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test_rad_pressure.py
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Daniel Brown authored
adding in more support for nodes. Can now access any node using kat.nodes.n1. Added in functions for Node object to set the gauss parameters. Only added gauss for w0 and z so far.
Daniel Brown authoredadding in more support for nodes. Can now access any node using kat.nodes.n1. Added in functions for Node object to set the gauss parameters. Only added gauss for w0 and z so far.
sysconf.c 2.87 KiB
/*
* Copyright (c) 2019
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* MP support header */
#include "MacportsLegacySupport.h"
/* sysconf wrap */
#if __MPLS_LIB_SUPPORT_SYSCONF_WRAP__
#include <sys/types.h>
#include <sys/sysctl.h>
#include <unistd.h>
#include <dlfcn.h>
#include <stdlib.h>
/*
* Emulate several commonly used but missing (or broken) selectors from
* sysconf() on various OS versions.
*/
long sysconf(int name) {
static long (*os_sysconf)(int);
#if __MPLS_LIB_SUPPORT_SYSCONF_NPROCESSORS__
if ( name == _SC_NPROCESSORS_ONLN ) {
int nm[2];
int ret;
size_t len = 4;
uint32_t count;
nm[0] = CTL_HW; nm[1] = HW_AVAILCPU;
ret = sysctl(nm, 2, &count, &len, NULL, 0);
if (ret < 0 || count < 1) {
/* try again with _SC_NPROCESSORS_CONF */
return sysconf(_SC_NPROCESSORS_CONF);
} else {
return (long)count;
}
}
if ( name == _SC_NPROCESSORS_CONF ) {
int nm[2];
int ret;
size_t len = 4;
uint32_t count;
nm[0] = CTL_HW; nm[1] = HW_NCPU;
ret = sysctl(nm, 2, &count, &len, NULL, 0);
/* there has to be at least 1 processor */
if (ret < 0 || count < 1) { count = 1; }
return (long)count;
}
#endif /* __MPLS_LIB_SUPPORT_SYSCONF_NPROCESSORS__ */
#if __MPLS_LIB_SUPPORT_SYSCONF_PHYS_PAGES__
if ( name == _SC_PHYS_PAGES ) {
/* the number of pages is the total memory / pagesize */
uint64_t mem_size;
size_t len = sizeof(mem_size);
int pagesize = getpagesize();
sysctlbyname("hw.memsize", &mem_size, &len, NULL, 0);
return (long)(mem_size/pagesize);
}
#endif /* __MPLS_LIB_SUPPORT_SYSCONF_PHYS_PAGES__ */
/* for any other values of "name", call the real sysconf() */
if (!os_sysconf) {
os_sysconf = dlsym(RTLD_NEXT, "sysconf");
/* Something's badly broken if this fails */
if (!os_sysconf) {
abort();
}
}
return (*os_sysconf)(name);
}
/* compatibility function so code does not have to be recompiled */
long macports_legacy_sysconf(int name) { return sysconf(name); }
#endif /*__MPLS_LIB_SUPPORT_SYSCONF_WRAP__*/