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proc_close after proc_get_status always returns -1 #10239

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proc_close after proc_get_status always returns -1#10239
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BugExtension: standardStatus: Needs Triage

Description

@pezcurrel
pezcurrel
opened on Jan 6, 2023

Description

The following code:

<?php
$p = proc_open('sleep 1', array(), $foo);
do {
    usleep(100000);
    $s = proc_get_status($p);
    echo $s['running'] ? 'Running' : 'Finished', PHP_EOL;
} while ($s['running']);
echo proc_close($p), PHP_EOL;

Resulted in this output:

Running
Running
Running
...
Finished
-1

But I expected this output instead:

Running
Running
Running
...
Finished
0

PHP Version

PHP 8.1.13

Operating System

Arch Linux

Activity

  1. pezcurrel
    added
    Bug
    Status: Needs Triage
    on Jan 6, 2023
  2. cmb69
    added
    Extension: standard
    on Jan 6, 2023

  3. ndossche commented on Jan 6, 2023

    @ndossche
    ndossche
    on Jan 6, 2023
    Member

    This also fails:

    <?php
$p = proc_open('sleep 1', array(), $foo);
usleep(2*1000*1000);
var_dump(proc_get_status($p)); // correct result here
var_dump(proc_get_status($p)); // wrong result here (-1 exit code)

    It's because once you read the status, the zombie goes away and you can't read it again. I'll take a look to patch this.

  4. ndossche
    added 2 commits that reference this issue on Feb 18, 2023

    Fix phpGH-10239: proc_close after proc_get_status always returns -1

    62dc267

    Add regression tests for phpGH-10239

    9c514e8
  5. iluuu1994
    closed this as completedin 25d6c93on Feb 22, 2023
  6. oerdnj
    added a commit that references this issue on Jul 8, 2026

    Fix phpGH-10239: proc_close after proc_get_status always returns -1

    25d6c93
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