From 55219903e32e750cfdf58260e7c3a2c4f2bfe16e Mon Sep 17 00:00:00 2001 From: Vijay Bellur Date: Mon, 25 Jul 2011 15:31:21 +0530 Subject: libglusterfs: Bring in os_daemon_* routines to replace modified FreeBSD code Change-Id: I41f4635b1b75adb6d22e2e325b99941f8d7a0b42 BUG: 3206 Reviewed-on: http://review.gluster.com/100 Tested-by: Gluster Build System Reviewed-by: Amar Tumballi --- libglusterfs/src/Makefile.am | 6 ++-- libglusterfs/src/daemon.c | 68 ++++++++++++++++++++++++++++++++++++++++++++ libglusterfs/src/daemon.h | 32 +++++++++++++++++++++ 3 files changed, 103 insertions(+), 3 deletions(-) create mode 100644 libglusterfs/src/daemon.c create mode 100644 libglusterfs/src/daemon.h (limited to 'libglusterfs/src') diff --git a/libglusterfs/src/Makefile.am b/libglusterfs/src/Makefile.am index 3405ee5c3..0f932cb30 100644 --- a/libglusterfs/src/Makefile.am +++ b/libglusterfs/src/Makefile.am @@ -6,11 +6,11 @@ libglusterfs_la_LIBADD = @LEXLIB@ lib_LTLIBRARIES = libglusterfs.la -libglusterfs_la_SOURCES = dict.c graph.lex.c y.tab.c xlator.c logging.c hashfn.c defaults.c common-utils.c timer.c inode.c call-stub.c compat.c fd.c compat-errno.c event.c mem-pool.c gf-dirent.c syscall.c iobuf.c globals.c statedump.c stack.c checksum.c $(CONTRIBDIR)/md5/md5.c $(CONTRIBDIR)/rbtree/rb.c rbthash.c latency.c graph.c $(CONTRIBDIR)/uuid/clear.c $(CONTRIBDIR)/uuid/copy.c $(CONTRIBDIR)/uuid/gen_uuid.c $(CONTRIBDIR)/uuid/pack.c $(CONTRIBDIR)/uuid/parse.c $(CONTRIBDIR)/uuid/unparse.c $(CONTRIBDIR)/uuid/uuid_time.c $(CONTRIBDIR)/uuid/compare.c $(CONTRIBDIR)/uuid/isnull.c $(CONTRIBDIR)/uuid/unpack.c syncop.c graph-print.c trie.c run.c +libglusterfs_la_SOURCES = dict.c graph.lex.c y.tab.c xlator.c logging.c hashfn.c defaults.c common-utils.c timer.c inode.c call-stub.c compat.c fd.c compat-errno.c event.c mem-pool.c gf-dirent.c syscall.c iobuf.c globals.c statedump.c stack.c checksum.c daemon.c $(CONTRIBDIR)/md5/md5.c $(CONTRIBDIR)/rbtree/rb.c rbthash.c latency.c graph.c $(CONTRIBDIR)/uuid/clear.c $(CONTRIBDIR)/uuid/copy.c $(CONTRIBDIR)/uuid/gen_uuid.c $(CONTRIBDIR)/uuid/pack.c $(CONTRIBDIR)/uuid/parse.c $(CONTRIBDIR)/uuid/unparse.c $(CONTRIBDIR)/uuid/uuid_time.c $(CONTRIBDIR)/uuid/compare.c $(CONTRIBDIR)/uuid/isnull.c $(CONTRIBDIR)/uuid/unpack.c syncop.c graph-print.c trie.c run.c -noinst_HEADERS = common-utils.h defaults.h dict.h glusterfs.h hashfn.h logging.h xlator.h stack.h timer.h list.h inode.h call-stub.h compat.h fd.h revision.h compat-errno.h event.h mem-pool.h byte-order.h gf-dirent.h locking.h syscall.h iobuf.h globals.h statedump.h checksum.h $(CONTRIBDIR)/md5/md5.h $(CONTRIBDIR)/rbtree/rb.h rbthash.h iatt.h latency.h mem-types.h $(CONTRIBDIR)/uuid/uuidd.h $(CONTRIBDIR)/uuid/uuid.h $(CONTRIBDIR)/uuid/uuidP.h $(CONTRIBDIR)/uuid/uuid_types.h syncop.h graph-utils.h trie.h run.h +noinst_HEADERS = common-utils.h defaults.h dict.h glusterfs.h hashfn.h logging.h xlator.h stack.h timer.h list.h inode.h call-stub.h compat.h fd.h revision.h compat-errno.h event.h mem-pool.h byte-order.h gf-dirent.h locking.h syscall.h iobuf.h globals.h statedump.h checksum.h daemon.h $(CONTRIBDIR)/md5/md5.h $(CONTRIBDIR)/rbtree/rb.h rbthash.h iatt.h latency.h mem-types.h $(CONTRIBDIR)/uuid/uuidd.h $(CONTRIBDIR)/uuid/uuid.h $(CONTRIBDIR)/uuid/uuidP.h $(CONTRIBDIR)/uuid/uuid_types.h syncop.h graph-utils.h trie.h run.h -EXTRA_DIST = graph.l graph.y $(CONTRIBDIR)/apple/daemon.c $(CONTRIBDIR)/apple/daemon.h +EXTRA_DIST = graph.l graph.y graph.lex.c: graph.l y.tab.h $(LEX) -t $(srcdir)/graph.l > $@ diff --git a/libglusterfs/src/daemon.c b/libglusterfs/src/daemon.c new file mode 100644 index 000000000..a6476ec2e --- /dev/null +++ b/libglusterfs/src/daemon.c @@ -0,0 +1,68 @@ +/* + Copyright (c) 2011 Gluster, Inc. + This file is part of GlusterFS. + + GlusterFS is free software; you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published + by the Free Software Foundation; either version 3 of the License, + or (at your option) any later version. + + GlusterFS 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 + Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see + . +*/ + +#include +#include +#include +#include "daemon.h" + +int +os_daemon_return (int nochdir, int noclose) +{ + pid_t pid = -1; + int ret = -1; + FILE *ptr = NULL; + + + ret = fork(); + if (ret) + return ret; + + pid = setsid(); + + if (pid == -1) { + ret = -1; + goto out; + } + + if (!nochdir) + ret = chdir("/"); + + if (!noclose) { + ptr = freopen (DEVNULLPATH, "r", stdin); + ptr = freopen (DEVNULLPATH, "w", stdout); + ptr = freopen (DEVNULLPATH, "w", stderr); + } + + ret = 0; +out: + return ret; +} + +int +os_daemon (int nochdir, int noclose) +{ + int ret = -1; + + ret = os_daemon_return (nochdir, noclose); + if (ret <= 0) + return ret; + + _exit (0); +} diff --git a/libglusterfs/src/daemon.h b/libglusterfs/src/daemon.h new file mode 100644 index 000000000..c1ecd3c37 --- /dev/null +++ b/libglusterfs/src/daemon.h @@ -0,0 +1,32 @@ +/* + Copyright (c) 2010 Gluster, Inc. + This file is part of GlusterFS. + + GlusterFS is free software; you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published + by the Free Software Foundation; either version 3 of the License, + or (at your option) any later version. + + GlusterFS 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 + Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see + . +*/ + +#ifndef _DAEMON_H +#define _DAEMON_H + +#ifndef _CONFIG_H +#define _CONFIG_H +#include "config.h" +#endif + +#define DEVNULLPATH "/dev/null" + +int os_daemon_return(int nochdir, int noclose); +int os_daemon(int nochdir, int noclose); +#endif /*_DAEMON_H */ -- cgit