42 lines
1.1 KiB
C
42 lines
1.1 KiB
C
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#include <sys/time.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <sys/resource.h>
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#include <unistd.h>
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#include <limits.h>
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int main()
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{
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// Struct for getrlimit()
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struct rlimit rlim;
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// For calculating clock resolution
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long ticks = 0L;
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// Page size
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printf("Page size (bytes): %ld\n", sysconf(_SC_PAGESIZE));
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// Physical pages
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printf("Number of physical pages: %ld\n", sysconf(_SC_PHYS_PAGES));
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// # of processes per user
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printf("Max # of processes per user: %ld\n", sysconf(_SC_CHILD_MAX));
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// File size
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getrlimit(RLIMIT_FSIZE, &rlim);
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printf("Max file size (bytes) | soft limit: %ld\n", rlim.rlim_cur);
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printf("Max file size (bytes) | hard limit: %ld\n", rlim.rlim_max);
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// Number of open files
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getrlimit(RLIMIT_NOFILE, &rlim);
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printf("Number of open files | soft limit: %ld\n", rlim.rlim_cur);
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printf("Number of open files | hard limit: %ld\n", rlim.rlim_max);
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// Getting ticks per second
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ticks = sysconf(_SC_CLK_TCK);
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// Clock resolution
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printf("Clock resolution (ms): %ld\n", 1000 / ticks);
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return 0;
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}
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