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oslimits_linux.go
47 lines (37 loc) · 980 Bytes
/
oslimits_linux.go
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package oslimits
import (
"fmt"
"os"
"runtime"
"strings"
"syscall"
)
func SetOpenFilesLimit(num int) bool {
is_linux := strings.Contains(strings.ToLower(runtime.GOOS), "linux")
if !is_linux {
return false
}
var rLimit syscall.Rlimit
err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit)
if err != nil {
fmt.Fprintf(os.Stderr, "Error Getting Rlimit "+err.Error())
return false
}
rLimit.Max = uint64(num)
rLimit.Cur = uint64(num)
err = syscall.Setrlimit(syscall.RLIMIT_NOFILE, &rLimit)
if err != nil {
fmt.Fprintf(os.Stderr, "Error Setting Rlimit "+err.Error())
return false
}
err = syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rLimit)
if err != nil {
fmt.Fprintf(os.Stderr, "Error Getting Rlimit "+err.Error())
return false
}
if rLimit.Max != uint64(num) || rLimit.Cur != uint64(num) {
_tmp := fmt.Sprintf("Error Setting Rlimit, requested %d, got %d/%d ", num, rLimit.Cur, rLimit.Max)
fmt.Fprintf(os.Stderr, _tmp)
}
return true
}