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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 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 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.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "curl_setup.h"
#include <curl/curl.h>
#if defined(USE_THREADS_POSIX)
# ifdef HAVE_PTHREAD_H
# include <pthread.h>
# endif
#elif defined(USE_THREADS_WIN32)
# include <process.h>
#endif
#include "curl_threads.h"
#ifdef BUILDING_LIBCURL
#include "curl_memory.h"
#endif
/* 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 = malloc(sizeof(pthread_t));
struct Curl_actual_call *ac = malloc(sizeof(struct Curl_actual_call));
if(!(ac && t))
goto err;
ac->func = func;
ac->arg = arg;
if(pthread_create(t, NULL, curl_thread_create_thunk, ac) != 0)
goto err;
return t;
err:
free(t);
free(ac);
return curl_thread_t_null;
}
void Curl_thread_destroy(curl_thread_t hnd)
{
if(hnd != curl_thread_t_null) {
pthread_detach(*hnd);
free(hnd);
}
}
int Curl_thread_join(curl_thread_t *hnd)
{
int ret = (pthread_join(**hnd, NULL) == 0);
free(*hnd);
*hnd = curl_thread_t_null;
return ret;
}
#elif defined(USE_THREADS_WIN32)
curl_thread_t Curl_thread_create(
#if defined(_WIN32_WCE) || defined(CURL_WINDOWS_APP)
DWORD
#else
unsigned int
#endif
(CURL_STDCALL *func) (void *),
void *arg)
{
#if defined(_WIN32_WCE) || defined(CURL_WINDOWS_APP)
typedef HANDLE curl_win_thread_handle_t;
#else
typedef uintptr_t curl_win_thread_handle_t;
#endif
curl_thread_t t;
curl_win_thread_handle_t thread_handle;
#if defined(_WIN32_WCE) || defined(CURL_WINDOWS_APP)
thread_handle = CreateThread(NULL, 0, func, arg, 0, NULL);
#else
thread_handle = _beginthreadex(NULL, 0, func, arg, 0, NULL);
#endif
t = (curl_thread_t)thread_handle;
if((t == 0) || (t == LongToHandle(-1L))) {
#ifdef _WIN32_WCE
DWORD gle = GetLastError();
errno = ((gle == ERROR_ACCESS_DENIED ||
gle == ERROR_NOT_ENOUGH_MEMORY) ?
EACCES : EINVAL);
#endif
return curl_thread_t_null;
}
return t;
}
void Curl_thread_destroy(curl_thread_t hnd)
{
if(hnd != curl_thread_t_null)
CloseHandle(hnd);
}
int Curl_thread_join(curl_thread_t *hnd)
{
#if !defined(_WIN32_WINNT) || !defined(_WIN32_WINNT_VISTA) || \
(_WIN32_WINNT < _WIN32_WINNT_VISTA)
int ret = (WaitForSingleObject(*hnd, INFINITE) == WAIT_OBJECT_0);
#else
int ret = (WaitForSingleObjectEx(*hnd, INFINITE, FALSE) == WAIT_OBJECT_0);
#endif
Curl_thread_destroy(*hnd);
*hnd = curl_thread_t_null;
return ret;
}
#endif /* USE_THREADS_* */
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