mirror of
https://github.com/moparisthebest/curl
synced 2024-11-13 21:15:08 -05:00
145 lines
4.5 KiB
C
145 lines
4.5 KiB
C
/***************************************************************************
|
|
* _ _ ____ _
|
|
* Project ___| | | | _ \| |
|
|
* / __| | | | |_) | |
|
|
* | (__| |_| | _ <| |___
|
|
* \___|\___/|_| \_\_____|
|
|
*
|
|
* Copyright (C) 2013 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
|
|
* Copyright (C) 2010, 2011, Hoi-Ho Chan, <hoiho.chan@gmail.com>
|
|
*
|
|
* This software is licensed as described in the file COPYING, which
|
|
* you should have received as part of this distribution. The terms
|
|
* are also available at https://curl.se/docs/copyright.html.
|
|
*
|
|
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
|
|
* copies of the Software, and permit persons to whom the Software is
|
|
* furnished to do so, under the terms of the COPYING file.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
***************************************************************************/
|
|
#include "curl_setup.h"
|
|
|
|
#if defined(USE_MBEDTLS) && \
|
|
((defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)) || \
|
|
(defined(USE_THREADS_WIN32) && defined(HAVE_PROCESS_H)))
|
|
|
|
#if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)
|
|
# include <pthread.h>
|
|
# define MBEDTLS_MUTEX_T pthread_mutex_t
|
|
#elif defined(USE_THREADS_WIN32) && defined(HAVE_PROCESS_H)
|
|
# include <process.h>
|
|
# define MBEDTLS_MUTEX_T HANDLE
|
|
#endif
|
|
|
|
#include "mbedtls_threadlock.h"
|
|
#include "curl_printf.h"
|
|
#include "curl_memory.h"
|
|
/* The last #include file should be: */
|
|
#include "memdebug.h"
|
|
|
|
/* number of thread locks */
|
|
#define NUMT 2
|
|
|
|
/* This array will store all of the mutexes available to Mbedtls. */
|
|
static MBEDTLS_MUTEX_T *mutex_buf = NULL;
|
|
|
|
int Curl_mbedtlsthreadlock_thread_setup(void)
|
|
{
|
|
int i;
|
|
|
|
mutex_buf = calloc(NUMT * sizeof(MBEDTLS_MUTEX_T), 1);
|
|
if(!mutex_buf)
|
|
return 0; /* error, no number of threads defined */
|
|
|
|
for(i = 0; i < NUMT; i++) {
|
|
int ret;
|
|
#if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)
|
|
ret = pthread_mutex_init(&mutex_buf[i], NULL);
|
|
if(ret)
|
|
return 0; /* pthread_mutex_init failed */
|
|
#elif defined(USE_THREADS_WIN32) && defined(HAVE_PROCESS_H)
|
|
mutex_buf[i] = CreateMutex(0, FALSE, 0);
|
|
if(mutex_buf[i] == 0)
|
|
return 0; /* CreateMutex failed */
|
|
#endif /* USE_THREADS_POSIX && HAVE_PTHREAD_H */
|
|
}
|
|
|
|
return 1; /* OK */
|
|
}
|
|
|
|
int Curl_mbedtlsthreadlock_thread_cleanup(void)
|
|
{
|
|
int i;
|
|
|
|
if(!mutex_buf)
|
|
return 0; /* error, no threads locks defined */
|
|
|
|
for(i = 0; i < NUMT; i++) {
|
|
int ret;
|
|
#if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)
|
|
ret = pthread_mutex_destroy(&mutex_buf[i]);
|
|
if(ret)
|
|
return 0; /* pthread_mutex_destroy failed */
|
|
#elif defined(USE_THREADS_WIN32) && defined(HAVE_PROCESS_H)
|
|
ret = CloseHandle(mutex_buf[i]);
|
|
if(!ret)
|
|
return 0; /* CloseHandle failed */
|
|
#endif /* USE_THREADS_POSIX && HAVE_PTHREAD_H */
|
|
}
|
|
free(mutex_buf);
|
|
mutex_buf = NULL;
|
|
|
|
return 1; /* OK */
|
|
}
|
|
|
|
int Curl_mbedtlsthreadlock_lock_function(int n)
|
|
{
|
|
if(n < NUMT) {
|
|
int ret;
|
|
#if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)
|
|
ret = pthread_mutex_lock(&mutex_buf[n]);
|
|
if(ret) {
|
|
DEBUGF(fprintf(stderr,
|
|
"Error: mbedtlsthreadlock_lock_function failed\n"));
|
|
return 0; /* pthread_mutex_lock failed */
|
|
}
|
|
#elif defined(USE_THREADS_WIN32) && defined(HAVE_PROCESS_H)
|
|
ret = (WaitForSingleObject(mutex_buf[n], INFINITE) == WAIT_FAILED?1:0);
|
|
if(ret) {
|
|
DEBUGF(fprintf(stderr,
|
|
"Error: mbedtlsthreadlock_lock_function failed\n"));
|
|
return 0; /* pthread_mutex_lock failed */
|
|
}
|
|
#endif /* USE_THREADS_POSIX && HAVE_PTHREAD_H */
|
|
}
|
|
return 1; /* OK */
|
|
}
|
|
|
|
int Curl_mbedtlsthreadlock_unlock_function(int n)
|
|
{
|
|
if(n < NUMT) {
|
|
int ret;
|
|
#if defined(USE_THREADS_POSIX) && defined(HAVE_PTHREAD_H)
|
|
ret = pthread_mutex_unlock(&mutex_buf[n]);
|
|
if(ret) {
|
|
DEBUGF(fprintf(stderr,
|
|
"Error: mbedtlsthreadlock_unlock_function failed\n"));
|
|
return 0; /* pthread_mutex_unlock failed */
|
|
}
|
|
#elif defined(USE_THREADS_WIN32) && defined(HAVE_PROCESS_H)
|
|
ret = ReleaseMutex(mutex_buf[n]);
|
|
if(!ret) {
|
|
DEBUGF(fprintf(stderr,
|
|
"Error: mbedtlsthreadlock_unlock_function failed\n"));
|
|
return 0; /* pthread_mutex_lock failed */
|
|
}
|
|
#endif /* USE_THREADS_POSIX && HAVE_PTHREAD_H */
|
|
}
|
|
return 1; /* OK */
|
|
}
|
|
|
|
#endif /* USE_MBEDTLS */
|