pthread_compat.c revision 1.4
1 /* $NetBSD: pthread_compat.c,v 1.4 2017/12/08 09:24:31 kre Exp $ */ 2 3 /*- 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software developed for The NetBSD Foundation 8 * by Andrew Doran. 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 /* 33 * libc symbols that are not present before NetBSD 5.0. 34 */ 35 36 #include <sys/cdefs.h> 37 __RCSID("$NetBSD: pthread_compat.c,v 1.4 2017/12/08 09:24:31 kre Exp $"); 38 39 #include <sys/param.h> 40 #include <sys/syscall.h> 41 #include <sys/aio.h> 42 43 #include <lwp.h> 44 #include <unistd.h> 45 #include <sched.h> 46 47 #include "pthread.h" 48 #include "pthread_int.h" 49 50 static void __pthread_init(void) __attribute__((__constructor__, __used__)); 51 52 void __libc_thr_init(void); 53 void __libc_atomic_init(void); 54 55 int _sys_sched_yield(void); 56 int _sys_aio_suspend(const struct aiocb * const[], int, 57 const struct timespec *); 58 int _sys_mq_send(mqd_t, const char *, size_t, unsigned); 59 ssize_t _sys_mq_receive(mqd_t, char *, size_t, unsigned *); 60 int _sys_mq_timedsend(mqd_t, const char *, size_t, unsigned, 61 const struct timespec *); 62 ssize_t _sys_mq_timedreceive(mqd_t, char *, size_t, unsigned *, 63 const struct timespec *); 64 65 static void 66 __pthread_init(void) 67 { 68 69 __libc_atomic_init(); 70 __libc_thr_init(); 71 } 72 73 int 74 _lwp_kill(lwpid_t a, int b) 75 { 76 77 return syscall(SYS__lwp_kill, a, b); 78 } 79 80 int 81 _lwp_detach(lwpid_t a) 82 { 83 84 return syscall(SYS__lwp_detach, a); 85 } 86 87 int 88 _lwp_park(clockid_t a, int b, const struct timespec *c, lwpid_t d, 89 const void *e, const void *f) 90 { 91 92 struct timespec t = *c; 93 94 return syscall(SYS____lwp_park60, a, b, &t, d, e, f); 95 } 96 97 int 98 _lwp_unpark(lwpid_t a, const void *b) 99 { 100 101 return syscall(SYS__lwp_unpark, a, b); 102 } 103 104 ssize_t 105 _lwp_unpark_all(const lwpid_t *a, size_t b, const void *c) 106 { 107 108 return (ssize_t)syscall(SYS__lwp_unpark_all, a, b, c); 109 } 110 111 int 112 _lwp_setname(lwpid_t a, const char *b) 113 { 114 115 return syscall(SYS__lwp_setname, a, b); 116 } 117 118 int 119 _lwp_getname(lwpid_t a, char *b, size_t c) 120 { 121 122 return syscall(SYS__lwp_getname, a, b, c); 123 } 124 125 int 126 _lwp_ctl(int a, struct lwpctl **b) 127 { 128 129 return syscall(SYS__lwp_ctl, a, b); 130 } 131 132 int 133 _sys_sched_yield(void) 134 { 135 136 return syscall(SYS_sched_yield); 137 } 138 139 int 140 sched_yield(void) 141 { 142 143 return syscall(SYS_sched_yield); 144 } 145 146 int 147 _sched_setaffinity(pid_t a, lwpid_t b, size_t c, const cpuset_t *d) 148 { 149 150 return syscall(SYS__sched_setaffinity, a, b, c, d); 151 } 152 153 int 154 _sched_getaffinity(pid_t a, lwpid_t b, size_t c, cpuset_t *d) 155 { 156 157 return syscall(SYS__sched_getaffinity, a, b, c, d); 158 } 159 160 int 161 _sched_setparam(pid_t a, lwpid_t b, int c, const struct sched_param *d) 162 { 163 164 return syscall(SYS__sched_setparam, a, b, c, d); 165 } 166 167 int 168 _sched_getparam(pid_t a, lwpid_t b, int *c, struct sched_param *d) 169 { 170 171 return syscall(SYS__sched_getparam, a, b, c, d); 172 } 173 174 int 175 _sys_aio_suspend(const struct aiocb * const a[], int b, 176 const struct timespec *c) 177 { 178 179 return syscall(SYS_aio_suspend, a, b, c); 180 } 181 182 int 183 _sys_mq_send(mqd_t a, const char *b, size_t c, unsigned d) 184 { 185 186 return syscall(SYS_mq_send, a, b, c, d); 187 } 188 189 ssize_t 190 _sys_mq_receive(mqd_t a, char *b, size_t c, unsigned *d) 191 { 192 193 return (ssize_t)syscall(SYS_mq_receive, a, b, c, d); 194 } 195 196 int 197 _sys_mq_timedsend(mqd_t a, const char *b, size_t c, unsigned d, 198 const struct timespec *e) 199 { 200 201 return syscall(SYS_mq_timedsend, a, b,c ,d, e); 202 } 203 204 ssize_t 205 _sys_mq_timedreceive(mqd_t a, char *b, size_t c, unsigned *d, 206 const struct timespec *e) 207 { 208 209 return (ssize_t)syscall(SYS_mq_timedreceive, a, b, c, d, e); 210 } 211
Indexes created Sun Sep 21 16:09:51 GMT 2025