[Bug 56803] Apache web server hung with this message "[emerg] (22)Invalid argument: couldn't grab the accept mutex"

[bu...@apache.org]

https://issues.apache.org/bugzilla/show_bug.cgi?id=56803

--- Comment #1 from Mike Rumph <mi...@oracle.com> ---
Hello Rajeshwaran,

This message is issued from the following code segment in
server/mpm/prefork/prefork.c:

static void accept_mutex_on(void)
{
    apr_status_t rv = apr_proc_mutex_lock(accept_mutex);
    if (rv != APR_SUCCESS) {
        const char *msg = "couldn't grab the accept mutex";

        if (ap_my_generation !=
            ap_scoreboard_image->global->running_generation) {
            ap_log_error(APLOG_MARK, APLOG_DEBUG, rv, NULL, "%s", msg);
            clean_child_exit(0);
        }
        else {
            ap_log_error(APLOG_MARK, APLOG_EMERG, rv, NULL, "%s", msg);
            exit(APEXIT_CHILDFATAL);
        }
    }
}

Thanks,

Mike Rumph

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