| 1 | /* Creating and controlling threads (native Windows implementation).
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| 2 | Copyright (C) 2005-2022 Free Software Foundation, Inc.
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| 3 |
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| 4 | This file is free software: you can redistribute it and/or modify
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| 5 | it under the terms of the GNU Lesser General Public License as
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| 6 | published by the Free Software Foundation; either version 2.1 of the
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| 7 | License, or (at your option) any later version.
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| 8 |
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| 9 | This file is distributed in the hope that it will be useful,
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| 10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 12 | GNU Lesser General Public License for more details.
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| 13 |
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| 14 | You should have received a copy of the GNU Lesser General Public License
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| 15 | along with this program. If not, see <https://www.gnu.org/licenses/>. */
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| 16 |
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| 17 | /* Written by Bruno Haible <bruno@clisp.org>, 2005.
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| 18 | Based on GCC's gthr-win32.h. */
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| 19 |
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| 20 | #ifndef _WINDOWS_THREAD_H
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| 21 | #define _WINDOWS_THREAD_H
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| 22 |
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| 23 | #define WIN32_LEAN_AND_MEAN /* avoid including junk */
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| 24 | #include <windows.h>
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| 25 |
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| 26 | /* The glwthread_thread_t is a pointer to a structure in memory.
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| 27 | Why not the thread handle? If it were the thread handle, it would be hard
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| 28 | to implement glwthread_thread_self() (since GetCurrentThread () returns a
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| 29 | pseudo-handle, DuplicateHandle (GetCurrentThread ()) returns a handle that
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| 30 | must be closed afterwards, and there is no function for quickly retrieving
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| 31 | a thread handle from its id).
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| 32 | Why not the thread id? I tried it. It did not work: Sometimes ids appeared
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| 33 | that did not belong to running threads, and glthread_join failed with ESRCH.
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| 34 | */
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| 35 | typedef struct glwthread_thread_struct *glwthread_thread_t;
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| 36 |
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| 37 | #ifdef __cplusplus
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| 38 | extern "C" {
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| 39 | #endif
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| 40 |
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| 41 | /* attr is a bit mask, consisting of the following bits: */
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| 42 | #define GLWTHREAD_ATTR_DETACHED 1
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| 43 | extern int glwthread_thread_create (glwthread_thread_t *threadp,
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| 44 | unsigned int attr,
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| 45 | void * (*func) (void *), void *arg);
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| 46 | extern int glwthread_thread_join (glwthread_thread_t thread, void **retvalp);
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| 47 | extern int glwthread_thread_detach (glwthread_thread_t thread);
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| 48 | extern glwthread_thread_t glwthread_thread_self (void);
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| 49 | extern _Noreturn void glwthread_thread_exit (void *retval);
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| 50 |
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| 51 | #ifdef __cplusplus
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| 52 | }
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| 53 | #endif
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| 54 |
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| 55 | #endif /* _WINDOWS_THREAD_H */
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