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      1 /*-
      2  * Copyright (c) 2008 Ed Schouten <ed (at) 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 1.2 2014/02/02 14:54:39 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 }
    156