From 08afc3a98b7385ea2439dec1aac0f41c4c14c408 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Karel=20Ko=C4=8D=C3=AD?= Date: Sun, 2 Dec 2018 21:09:06 +0100 Subject: Update to working version Still way off from something usable by someone else but it already works for me. --- sigpipe.c | 46 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) create mode 100644 sigpipe.c (limited to 'sigpipe.c') diff --git a/sigpipe.c b/sigpipe.c new file mode 100644 index 0000000..d653cbe --- /dev/null +++ b/sigpipe.c @@ -0,0 +1,46 @@ +/* uroot - User's root + * sigpipe.c Source file for signaling pipe implementation + * + * Copyright (C) 2018 Karel Kočí + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ +#define _GNU_SOURCE +#include "sigpipe.h" +#include +#include +#include +#include + +sigpipe_t sigpipe_new() { + sigpipe_t sp = malloc(2 * sizeof(int)); + if (!pipe(sp)) + assert_perror(errno); + return sp; +} + +void sigpipe_wait(sigpipe_t sp) { + close(sp[1]); + char ch; + while (read(sp[0], &ch, 1) > 0); + assert_perror(errno); + free(sp); +} + +void sigpipe_signal(sigpipe_t sp) { + close(sp[0]); + close(sp[1]); + free(sp); +} -- cgit v1.2.3