1 /* $NetBSD: pthread_compat.c,v 1.6 2017/12/08 09:59:26 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 1.6 2017/12/08 09:59:26 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 return syscall(SYS____lwp_park60, a, b, c, d, e, f); 93 } 94 95 int 96 _lwp_unpark(lwpid_t a, const void *b) 97 { 98 99 return syscall(SYS__lwp_unpark, a, b); 100 } 101 102 ssize_t 103 _lwp_unpark_all(const lwpid_t *a, size_t b, const void *c) 104 { 105 106 return (ssize_t)syscall(SYS__lwp_unpark_all, a, b, c); 107 } 108 109 int 110 _lwp_setname(lwpid_t a, const char *b) 111 { 112 113 return syscall(SYS__lwp_setname, a, b); 114 } 115 116 int 117 _lwp_getname(lwpid_t a, char *b, size_t c) 118 { 119 120 return syscall(SYS__lwp_getname, a, b, c); 121 } 122 123 int 124 _lwp_ctl(int a, struct lwpctl **b) 125 { 126 127 return syscall(SYS__lwp_ctl, a, b); 128 } 129 130 int 131 _sys_sched_yield(void) 132 { 133 134 return syscall(SYS_sched_yield); 135 } 136 137 int 138 sched_yield(void) 139 { 140 141 return syscall(SYS_sched_yield); 142 } 143 144 int 145 _sched_setaffinity(pid_t a, lwpid_t b, size_t c, const cpuset_t *d) 146 { 147 148 return syscall(SYS__sched_setaffinity, a, b, c, d); 149 } 150 151 int 152 _sched_getaffinity(pid_t a, lwpid_t b, size_t c, cpuset_t *d) 153 { 154 155 return syscall(SYS__sched_getaffinity, a, b, c, d); 156 } 157 158 int 159 _sched_setparam(pid_t a, lwpid_t b, int c, const struct sched_param *d) 160 { 161 162 return syscall(SYS__sched_setparam, a, b, c, d); 163 } 164 165 int 166 _sched_getparam(pid_t a, lwpid_t b, int *c, struct sched_param *d) 167 { 168 169 return syscall(SYS__sched_getparam, a, b, c, d); 170 } 171 172 int 173 _sys_aio_suspend(const struct aiocb * const a[], int b, 174 const struct timespec *c) 175 { 176 177 return syscall(SYS_aio_suspend, a, b, c); 178 } 179 180 int 181 _sys_mq_send(mqd_t a, const char *b, size_t c, unsigned d) 182 { 183 184 return syscall(SYS_mq_send, a, b, c, d); 185 } 186 187 ssize_t 188 _sys_mq_receive(mqd_t a, char *b, size_t c, unsigned *d) 189 { 190 191 return (ssize_t)syscall(SYS_mq_receive, a, b, c, d); 192 } 193 194 int 195 _sys_mq_timedsend(mqd_t a, const char *b, size_t c, unsigned d, 196 const struct timespec *e) 197 { 198 199 return syscall(SYS_mq_timedsend, a, b,c ,d, e); 200 } 201 202 ssize_t 203 _sys_mq_timedreceive(mqd_t a, char *b, size_t c, unsigned *d, 204 const struct timespec *e) 205 { 206 207 return (ssize_t)syscall(SYS_mq_timedreceive, a, b, c, d, e); 208 } 209