Changes in uspace/lib/c/generic/fibril.c [1558d85:6d87dce] in mainline

File:

• uspace/lib/c/generic/fibril.c (modified) (1 diff)

uspace/lib/c/generic/fibril.c

@@ -114 +114 @@
         fibril->waits_for = NULL;
 
-        futex_lock(&fibril_futex);
+        /*
+         * We are called before __tcb_set(), so we need to use
+         * futex_down/up() instead of futex_lock/unlock() that
+         * may attempt to access TLS.
+         */
+        futex_down(&fibril_futex);
         list_append(&fibril->all_link, &fibril_list);
-        futex_unlock(&fibril_futex);
+        futex_up(&fibril_futex);
         
         return fibril;