From 7542afc175ddef822766a3a818a77fbf6670a980 Mon Sep 17 00:00:00 2001 From: Ton Voon Date: Fri, 19 Nov 2004 14:23:00 +0000 Subject: Files required for getloadavg.c git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@910 f882894a-f735-0410-b71e-b25c423dba1c diff --git a/lib/cloexec.c b/lib/cloexec.c new file mode 100644 index 0000000..20f30db --- /dev/null +++ b/lib/cloexec.c @@ -0,0 +1,63 @@ +/* closexec.c - set or clear the close-on-exec descriptor flag + Copyright (C) 1991, 2004 Free Software Foundation, Inc. + + 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, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + + The code is taken from glibc/manual/llio.texi */ + +#if HAVE_CONFIG_H +# include +#endif + +#include "cloexec.h" + +#if HAVE_UNISTD_H +# include +#endif + +#if HAVE_FCNTL_H +# include +#endif + +#ifndef FD_CLOEXEC +# define FD_CLOEXEC 1 +#endif + +/* Set the `FD_CLOEXEC' flag of DESC if VALUE is true, + or clear the flag if VALUE is false. + Return true on success, or false on error with `errno' set. */ + +bool +set_cloexec_flag (int desc, bool value) +{ +#if defined F_GETFD && defined F_SETFD + + int flags = fcntl (desc, F_GETFD, 0); + int newflags; + + if (flags < 0) + return false; + + newflags = (value ? flags | FD_CLOEXEC : flags & ~FD_CLOEXEC); + + return (flags == newflags + || fcntl (desc, F_SETFD, newflags) != -1); + +#else + + return true; + +#endif +} diff --git a/lib/cloexec.h b/lib/cloexec.h new file mode 100644 index 0000000..ecad8d7 --- /dev/null +++ b/lib/cloexec.h @@ -0,0 +1,2 @@ +#include +bool set_cloexec_flag (int desc, bool value); -- cgit v0.10-9-g596f