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#import "tlskey.h"
#ifdef OF_AMIGAOS
# include <exec/semaphores.h>
# include <proto/exec.h>
# import "OFMapTable.h"
# import "OFList.h"
/*
* 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 const of_map_table_functions_t functions = { NULL };
static OFList *allKeys = nil;
static of_tlskey_t firstKey = NULL, lastKey = NULL;
static struct SignalSemaphore semaphore;
static uint32_t
hashFunc(const void *ptr)
{
return (uint32_t)(uintptr_t)ptr;
}
static bool
equalFunc(const void *ptr1, const void *ptr2)
{
return (ptr1 == ptr2);
}
OF_CONSTRUCTOR()
{
InitSemaphore(&semaphore);
}
#endif
bool
of_tlskey_new(of_tlskey_t *key)
{
#if defined(OF_HAVE_PTHREADS)
return (pthread_key_create(key, NULL) == 0);
#elif defined(OF_WINDOWS)
return ((*key = TlsAlloc()) != TLS_OUT_OF_INDEXES);
#elif defined(OF_AMIGAOS)
if ((*key = calloc(1, sizeof(**key))) == NULL)
if ((*key = malloc(sizeof(**key))) == NULL)
return false;
(*key)->table = NULL;
/*
* We create the map table lazily, as some TLS are created in
* constructors, at which time OFMapTable is not available yet.
*/
ObtainSemaphore(&semaphore);
@try {
(*key)->next = NULL;
(*key)->previous = lastKey;
if (lastKey != NULL)
lastKey->next = *key;
lastKey = *key;
if (firstKey == NULL)
firstKey = *key;
} @finally {
ReleaseSemaphore(&semaphore);
}
/* We create the hash table lazily. */
return true;
#endif
}
bool
of_tlskey_free(of_tlskey_t key)
{
#if defined(OF_HAVE_PTHREADS)
return (pthread_key_delete(key) == 0);
#elif defined(OF_WINDOWS)
return TlsFree(key);
#elif defined(OF_AMIGAOS)
ObtainSemaphore(&semaphore);
@try {
if (key->previous != NULL)
key->previous->next = key->next;
if (key->next != NULL)
key->next->previous = key->previous;
[allKeys removeListObject: key->listObject];
[key->mapTable release];
if (firstKey == key)
firstKey = key->next;
if (lastKey == key)
lastKey = key->previous;
objc_hashtable_free(key->table);
free(key);
} @finally {
ReleaseSemaphore(&semaphore);
}
return true;
#endif
}
#ifdef OF_AMIGAOS
static void
unsafeCreateMapTable(of_tlskey_t key)
{
key->mapTable = [[OFMapTable alloc] initWithKeyFunctions: functions
objectFunctions: functions];
if (allKeys == nil)
allKeys = [[OFList alloc] init];
key->listObject = [allKeys appendObject: key->mapTable];
}
void *
of_tlskey_get(of_tlskey_t key)
{
void *ret;
ObtainSemaphore(&semaphore);
@try {
if (key->mapTable == NULL)
unsafeCreateMapTable(key);
if (key->table == NULL)
return NULL;
ret = [key->mapTable objectForKey: FindTask(NULL)];
ret = objc_hashtable_get(key->table, FindTask(NULL));
} @finally {
ReleaseSemaphore(&semaphore);
}
return ret;
}
bool
of_tlskey_set(of_tlskey_t key, void *ptr)
{
ObtainSemaphore(&semaphore);
@try {
struct Task *task = FindTask(NULL);
if (key->mapTable == NULL)
unsafeCreateMapTable(key);
if (key->table == NULL)
key->table = objc_hashtable_new(hashFunc, equalFunc, 2);
if (ptr == NULL)
[key->mapTable removeObjectForKey: task];
objc_hashtable_delete(key->table, task);
else
[key->mapTable setObject: ptr
forKey: task];
objc_hashtable_set(key->table, task, ptr);
} @catch (id e) {
return false;
} @finally {
ReleaseSemaphore(&semaphore);
}
return true;
}
void
of_tlskey_thread_exited(void)
{
ObtainSemaphore(&semaphore);
@try {
struct Task *task = FindTask(NULL);
for (of_list_object_t *iter = allKeys.firstListObject;
iter != NULL; iter = iter->next)
[iter->object removeObjectForKey: task];
for (of_tlskey_t iter = firstKey; iter != NULL;
iter = iter->next)
if (iter->table != NULL)
objc_hashtable_delete(iter->table, task);
} @finally {
ReleaseSemaphore(&semaphore);
}
}
#endif
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