diff options
Diffstat (limited to 'docs/examples/opensslthreadlock.c')
| -rw-r--r-- | docs/examples/opensslthreadlock.c | 41 |
1 files changed, 21 insertions, 20 deletions
diff --git a/docs/examples/opensslthreadlock.c b/docs/examples/opensslthreadlock.c index ad54f08e..eebc42ee 100644 --- a/docs/examples/opensslthreadlock.c +++ b/docs/examples/opensslthreadlock.c @@ -5,11 +5,11 @@ * | (__| |_| | _ <| |___ * \___|\___/|_| \_\_____| * - * Copyright (C) 1998 - 2011, Daniel Stenberg, <daniel@haxx.se>, et al. + * Copyright (C) 1998 - 2016, Daniel Stenberg, <daniel@haxx.se>, et al. * * 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 http://curl.haxx.se/docs/copyright.html. + * are also available at https://curl.haxx.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 @@ -19,16 +19,17 @@ * KIND, either express or implied. * ***************************************************************************/ -/* Example source code to show one way to set the necessary OpenSSL locking - * callbacks if you want to do multi-threaded transfers with HTTPS/FTPS with - * libcurl built to use OpenSSL. - * +/* <DESC> + * one way to set the necessary OpenSSL locking callbacks if you want to do + * multi-threaded transfers with HTTPS/FTPS with libcurl built to use OpenSSL. + * </DESC> + */ +/* * This is not a complete stand-alone example. * * Author: Jeremy Brown */ - #include <stdio.h> #include <pthread.h> #include <openssl/err.h> @@ -38,22 +39,22 @@ #define MUTEX_CLEANUP(x) pthread_mutex_destroy(&(x)) #define MUTEX_LOCK(x) pthread_mutex_lock(&(x)) #define MUTEX_UNLOCK(x) pthread_mutex_unlock(&(x)) -#define THREAD_ID pthread_self( ) +#define THREAD_ID pthread_self() -void handle_error(const char *file, int lineno, const char *msg){ - fprintf(stderr, "** %s:%d %s\n", file, lineno, msg); - ERR_print_errors_fp(stderr); - /* exit(-1); */ - } +void handle_error(const char *file, int lineno, const char *msg) +{ + fprintf(stderr, "** %s:%d %s\n", file, lineno, msg); + ERR_print_errors_fp(stderr); + /* exit(-1); */ +} /* This array will store all of the mutexes available to OpenSSL. */ static MUTEX_TYPE *mutex_buf= NULL; - static void locking_function(int mode, int n, const char * file, int line) { - if (mode & CRYPTO_LOCK) + if(mode & CRYPTO_LOCK) MUTEX_LOCK(mutex_buf[n]); else MUTEX_UNLOCK(mutex_buf[n]); @@ -68,10 +69,10 @@ int thread_setup(void) { int i; - mutex_buf = malloc(CRYPTO_num_locks( ) * sizeof(MUTEX_TYPE)); - if (!mutex_buf) + mutex_buf = malloc(CRYPTO_num_locks() * sizeof(MUTEX_TYPE)); + if(!mutex_buf) return 0; - for (i = 0; i < CRYPTO_num_locks( ); i++) + for(i = 0; i < CRYPTO_num_locks(); i++) MUTEX_SETUP(mutex_buf[i]); CRYPTO_set_id_callback(id_function); CRYPTO_set_locking_callback(locking_function); @@ -82,11 +83,11 @@ int thread_cleanup(void) { int i; - if (!mutex_buf) + if(!mutex_buf) return 0; CRYPTO_set_id_callback(NULL); CRYPTO_set_locking_callback(NULL); - for (i = 0; i < CRYPTO_num_locks( ); i++) + for(i = 0; i < CRYPTO_num_locks(); i++) MUTEX_CLEANUP(mutex_buf[i]); free(mutex_buf); mutex_buf = NULL; |