140 lines
3.8 KiB
C
140 lines
3.8 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these librararies and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/*%% (c) Copyright 1993, 1994 Hewlett-Packard Company */
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/*%% (c) Copyright 1993, 1994 International Business Machines Corp. */
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/*%% (c) Copyright 1993, 1994 Sun Microsystems, Inc. */
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/*%% (c) Copyright 1993, 1994 Novell, Inc. */
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/*%% $XConsortium: iscntl.c /main/3 1995/10/23 11:36:59 rswiston $ */
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#ifndef lint
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static char sccsid[] = "@(#)iscntl.c 1.8 94/11/17";
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#endif
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/*
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* Copyright (c) 1988 by Sun Microsystems, Inc.
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*/
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/*
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* iscntl.c
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*
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* Description:
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* Generic control function
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*/
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#if defined(linux) || defined(CSRG_BASED) || defined(sun)
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#include <stdarg.h>
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#else
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#include <varargs.h>
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#endif
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#include "isam_impl.h"
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/*
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* err = iscntl(isfd, args)
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*
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* Functions:
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*
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* iscntl(isfd, ISCNTL_RPCS_TO_SET, tout) - Set timeout for short operations
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* iscntl(isfd, ISCNTL_RPCL_TO_SET, tout) - Set timeout for long operations
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* iscntl(isfd, ISCNTL_RPCS_TO_GET) - Get timeout for short operations
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* iscntl(isfd, ISCNTL_RPCL_TO_GET) - Get timeout for long operations
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* iscntl(isfd, ISCNTL_TCP_TO_SET) - Set TCP reconnect timeout
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* iscntl(isfd, ISCNTL_TCP_TO_GET) - Get TCP reconnect timeout
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*
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* iscntl(isfd, ISCNTL_APPLMAGIC_WRITE, string) - Write application magic
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* iscntl(isfd, ISCNTL_APPLMAGIC_READ, buf) - Read application magic
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*
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* iscntl(ALLISFD, ISCNTL_FDLIMIT_SET, n) - Set limit on UNIX fd use
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* iscntl(ALLISFD, ISCNTL_FDLIMIT_GET) - Set limit on UNIX fd use
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*
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* oldfunc = iscntl(ALLISFD, ISCNTL_FATAL, func) - Set fatal error handler
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* int func(msg) - Apllication handler
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* if 0 is returned, NetISAM will use openlog("NetISAM") and
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* syslog(ERR_LOG, msg) to log the error.
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*
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* iscntl(ALLISFD, ISCNTL_MASKSIGNALS, bool) 1 mask, 0 don't mask
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*
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* iscntl(isfd, ISCNTL_FSYNC) - synchronize a file's in-core state
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* with that on disk
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*
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*/
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typedef int (* intfunc)();
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#if defined(linux) || defined(CSRG_BASED) || defined(sun)
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int
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iscntl(int isfd, int func, ...)
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#else
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int
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iscntl(isfd, func, va_alist)
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int isfd;
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int func;
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va_dcl
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#endif
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{
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extern int (*_isfatal_error_set_func())();
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va_list pvar;
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int ret;
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#if defined(linux) || defined(CSRG_BASED) || defined(sun)
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va_start(pvar, func);
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#else
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va_start(pvar);
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#endif
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switch (func) {
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case ISCNTL_MASKSIGNALS:
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ret = _issignals_cntl(va_arg(pvar, int));
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break;
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case ISCNTL_FATAL:
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ret = (int)_isfatal_error_set_func(va_arg(pvar, intfunc));
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break;
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case ISCNTL_FDLIMIT_SET:
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ret = _watchfd_max_set(va_arg(pvar, int));
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break;
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case ISCNTL_FDLIMIT_GET:
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ret = _watchfd_max_get();
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break;
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case ISCNTL_APPLMAGIC_WRITE:
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ret = _isapplmw(isfd, (va_arg(pvar, char *)));
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break;
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case ISCNTL_APPLMAGIC_READ:
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ret = _isapplmr(isfd, (va_arg(pvar, char *)));
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break;
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case ISCNTL_FSYNC:
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ret = _isfsync(isfd);
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break;
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default:
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_setiserrno2(EBADARG, '9', '0');
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ret = ISERROR;
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}
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va_end(pvar);
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return (ret);
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}
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