From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Mon, 15 Aug 2022 16:37:43 +0000 (+0100)
Subject: prefork-interp: Logging directability
X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?a=commitdiff_plain;h=6fc66aebbbe5a741d9d2c7484fa4eae71d4fb233;p=chiark-utils.git

prefork-interp: Logging directability

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---

diff --git a/perl/Prefork.pm b/perl/Prefork.pm
index d79eb5b..b07a2e7 100644
--- a/perl/Prefork.pm
+++ b/perl/Prefork.pm
@@ -16,10 +16,15 @@ our $env_name = 'PREFORK_INTERP';
 
 our @call_fds;
 our $socket_path;
+our $fail_log = 0;
 
 sub fail_log ($) {
   my ($m) = @_;
-  syslog(LOG_ERR, "$0: prefork [$$]: error: $m");
+  if ($fail_log) {
+    syslog(LOG_ERR, "$0: prefork [$$]: error: $m");
+  } else {
+    croak "$0: prefork: initialisation error: $m";
+  }
   _exit 127;
 }
 
@@ -166,6 +171,7 @@ sub initialisation_complete {
   
   # --- server(pm) [2] ----
 
+  $fail_log = 1;
   setsid() > 0 or fail_log("setsid: $!");
   open STDIN, "<&NULL" or fail_log("dup null onto stdin: $!");
   open STDOUT, ">&NULL" or fail_log("dup null onto stdout: $!");