kopia lustrzana https://gitlab.com/sane-project/backends
109 wiersze
2.9 KiB
C
109 wiersze
2.9 KiB
C
/* sane - Scanner Access Now Easy.
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Copyright (C) 2000 Yuri Dario
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This file is part of the SANE package.
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA.
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As a special exception, the authors of SANE give permission for
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additional uses of the libraries contained in this release of SANE.
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The exception is that, if you link a SANE library with other files
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to produce an executable, this does not by itself cause the
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resulting executable to be covered by the GNU General Public
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License. Your use of that executable is in no way restricted on
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account of linking the SANE library code into it.
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This exception does not, however, invalidate any other reasons why
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the executable file might be covered by the GNU General Public
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License.
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If you submit changes to SANE to the maintainers to be included in
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a subsequent release, you agree by submitting the changes that
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those changes may be distributed with this exception intact.
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If you write modifications of your own for SANE, it is your choice
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whether to permit this exception to apply to your modifications.
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If you do not wish that, delete this exception notice.
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*/
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#include "sane/config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#ifdef HAVE_OS2_H
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#define INCL_DOSPROCESS
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#include <os2.h>
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#endif
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#include "sane/sanei_thread.h"
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/*
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* starts a new thread or process
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* parameters:
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* start address of reader function
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* arg_list pointer to scanner data structure
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*
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*/
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int
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sanei_thread_begin( void (*start)(void *arg),
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void *arg_list)
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{
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#ifdef HAVE_OS2_H
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return _beginthread( start, NULL, 64*1024, arg_list);
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#else
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return fork();
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#endif
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}
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int
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sanei_thread_kill( int pid, int sig)
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{
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#ifdef HAVE_OS2_H
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return DosKillThread( pid);
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#else
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return kill( pid, sig);
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#endif
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}
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int
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sanei_thread_waitpid( int pid, int *stat_loc, int options)
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{
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#ifdef HAVE_OS2_H
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return pid; /* DosWaitThread( (TID*) &pid, DCWW_WAIT);*/
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#else
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return waitpid( pid, stat_loc, options);
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#endif
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}
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int
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sanei_thread_wait( int *stat_loc)
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{
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#ifdef HAVE_OS2_H
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*stat_loc = 0;
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return -1; /* return error because I don't know child pid */
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#else
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return wait( stat_loc);
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#endif
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}
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