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/* Creating and controlling threads (native Windows implementation).
Copyright (C) 2005-2022 Free Software Foundation, Inc.
This file is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
This file is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>. */
/* Written by Bruno Haible <bruno@clisp.org>, 2005.
Based on GCC's gthr-win32.h. */
#ifndef _WINDOWS_THREAD_H
#define _WINDOWS_THREAD_H
#define WIN32_LEAN_AND_MEAN /* avoid including junk */
#include <windows.h>
/* The glwthread_thread_t is a pointer to a structure in memory.
Why not the thread handle? If it were the thread handle, it would be hard
to implement glwthread_thread_self() (since GetCurrentThread () returns a
pseudo-handle, DuplicateHandle (GetCurrentThread ()) returns a handle that
must be closed afterwards, and there is no function for quickly retrieving
a thread handle from its id).
Why not the thread id? I tried it. It did not work: Sometimes ids appeared
that did not belong to running threads, and glthread_join failed with ESRCH.
*/
typedef struct glwthread_thread_struct *glwthread_thread_t;
#ifdef __cplusplus
extern "C" {
#endif
/* attr is a bit mask, consisting of the following bits: */
#define GLWTHREAD_ATTR_DETACHED 1
extern int glwthread_thread_create (glwthread_thread_t *threadp,
unsigned int attr,
void * (*func) (void *), void *arg);
extern int glwthread_thread_join (glwthread_thread_t thread, void **retvalp);
extern int glwthread_thread_detach (glwthread_thread_t thread);
extern glwthread_thread_t glwthread_thread_self (void);
extern _Noreturn void glwthread_thread_exit (void *retval);
#ifdef __cplusplus
}
#endif
#endif /* _WINDOWS_THREAD_H */
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