+ if (getcontext(&fibre->fibre) == 0) {
+ fibre->fibre.uc_stack.ss_sp = OPENSSL_malloc(STACKSIZE);
+ if (fibre->fibre.uc_stack.ss_sp != NULL) {
+ fibre->fibre.uc_stack.ss_size = STACKSIZE;
+ fibre->fibre.uc_link = NULL;
+ makecontext(&fibre->fibre, async_start_func, 0);
+ return 1;
+ }
+ } else {
+ fibre->fibre.uc_stack.ss_sp = NULL;
+ }
+ return 0;