, value);
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if (kerr == K_ERR_NONE) {
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return 0;
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}
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return EINVAL;
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}
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__NOTSUPP__ sem_t *sem_open(const char *name, int oflag, ...)
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{
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return K_NULL;
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}
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__API__ int sem_post(sem_t *sem)
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{
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k_err_t kerr;
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TOS_PTR_SANITY_CHECK_RC(sem, EINVAL);
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kerr = tos_sem_post((k_sem_t *)sem);
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if (kerr == K_ERR_NONE) {
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return 0;
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}
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return EINVAL;
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}
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__API__ int sem_timedwait(sem_t *sem, const struct timespec *abstime)
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{
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k_err_t kerr;
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k_tick_t ktick;
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TOS_PTR_SANITY_CHECK_RC(sem, EINVAL);
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ktick = timespec_to_ktick(abstime);
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kerr = tos_sem_pend((k_sem_t *)sem, ktick);
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if (kerr == K_ERR_NONE) {
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return 0;
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}
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return EINVAL;
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}
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__API__ int sem_trywait(sem_t *sem)
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{
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k_err_t kerr;
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TOS_PTR_SANITY_CHECK_RC(sem, EINVAL);
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kerr = tos_sem_pend((k_sem_t *)sem, TOS_TIME_NOWAIT);
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if (kerr == K_ERR_NONE) {
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return 0;
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}
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return EINVAL;
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}
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__NOTSUPP__ int sem_unlink(const char *name)
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{
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return EOPNOTSUPP;
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}
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__API__ int sem_wait(sem_t *sem)
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{
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k_err_t kerr;
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TOS_PTR_SANITY_CHECK_RC(sem, EINVAL);
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kerr = tos_sem_pend((k_sem_t *)sem, TOS_TIME_FOREVER);
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if (kerr == K_ERR_NONE) {
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return 0;
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}
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return EINVAL;
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}
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#endif /* POSIX_CFG_SEM_EN */
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