ObjFW  Check-in [cc3a4a7b43]

# if defined(OF_HAVE_COMPILER_TLS)
static thread_local struct page *firstPage = NULL;
static thread_local struct page *lastPage = NULL;
static thread_local struct page **preallocatedPages = NULL;
static thread_local size_t numPreallocatedPages = 0;
# elif defined(OF_HAVE_THREADS)
static of_tlskey_t firstPageKey, lastPageKey;
static of_tlskey_t preallocatedPagesKey, numPreallocatedPagesKey;
# else
static struct page *firstPage = NULL;
static struct page *lastPage = NULL;
static struct page **preallocatedPages = NULL;
static size_t numPreallocatedPages = 0;
# endif

# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
	struct page *lastPage;
# endif

	if (allowPreallocated) {
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
		uintptr_t numPreallocatedPages =
		    (uintptr_t)of_tlskey_get(numPreallocatedPagesKey);
# endif

		if (numPreallocatedPages > 0) {
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
			struct page **preallocatedPages =
			    of_tlskey_get(preallocatedPagesKey);
# endif

			numPreallocatedPages--;
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
			OF_ENSURE(of_tlskey_set(numPreallocatedPagesKey,
			    (void *)numPreallocatedPages) == 0);
# endif

			page = preallocatedPages[numPreallocatedPages];

			if (numPreallocatedPages == 0) {
				free(preallocatedPages);
				preallocatedPages = NULL;
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
				OF_ENSURE(of_tlskey_set(preallocatedPagesKey,
				    preallocatedPages) == 0);
# endif
			}

			return page;
		}
	}

		free(page->map);
		free(page);
		@throw e;
	}
	of_explicit_memset(page->page, 0, pageSize);

# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
	lastPage = of_tlskey_get(lastPageKey);
# endif

	page->previous = lastPage;
	page->next = NULL;

	if (lastPage != NULL)
		lastPage->next = page;

# if defined(OF_HAVE_COMPILER_TLS) || !defined(OF_HAVE_THREADS)
	lastPage = page;

	if (firstPage == NULL)
		firstPage = page;
# else
	OF_ENSURE(of_tlskey_set(lastPageKey, page) == 0);

	if (of_tlskey_get(firstPageKey) == NULL)
		OF_ENSURE(of_tlskey_set(firstPageKey, page) == 0);
# endif

	return page;
}

static void
removePageIfEmpty(struct page *page)

# if defined(OF_HAVE_COMPILER_TLS) || !defined(OF_HAVE_THREADS)
	if (firstPage == page)
		firstPage = page->next;
	if (lastPage == page)
		lastPage = page->previous;
# else
	if (of_tlskey_get(firstPageKey) == page)
		OF_ENSURE(of_tlskey_set(firstPageKey, page->next) == 0);
	if (of_tlskey_get(lastPageKey) == page)
		OF_ENSURE(of_tlskey_set(lastPageKey, page->previous) == 0);
# endif

	free(page);
}

static void *
allocateMemory(struct page *page, size_t bytes)

#if defined(HAVE_MMAP) && defined(HAVE_MLOCK) && defined(MAP_ANON) && \
    !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
+ (void)initialize
{
	if (self != [OFSecureData class])
		return;

	if (of_tlskey_new(&firstPageKey) != 0 ||
	    of_tlskey_new(&lastPageKey) != 0 ||
	    of_tlskey_new(&preallocatedPagesKey) != 0 ||
	    of_tlskey_new(&numPreallocatedPagesKey) != 0)
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
}
#endif

+ (void)preallocateUnswappableMemoryWithSize: (size_t)size
{
#if defined(HAVE_MMAP) && defined(HAVE_MLOCK) && defined(MAP_ANON)
	size_t pageSize = [OFSystemInfo pageSize];
	size_t numPages = OF_ROUND_UP_POW2(pageSize, size) / pageSize;
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
	struct page **preallocatedPages = of_tlskey_get(preallocatedPagesKey);
	size_t numPreallocatedPages;
# endif
	size_t i;

	if (preallocatedPages != NULL)
		@throw [OFInvalidArgumentException exception];

	preallocatedPages = of_alloc_zeroed(numPages, sizeof(struct page));
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
	OF_ENSURE(of_tlskey_set(preallocatedPagesKey, preallocatedPages) == 0);
# endif

	@try {
		for (i = 0; i < numPages; i++)
			preallocatedPages[i] = addPage(false);
	} @catch (id e) {
		for (size_t j = 0; j < i; j++)
			removePageIfEmpty(preallocatedPages[j]);

		free(preallocatedPages);
		preallocatedPages = NULL;

		@throw e;
	}

	numPreallocatedPages = numPages;
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
	OF_ENSURE(of_tlskey_set(numPreallocatedPagesKey,
	    (void *)(uintptr_t)numPreallocatedPages) == 0);
# endif
#else
	@throw [OFNotImplementedException exceptionWithSelector: _cmd
							 object: self];
#endif
}

			memset(_items, 0, count * itemSize);
#if defined(HAVE_MMAP) && defined(HAVE_MLOCK) && defined(MAP_ANON)
		} else if (count * itemSize >= pageSize)
			_items = mapPages(OF_ROUND_UP_POW2(pageSize,
			    count * itemSize) / pageSize);
		else {
# if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
			struct page *lastPage = of_tlskey_get(lastPageKey);
# endif

			for (struct page *page = lastPage; page != NULL;
			    page = page->previous) {
				_items = allocateMemory(page, count * itemSize);

				if (_items != NULL) {

#if defined(OF_HAVE_THREADS)
# import "tlskey.h"
# if defined(OF_AMIGAOS) && defined(OF_HAVE_SOCKETS)
#  import "socket.h"
# endif

static of_tlskey_t threadSelfKey;
static OFThread *mainThread;
#elif defined(OF_HAVE_SOCKETS)
static OFDNSResolver *DNSResolver;
#endif

@implementation OFThread
#ifdef OF_HAVE_THREADS
static void
callMain(id object)
{
	OFThread *thread = (OFThread *)object;
	OFString *name;

	if (of_tlskey_set(threadSelfKey, thread) != 0)
		@throw [OFInitializationFailedException
		    exceptionWithClass: thread.class];

#ifndef OF_OBJFW_RUNTIME
	thread->_pool = objc_autoreleasePoolPush();
#endif

# endif

+ (void)initialize
{
	if (self != [OFThread class])
		return;

	if (of_tlskey_new(&threadSelfKey) != 0)
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
}

+ (instancetype)thread
{
	return [[[self alloc] init] autorelease];
}

# ifdef OF_HAVE_BLOCKS
+ (instancetype)threadWithThreadBlock: (OFThreadBlock)threadBlock
{
	return [[[self alloc] initWithThreadBlock: threadBlock] autorelease];
}
# endif

+ (OFThread *)currentThread
{
	return of_tlskey_get(threadSelfKey);
}

+ (OFThread *)mainThread
{
	return mainThread;
}

+ (bool)isMainThread
{
	if (mainThread == nil)
		return false;

	return (of_tlskey_get(threadSelfKey) == mainThread);
}

+ (OFMutableDictionary *)threadDictionary
{
	OFThread *thread = of_tlskey_get(threadSelfKey);

	if (thread == nil)
		return nil;

	if (thread->_threadDictionary == nil)
		thread->_threadDictionary = [[OFMutableDictionary alloc] init];

	return thread->_threadDictionary;
}
#endif

#ifdef OF_HAVE_SOCKETS
+ (OFDNSResolver *)DNSResolver
{
# ifdef OF_HAVE_THREADS
	OFThread *thread = of_tlskey_get(threadSelfKey);

	if (thread == nil)
		return nil;

	if (thread->_DNSResolver == nil)
		thread->_DNSResolver = [[OFDNSResolver alloc] init];

	 * returns while being declared OF_NO_RETURN.
	 */
	OF_UNREACHABLE
}

+ (void)terminateWithObject: (id)object
{
	OFThread *thread = of_tlskey_get(threadSelfKey);

	if (thread == mainThread)
		@throw [OFInvalidArgumentException exception];

	OF_ENSURE(thread != nil);

	thread->_returnValue = [object retain];

+ (void)of_createMainThread
{
	mainThread = [[OFThread alloc] init];
	mainThread->_thread = of_thread_current();
	mainThread->_running = OF_THREAD_RUNNING;

	if (of_tlskey_set(threadSelfKey, mainThread) != 0)
		@throw [OFInitializationFailedException
		    exceptionWithClass: self];
}

- (instancetype)init
{
	self = [super init];

#if defined(OF_HAVE_RECURSIVE_PTHREAD_MUTEXES) || defined(OF_WINDOWS) || \
    defined(OF_AMIGAOS)
# define of_rmutex_t of_mutex_t
#else
# import "tlskey.h"
typedef struct {
	of_mutex_t mutex;
	of_tlskey_t count;
} of_rmutex_t;
#endif

#ifdef __cplusplus
extern "C" {
#endif
extern int of_mutex_new(of_mutex_t *mutex);

#import "tlskey.h"

#include <dos/dostags.h>
#include <proto/dos.h>
#include <proto/exec.h>

#ifndef OF_MORPHOS
extern void of_tlskey_thread_exited(void);
#endif
static of_tlskey_t threadKey;

OF_CONSTRUCTOR()
{
	OF_ENSURE(of_tlskey_new(&threadKey) == 0);
}

static void
functionWrapper(void)
{
	bool detached = false;
	of_thread_t thread =
	    (of_thread_t)((struct Process *)FindTask(NULL))->pr_ExitData;
	OF_ENSURE(of_tlskey_set(threadKey, thread) == 0);

	thread->function(thread->object);

	ObtainSemaphore(&thread->semaphore);
	@try {
		thread->done = true;

#ifndef OF_MORPHOS
		of_tlskey_thread_exited();
#endif

		if (thread->detached)
			detached = true;
		else if (thread->joinTask != NULL)
			Signal(thread->joinTask, (1ul << thread->joinSigBit));
	} @finally {

	return 0;
}

of_thread_t
of_thread_current(void)
{
	return of_tlskey_get(threadKey);
}

int
of_thread_join(of_thread_t thread)
{
	ObtainSemaphore(&thread->semaphore);

/*
 * As we use this file in both the runtime and ObjFW, and since AmigaOS always
 * has the runtime, use the hashtable from the runtime.
 */
#import "runtime/private.h"

static of_tlskey_t firstKey = NULL, lastKey = NULL;
static struct SignalSemaphore semaphore;
static bool semaphoreInitialized = false;

static uint32_t
hashFunc(const void *ptr)
{
	return (uint32_t)(uintptr_t)ptr;

	if (!semaphoreInitialized) {
		InitSemaphore(&semaphore);
		semaphoreInitialized = true;
	}
}

int
of_tlskey_new(of_tlskey_t *key)
{
	if (!semaphoreInitialized) {
		/*
		 * We might be called from another constructor, while ours has
		 * not run yet. This is safe, as the constructor is definitely
		 * run before a thread is spawned.
		 */

	}

	/* We create the hash table lazily. */
	return 0;
}

int
of_tlskey_free(of_tlskey_t key)
{
	ObtainSemaphore(&semaphore);
	@try {
		if (key->previous != NULL)
			key->previous->next = key->next;
		if (key->next != NULL)
			key->next->previous = key->previous;

		ReleaseSemaphore(&semaphore);
	}

	return 0;
}

void *
of_tlskey_get(of_tlskey_t key)
{
	void *ret;

	ObtainSemaphore(&semaphore);
	@try {
		if (key->table == NULL)
			return NULL;

		ret = objc_hashtable_get(key->table, FindTask(NULL));
	} @finally {
		ReleaseSemaphore(&semaphore);
	}

	return ret;
}

int
of_tlskey_set(of_tlskey_t key, void *ptr)
{
	ObtainSemaphore(&semaphore);
	@try {
		struct Task *task = FindTask(NULL);

		if (key->table == NULL)
			key->table = objc_hashtable_new(hashFunc, equalFunc, 2);

		if (ptr == NULL)
			objc_hashtable_delete(key->table, task);
		else
			objc_hashtable_set(key->table, task, ptr);
	} @finally {
		ReleaseSemaphore(&semaphore);
	}

	return 0;
}

void
of_tlskey_thread_exited(void)
{
	ObtainSemaphore(&semaphore);
	@try {
		struct Task *task = FindTask(NULL);

		for (of_tlskey_t iter = firstKey; iter != NULL;
		    iter = iter->next)
			if (iter->table != NULL)
				objc_hashtable_delete(iter->table, task);
	} @finally {
		ReleaseSemaphore(&semaphore);
	}
}

 */

#include "config.h"

#import "tlskey.h"

int
of_tlskey_new(of_tlskey_t *key)
{
	*key = TLSAllocA(NULL);

	if (*key == TLS_INVALID_INDEX)
		return EAGAIN;

	return 0;
}

int
of_tlskey_free(of_tlskey_t key)
{
	return (TLSFree(key) ? 0 : EINVAL);
}

of_rmutex_new(of_rmutex_t *rmutex)
{
	int error;

	if ((error = of_mutex_new(&rmutex->mutex)) != 0)
		return error;

	if ((error = of_tlskey_new(&rmutex->count)) != 0)
		return error;

	return 0;
}

int
of_rmutex_lock(of_rmutex_t *rmutex)
{
	uintptr_t count = (uintptr_t)of_tlskey_get(rmutex->count);
	int error;

	if (count > 0) {
		if ((error = of_tlskey_set(rmutex->count,
		    (void *)(count + 1))) != 0)
			return error;

		return 0;
	}

	if ((error = of_mutex_lock(&rmutex->mutex)) != 0)
		return error;

	if ((error = of_tlskey_set(rmutex->count, (void *)1)) != 0) {
		of_mutex_unlock(&rmutex->mutex);
		return error;
	}

	return 0;
}

int
of_rmutex_trylock(of_rmutex_t *rmutex)
{
	uintptr_t count = (uintptr_t)of_tlskey_get(rmutex->count);
	int error;

	if (count > 0) {
		if ((error = of_tlskey_set(rmutex->count,
		    (void *)(count + 1))) != 0)
			return error;

		return 0;
	}

	if ((error = of_mutex_trylock(&rmutex->mutex)) != 0)
		return error;

	if ((error = of_tlskey_set(rmutex->count, (void *)1)) != 0) {
		of_mutex_unlock(&rmutex->mutex);
		return error;
	}

	return 0;
}

int
of_rmutex_unlock(of_rmutex_t *rmutex)
{
	uintptr_t count = (uintptr_t)of_tlskey_get(rmutex->count);
	int error;

	if (count > 1) {
		if ((error = of_tlskey_set(rmutex->count,
		    (void *)(count - 1))) != 0)
			return error;

		return 0;
	}

	if ((error = of_tlskey_set(rmutex->count, (void *)0)) != 0)
		return error;

	if ((error = of_mutex_unlock(&rmutex->mutex)) != 0)
		return error;

	return 0;
}

int
of_rmutex_free(of_rmutex_t *rmutex)
{
	int error;

	if ((error = of_mutex_free(&rmutex->mutex)) != 0)
		return error;

	if ((error = of_tlskey_free(rmutex->count)) != 0)
		return error;

	return 0;
}
#endif

 */

#include "config.h"

#import "tlskey.h"

int
of_tlskey_new(of_tlskey_t *key)
{
	return pthread_key_create(key, NULL);
}

int
of_tlskey_free(of_tlskey_t key)
{
	return pthread_key_delete(key);
}

 */

#include "config.h"

#import "tlskey.h"

int
of_tlskey_new(of_tlskey_t *key)
{
	*key = TlsAlloc();

	if (*key == TLS_OUT_OF_INDEXES)
		return EAGAIN;

	return 0;
}

int
of_tlskey_free(of_tlskey_t key)
{
	return (TlsFree(key) ? 0 : EINVAL);
}

#endif

#if defined(OF_HAVE_COMPILER_TLS)
static thread_local id *objects = NULL;
static thread_local uintptr_t count = 0;
static thread_local uintptr_t size = 0;
#elif defined(OF_HAVE_THREADS)
static of_tlskey_t objectsKey, countKey, sizeKey;
#else
static id *objects = NULL;
static uintptr_t count = 0;
static uintptr_t size = 0;
#endif

#if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
OF_CONSTRUCTOR()
{
	OF_ENSURE(of_tlskey_new(&objectsKey) == 0);
	OF_ENSURE(of_tlskey_new(&countKey) == 0);
	OF_ENSURE(of_tlskey_new(&sizeKey) == 0);
}
#endif

void *
objc_autoreleasePoolPush()
{
#if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
	uintptr_t count = (uintptr_t)of_tlskey_get(countKey);
#endif
	return (void *)count;
}

void
objc_autoreleasePoolPop(void *pool)
{
#if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
	id *objects = of_tlskey_get(objectsKey);
	uintptr_t count = (uintptr_t)of_tlskey_get(countKey);
#endif
	uintptr_t idx = (uintptr_t)pool;
	bool freeMem = false;

	if (idx == (uintptr_t)-1) {
		idx++;
		freeMem = true;
	}

	for (uintptr_t i = idx; i < count; i++) {
		[objects[i] release];

#if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
		objects = of_tlskey_get(objectsKey);
		count = (uintptr_t)of_tlskey_get(countKey);
#endif
	}

	count = idx;

	if (freeMem) {
		free(objects);
		objects = NULL;
#if defined(OF_HAVE_COMPILER_TLS) || !defined(OF_HAVE_THREADS)
		size = 0;
#else
		OF_ENSURE(of_tlskey_set(objectsKey, objects) == 0);
		OF_ENSURE(of_tlskey_set(sizeKey, (void *)0) == 0);
#endif
	}

#if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
	OF_ENSURE(of_tlskey_set(countKey, (void *)count) == 0);
#endif
}

id
_objc_rootAutorelease(id object)
{
#if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
	id *objects = of_tlskey_get(objectsKey);
	uintptr_t count = (uintptr_t)of_tlskey_get(countKey);
	uintptr_t size = (uintptr_t)of_tlskey_get(sizeKey);
#endif

	if (count >= size) {
		if (size == 0)
			size = 16;
		else
			size *= 2;

		OF_ENSURE((objects =
		    realloc(objects, size * sizeof(id))) != NULL);

#if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
		OF_ENSURE(of_tlskey_set(objectsKey, objects) == 0);
		OF_ENSURE(of_tlskey_set(sizeKey, (void *)size) == 0);
#endif
	}

	objects[count++] = object;

#if !defined(OF_HAVE_COMPILER_TLS) && defined(OF_HAVE_THREADS)
	OF_ENSURE(of_tlskey_set(countKey, (void *)count) == 0);
#endif

	return object;
}

extern int of_socket_errno(void);
#if !defined(OF_WII) && !defined(OF_NINTENDO_3DS)
extern int of_getsockname(OFSocketHandle sock, struct sockaddr *restrict addr,
    socklen_t *restrict addrLen);
#endif

#if defined(OF_HAVE_THREADS) && defined(OF_AMIGAOS) && !defined(OF_MORPHOS)
extern of_tlskey_t of_socket_base_key;
# ifdef OF_AMIGAOS4
extern of_tlskey_t of_socket_interface_key;
# endif
#endif
#ifdef __cplusplus
}
#endif

OF_ASSUME_NONNULL_END

#endif
#if !defined(OF_AMIGAOS) || defined(OF_MORPHOS) || !defined(OF_HAVE_THREADS)
static bool initSuccessful = false;
#endif

#ifdef OF_AMIGAOS
# if defined(OF_HAVE_THREADS) && !defined(OF_MORPHOS)
of_tlskey_t of_socket_base_key;
#  ifdef OF_AMIGAOS4
of_tlskey_t of_socket_interface_key;
#  endif
# else
struct Library *SocketBase;
#  ifdef OF_AMIGAOS4
struct SocketIFace *ISocket = NULL;
#  endif
# endif
#endif

#if defined(OF_HAVE_THREADS) && defined(OF_AMIGAOS) && !defined(OF_MORPHOS)
OF_CONSTRUCTOR()
{
	if (of_tlskey_new(&of_socket_base_key) != 0)
		@throw [OFInitializationFailedException exception];

# ifdef OF_AMIGAOS4
	if (of_tlskey_new(&of_socket_interface_key) != 0)
		@throw [OFInitializationFailedException exception];
# endif
}
#endif

#if !defined(OF_AMIGAOS) || defined(OF_MORPHOS) || !defined(OF_HAVE_THREADS)
static void

#else
	struct Library *socketBase;
# ifdef OF_AMIGAOS4
	struct SocketIFace *socketInterface;
# endif

# ifdef OF_AMIGAOS4
	if ((socketInterface = of_tlskey_get(of_socket_interface_key)) != NULL)
# else
	if ((socketBase = of_tlskey_get(of_socket_base_key)) != NULL)
# endif
		return true;

	if ((socketBase = OpenLibrary("bsdsocket.library", 4)) == NULL)
		return false;

# ifdef OF_AMIGAOS4
	if ((socketInterface = (struct SocketIFace *)
	    GetInterface(socketBase, "main", 1, NULL)) == NULL) {
		CloseLibrary(socketBase);
		return false;
	}
# endif

	if (of_tlskey_set(of_socket_base_key, socketBase) != 0) {
		CloseLibrary(socketBase);
# ifdef OF_AMIGAOS4
		DropInterface((struct Interface *)socketInterface);
# endif
		return false;
	}

# ifdef OF_AMIGAOS4
	if (of_tlskey_set(of_socket_interface_key, socketInterface) != 0) {
		CloseLibrary(socketBase);
		DropInterface((struct Interface *)socketInterface);
		return false;
	}
# endif

	return true;
#endif
}

#if defined(OF_HAVE_THREADS) && defined(OF_AMIGAOS) && !defined(OF_MORPHOS)
void
of_socket_deinit(void)
{
	struct Library *socketBase = of_tlskey_get(of_socket_base_key);
# ifdef OF_AMIGAOS4
	struct SocketIFace *socketInterface =
	    of_tlskey_get(of_socket_interface_key);

	if (socketInterface != NULL)
		DropInterface((struct Interface *)socketInterface);
# endif
	if (socketBase != NULL)
		CloseLibrary(socketBase);
}

# endif
# include <sys/filio.h>
# define closesocket(sock) CloseSocket(sock)
# define ioctlsocket(fd, req, arg) IoctlSocket(fd, req, arg)
# define hstrerror(err) "unknown (no hstrerror)"
# define SOCKET_ERROR -1
# if defined(OF_HAVE_THREADS) && !defined(OF_MORPHOS)
#  define SocketBase ((struct Library *)of_tlskey_get(of_socket_base_key))
#  ifdef OF_AMIGAOS4
#   define ISocket \
	((struct SocketIFace *)of_tlskey_get(of_socket_interface_key))
#  endif
# endif
# ifdef OF_MORPHOS
typedef uint32_t in_addr_t;
# endif
#elif !defined(OF_WINDOWS) && !defined(OF_WII)
# define closesocket(sock) close(sock)

# error No thread-local storage available!
#endif

#import "macros.h"

#if defined(OF_HAVE_PTHREADS)
# include <pthread.h>
typedef pthread_key_t of_tlskey_t;
#elif defined(OF_WINDOWS)
# include <windows.h>
typedef DWORD of_tlskey_t;
#elif defined(OF_MORPHOS)
# include <proto/exec.h>
typedef ULONG of_tlskey_t;
#elif defined(OF_AMIGAOS)
typedef struct of_tlskey {
	struct objc_hashtable *table;
	struct of_tlskey *next, *previous;
} *of_tlskey_t;
#endif

#ifdef __cplusplus
extern "C" {
#endif
extern int of_tlskey_new(of_tlskey_t *key);
extern int of_tlskey_free(of_tlskey_t key);
#ifdef __cplusplus
}
#endif

/* TLS keys are inlined for performance. */

#if defined(OF_HAVE_PTHREADS)
static OF_INLINE void *
of_tlskey_get(of_tlskey_t key)
{
	return pthread_getspecific(key);
}

static OF_INLINE int
of_tlskey_set(of_tlskey_t key, void *ptr)
{
	return pthread_setspecific(key, ptr);
}
#elif defined(OF_WINDOWS)
static OF_INLINE void *
of_tlskey_get(of_tlskey_t key)
{
	return TlsGetValue(key);
}

static OF_INLINE int
of_tlskey_set(of_tlskey_t key, void *ptr)
{
	return (TlsSetValue(key, ptr) ? 0 : EINVAL);
}
#elif defined(OF_MORPHOS)
static OF_INLINE void *
of_tlskey_get(of_tlskey_t key)
{
	return (void *)TLSGetValue(key);
}

static OF_INLINE int
of_tlskey_set(of_tlskey_t key, void *ptr)
{
	return (TLSSetValue(key, (APTR)ptr) ? 0 : EINVAL);
}
#elif defined(OF_AMIGAOS)
/* Those are too big too inline. */
# ifdef __cplusplus
extern "C" {
# endif
extern void *of_tlskey_get(of_tlskey_t key);
extern int of_tlskey_set(of_tlskey_t key, void *ptr);
# ifdef __cplusplus
}
# endif
#endif