Function process_lock_claim_mode

src/daemon/ipc.c:472–503

static bool posix_socket_status_secure_transport(const struct stat *status);

static int process_lock_claim_mode(const cbm_daemon_ipc_endpoint_t *endpoint, const char *lock_name,
                                   bool shared, process_lock_entry_t **entry_out) {
    *entry_out = NULL;
    if (!endpoint || !lock_name || pthread_mutex_lock(&process_locks_mutex) != 0) {
        return -1;
    }
    for (process_lock_entry_t *entry = process_locks; entry; entry = entry->next) {
        if (entry->directory_device == endpoint->dir_device &&
            entry->directory_inode == endpoint->dir_inode &&
            strcmp(entry->lock_name, lock_name) == 0 && (!shared || !entry->shared)) {
            (void)pthread_mutex_unlock(&process_locks_mutex);
            return 0;
        }
    }
    process_lock_entry_t *entry = calloc(1, sizeof(*entry));
    if (entry) {
        entry->lock_name = string_copy(lock_name);
    }
    if (!entry || !entry->lock_name) {
        free(entry);
        (void)pthread_mutex_unlock(&process_locks_mutex);
        return -1;
    }
    entry->directory_device = endpoint->dir_device;
    entry->directory_inode = endpoint->dir_inode;
    entry->shared = shared;
    entry->next = process_locks;
    process_locks = entry;
    *entry_out = entry;
    (void)pthread_mutex_unlock(&process_locks_mutex);
    return 1;
}

static int process_lock_claim(const cbm_daemon_ipc_endpoint_t *endpoint, const char *lock_name,
                              process_lock_entry_t **entry_out) {