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#+build i386, amd64
#+build linux
package sysinfo
import "base:runtime"
import "core:sys/linux"
import "core:strings"
import "core:strconv"
@(init, private)
init_cpu_core_count :: proc "contextless" () {
context = runtime.default_context()
fd, err := linux.open("/proc/cpuinfo", {})
if err != .NONE { return }
defer linux.close(fd)
// This is probably enough right?
buf: [4096]byte
n, rerr := linux.read(fd, buf[:])
if rerr != .NONE || n == 0 { return }
str := string(buf[:n])
for line in strings.split_lines_iterator(&str) {
key, _, value := strings.partition(line, ":")
key = strings.trim_space(key)
value = strings.trim_space(value)
if key == "cpu cores" {
if num_physical_cores, ok := strconv.parse_int(value); ok {
cpu.physical_cores = num_physical_cores
}
}
if key == "siblings" {
if num_logical_cores, ok := strconv.parse_int(value); ok {
cpu.logical_cores = num_logical_cores
}
}
}
}
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