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Check the readability before acessing /proc/loadavg

This commit is contained in:
Michael 2022-10-18 08:02:55 +00:00
parent e198edf652
commit d43122c6d8
1 changed files with 6 additions and 3 deletions
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3
src/Core/System.php
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@ -442,10 +442,13 @@ class System
*/ */
public static function getLoadAvg(): array public static function getLoadAvg(): array
{ {
if (is_readable('/proc/loadavg')) {
$content = @file_get_contents('/proc/loadavg'); $content = @file_get_contents('/proc/loadavg');
if (empty($content)) { if (empty($content)) {
$content = shell_exec('cat /proc/loadavg'); $content = shell_exec('cat /proc/loadavg');
} }
}
if (empty($content) || !preg_match("#([.\d]+)\s([.\d]+)\s([.\d]+)\s(\d+)/(\d+)#", $content, $matches)) { if (empty($content) || !preg_match("#([.\d]+)\s([.\d]+)\s([.\d]+)\s(\d+)/(\d+)#", $content, $matches)) {
$load_arr = sys_getloadavg(); $load_arr = sys_getloadavg();
if (empty($load_arr)) { if (empty($load_arr)) {