33 lines
607 B
C
33 lines
607 B
C
/*
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* SPDX-FileCopyrightText: 2024 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdio.h>
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#include <sys/lock.h>
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#include <sys/reent.h>
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void flockfile(FILE *fp)
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{
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if (fp && !(fp->_flags & __SSTR)) {
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__lock_acquire_recursive(fp->_lock);
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}
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}
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int ftrylockfile(FILE *fp)
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{
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if (fp && !(fp->_flags & __SSTR)) {
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return __lock_try_acquire_recursive(fp->_lock);
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}
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return 0;
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}
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void funlockfile(FILE *fp)
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{
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if (fp && !(fp->_flags & __SSTR)) {
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__lock_release_recursive(fp->_lock);
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}
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}
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