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pthread_compat.c revision 1.1 
      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 #include <sys/cdefs.h>
     33 __RCSID("$NetBSD: pthread_compat.c,v 1.1 2008/09/29 08:48:15 ad Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/syscall.h>
     37 
     38 #include <lwp.h>
     39 #include <unistd.h>
     40 #include <sched.h>
     41 
     42 #include "pthread.h"
     43 #include "pthread_int.h"
     44 
     45 static void     __pthread_init(void) __attribute__((__constructor__, __used__));
     46 
     47 void	__libc_thr_init(void);
     48 void	__libc_atomic_init(void);
     49 int	_sys_sched_yield(void);
     50 
     51 static void
     52 __pthread_init(void)
     53 {
     54 
     55 	__libc_thr_init();
     56 	__libc_atomic_init();
     57 }
     58 
     59 int
     60 _lwp_kill(lwpid_t a, int b)
     61 {
     62 
     63 	return syscall(SYS__lwp_kill, a, b);
     64 }
     65 
     66 int
     67 _lwp_detach(lwpid_t a)
     68 {
     69 
     70 	return syscall(SYS__lwp_detach, a);
     71 }
     72 
     73 int
     74 _lwp_park(const struct timespec *a, lwpid_t b, const void *c, const void *d)
     75 {
     76 
     77 	return syscall(SYS__lwp_park, a, b, c, d);
     78 }
     79 
     80 int
     81 _lwp_unpark(lwpid_t a, const void *b)
     82 {
     83 
     84 	return syscall(SYS__lwp_unpark, a, b);
     85 }
     86 
     87 ssize_t
     88 _lwp_unpark_all(const lwpid_t *a, size_t b, const void *c)
     89 {
     90 
     91 	return syscall(SYS__lwp_unpark_all, a, b, c);
     92 }
     93 
     94 int
     95 _lwp_setname(lwpid_t a, const char *b)
     96 {
     97 
     98 	return syscall(SYS__lwp_setname, a, b);
     99 }
    100 
    101 int
    102 _lwp_getname(lwpid_t a, char *b, size_t c)
    103 {
    104 
    105 	return syscall(SYS__lwp_getname, a, b, c);
    106 }
    107 
    108 int
    109 _lwp_ctl(int a, struct lwpctl **b)
    110 {
    111 
    112 	return syscall(SYS__lwp_ctl, a, b);
    113 }
    114 
    115 int
    116 _sys_sched_yield(void)
    117 {
    118 
    119 	return syscall(SYS_sched_yield);
    120 }
    121 
    122 int
    123 sched_yield(void)
    124 {
    125 
    126 	return syscall(SYS_sched_yield);
    127 }
    128 
    129 int
    130 _sched_setaffinity(pid_t a, lwpid_t b, size_t c, const cpuset_t *d)
    131 {
    132 
    133 	return syscall(SYS__sched_setaffinity, a, b, c, d);
    134 }
    135 
    136 int
    137 _sched_getaffinity(pid_t a, lwpid_t b, size_t c, cpuset_t *d)
    138 {
    139 
    140 	return syscall(SYS__sched_getaffinity, a, b, c, d);
    141 }
    142 
    143 int
    144 _sched_setparam(pid_t a, lwpid_t b, int c, const struct sched_param *d)
    145 {
    146 
    147 	return syscall(SYS__sched_setparam, a, b, c, d);
    148 }
    149 
    150 int
    151 _sched_getparam(pid_t a, lwpid_t b, int *c, struct sched_param *d)
    152 {
    153 
    154 	return syscall(SYS__sched_getparam, a, b, c, d);
    155 }
    156