9687850865
* (all files)
* stripped svn header
* minor cleanups
; use following command to find out the history of files:
git log
git log --follow
git blame
git annotate
76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
/*-
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 2011 Tamas TEVESZ <ice@extreme.hu>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "hbposix.h"
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#include "hbvm.h"
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HB_FUNC( UNIX_DAEMON )
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{
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int fd;
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switch( fork() )
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{
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case -1:
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hb_posix_save_errno();
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hb_retni( -1 );
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return;
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case 0:
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break;
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default:
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hb_vmRequestQuit();
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exit( 0 );
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}
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if( setsid() == -1 )
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{
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hb_posix_save_errno();
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hb_retni( -1 );
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return;
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}
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if( ! HB_PARLUNIX( 1 ) && chdir( "/" ) == -1 )
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{
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/* FALLTHROUGH */
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}
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if( ! HB_PARLUNIX( 2 ) && ( fd = open( "/dev/null", O_RDWR ) ) != -1 )
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{
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( void ) dup2( fd, STDIN_FILENO );
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( void ) dup2( fd, STDOUT_FILENO );
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( void ) dup2( fd, STDERR_FILENO );
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if( fd > 2 )
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( void ) close( fd );
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}
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hb_posix_set_errno( 0 );
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hb_retni( 0 );
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}
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