cosmopolitan/examples/getcpucount.c
Justine Tunney 3a9cac4892
Fix small matters and improve sysconf()
- Fix mkdeps.com out of memory error
- Remove static memory from __get_cpu_count()
- Add support for passing hyphen to cat in cocmd
- Change more ZipOS errors from ENOTSUP to EROFS
- Specify mem_unit in sysinfo() output on BSD OSes
2023-08-17 00:32:11 -07:00

33 lines
1.4 KiB
C

#if 0
/*─────────────────────────────────────────────────────────────────╗
│ To the extent possible under law, Justine Tunney has waived │
│ all copyright and related or neighboring rights to this file, │
│ as it is written in the following disclaimers: │
│ • http://unlicense.org/ │
│ • http://creativecommons.org/publicdomain/zero/1.0/ │
╚─────────────────────────────────────────────────────────────────*/
#endif
#include "libc/calls/calls.h"
#include "libc/errno.h"
#include "libc/fmt/itoa.h"
#include "libc/intrin/kprintf.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/stdio.h"
// this implementation uses cosmopolitan specific apis so that the
// resulting program will be 28kb in size. the proper way to do it
// though is use sysconf(_SC_NPROCESSORS_ONLN), which is humongous
int main() {
int count;
if ((count = __get_cpu_count()) != -1) {
char ibuf[12];
FormatInt32(ibuf, count);
tinyprint(1, ibuf, "\n", NULL);
return 0;
} else {
perror("__get_cpu_count");
return 1;
}
}