pthread_compat.c revision 1.5
1 /* $NetBSD: pthread_compat.c,v 1.5 2017/12/08 09:41:16 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 1.5 2017/12/08 09:41:16 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 if (c != NULL) { 93 struct timespec t = *c; 94 95 return syscall(SYS____lwp_park60, a, b, &t, d, e, f); 96 } else 97 return syscall(SYS____lwp_park60, a, b, NULL, d, e, f); 98 } 99 100 int 101 _lwp_unpark(lwpid_t a, const void *b) 102 { 103 104 return syscall(SYS__lwp_unpark, a, b); 105 } 106 107 ssize_t 108 _lwp_unpark_all(const lwpid_t *a, size_t b, const void *c) 109 { 110 111 return (ssize_t)syscall(SYS__lwp_unpark_all, a, b, c); 112 } 113 114 int 115 _lwp_setname(lwpid_t a, const char *b) 116 { 117 118 return syscall(SYS__lwp_setname, a, b); 119 } 120 121 int 122 _lwp_getname(lwpid_t a, char *b, size_t c) 123 { 124 125 return syscall(SYS__lwp_getname, a, b, c); 126 } 127 128 int 129 _lwp_ctl(int a, struct lwpctl **b) 130 { 131 132 return syscall(SYS__lwp_ctl, a, b); 133 } 134 135 int 136 _sys_sched_yield(void) 137 { 138 139 return syscall(SYS_sched_yield); 140 } 141 142 int 143 sched_yield(void) 144 { 145 146 return syscall(SYS_sched_yield); 147 } 148 149 int 150 _sched_setaffinity(pid_t a, lwpid_t b, size_t c, const cpuset_t *d) 151 { 152 153 return syscall(SYS__sched_setaffinity, a, b, c, d); 154 } 155 156 int 157 _sched_getaffinity(pid_t a, lwpid_t b, size_t c, cpuset_t *d) 158 { 159 160 return syscall(SYS__sched_getaffinity, a, b, c, d); 161 } 162 163 int 164 _sched_setparam(pid_t a, lwpid_t b, int c, const struct sched_param *d) 165 { 166 167 return syscall(SYS__sched_setparam, a, b, c, d); 168 } 169 170 int 171 _sched_getparam(pid_t a, lwpid_t b, int *c, struct sched_param *d) 172 { 173 174 return syscall(SYS__sched_getparam, a, b, c, d); 175 } 176 177 int 178 _sys_aio_suspend(const struct aiocb * const a[], int b, 179 const struct timespec *c) 180 { 181 182 return syscall(SYS_aio_suspend, a, b, c); 183 } 184 185 int 186 _sys_mq_send(mqd_t a, const char *b, size_t c, unsigned d) 187 { 188 189 return syscall(SYS_mq_send, a, b, c, d); 190 } 191 192 ssize_t 193 _sys_mq_receive(mqd_t a, char *b, size_t c, unsigned *d) 194 { 195 196 return (ssize_t)syscall(SYS_mq_receive, a, b, c, d); 197 } 198 199 int 200 _sys_mq_timedsend(mqd_t a, const char *b, size_t c, unsigned d, 201 const struct timespec *e) 202 { 203 204 return syscall(SYS_mq_timedsend, a, b,c ,d, e); 205 } 206 207 ssize_t 208 _sys_mq_timedreceive(mqd_t a, char *b, size_t c, unsigned *d, 209 const struct timespec *e) 210 { 211 212 return (ssize_t)syscall(SYS_mq_timedreceive, a, b, c, d, e); 213 } 214
Indexes created Sun Sep 21 16:09:51 GMT 2025