- timeout->cb = NULL;
-}
-
-#ifndef HAVE_MINGW
-static io_t signalio;
-static int pipefd[2] = {-1, -1};
-
-static void signal_handler(int signum) {
- unsigned char num = signum;
- write(pipefd[1], &num, 1);
-}
-
-static void signalio_handler(void *data, int flags) {
- unsigned char signum;
- if(read(pipefd[0], &signum, 1) != 1)
- return;
-
- signal_t *sig = splay_search(&signal_tree, &((signal_t){.signum = signum}));
- if(sig)
- sig->cb(sig->data);
-}
-
-static void pipe_init(void) {
- if(!pipe(pipefd))
- io_add(&signalio, signalio_handler, NULL, pipefd[0], IO_READ);
-}
-
-void signal_add(signal_t *sig, signal_cb_t cb, void *data, int signum) {
- if(sig->cb)
- return;
-
- sig->cb = cb;
- sig->data = data;
- sig->signum = signum;
- sig->node.data = sig;
-
- if(pipefd[0] == -1)
- pipe_init();
-
- signal(sig->signum, signal_handler);
-
- splay_insert_node(&signal_tree, &sig->node);