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Constantine Sapuntzakis provided initial thread abstraction layer

This commit is contained in:
Yang Tse 2010-01-25 23:46:27 +00:00
parent 340ab2f87f
commit c054b8bfa7
3 changed files with 184 additions and 2 deletions

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@ -11,7 +11,7 @@ CSOURCES = file.c timeval.c base64.c hostip.c progress.c formdata.c \
inet_ntop.c parsedate.c select.c gtls.c sslgen.c tftp.c splay.c \ inet_ntop.c parsedate.c select.c gtls.c sslgen.c tftp.c splay.c \
strdup.c socks.c ssh.c nss.c qssl.c rawstr.c curl_addrinfo.c \ strdup.c socks.c ssh.c nss.c qssl.c rawstr.c curl_addrinfo.c \
socks_gssapi.c socks_sspi.c curl_sspi.c slist.c nonblock.c \ socks_gssapi.c socks_sspi.c curl_sspi.c slist.c nonblock.c \
curl_memrchr.c imap.c pop3.c smtp.c pingpong.c rtsp.c curl_memrchr.c imap.c pop3.c smtp.c pingpong.c rtsp.c curl_threads.c
HHEADERS = arpa_telnet.h netrc.h file.h timeval.h qssl.h hostip.h \ HHEADERS = arpa_telnet.h netrc.h file.h timeval.h qssl.h hostip.h \
progress.h formdata.h cookie.h http.h sendf.h ftp.h url.h dict.h \ progress.h formdata.h cookie.h http.h sendf.h ftp.h url.h dict.h \
@ -23,4 +23,4 @@ HHEADERS = arpa_telnet.h netrc.h file.h timeval.h qssl.h hostip.h \
transfer.h select.h easyif.h multiif.h parsedate.h sslgen.h gtls.h \ transfer.h select.h easyif.h multiif.h parsedate.h sslgen.h gtls.h \
tftp.h sockaddr.h splay.h strdup.h setup_once.h socks.h ssh.h nssg.h \ tftp.h sockaddr.h splay.h strdup.h setup_once.h socks.h ssh.h nssg.h \
curl_base64.h rawstr.h curl_addrinfo.h curl_sspi.h slist.h nonblock.h \ curl_base64.h rawstr.h curl_addrinfo.h curl_sspi.h slist.h nonblock.h \
curl_memrchr.h imap.h pop3.h smtp.h pingpong.h rtsp.h curl_memrchr.h imap.h pop3.h smtp.h pingpong.h rtsp.h curl_threads.h

124
lib/curl_threads.c Normal file
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@ -0,0 +1,124 @@
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2010, 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.
*
* 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.
*
* $Id$
***************************************************************************/
#include "setup.h"
#if defined(USE_THREADS_POSIX)
# ifdef HAVE_PTHREAD_H
# include <pthread.h>
# endif
#elif defined(USE_THREADS_WIN32)
# ifdef HAVE_PROCESS_H
# include <process.h>
# endif
#endif
#include "curl_threads.h"
#define _MPRINTF_REPLACE /* use our functions only */
#include <curl/mprintf.h>
#include "curl_memory.h"
/* The last #include file should be: */
#include "memdebug.h"
#if defined(USE_THREADS_POSIX)
struct curl_actual_call {
unsigned int (*func)(void *);
void *arg;
};
static void *curl_thread_create_thunk(void *arg)
{
struct curl_actual_call * ac = arg;
unsigned int (*func)(void *) = ac->func;
void *real_arg = ac->arg;
free(ac);
(*func)(real_arg);
return 0;
}
curl_thread_t Curl_thread_create(unsigned int (*func) (void*), void *arg)
{
curl_thread_t t;
struct curl_actual_call *ac = malloc(sizeof(struct curl_actual_call));
if(!ac)
return curl_thread_t_null;
ac->func = func;
ac->arg = arg;
if(pthread_create(&t, NULL, curl_thread_create_thunk, ac) != 0) {
free(ac);
return curl_thread_t_null;
}
return t;
}
void Curl_thread_destroy(curl_thread_t hnd)
{
if(hnd != curl_thread_t_null)
pthread_detach(hnd);
}
int Curl_thread_join(curl_thread_t *hnd)
{
int ret = (pthread_join(*hnd, NULL) == 0);
*hnd = curl_thread_t_null;
return ret;
}
#elif defined(USE_THREADS_WIN32)
curl_thread_t Curl_thread_create(unsigned int (CURL_STDCALL *func) (void*), void *arg)
{
#ifdef _WIN32_WCE
return CreateThread(NULL, 0, func, arg, 0, NULL);
#else
return (curl_thread_t)_beginthreadex(NULL, 0, func, arg, 0, NULL);
#endif
}
void Curl_thread_destroy(curl_thread_t hnd)
{
CloseHandle(hnd);
}
int Curl_thread_join(curl_thread_t *hnd)
{
int ret = (WaitForSingleObject(*hnd, INFINITE) == WAIT_OBJECT_0);
Curl_thread_destroy(*hnd);
*hnd = curl_thread_t_null;
return ret;
}
#endif /* USE_THREADS_* */

58
lib/curl_threads.h Normal file
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@ -0,0 +1,58 @@
#ifndef HEADER_CURL_THREADS_H
#define HEADER_CURL_THREADS_H
/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2010, 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.
*
* 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.
*
* $Id$
***************************************************************************/
#include "setup.h"
#if defined(USE_THREADS_POSIX)
# define CURL_STDCALL
# define curl_mutex_t pthread_mutex_t
# define curl_thread_t pthread_t
# define curl_thread_t_null (pthread_t)0
# define Curl_mutex_init(m) pthread_mutex_init(m, NULL)
# define Curl_mutex_acquire(m) pthread_mutex_lock(m)
# define Curl_mutex_release(m) pthread_mutex_unlock(m)
# define Curl_mutex_destroy(m) pthread_mutex_destroy(m)
#elif defined(USE_THREADS_WIN32)
# define CURL_STDCALL __stdcall
# define curl_mutex_t CRITICAL_SECTION
# define curl_thread_t HANDLE
# define curl_thread_t_null (HANDLE)0
# define Curl_mutex_init(m) InitializeCriticalSection(m)
# define Curl_mutex_acquire(m) EnterCriticalSection(m)
# define Curl_mutex_release(m) LeaveCriticalSection(m)
# define Curl_mutex_destroy(m) DeleteCriticalSection(m)
#endif
#if defined(USE_THREADS_POSIX) || defined(USE_THREADS_WIN32)
curl_thread_t Curl_thread_create(unsigned int (CURL_STDCALL *func) (void*),
void *arg);
void Curl_thread_destroy(curl_thread_t hnd);
int Curl_thread_join(curl_thread_t *hnd);
#endif /* USE_THREADS_POSIX || USE_THREADS_WIN32 */
#endif /* HEADER_CURL_THREADS_H */