mirror of
https://github.com/polhenarejos/pico-keys-sdk
synced 2026-06-03 03:43:00 +02:00
120 lines
3.0 KiB
C
120 lines
3.0 KiB
C
/*
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* This file is part of the Pico Keys SDK distribution (https://github.com/polhenarejos/pico-keys-sdk).
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* Copyright (c) 2022 Pol Henarejos.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#ifdef _MSC_VER
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#ifndef _PTHREAD_H_
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#define _PTHREAD_H_
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#include <windows.h>
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#include <stdint.h>
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#include <stdlib.h>
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typedef HANDLE pthread_t;
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typedef CRITICAL_SECTION pthread_mutex_t;
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typedef struct {
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CONDITION_VARIABLE cond;
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} pthread_cond_t;
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// Mutex
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static inline int pthread_mutex_init(pthread_mutex_t *m, void *a) {
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(void)a;
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InitializeCriticalSection(m);
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return 0;
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}
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static inline int pthread_mutex_lock(pthread_mutex_t *m) {
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EnterCriticalSection(m);
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return 0;
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}
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static inline int pthread_mutex_unlock(pthread_mutex_t *m) {
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LeaveCriticalSection(m);
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return 0;
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}
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static inline int pthread_mutex_destroy(pthread_mutex_t *m) {
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DeleteCriticalSection(m);
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return 0;
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}
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static inline int pthread_detach(pthread_t t) {
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CloseHandle(t);
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return 0;
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}
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// Thread
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static DWORD WINAPI thread_entry(LPVOID param) {
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void **args = (void **)param;
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void *(*fn)(void *) = (void *(*)(void *))(uintptr_t)args[0];
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void *arg = args[1];
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fn(arg);
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free(param);
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return 0;
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}
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static inline int pthread_create(pthread_t *t, void *a, void *(*fn)(void *), void *arg) {
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(void)a;
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void **params = malloc(2 * sizeof(void *));
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if (!params) return -1;
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params[0] = (void *)(uintptr_t)fn;
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params[1] = arg;
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*t = CreateThread(NULL, 0, thread_entry, params, 0, NULL);
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return *t ? 0 : -1;
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}
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static inline int pthread_join(pthread_t t, void **ret) {
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WaitForSingleObject(t, INFINITE);
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CloseHandle(t);
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if (ret) *ret = NULL;
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return 0;
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}
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// Condition variable
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static inline int pthread_cond_init(pthread_cond_t *c, void *a) {
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(void)a;
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InitializeConditionVariable(&c->cond);
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return 0;
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}
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static inline int pthread_cond_destroy(pthread_cond_t *c) {
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(void)c;
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return 0;
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}
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static inline int pthread_cond_wait(pthread_cond_t *c, pthread_mutex_t *m) {
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SleepConditionVariableCS(&c->cond, m, INFINITE);
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return 0;
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}
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static inline int pthread_cond_signal(pthread_cond_t *c) {
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WakeConditionVariable(&c->cond);
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return 0;
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}
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static inline int pthread_cond_broadcast(pthread_cond_t *c) {
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WakeAllConditionVariable(&c->cond);
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return 0;
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}
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static inline int pthread_mutex_trylock(pthread_mutex_t *m){
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return TryEnterCriticalSection(m) ? 0 : EBUSY;
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}
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#endif // _PTHREAD_H_
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#endif // _MSC_VER
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