Index: fusl/src/thread/pthread_key_create.c |
diff --git a/fusl/src/thread/pthread_key_create.c b/fusl/src/thread/pthread_key_create.c |
new file mode 100644 |
index 0000000000000000000000000000000000000000..a78e507a6fc9a9708140e96929a6a572a4e27601 |
--- /dev/null |
+++ b/fusl/src/thread/pthread_key_create.c |
@@ -0,0 +1,56 @@ |
+#include "pthread_impl.h" |
+ |
+volatile size_t __pthread_tsd_size = sizeof(void *) * PTHREAD_KEYS_MAX; |
+void *__pthread_tsd_main[PTHREAD_KEYS_MAX] = { 0 }; |
+ |
+static void (*volatile keys[PTHREAD_KEYS_MAX])(void *); |
+ |
+static void nodtor(void *dummy) |
+{ |
+} |
+ |
+int __pthread_key_create(pthread_key_t *k, void (*dtor)(void *)) |
+{ |
+ unsigned i = (uintptr_t)&k / 16 % PTHREAD_KEYS_MAX; |
+ unsigned j = i; |
+ pthread_t self = __pthread_self(); |
+ |
+ /* This can only happen in the main thread before |
+ * pthread_create has been called. */ |
+ if (!self->tsd) self->tsd = __pthread_tsd_main; |
+ |
+ if (!dtor) dtor = nodtor; |
+ do { |
+ if (!a_cas_p(keys+j, 0, (void *)dtor)) { |
+ *k = j; |
+ return 0; |
+ } |
+ } while ((j=(j+1)%PTHREAD_KEYS_MAX) != i); |
+ return EAGAIN; |
+} |
+ |
+int __pthread_key_delete(pthread_key_t k) |
+{ |
+ keys[k] = 0; |
+ return 0; |
+} |
+ |
+void __pthread_tsd_run_dtors() |
+{ |
+ pthread_t self = __pthread_self(); |
+ int i, j, not_finished = self->tsd_used; |
+ for (j=0; not_finished && j<PTHREAD_DESTRUCTOR_ITERATIONS; j++) { |
+ not_finished = 0; |
+ for (i=0; i<PTHREAD_KEYS_MAX; i++) { |
+ if (self->tsd[i] && keys[i]) { |
+ void *tmp = self->tsd[i]; |
+ self->tsd[i] = 0; |
+ keys[i](tmp); |
+ not_finished = 1; |
+ } |
+ } |
+ } |
+} |
+ |
+weak_alias(__pthread_key_delete, pthread_key_delete); |
+weak_alias(__pthread_key_create, pthread_key_create); |