#include "silcruntime.h"
+/************************ Static utility functions **************************/
+
+static SilcTls silc_thread_tls_init_shared(SilcTls other);
+
/**************************** SILC Thread API *******************************/
typedef struct {
+ SilcTls tls;
SilcThreadStart start_func;
void *context;
} *SilcThreadStartContext;
SilcThreadStartContext c = context;
SilcThreadStart start_func = c->start_func;
void *start_context = c->context;
+ SilcTls other = c->tls;
silc_free(c);
- silc_thread_tls_init();
+ silc_thread_tls_init_shared(other);
return start_func(start_context);
}
return NULL;
c->start_func = start_func;
c->context = context;
+ c->tls = silc_thread_get_tls();
if (pthread_attr_init(&attr)) {
silc_set_errno_posix(errno);
static void silc_thread_tls_destructor(void *context)
{
- silc_free(context);
+ SilcTls tls = context;
+
+ if (tls->tls_variables)
+ silc_hash_table_free(tls->tls_variables);
+ tls->tls_variables = NULL;
+
+ silc_free(tls);
}
static void silc_thread_tls_alloc(void)
SILC_LOG_ERROR(("Error allocating Thread-local storage"));
return NULL;
}
+ pthread_setspecific(key, tls);
+
+ /* Allocate global lock */
+ silc_mutex_alloc(&tls->lock);
+
+ return tls;
+}
+static SilcTls silc_thread_tls_init_shared(SilcTls other)
+{
+ SilcTls tls;
+
+ pthread_once(&key_once, silc_thread_tls_alloc);
+
+ if (silc_thread_get_tls())
+ return silc_thread_get_tls();
+
+ /* Allocate Tls for the thread */
+ tls = silc_calloc(1, sizeof(*tls));
+ if (!tls) {
+ SILC_LOG_ERROR(("Error allocating Thread-local storage"));
+ return NULL;
+ }
pthread_setspecific(key, tls);
+
+ /* Take shared data */
+ tls->shared_data = 1;
+ tls->lock = other->lock;
+ tls->variables = other->variables;
+
return tls;
}
return pthread_getspecific(key);
}
+void silc_thread_tls_uninit(void)
+{
+ SilcTls tls = silc_thread_get_tls();
+
+ if (!tls || tls->shared_data)
+ return;
+
+ /* Main thread cleanup */
+ if (tls->tls_variables)
+ silc_hash_table_free(tls->tls_variables);
+ if (tls->variables)
+ silc_hash_table_free(tls->variables);
+ if (tls->lock)
+ silc_mutex_free(tls->lock);
+ tls->variables = NULL;
+ tls->lock = NULL;
+ silc_free(tls);
+ pthread_setspecific(key, NULL);
+}
+
#else
SilcTlsStruct tls;
tls_ptr = &tls;
memset(tls_ptr, 0, sizeof(*tls_ptr));
+
+ atexit(silc_thread_tls_uninit);
+
return tls_ptr;
}
+static SilcTls silc_thread_tls_init_shared(SilcTls other)
+{
+ return silc_thread_tls_init();
+}
+
SilcTls silc_thread_get_tls(void)
{
return tls_ptr;
}
+void silc_thread_tls_uninit(void)
+{
+ if (tls.tls_variables)
+ silc_hash_table_free(tls.tls_variables);
+ if (tls.variables)
+ silc_hash_table_free(tls.variables);
+ if (tls.lock)
+ silc_mutex_free(tls.lock);
+}
+
#endif