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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License, Version 1.0 only
      6  * (the "License").  You may not use this file except in compliance
      7  * with the License.
      8  *
      9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  * or http://www.opensolaris.org/os/licensing.
     11  * See the License for the specific language governing permissions
     12  * and limitations under the License.
     13  *
     14  * When distributing Covered Code, include this CDDL HEADER in each
     15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  * If applicable, add the following below this CDDL HEADER, with the
     17  * fields enclosed by brackets "[]" replaced with your own identifying
     18  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  *
     20  * CDDL HEADER END
     21  */
     22 /*
     23  * Copyright 2000-2003 Sun Microsystems, Inc.  All rights reserved.
     24  * Use is subject to license terms.
     25  */
     26 
     27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     28 
     29 #include "lint.h"
     30 #include <errno.h>
     31 #include <sys/syscall.h>
     32 
     33 /*
     34  * __set_errno() takes an error number, maps ERESTART into EINTR, and sets
     35  * the global (or per-thread) errno.  It returns the mapped error number.
     36  * __set_errno(error) is designed to be used after calling __systemcall()
     37  * and getting a non-zero error return value.  (__systemcall() does not
     38  * set errno and does not deal with ERESTART; it just returns the error
     39  * number, if any, from the system call.)
     40  */
     41 int
     42 __set_errno(int error)
     43 {
     44 	if (error == ERESTART)
     45 		error = EINTR;
     46 	errno = error;
     47 	return (error);
     48 }
     49