mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-12-29 13:46:01 +00:00
56 lines
No EOL
1.4 KiB
C
56 lines
No EOL
1.4 KiB
C
#pragma once
|
|
#include <switch/types.h>
|
|
#include <switch/result.h>
|
|
#include <switch/kernel/mutex.h>
|
|
#include <switch/sf/service.h>
|
|
#include <switch/services/sm.h>
|
|
|
|
typedef struct ServiceGuard {
|
|
Mutex mutex;
|
|
u32 refCount;
|
|
} ServiceGuard;
|
|
|
|
NX_INLINE bool serviceGuardBeginInit(ServiceGuard* g)
|
|
{
|
|
mutexLock(&g->mutex);
|
|
return (g->refCount++) == 0;
|
|
}
|
|
|
|
NX_INLINE Result serviceGuardEndInit(ServiceGuard* g, Result rc, void (*cleanupFunc)(void))
|
|
{
|
|
if (R_FAILED(rc)) {
|
|
cleanupFunc();
|
|
--g->refCount;
|
|
}
|
|
mutexUnlock(&g->mutex);
|
|
return rc;
|
|
}
|
|
|
|
NX_INLINE void serviceGuardExit(ServiceGuard* g, void (*cleanupFunc)(void))
|
|
{
|
|
mutexLock(&g->mutex);
|
|
if (g->refCount && (--g->refCount) == 0)
|
|
cleanupFunc();
|
|
mutexUnlock(&g->mutex);
|
|
}
|
|
|
|
#define NX_GENERATE_SERVICE_GUARD_PARAMS(name, _paramdecl, _parampass) \
|
|
\
|
|
static ServiceGuard g_##name##Guard; \
|
|
NX_INLINE Result _##name##Initialize _paramdecl; \
|
|
static void _##name##Cleanup(void); \
|
|
\
|
|
Result name##Initialize _paramdecl \
|
|
{ \
|
|
Result rc = 0; \
|
|
if (serviceGuardBeginInit(&g_##name##Guard)) \
|
|
rc = _##name##Initialize _parampass; \
|
|
return serviceGuardEndInit(&g_##name##Guard, rc, _##name##Cleanup); \
|
|
} \
|
|
\
|
|
void name##Exit(void) \
|
|
{ \
|
|
serviceGuardExit(&g_##name##Guard, _##name##Cleanup); \
|
|
}
|
|
|
|
#define NX_GENERATE_SERVICE_GUARD(name) NX_GENERATE_SERVICE_GUARD_PARAMS(name, (void), ()) |