mirror of
https://github.com/Huntereb/Awoo-Installer
synced 2024-11-26 21:50:26 +00:00
74 lines
2.3 KiB
C
Executable file
74 lines
2.3 KiB
C
Executable file
/*
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Copyright (c) 2017-2018 Adubbz
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#pragma once
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#include <switch.h>
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typedef struct ServiceGuard {
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Mutex mutex;
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u32 refCount;
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} ServiceGuard;
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NX_INLINE bool serviceGuardBeginInit(ServiceGuard* g)
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{
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mutexLock(&g->mutex);
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return (g->refCount++) == 0;
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}
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NX_INLINE Result serviceGuardEndInit(ServiceGuard* g, Result rc, void (*cleanupFunc)(void))
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{
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if (R_FAILED(rc)) {
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cleanupFunc();
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--g->refCount;
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}
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mutexUnlock(&g->mutex);
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return rc;
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}
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NX_INLINE void serviceGuardExit(ServiceGuard* g, void (*cleanupFunc)(void))
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{
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mutexLock(&g->mutex);
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if (g->refCount && (--g->refCount) == 0)
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cleanupFunc();
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mutexUnlock(&g->mutex);
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}
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#define NX_GENERATE_SERVICE_GUARD_PARAMS(name, _paramdecl, _parampass) \
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\
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static ServiceGuard g_##name##Guard; \
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NX_INLINE Result _##name##Initialize _paramdecl; \
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static void _##name##Cleanup(void); \
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\
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Result name##Initialize _paramdecl \
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{ \
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Result rc = 0; \
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if (serviceGuardBeginInit(&g_##name##Guard)) \
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rc = _##name##Initialize _parampass; \
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return serviceGuardEndInit(&g_##name##Guard, rc, _##name##Cleanup); \
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} \
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\
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void name##Exit(void) \
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{ \
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serviceGuardExit(&g_##name##Guard, _##name##Cleanup); \
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}
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#define NX_GENERATE_SERVICE_GUARD(name) NX_GENERATE_SERVICE_GUARD_PARAMS(name, (void), ())
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