Function ap_proc_mutex_create

server/util_mutex.c:454–499

}

AP_DECLARE(apr_status_t) ap_proc_mutex_create(apr_proc_mutex_t **mutex,
                                              const char **name,
                                              const char *type,
                                              const char *instance_id,
                                              server_rec *s, apr_pool_t *p,
                                              apr_int32_t options)
{
    apr_status_t rv;
    const char *fname;
    mutex_cfg_t *mxcfg = mxcfg_lookup(p, type);

    if (options) {
        log_bad_create_options(s, type);
        return APR_EINVAL;
    }

    if (!mxcfg) {
        log_unknown_type(s, type);
        return APR_EINVAL;
    }

    if (mxcfg->none) {
        *mutex = NULL;
        return APR_SUCCESS;
    }

    fname = get_mutex_filename(p, mxcfg, type, instance_id);

    rv = apr_proc_mutex_create(mutex, fname, mxcfg->mech, p);
    if (rv != APR_SUCCESS) {
        log_create_failure(rv, s, type, fname);
        return rv;
    }

    if (name)
        *name = fname;

#ifdef AP_NEED_SET_MUTEX_PERMS
    rv = ap_unixd_set_proc_mutex_perms(*mutex);
    if (rv != APR_SUCCESS) {
        log_perms_failure(rv, s, type);
    }
#endif

    return rv;
}

AP_CORE_DECLARE(void) ap_dump_mutexes(apr_pool_t *p, server_rec *s, apr_file_t *out)
{