lib/libpthread/pthread_compat.c

   1 /*      $NetBSD: pthread_compat.c,v 1.1 2008/09/29 08:48:15 ad 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 1.1 2008/09/29 08:48:15 ad 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(const struct timespec *a, lwpid_t b, const void *c, const void *d)
  89 {
  90
  91         return syscall(SYS__lwp_park, a, b, c, d);
  92 }
  93
  94 int
  95 _lwp_unpark(lwpid_t a, const void *b)
  96 {
  97
  98         return syscall(SYS__lwp_unpark, a, b);
  99 }
 100
 101 ssize_t
 102 _lwp_unpark_all(const lwpid_t *a, size_t b, const void *c)
 103 {
 104
 105         return (ssize_t)syscall(SYS__lwp_unpark_all, a, b, c);
 106 }
 107
 108 int
 109 _lwp_setname(lwpid_t a, const char *b)
 110 {
 111
 112         return syscall(SYS__lwp_setname, a, b);
 113 }
 114
 115 int
 116 _lwp_getname(lwpid_t a, char *b, size_t c)
 117 {
 118
 119         return syscall(SYS__lwp_getname, a, b, c);
 120 }
 121
 122 int
 123 _lwp_ctl(int a, struct lwpctl **b)
 124 {
 125
 126         return syscall(SYS__lwp_ctl, a, b);
 127 }
 128
 129 int
 130 _sys_sched_yield(void)
 131 {
 132
 133         return syscall(SYS_sched_yield);
 134 }
 135
 136 int
 137 sched_yield(void)
 138 {
 139
 140         return syscall(SYS_sched_yield);
 141 }
 142
 143 int
 144 _sched_setaffinity(pid_t a, lwpid_t b, size_t c, const cpuset_t *d)
 145 {
 146
 147         return syscall(SYS__sched_setaffinity, a, b, c, d);
 148 }
 149
 150 int
 151 _sched_getaffinity(pid_t a, lwpid_t b, size_t c, cpuset_t *d)
 152 {
 153
 154         return syscall(SYS__sched_getaffinity, a, b, c, d);
 155 }
 156
 157 int
 158 _sched_setparam(pid_t a, lwpid_t b, int c, const struct sched_param *d)
 159 {
 160
 161         return syscall(SYS__sched_setparam, a, b, c, d);
 162 }
 163
 164 int
 165 _sched_getparam(pid_t a, lwpid_t b, int *c, struct sched_param *d)
 166 {
 167
 168         return syscall(SYS__sched_getparam, a, b, c, d);
 169 }
 170
 171 int
 172 _sys_aio_suspend(const struct aiocb * const a[], int b,
 173                  const struct timespec *c)
 174 {
 175
 176         return syscall(SYS_aio_suspend, a, b, c);
 177 }
 178
 179 int
 180 _sys_mq_send(mqd_t a, const char *b, size_t c, unsigned d)
 181 {
 182
 183         return syscall(SYS_mq_send, a, b, c, d);
 184 }
 185
 186 ssize_t
 187 _sys_mq_receive(mqd_t a, char *b, size_t c, unsigned *d)
 188 {
 189
 190         return (ssize_t)syscall(SYS_mq_receive, a, b, c, d);
 191 }
 192
 193 int
 194 _sys_mq_timedsend(mqd_t a, const char *b, size_t c, unsigned d,
 195                   const struct timespec *e)
 196 {
 197
 198         return syscall(SYS_mq_timedsend, a, b,c ,d, e);
 199 }
 200
 201 ssize_t
 202 _sys_mq_timedreceive(mqd_t a, char *b, size_t c, unsigned *d,
 203                      const struct timespec *e)
 204 {
 205
 206         return (ssize_t)syscall(SYS_mq_timedreceive, a, b, c, d, e);
 207 }