cen64/os/winapi/thread.h
Derek "Turtle" Roe 8b89df2fdc See long description
Replaced all references to simulation with emulation
Updated copyright year
Updated .gitignore to reduce chances of random files being uploaded to
the repo
Added .gitattributes to normalize all text files, and to ignore binary
files (which includes the logo and the NEC PDF)
2015-07-01 18:44:21 -05:00

81 lines
1.8 KiB
C

//
// os/winapi/thread.h: Multi-threading functions and types.
//
// CEN64: Cycle-Accurate Nintendo 64 Emulator.
// Copyright (C) 2015, Tyler J. Stachecki.
//
// This file is subject to the terms and conditions defined in
// 'LICENSE', which is part of this source code package.
//
#ifndef CEN64_OS_WINAPI_THREAD
#define CEN64_OS_WINAPI_THREAD
#include "common.h"
#include <windows.h>
#define CEN64_THREAD_RETURN_TYPE DWORD
#define CEN64_THREAD_RETURN_VAL 0
// Type definitions.
typedef HANDLE cen64_thread;
typedef DWORD (*cen64_thread_func)(LPVOID arg);
typedef HANDLE cen64_mutex;
//
// Threads.
//
// Creates a thread and starts executing 'f' within the thread.
static inline int cen64_thread_create(cen64_thread *t,
cen64_thread_func f, void *arg) {
if (likely((*t = CreateThread(NULL, 0, f, arg, 0, NULL)) != NULL))
return 0;
return 1;
}
//
// Join a thread created with cen64_thread_create. Use this to
// effectively "free" the resources acquired for the thread.
//
static inline int cen64_thread_join(cen64_thread *t) {
if (unlikely(WaitForSingleObject(*t, INFINITE) != WAIT_OBJECT_0))
return 1;
return !CloseHandle(*t);
}
//
// Mutexes.
//
// Allocates resources for/initializes a mutex.
static inline int cen64_mutex_create(cen64_mutex *m) {
if (unlikely((*m = CreateMutex(NULL, FALSE, NULL)) == NULL))
return 1;
return 0;
}
// Releases resources acquired by cen64_mutex_create.
static inline int cen64_mutex_destroy(cen64_mutex *m) {
return !CloseHandle(*m);
}
// Locks the mutex passed as an argument.
static inline int cen64_mutex_lock(cen64_mutex *m) {
if (likely(WaitForSingleObject(*m, INFINITE) == WAIT_OBJECT_0))
return 0;
return 1;
}
// Unlocks the mutex passed as an argument.
static inline int cen64_mutex_unlock(cen64_mutex *m) {
return !ReleaseMutex(*m);
}
#endif