Artifact 4742ef8bb490d960a6654faa4c18d04fa1ecb0e7f5d305cdc99a1e0be952d534:
- File
src/OFTLSKey.h
— part of check-in
[0c3c3b6efa]
at
2024-05-01 15:19:55
on branch trunk
— Document a lot of undocumented functions & macros
Also fixes Doxygen not creating documentation for `static OF_INLINE`
functions. (user: js, size: 3258) [annotate] [blame] [check-ins using] [more...]
/* * Copyright (c) 2008-2024 Jonathan Schleifer <js@nil.im> * * All rights reserved. * * This program is free software: you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License version 3.0 only, * as published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License * version 3.0 for more details. * * You should have received a copy of the GNU Lesser General Public License * version 3.0 along with this program. If not, see * <https://www.gnu.org/licenses/>. */ #include "objfw-defs.h" #include <errno.h> #include "platform.h" #if !defined(OF_HAVE_THREADS) || \ (!defined(OF_HAVE_PTHREADS) && !defined(OF_WINDOWS) && !defined(OF_AMIGAOS)) # error No thread-local storage available! #endif #import "macros.h" /** @file */ #if defined(OF_HAVE_PTHREADS) # include <pthread.h> typedef pthread_key_t OFTLSKey; #elif defined(OF_WINDOWS) # include <windows.h> typedef DWORD OFTLSKey; #elif defined(OF_MORPHOS) # include <proto/exec.h> typedef ULONG OFTLSKey; #elif defined(OF_AMIGAOS) typedef struct _OFTLSKey { struct objc_hashtable *table; struct _OFTLSKey *next, *previous; } *OFTLSKey; #endif #ifdef __cplusplus extern "C" { #endif /** * @brief Creates a new Thread Local Storage key. * * @param key A pointer to the key to create * @return 0 on success, or an error number from `<errno.h>` on error */ extern int OFTLSKeyNew(OFTLSKey *key); /** * @brief Destroys the specified Thread Local Storage key. * * @param key A pointer to the key to destroy * @return 0 on success, or an error number from `<errno.h>` on error */ extern int OFTLSKeyFree(OFTLSKey key); #ifdef __cplusplus } #endif /* TLS keys are inlined for performance. */ #if defined(OF_HAVE_PTHREADS) || defined(DOXYGEN) /** * @brief Returns the current value for the specified Thread Local Storage key. * * @param key A pointer to the key whose value to return * @return The current value for the specified Thread Local Storage key */ static OF_INLINE void * OFTLSKeyGet(OFTLSKey key) { return pthread_getspecific(key); } /** * @brief Sets the current value for the specified Thread Local Storage key. * * @param key A pointer to the key whose value to set * @param value The new value for the key */ static OF_INLINE int OFTLSKeySet(OFTLSKey key, void *value) { return pthread_setspecific(key, value); } #elif defined(OF_WINDOWS) static OF_INLINE void * OFTLSKeyGet(OFTLSKey key) { return TlsGetValue(key); } static OF_INLINE int OFTLSKeySet(OFTLSKey key, void *value) { return (TlsSetValue(key, value) ? 0 : EINVAL); } #elif defined(OF_MORPHOS) static OF_INLINE void * OFTLSKeyGet(OFTLSKey key) { return (void *)TLSGetValue(key); } static OF_INLINE int OFTLSKeySet(OFTLSKey key, void *value) { return (TLSSetValue(key, (APTR)value) ? 0 : EINVAL); } #elif defined(OF_AMIGAOS) /* Those are too big too inline. */ # ifdef __cplusplus extern "C" { # endif extern void *OFTLSKeyGet(OFTLSKey key); extern int OFTLSKeySet(OFTLSKey key, void *value); # ifdef __cplusplus } # endif #endif