Subversion Repositories HelenOS

int stat(const char *path, struct stat *stat)

{

    ipcarg_t rc;

    aid_t req;

    size_t pa_size;

    char *pa = absolutize(path, &pa_size);

    if (!pa)

        return ENOMEM;

    futex_down(&vfs_phone_futex);

    async_serialize_start();

    vfs_connect();

    req = async_send_0(vfs_phone, VFS_IN_STAT, NULL);

    rc = ipc_data_write_start(vfs_phone, pa, pa_size);

    if (rc != EOK) {

        async_wait_for(req, NULL);

        async_serialize_end();

        futex_up(&vfs_phone_futex);

        free(pa);

        return (int) rc;

    }

    rc = ipc_data_read_start(vfs_phone, stat, sizeof(struct stat));

    if (rc != EOK) {

        async_wait_for(req, NULL);

        async_serialize_end();

        futex_up(&vfs_phone_futex);

        free(pa);

        return (int) rc;

    }

    async_wait_for(req, &rc);

    async_serialize_end();

    futex_up(&vfs_phone_futex);

    free(pa);

    return rc;

}