1 /* $NetBSD: pthread_compat.c,v 1.7 2022/02/12 14:59:32 riastradh 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 1.7 2022/02/12 14:59:32 riastradh Exp $"); 38 39 /* Need to use libc-private names for atomic operations. */ 40 #include "../../common/lib/libc/atomic/atomic_op_namespace.h" 41 42 #include <sys/param.h> 43 #include <sys/syscall.h> 44 #include <sys/aio.h> 45 46 #include <lwp.h> 47 #include <unistd.h> 48 #include <sched.h> 49 50 #include "pthread.h" 51 #include "pthread_int.h" 52 53 static void __pthread_init(void) __attribute__((__constructor__, __used__)); 54 55 void __libc_thr_init(void); 56 void __libc_atomic_init(void); 57 58 int _sys_sched_yield(void); 59 int _sys_aio_suspend(const struct aiocb * const[], int, 60 const struct timespec *); 61 int _sys_mq_send(mqd_t, const char *, size_t, unsigned); 62 ssize_t _sys_mq_receive(mqd_t, char *, size_t, unsigned *); 63 int _sys_mq_timedsend(mqd_t, const char *, size_t, unsigned, 64 const struct timespec *); 65 ssize_t _sys_mq_timedreceive(mqd_t, char *, size_t, unsigned *, 66 const struct timespec *); 67 68 static void 69 __pthread_init(void) 70 { 71 72 __libc_atomic_init(); 73 __libc_thr_init(); 74 } 75 76 int 77 _lwp_kill(lwpid_t a, int b) 78 { 79 80 return syscall(SYS__lwp_kill, a, b); 81 } 82 83 int 84 _lwp_detach(lwpid_t a) 85 { 86 87 return syscall(SYS__lwp_detach, a); 88 } 89 90 int 91 _lwp_park(clockid_t a, int b, const struct timespec *c, lwpid_t d, 92 const void *e, const void *f) 93 { 94 95 return syscall(SYS____lwp_park60, a, b, c, d, e, f); 96 } 97 98 int 99 _lwp_unpark(lwpid_t a, const void *b) 100 { 101 102 return syscall(SYS__lwp_unpark, a, b); 103 } 104 105 ssize_t 106 _lwp_unpark_all(const lwpid_t *a, size_t b, const void *c) 107 { 108 109 return (ssize_t)syscall(SYS__lwp_unpark_all, a, b, c); 110 } 111 112 int 113 _lwp_setname(lwpid_t a, const char *b) 114 { 115 116 return syscall(SYS__lwp_setname, a, b); 117 } 118 119 int 120 _lwp_getname(lwpid_t a, char *b, size_t c) 121 { 122 123 return syscall(SYS__lwp_getname, a, b, c); 124 } 125 126 int 127 _lwp_ctl(int a, struct lwpctl **b) 128 { 129 130 return syscall(SYS__lwp_ctl, a, b); 131 } 132 133 int 134 _sys_sched_yield(void) 135 { 136 137 return syscall(SYS_sched_yield); 138 } 139 140 int 141 sched_yield(void) 142 { 143 144 return syscall(SYS_sched_yield); 145 } 146 147 int 148 _sched_setaffinity(pid_t a, lwpid_t b, size_t c, const cpuset_t *d) 149 { 150 151 return syscall(SYS__sched_setaffinity, a, b, c, d); 152 } 153 154 int 155 _sched_getaffinity(pid_t a, lwpid_t b, size_t c, cpuset_t *d) 156 { 157 158 return syscall(SYS__sched_getaffinity, a, b, c, d); 159 } 160 161 int 162 _sched_setparam(pid_t a, lwpid_t b, int c, const struct sched_param *d) 163 { 164 165 return syscall(SYS__sched_setparam, a, b, c, d); 166 } 167 168 int 169 _sched_getparam(pid_t a, lwpid_t b, int *c, struct sched_param *d) 170 { 171 172 return syscall(SYS__sched_getparam, a, b, c, d); 173 } 174 175 int 176 _sys_aio_suspend(const struct aiocb * const a[], int b, 177 const struct timespec *c) 178 { 179 180 return syscall(SYS_aio_suspend, a, b, c); 181 } 182 183 int 184 _sys_mq_send(mqd_t a, const char *b, size_t c, unsigned d) 185 { 186 187 return syscall(SYS_mq_send, a, b, c, d); 188 } 189 190 ssize_t 191 _sys_mq_receive(mqd_t a, char *b, size_t c, unsigned *d) 192 { 193 194 return (ssize_t)syscall(SYS_mq_receive, a, b, c, d); 195 } 196 197 int 198 _sys_mq_timedsend(mqd_t a, const char *b, size_t c, unsigned d, 199 const struct timespec *e) 200 { 201 202 return syscall(SYS_mq_timedsend, a, b,c ,d, e); 203 } 204 205 ssize_t 206 _sys_mq_timedreceive(mqd_t a, char *b, size_t c, unsigned *d, 207 const struct timespec *e) 208 { 209 210 return (ssize_t)syscall(SYS_mq_timedreceive, a, b, c, d, e); 211 } 212
Indexes created Sat Sep 20 22:09:52 GMT 2025