From: "William Hubbs" <williamh@gentoo.org>
To: gentoo-commits@lists.gentoo.org
Subject: [gentoo-commits] proj/openrc:master commit in: src/rc/
Date: Wed, 13 Jun 2018 21:28:44 +0000 (UTC) [thread overview]
Message-ID: <1528915782.ec8abea4605395a2a59b26906ce4677a578e3c60.williamh@OpenRC> (raw)
commit: ec8abea4605395a2a59b26906ce4677a578e3c60
Author: Mike Gilbert <floppym <AT> gentoo <DOT> org>
AuthorDate: Wed Jun 13 18:49:42 2018 +0000
Commit: William Hubbs <williamh <AT> gentoo <DOT> org>
CommitDate: Wed Jun 13 18:49:42 2018 +0000
URL: https://gitweb.gentoo.org/proj/openrc.git/commit/?id=ec8abea4
Add helper to spawn process with stdin connected to a pipe
src/rc/Makefile | 4 ++--
src/rc/rc-pipes.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
src/rc/rc-pipes.h | 18 ++++++++++++++++++
3 files changed, 77 insertions(+), 2 deletions(-)
diff --git a/src/rc/Makefile b/src/rc/Makefile
index 5e2a5e94..4b0983b5 100644
--- a/src/rc/Makefile
+++ b/src/rc/Makefile
@@ -5,8 +5,8 @@ include ${MK}/os.mk
SRCS= checkpath.c do_e.c do_mark_service.c do_service.c \
do_value.c fstabinfo.c is_newer_than.c is_older_than.c \
mountinfo.c openrc-run.c rc-abort.c rc.c \
- rc-depend.c rc-logger.c rc-misc.c rc-plugin.c \
- rc-service.c rc-status.c rc-update.c \
+ rc-depend.c rc-logger.c rc-misc.c rc-pipes.c \
+ rc-plugin.c rc-service.c rc-status.c rc-update.c \
shell_var.c start-stop-daemon.c supervise-daemon.c swclock.c _usage.c
ifeq (${MKSELINUX},yes)
diff --git a/src/rc/rc-pipes.c b/src/rc/rc-pipes.c
new file mode 100644
index 00000000..55f3ff8d
--- /dev/null
+++ b/src/rc/rc-pipes.c
@@ -0,0 +1,57 @@
+/*
+ * rc-pipes.c
+ * Helper to handle spawning processes and connecting them to pipes.
+ */
+
+/*
+ * Copyright (c) 2018 The OpenRC Authors.
+ * See the Authors file at the top-level directory of this distribution and
+ * https://github.com/OpenRC/openrc/blob/master/AUTHORS
+ *
+ * This file is part of OpenRC. It is subject to the license terms in
+ * the LICENSE file found in the top-level directory of this
+ * distribution and at https://github.com/OpenRC/openrc/blob/master/LICENSE
+ * This file may not be copied, modified, propagated, or distributed
+ * except according to the terms contained in the LICENSE file.
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/types.h>
+
+#include "rc-pipe-command.h"
+
+static const int pipe_read_end = 0;
+static const int pipe_write_end = 1;
+
+/*
+ * Starts a command with stdin redirected from a pipe
+ * Returns the write end of the pipe or -1
+ */
+int rc_pipe_command(char *cmd)
+{
+ int pfd[2];
+ pid_t pid;
+
+ if (pipe(pfd) < 0)
+ return -1;
+
+ pid = fork();
+ if (pid < 0)
+ return -1;
+ else if (pid > 0) {
+ /* parent */
+ close(pfd[0]);
+ return pfd[pipe_write_end];
+ } else if (pid == 0) {
+ /* child */
+ close(pfd[pipe_write_end]);
+ if (pfd[0] != STDIN_FILENO) {
+ if (dup2(pfd[0], STDIN_FILENO) < 0)
+ exit(1);
+ close(pfd[0]);
+ }
+ execl("/bin/sh", "sh", "-c", cmd, NULL);
+ exit(1);
+ }
+}
diff --git a/src/rc/rc-pipes.h b/src/rc/rc-pipes.h
new file mode 100644
index 00000000..0c605ced
--- /dev/null
+++ b/src/rc/rc-pipes.h
@@ -0,0 +1,18 @@
+/*
+ * Copyright (c) 2018 The OpenRC Authors.
+ * See the Authors file at the top-level directory of this distribution and
+ * https://github.com/OpenRC/openrc/blob/master/AUTHORS
+ *
+ * This file is part of OpenRC. It is subject to the license terms in
+ * the LICENSE file found in the top-level directory of this
+ * distribution and at https://github.com/OpenRC/openrc/blob/master/LICENSE
+ * This file may not be copied, modified, propagated, or distributed
+ * except according to the terms contained in the LICENSE file.
+ */
+
+#ifndef RC_PIPES_H
+#define RC_PIPES_H
+
+int rc_pipe_command(char *cmd);
+
+#endif
next reply other threads:[~2018-06-13 21:28 UTC|newest]
Thread overview: 257+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-13 21:28 William Hubbs [this message]
-- strict thread matches above, loose matches on Subject: below --
2018-11-06 3:38 [gentoo-commits] proj/openrc:master commit in: src/rc/ William Hubbs
2018-11-06 3:38 William Hubbs
2018-11-02 23:24 William Hubbs
2018-11-02 23:24 William Hubbs
2018-10-15 16:52 William Hubbs
2018-10-15 16:52 William Hubbs
2018-10-09 16:35 William Hubbs
2018-10-06 18:03 William Hubbs
2018-10-06 18:03 William Hubbs
2018-06-29 20:32 William Hubbs
2018-06-28 18:03 William Hubbs
2018-06-20 14:38 William Hubbs
2018-06-19 23:00 William Hubbs
2018-06-19 23:00 William Hubbs
2018-06-19 22:07 William Hubbs
2018-06-19 21:34 William Hubbs
2018-06-19 21:34 William Hubbs
2018-06-19 21:34 William Hubbs
2018-06-19 21:34 William Hubbs
2018-06-14 19:56 William Hubbs
2018-05-22 22:12 William Hubbs
2018-05-22 22:12 William Hubbs
2018-05-22 22:12 William Hubbs
2018-05-15 22:11 William Hubbs
2018-05-15 22:11 William Hubbs
2018-05-15 0:11 William Hubbs
2018-05-15 0:11 William Hubbs
2018-05-11 18:19 William Hubbs
2018-05-09 22:35 William Hubbs
2018-05-07 23:21 William Hubbs
2018-05-07 23:21 William Hubbs
2018-03-15 1:43 William Hubbs
2018-03-12 2:43 William Hubbs
2018-02-28 18:45 William Hubbs
2018-02-26 20:34 William Hubbs
2018-02-26 19:15 William Hubbs
2018-02-26 19:15 William Hubbs
2018-02-26 18:23 William Hubbs
2018-02-24 23:03 William Hubbs
2018-02-24 23:03 William Hubbs
2018-02-22 22:17 William Hubbs
2018-02-22 18:55 William Hubbs
2018-02-22 0:17 William Hubbs
2018-02-22 0:17 William Hubbs
2018-02-22 0:17 William Hubbs
2018-02-21 19:50 William Hubbs
2018-02-20 22:36 William Hubbs
2018-02-20 22:36 William Hubbs
2018-02-20 22:36 William Hubbs
2018-02-16 20:07 William Hubbs
2018-02-16 20:07 William Hubbs
2018-02-16 20:07 William Hubbs
2018-02-14 23:37 William Hubbs
2018-02-14 23:37 William Hubbs
2018-01-24 23:44 William Hubbs
2018-01-23 23:08 William Hubbs
2018-01-16 19:36 William Hubbs
2018-01-16 19:14 William Hubbs
2018-01-09 23:35 William Hubbs
2017-11-29 21:12 William Hubbs
2017-11-28 23:17 William Hubbs
2017-11-28 23:17 William Hubbs
2017-11-07 21:33 William Hubbs
2017-11-07 21:33 William Hubbs
2017-11-07 21:33 William Hubbs
2017-11-07 21:33 William Hubbs
2017-10-26 22:01 William Hubbs
2017-10-26 18:58 William Hubbs
2017-10-26 18:58 William Hubbs
2017-10-26 18:58 William Hubbs
2017-10-25 20:10 William Hubbs
2017-10-18 23:09 William Hubbs
2017-10-05 23:31 William Hubbs
2017-09-22 22:25 William Hubbs
2017-09-18 18:31 William Hubbs
2017-09-18 18:07 William Hubbs
2017-09-18 18:07 William Hubbs
2017-09-18 18:07 William Hubbs
2017-09-18 18:07 William Hubbs
2017-09-18 18:07 William Hubbs
2017-09-18 18:07 William Hubbs
2017-09-15 18:31 William Hubbs
2017-09-06 22:33 William Hubbs
2017-08-25 16:48 William Hubbs
2017-08-24 16:45 William Hubbs
2017-07-24 23:27 William Hubbs
2017-06-12 15:41 William Hubbs
2017-06-12 15:41 William Hubbs
2017-06-07 16:34 William Hubbs
2017-05-30 21:25 William Hubbs
2017-05-30 21:25 William Hubbs
2017-05-22 16:30 William Hubbs
2017-05-19 23:30 William Hubbs
2017-05-16 0:00 William Hubbs
2017-05-16 0:00 William Hubbs
2017-05-12 2:42 William Hubbs
2017-05-12 2:42 William Hubbs
2017-05-12 2:42 William Hubbs
2017-05-11 16:38 William Hubbs
2017-04-29 22:56 William Hubbs
2017-04-29 22:56 William Hubbs
2017-04-29 22:56 William Hubbs
2017-04-29 14:44 William Hubbs
2017-04-17 17:24 William Hubbs
2017-04-13 17:56 William Hubbs
2017-04-07 12:43 William Hubbs
2017-04-03 15:45 William Hubbs
2017-01-25 23:58 William Hubbs
2017-01-05 0:24 William Hubbs
2017-01-04 23:23 William Hubbs
2016-11-30 22:49 William Hubbs
2016-11-03 16:13 William Hubbs
2016-10-24 17:48 William Hubbs
2016-10-24 17:43 William Hubbs
2016-10-11 15:31 William Hubbs
2016-09-30 22:10 William Hubbs
2016-09-19 17:10 William Hubbs
2016-09-16 13:58 William Hubbs
2016-09-16 13:58 William Hubbs
2016-08-25 16:17 William Hubbs
2016-07-25 18:54 William Hubbs
2016-07-16 20:17 William Hubbs
2016-07-14 17:25 William Hubbs
2016-06-10 22:45 William Hubbs
2016-05-24 16:43 William Hubbs
2016-05-24 16:43 William Hubbs
2016-05-13 18:00 William Hubbs
2016-05-13 17:12 William Hubbs
2016-05-04 23:24 William Hubbs
2016-04-11 16:18 William Hubbs
2016-02-12 18:58 William Hubbs
2016-01-22 18:53 William Hubbs
2016-01-20 17:29 William Hubbs
2016-01-19 6:12 William Hubbs
2016-01-19 6:12 William Hubbs
2016-01-19 6:12 William Hubbs
2016-01-14 17:33 William Hubbs
2016-01-14 17:33 William Hubbs
2016-01-14 17:33 William Hubbs
2016-01-14 17:33 William Hubbs
2016-01-12 20:12 William Hubbs
2015-12-06 0:14 William Hubbs
2015-12-02 21:46 William Hubbs
2015-10-13 13:36 William Hubbs
2015-10-05 15:27 William Hubbs
2015-10-04 20:37 William Hubbs
2015-09-18 17:45 William Hubbs
2015-08-02 14:12 William Hubbs
2015-07-23 17:48 William Hubbs
2015-04-24 18:13 William Hubbs
2015-03-25 13:36 William Hubbs
2015-03-25 6:10 William Hubbs
2015-03-25 4:38 William Hubbs
2015-03-24 20:53 William Hubbs
2015-03-24 20:40 William Hubbs
2015-02-19 21:16 William Hubbs
2015-02-15 22:15 William Hubbs
2015-02-15 22:10 William Hubbs
2015-01-22 18:54 William Hubbs
2014-09-20 21:52 William Hubbs
2014-08-22 19:10 William Hubbs
2014-07-25 16:06 ` William Hubbs
2014-08-22 19:10 William Hubbs
2014-08-11 18:18 ` William Hubbs
2014-07-28 15:51 William Hubbs
2014-08-22 19:10 ` William Hubbs
2014-07-19 18:06 William Hubbs
2014-07-18 4:47 William Hubbs
2014-07-16 23:01 William Hubbs
2014-07-16 23:01 William Hubbs
2014-07-16 19:48 William Hubbs
2014-07-16 19:17 William Hubbs
2014-07-16 18:14 William Hubbs
2014-07-13 19:16 William Hubbs
2014-07-11 20:24 William Hubbs
2014-07-11 20:19 William Hubbs
2014-01-18 20:02 William Hubbs
2013-12-13 18:20 William Hubbs
2013-12-13 18:05 William Hubbs
2013-12-01 17:25 William Hubbs
2013-10-12 14:50 William Hubbs
2013-10-06 17:36 William Hubbs
2013-10-04 16:23 William Hubbs
2013-09-24 6:52 William Hubbs
2013-09-23 22:59 William Hubbs
2013-09-23 18:38 William Hubbs
2013-09-23 18:38 William Hubbs
2013-09-04 0:46 William Hubbs
2013-08-26 22:26 William Hubbs
2013-08-26 20:59 William Hubbs
2013-07-23 23:01 William Hubbs
2013-07-16 18:56 William Hubbs
2013-05-01 23:24 William Hubbs
2013-02-25 20:50 William Hubbs
2013-02-25 20:50 William Hubbs
2013-02-25 20:50 William Hubbs
2013-02-25 20:50 William Hubbs
2013-02-15 19:35 William Hubbs
2012-10-27 18:12 William Hubbs
2012-10-24 17:38 William Hubbs
2012-10-17 23:48 William Hubbs
2012-10-09 23:56 William Hubbs
2012-10-09 21:50 William Hubbs
2012-09-14 21:00 Christian Ruppert
2012-09-12 19:36 Christian Ruppert
2012-09-12 19:00 Christian Ruppert
2012-08-18 22:26 Christian Ruppert
2012-08-18 21:26 Christian Ruppert
2012-05-23 23:31 Mike Frysinger
2012-05-16 22:16 Mike Frysinger
2012-05-06 5:16 Mike Frysinger
2012-04-24 3:32 Christian Ruppert
2012-02-24 2:38 William Hubbs
2012-02-21 2:09 William Hubbs
2012-02-21 1:08 Jory Pratt
2012-02-12 1:23 Christian Ruppert
2012-02-10 23:25 Christian Ruppert
2012-01-31 22:59 William Hubbs
2012-01-28 18:05 Christian Ruppert
2012-01-28 15:45 Christian Ruppert
2012-01-24 18:41 Christian Ruppert
2012-01-23 10:27 Robin H. Johnson
2012-01-23 10:27 Robin H. Johnson
2012-01-23 5:27 Robin H. Johnson
2012-01-22 20:46 William Hubbs
2011-12-31 2:36 Christian Ruppert
2011-12-30 15:03 Christian Ruppert
2011-12-30 15:03 Christian Ruppert
2011-12-29 12:59 Christian Ruppert
2011-12-29 2:18 Christian Ruppert
2011-12-29 2:10 Christian Ruppert
2011-12-29 1:50 Christian Ruppert
2011-12-11 20:43 William Hubbs
2011-11-19 8:11 Mike Frysinger
2011-11-19 8:11 Mike Frysinger
2011-11-19 8:11 Mike Frysinger
2011-11-17 22:10 William Hubbs
2011-11-15 21:26 William Hubbs
2011-11-09 5:10 Mike Frysinger
2011-09-08 17:22 Christian Ruppert
2011-09-08 17:22 Christian Ruppert
2011-09-02 16:47 William Hubbs
2011-09-01 22:14 William Hubbs
2011-07-26 21:59 William Hubbs
2011-07-20 19:40 William Hubbs
2011-07-05 22:52 Christian Ruppert
2011-07-04 22:54 Christian Ruppert
2011-06-30 18:21 Christian Ruppert
2011-06-27 21:21 Christian Ruppert
2011-06-05 14:52 Christian Ruppert
2011-05-28 16:12 Mike Frysinger
2011-05-28 15:42 Mike Frysinger
2011-05-23 19:25 William Hubbs
2011-02-16 15:02 William Hubbs
2011-02-15 0:50 William Hubbs
2011-02-07 8:30 William Hubbs
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1528915782.ec8abea4605395a2a59b26906ce4677a578e3c60.williamh@OpenRC \
--to=williamh@gentoo.org \
--cc=gentoo-commits@lists.gentoo.org \
--cc=gentoo-dev@lists.gentoo.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox