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stubs.cpp
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stubs.cpp
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#include "mednafen/mednafen-types.h"
#include "mednafen/mednafen.h"
#include "mednafen/md5.h"
#include "mednafen/git.h"
#include "mednafen/general.h"
#include "mednafen/mednafen-driver.h"
#include "libretro.h"
extern retro_log_printf_t log_cb;
#if defined(__CELLOS_LV2__)
#include <sys/timer.h>
#include <ppu_intrinsics.h>
#endif
#ifdef _WIN32
#include <io.h>
#ifdef _XBOX
#include <xtl.h>
#else
#include <windows.h>
#endif
#else
#include <unistd.h>
#endif
#include <iostream>
// Stubs
extern std::string retro_base_directory;
extern std::string retro_base_name;
extern std::string retro_save_directory;
#ifdef _WIN32
static void sanitize_path(std::string &path)
{
size_t size = path.size();
for (size_t i = 0; i < size; i++)
if (path[i] == '/')
path[i] = '\\';
}
#endif
// Use a simpler approach to make sure that things go right for libretro.
std::string MDFN_MakeFName(MakeFName_Type type, int id1, const char *cd1)
{
char slash;
#ifdef _WIN32
slash = '\\';
#else
slash = '/';
#endif
std::string ret;
switch (type)
{
case MDFNMKF_SAV:
ret = retro_save_directory +slash + retro_base_name +
std::string(".") +
#ifndef _XBOX
md5_context::asciistr(MDFNGameInfo->MD5, 0) + std::string(".") +
#endif
std::string(cd1);
break;
case MDFNMKF_FIRMWARE:
ret = retro_base_directory + slash + std::string(cd1);
#ifdef _WIN32
sanitize_path(ret); // Because Windows path handling is mongoloid.
#endif
break;
default:
break;
}
if (log_cb)
log_cb(RETRO_LOG_INFO, "MDFN_MakeFName: %s\n", ret.c_str());
return ret;
}
void MDFND_DispMessage(unsigned char *str)
{
if (log_cb)
log_cb(RETRO_LOG_INFO, "%s\n", str);
}
void MDFND_Message(const char *str)
{
if (log_cb)
log_cb(RETRO_LOG_INFO, "%s\n", str);
}
void MDFND_MidSync(const EmulateSpecStruct *)
{}
void MDFN_MidLineUpdate(EmulateSpecStruct *espec, int y)
{
//MDFND_MidLineUpdate(espec, y);
}
void MDFND_PrintError(const char* err)
{
if (log_cb)
log_cb(RETRO_LOG_ERROR, "%s\n", err);
}
void MDFND_Sleep(unsigned int time)
{
#if defined(_WIN32)
Sleep(time);
#elif defined(__CELLOS_LV2__)
sys_timer_usleep(time * 1000);
#else
usleep(time * 1000);
#endif
}
#ifdef WANT_THREADING
#include "thread.h"
#include <stdlib.h>
#if defined(_WIN32) && !defined(_XBOX)
#define WIN32_LEAN_AND_MEAN
#include <windows.h>
#elif defined(_XBOX)
#include <xtl.h>
#elif defined(GEKKO)
#include "thread/gx_pthread.h"
#else
#include <pthread.h>
#include <time.h>
#endif
#ifdef __MACH__
#include <mach/clock.h>
#include <mach/mach.h>
#endif
struct thread_data
{
void (*func)(void*);
void *userdata;
};
#ifdef _WIN32
struct sthread
{
HANDLE thread;
};
static DWORD CALLBACK thread_wrap(void *data_)
{
struct thread_data *data = (struct thread_data*)data_;
data->func(data->userdata);
free(data);
return 0;
}
sthread_t *sthread_create(void (*thread_func)(void*), void *userdata)
{
sthread_t *thread = (sthread_t*)calloc(1, sizeof(*thread));
if (!thread)
return NULL;
struct thread_data *data = (struct thread_data*)calloc(1, sizeof(*data));
if (!data)
{
free(thread);
return NULL;
}
data->func = thread_func;
data->userdata = userdata;
thread->thread = CreateThread(NULL, 0, thread_wrap, data, 0, NULL);
if (!thread->thread)
{
free(data);
free(thread);
return NULL;
}
return thread;
}
void sthread_join(sthread_t *thread)
{
WaitForSingleObject(thread->thread, INFINITE);
CloseHandle(thread->thread);
free(thread);
}
struct slock
{
CRITICAL_SECTION lock;
};
slock_t *slock_new(void)
{
slock_t *lock = (slock_t*)calloc(1, sizeof(*lock));
if (!lock)
return NULL;
InitializeCriticalSection(&lock->lock);
return lock;
}
void slock_free(slock_t *lock)
{
DeleteCriticalSection(&lock->lock);
free(lock);
}
void slock_lock(slock_t *lock)
{
EnterCriticalSection(&lock->lock);
}
void slock_unlock(slock_t *lock)
{
LeaveCriticalSection(&lock->lock);
}
struct scond
{
HANDLE event;
};
scond_t *scond_new(void)
{
scond_t *cond = (scond_t*)calloc(1, sizeof(*cond));
if (!cond)
return NULL;
cond->event = CreateEvent(NULL, FALSE, FALSE, NULL);
if (!cond->event)
{
free(cond);
return NULL;
}
return cond;
}
void scond_wait(scond_t *cond, slock_t *lock)
{
WaitForSingleObject(cond->event, 0);
slock_unlock(lock);
WaitForSingleObject(cond->event, INFINITE);
slock_lock(lock);
}
int scond_wait_timeout(scond_t *cond, slock_t *lock, unsigned timeout_ms)
{
WaitForSingleObject(cond->event, 0);
slock_unlock(lock);
DWORD res = WaitForSingleObject(cond->event, timeout_ms);
slock_lock(lock);
return res == WAIT_OBJECT_0;
}
void scond_signal(scond_t *cond)
{
SetEvent(cond->event);
}
void scond_free(scond_t *cond)
{
CloseHandle(cond->event);
free(cond);
}
#else
struct sthread
{
pthread_t id;
};
static void *thread_wrap(void *data_)
{
struct thread_data *data = (struct thread_data*)data_;
data->func(data->userdata);
free(data);
return NULL;
}
sthread_t *sthread_create(void (*thread_func)(void*), void *userdata)
{
sthread_t *thr = (sthread_t*)calloc(1, sizeof(*thr));
if (!thr)
return NULL;
struct thread_data *data = (struct thread_data*)calloc(1, sizeof(*data));
if (!data)
{
free(thr);
return NULL;
}
data->func = thread_func;
data->userdata = userdata;
if (pthread_create(&thr->id, NULL, thread_wrap, data) < 0)
{
free(data);
free(thr);
return NULL;
}
return thr;
}
void sthread_join(sthread_t *thread)
{
pthread_join(thread->id, NULL);
free(thread);
}
struct slock
{
pthread_mutex_t lock;
};
slock_t *slock_new(void)
{
slock_t *lock = (slock_t*)calloc(1, sizeof(*lock));
if (!lock)
return NULL;
if (pthread_mutex_init(&lock->lock, NULL) < 0)
{
free(lock);
return NULL;
}
return lock;
}
void slock_free(slock_t *lock)
{
pthread_mutex_destroy(&lock->lock);
free(lock);
}
void slock_lock(slock_t *lock)
{
pthread_mutex_lock(&lock->lock);
}
void slock_unlock(slock_t *lock)
{
pthread_mutex_unlock(&lock->lock);
}
struct scond
{
pthread_cond_t cond;
};
scond_t *scond_new(void)
{
scond_t *cond = (scond_t*)calloc(1, sizeof(*cond));
if (!cond)
return NULL;
if (pthread_cond_init(&cond->cond, NULL) < 0)
{
free(cond);
return NULL;
}
return cond;
}
void scond_free(scond_t *cond)
{
pthread_cond_destroy(&cond->cond);
free(cond);
}
void scond_wait(scond_t *cond, slock_t *lock)
{
pthread_cond_wait(&cond->cond, &lock->lock);
}
void scond_signal(scond_t *cond)
{
pthread_cond_signal(&cond->cond);
}
#endif
MDFN_Thread *MDFND_CreateThread(int (*fn)(void *), void *data)
{
return (MDFN_Thread*)sthread_create((void (*)(void*))fn, data);
}
void MDFND_WaitThread(MDFN_Thread *thr, int *val)
{
sthread_join((sthread_t*)thr);
if (val)
{
*val = 0;
fprintf(stderr, "WaitThread relies on return value.\n");
}
}
void MDFND_KillThread(MDFN_Thread *)
{
fprintf(stderr, "Killing a thread is a BAD IDEA!\n");
}
MDFN_Mutex *MDFND_CreateMutex()
{
return (MDFN_Mutex*)slock_new();
}
void MDFND_DestroyMutex(MDFN_Mutex *lock)
{
slock_free((slock_t*)lock);
}
int MDFND_LockMutex(MDFN_Mutex *lock)
{
slock_lock((slock_t*)lock);
return 0;
}
int MDFND_UnlockMutex(MDFN_Mutex *lock)
{
slock_unlock((slock_t*)lock);
return 0;
}
#endif