1 /* $NetBSD: tss.c,v 1.2 2019/12/15 22:32:29 uwe Exp $ */ 2 3 /*- 4 * Copyright (c) 2016 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Kamil Rytarowski. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __RCSID("$NetBSD: tss.c,v 1.2 2019/12/15 22:32:29 uwe Exp $"); 34 35 #include <assert.h> 36 #include <errno.h> 37 #include <pthread.h> 38 #include <threads.h> 39 40 int 41 tss_create(tss_t *key, tss_dtor_t dtor) 42 { 43 44 _DIAGASSERT(key != NULL); 45 46 if (pthread_key_create(key, dtor) == 0) 47 return thrd_success; 48 49 return thrd_error; 50 } 51 52 void 53 tss_delete(tss_t key) 54 { 55 56 /* 57 * The tss_delete(3) function that conforms to C11 returns no value. 58 */ 59 (void)pthread_key_delete(key); 60 } 61 62 void * 63 tss_get(tss_t key) 64 { 65 66 return pthread_getspecific(key); 67 } 68 69 int 70 tss_set(tss_t key, void *val) 71 { 72 73 if (pthread_setspecific(key, val) == 0) 74 return thrd_success; 75 76 return thrd_error; 77 } 78