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Prevent races on resovlconf generation as well by adding a lock.

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This commit is contained in:
Ermal 2011-05-30 13:11:03 +00:00
parent b45babaeb5
commit d97ff036ab
1 changed files with 6 additions and 1 deletions
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7
etc/inc/system.inc
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@ -116,9 +116,12 @@ function system_resolvconf_generate($dynupdate = false) {
}
}
$dnslock = lock('resolvconf', LOCK_EX);
$fd = fopen("{$g['varetc_path']}/resolv.conf", "w");
if (!$fd) {
printf("Error: cannot open resolv.conf in system_resolvconf_generate().\n");
unlock($dnslock);
return 1;
}
@ -148,7 +151,9 @@ function system_resolvconf_generate($dynupdate = false) {
}
}
}
unlock($dnslock);
return 0;
}