lib/libc/gen/posix_spawn_sched.c

   1 /*-
   2  * Copyright (c) 2008 Ed Schouten <ed@FreeBSD.org>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  24  * SUCH DAMAGE.
  25  */
  26
  27 #include <sys/cdefs.h>
  28 __RCSID("$NetBSD: posix_spawn_sched.c,v 1.1 2012/02/11 23:31:24 martin Exp $");
  29
  30 #include "namespace.h"
  31
  32 #include <errno.h>
  33 #include <fcntl.h>
  34 #include <sched.h>
  35 #include <signal.h>
  36 #include <stdlib.h>
  37 #include <string.h>
  38 #include <unistd.h>
  39 #include <spawn.h>
  40
  41 /*
  42  * Spawn attributes
  43  */
  44
  45 int
  46 posix_spawnattr_init(posix_spawnattr_t *ret)
  47 {
  48         if (ret == NULL)
  49                 return -1;
  50
  51         memset(ret, 0, sizeof(posix_spawnattr_t));
  52         return (0);
  53 }
  54
  55 int
  56 posix_spawnattr_destroy(posix_spawnattr_t *sa)
  57 {
  58         if (sa == NULL)
  59                 return -1;
  60
  61         return (0);
  62 }
  63
  64 int
  65 posix_spawnattr_getflags(const posix_spawnattr_t * __restrict sa,
  66     short * __restrict flags)
  67 {
  68         *flags = sa->sa_flags;
  69         return (0);
  70 }
  71
  72 int
  73 posix_spawnattr_getpgroup(const posix_spawnattr_t * __restrict sa,
  74     pid_t * __restrict pgroup)
  75 {
  76         *pgroup = sa->sa_pgroup;
  77         return (0);
  78 }
  79
  80 int
  81 posix_spawnattr_getschedparam(const posix_spawnattr_t * __restrict sa,
  82     struct sched_param * __restrict schedparam)
  83 {
  84         *schedparam = sa->sa_schedparam;
  85         return (0);
  86 }
  87
  88 int
  89 posix_spawnattr_getschedpolicy(const posix_spawnattr_t * __restrict sa,
  90     int * __restrict schedpolicy)
  91 {
  92         *schedpolicy = sa->sa_schedpolicy;
  93         return (0);
  94 }
  95
  96 int
  97 posix_spawnattr_getsigdefault(const posix_spawnattr_t * __restrict sa,
  98     sigset_t * __restrict sigdefault)
  99 {
 100         *sigdefault = sa->sa_sigdefault;
 101         return (0);
 102 }
 103
 104 int
 105 posix_spawnattr_getsigmask(const posix_spawnattr_t * __restrict sa,
 106     sigset_t * __restrict sigmask)
 107 {
 108         *sigmask = sa->sa_sigmask;
 109         return (0);
 110 }
 111
 112 int
 113 posix_spawnattr_setflags(posix_spawnattr_t *sa, short flags)
 114 {
 115         sa->sa_flags = flags;
 116         return (0);
 117 }
 118
 119 int
 120 posix_spawnattr_setpgroup(posix_spawnattr_t *sa, pid_t pgroup)
 121 {
 122         sa->sa_pgroup = pgroup;
 123         return (0);
 124 }
 125
 126 int
 127 posix_spawnattr_setschedparam(posix_spawnattr_t * __restrict sa,
 128     const struct sched_param * __restrict schedparam)
 129 {
 130         sa->sa_schedparam = *schedparam;
 131         return (0);
 132 }
 133
 134 int
 135 posix_spawnattr_setschedpolicy(posix_spawnattr_t *sa, int schedpolicy)
 136 {
 137         sa->sa_schedpolicy = schedpolicy;
 138         return (0);
 139 }
 140
 141 int
 142 posix_spawnattr_setsigdefault(posix_spawnattr_t * __restrict sa,
 143     const sigset_t * __restrict sigdefault)
 144 {
 145         sa->sa_sigdefault = *sigdefault;
 146         return (0);
 147 }
 148
 149 int
 150 posix_spawnattr_setsigmask(posix_spawnattr_t * __restrict sa,
 151     const sigset_t * __restrict sigmask)
 152 {
 153         sa->sa_sigmask = *sigmask;
 154         return (0);
 155 }