mirror of
https://github.com/curl/curl.git
synced 2026-04-17 16:41:41 +03:00
625f2c1644
by including headers using "../[header]" when done from C files in subdirectories, we do not need to specify the lib source dir as an include path and we reduce the risk of header name collisions with headers in the SDK using the same file names. Idea-by: Kai Pastor Ref: #16949 Closes #16991
134 lines
4.1 KiB
C
134 lines
4.1 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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* Copyright (C) Hoi-Ho Chan, <hoiho.chan@gmail.com>
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "../curl_setup.h"
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#if defined(USE_MBEDTLS) && \
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((defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)) || \
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defined(_WIN32))
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#if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)
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# include <pthread.h>
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# define MBEDTLS_MUTEX_T pthread_mutex_t
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#elif defined(_WIN32)
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# define MBEDTLS_MUTEX_T HANDLE
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#endif
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#include "mbedtls_threadlock.h"
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#include "../curl_printf.h"
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#include "../curl_memory.h"
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/* The last #include file should be: */
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#include "../memdebug.h"
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/* number of thread locks */
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#define NUMT 2
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/* This array will store all of the mutexes available to Mbedtls. */
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static MBEDTLS_MUTEX_T *mutex_buf = NULL;
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int Curl_mbedtlsthreadlock_thread_setup(void)
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{
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int i;
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mutex_buf = calloc(1, NUMT * sizeof(MBEDTLS_MUTEX_T));
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if(!mutex_buf)
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return 0; /* error, no number of threads defined */
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for(i = 0; i < NUMT; i++) {
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#if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)
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if(pthread_mutex_init(&mutex_buf[i], NULL))
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return 0; /* pthread_mutex_init failed */
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#elif defined(_WIN32)
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mutex_buf[i] = CreateMutex(0, FALSE, 0);
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if(mutex_buf[i] == 0)
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return 0; /* CreateMutex failed */
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#endif /* USE_THREADS_POSIX && HAVE_PTHREAD_H */
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}
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return 1; /* OK */
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}
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int Curl_mbedtlsthreadlock_thread_cleanup(void)
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{
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int i;
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if(!mutex_buf)
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return 0; /* error, no threads locks defined */
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for(i = 0; i < NUMT; i++) {
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#if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)
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if(pthread_mutex_destroy(&mutex_buf[i]))
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return 0; /* pthread_mutex_destroy failed */
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#elif defined(_WIN32)
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if(!CloseHandle(mutex_buf[i]))
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return 0; /* CloseHandle failed */
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#endif /* USE_THREADS_POSIX && HAVE_PTHREAD_H */
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}
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free(mutex_buf);
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mutex_buf = NULL;
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return 1; /* OK */
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}
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int Curl_mbedtlsthreadlock_lock_function(int n)
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{
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if(n < NUMT) {
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#if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)
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if(pthread_mutex_lock(&mutex_buf[n])) {
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DEBUGF(fprintf(stderr,
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"Error: mbedtlsthreadlock_lock_function failed\n"));
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return 0; /* pthread_mutex_lock failed */
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}
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#elif defined(_WIN32)
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if(WaitForSingleObject(mutex_buf[n], INFINITE) == WAIT_FAILED) {
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DEBUGF(fprintf(stderr,
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"Error: mbedtlsthreadlock_lock_function failed\n"));
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return 0; /* pthread_mutex_lock failed */
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}
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#endif /* USE_THREADS_POSIX && HAVE_PTHREAD_H */
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}
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return 1; /* OK */
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}
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int Curl_mbedtlsthreadlock_unlock_function(int n)
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{
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if(n < NUMT) {
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#if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)
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if(pthread_mutex_unlock(&mutex_buf[n])) {
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DEBUGF(fprintf(stderr,
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"Error: mbedtlsthreadlock_unlock_function failed\n"));
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return 0; /* pthread_mutex_unlock failed */
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}
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#elif defined(_WIN32)
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if(!ReleaseMutex(mutex_buf[n])) {
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DEBUGF(fprintf(stderr,
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"Error: mbedtlsthreadlock_unlock_function failed\n"));
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return 0; /* pthread_mutex_lock failed */
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}
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#endif /* USE_THREADS_POSIX && HAVE_PTHREAD_H */
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}
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return 1; /* OK */
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}
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#endif /* USE_MBEDTLS */
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