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package helper
import (
"log"
"net/http"
"os/exec"
"syscall"
)
func Fail500(w http.ResponseWriter, r *http.Request, err error) {
http.Error(w, "Internal server error", 500)
printError(r, err)
}
func LogError(r *http.Request, err error) {
printError(r, err)
}
func printError(r *http.Request, err error) {
if r != nil {
log.Printf("error: %s %q: %v", r.Method, r.RequestURI, err)
} else {
log.Printf("error: %v", err)
}
}
func CleanUpProcessGroup(cmd *exec.Cmd) {
if cmd == nil {
return
}
process := cmd.Process
if process != nil && process.Pid > 0 {
// Send SIGTERM to the process group of cmd
syscall.Kill(-process.Pid, syscall.SIGTERM)
}
// reap our child process
cmd.Wait()
}
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