17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 22*61961e0fSrobinson 237c478bd9Sstevel@tonic-gate /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 247c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate /* 27*61961e0fSrobinson * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 287c478bd9Sstevel@tonic-gate * Use is subject to license terms. 297c478bd9Sstevel@tonic-gate */ 307c478bd9Sstevel@tonic-gate 317c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.5 */ 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #include "mt.h" 347c478bd9Sstevel@tonic-gate #include <errno.h> 357c478bd9Sstevel@tonic-gate #include <unistd.h> 367c478bd9Sstevel@tonic-gate #include <xti.h> 377c478bd9Sstevel@tonic-gate #include <signal.h> 387c478bd9Sstevel@tonic-gate #include <stropts.h> 397c478bd9Sstevel@tonic-gate #include "tx.h" 407c478bd9Sstevel@tonic-gate 417c478bd9Sstevel@tonic-gate int 427c478bd9Sstevel@tonic-gate _tx_close(int fd, int api_semantics) 437c478bd9Sstevel@tonic-gate { 447c478bd9Sstevel@tonic-gate sigset_t mask; 457c478bd9Sstevel@tonic-gate int sv_errno; 467c478bd9Sstevel@tonic-gate 47*61961e0fSrobinson if (_t_checkfd(fd, 0, api_semantics) == NULL) 487c478bd9Sstevel@tonic-gate return (-1); 497c478bd9Sstevel@tonic-gate 507c478bd9Sstevel@tonic-gate (void) thr_sigsetmask(SIG_SETMASK, &fillset, &mask); 517c478bd9Sstevel@tonic-gate sig_mutex_lock(&_ti_userlock); 527c478bd9Sstevel@tonic-gate if (_t_delete_tilink(fd) < 0) { 537c478bd9Sstevel@tonic-gate sv_errno = errno; 547c478bd9Sstevel@tonic-gate sig_mutex_unlock(&_ti_userlock); 557c478bd9Sstevel@tonic-gate (void) thr_sigsetmask(SIG_SETMASK, &mask, NULL); 567c478bd9Sstevel@tonic-gate errno = sv_errno; 577c478bd9Sstevel@tonic-gate return (-1); 587c478bd9Sstevel@tonic-gate } 597c478bd9Sstevel@tonic-gate /* 607c478bd9Sstevel@tonic-gate * Note: close() needs to be inside the lock. If done 617c478bd9Sstevel@tonic-gate * outside, another process may inherit the desriptor 627c478bd9Sstevel@tonic-gate * and recreate library level instance structures 637c478bd9Sstevel@tonic-gate */ 647c478bd9Sstevel@tonic-gate (void) close(fd); 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate sig_mutex_unlock(&_ti_userlock); 677c478bd9Sstevel@tonic-gate (void) thr_sigsetmask(SIG_SETMASK, &mask, NULL); 687c478bd9Sstevel@tonic-gate return (0); 697c478bd9Sstevel@tonic-gate } 70