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auxinfo.c
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Editing: auxinfo.c
/* * This file is in public domain. * Written by Konstantin Belousov <kib@freebsd.org> * * $FreeBSD$ */ #include <sys/mman.h> #include <err.h> #include <stdlib.h> #include <stdint.h> #include <stdio.h> #include <unistd.h> static void test_pagesizes(void) { size_t *ps; int i, nelem; nelem = getpagesizes(NULL, 0); if (nelem == -1) err(1, "getpagesizes(NULL, 0)"); ps = malloc(nelem * sizeof(size_t)); if (ps == NULL) err(1, "malloc"); nelem = getpagesizes(ps, nelem); if (nelem == -1) err(1, "getpagesizes"); printf("Supported page sizes:"); for (i = 0; i < nelem; i++) printf(" %jd", (intmax_t)ps[i]); printf("\n"); } static void test_pagesize(void) { printf("Pagesize: %d\n", getpagesize()); } static void test_osreldate(void) { printf("OSRELDATE: %d\n", getosreldate()); } static void test_ncpus(void) { printf("NCPUs: %ld\n", sysconf(_SC_NPROCESSORS_CONF)); } int main(int argc __unused, char *argv[] __unused) { test_pagesizes(); test_pagesize(); test_osreldate(); test_ncpus(); return (0); }
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