/*
* close a file
*/
static
globus_result_t
globus_l_xio_pipe_close(
void * driver_specific_handle,
void * attr,
globus_xio_operation_t op)
{
xio_l_pipe_handle_t * handle;
GlobusXIOName(globus_l_xio_pipe_close);
GlobusXIOPipeDebugEnter();
handle = (xio_l_pipe_handle_t *) driver_specific_handle;
globus_xio_system_file_destroy(handle->in_system);
globus_xio_system_file_destroy(handle->out_system);
globus_xio_system_file_close(handle->infd);
globus_xio_system_file_close(handle->outfd);
globus_xio_driver_finished_close(op, GLOBUS_SUCCESS);
globus_l_xio_pipe_handle_destroy(handle);
GlobusXIOPipeDebugExit();
return GLOBUS_SUCCESS;
}
static
void
globus_l_xio_net_manager_close_cb(
globus_xio_operation_t op,
globus_result_t result,
void * user_arg)
{
globus_l_xio_net_manager_handle_t *handle = user_arg;
if (!handle)
{
goto no_handle;
}
if (result == GLOBUS_SUCCESS)
{
result = globus_net_manager_context_post_close(
handle->attr->context,
handle->attr->task_id ? handle->attr->task_id : "unset",
handle->transport_name,
handle->local_contact,
handle->remote_contact,
handle->attr->attr_array);
}
globus_l_xio_net_manager_attr_destroy(handle->attr);
free(handle->remote_contact);
free(handle->local_contact);
free(handle);
no_handle:
globus_xio_driver_finished_close(op, result);
}
static void
globus_l_xio_telnet_close_cb(
globus_xio_operation_t op,
globus_result_t result,
void * user_arg)
{
globus_l_xio_telnet_handle_t * handle;
handle = (globus_l_xio_telnet_handle_t *) user_arg;
globus_xio_driver_finished_close(op, result);
globus_free(handle->read_buffer);
globus_fifo_destroy(&handle->write_q);
globus_mutex_destroy(&handle->mutex);
globus_free(handle);
}
static void
test_bounce_finish_op(
bounce_info_t * info,
globus_xio_operation_t op)
{
GlobusXIOName(test_bounce_finish_op);
GlobusXIOTestDebugInternalEnter();
switch(info->start_op)
{
case TEST_READ:
globus_xio_driver_finished_read(op, info->res, info->nbytes);
break;
case TEST_WRITE:
globus_xio_driver_finished_write(op, info->res, info->nbytes);
break;
case TEST_OPEN:
if(info->res != GLOBUS_SUCCESS)
{
bounce_handle_destroy(info->handle);
info->handle = NULL;
}
globus_xio_driver_finished_open(
info->handle, op, info->res);
break;
case TEST_CLOSE:
globus_xio_driver_finished_close(op, info->res);
bounce_handle_destroy(info->handle);
break;
default:
globus_assert(0);
break;
}
globus_free(info);
GlobusXIOTestDebugInternalExit();
}
static
void
globus_l_xio_wrapblock_close_kickout(
void * user_arg)
{
xio_l_wrapblock_handle_t * wrapblock_handle;
globus_result_t result;
xio_l_wrapblock_wrapper_t * wrapper;
globus_thread_blocking_will_block();
wrapper = (xio_l_wrapblock_wrapper_t *) user_arg;
wrapblock_handle = wrapper->wrapblock_handle;
result = wrapper->wrapblock_handle->wrapblock_driver->close_func(
wrapblock_handle->driver_handle,
wrapper->attr);
globus_xio_driver_finished_close(wrapper->op, result);
xio_l_wrapblock_wrapper_destroy(wrapper);
globus_free(wrapblock_handle);
}
static
globus_result_t
globus_l_xio_wrapblock_close(
void * driver_specific_handle,
void * attr,
globus_xio_operation_t op)
{
globus_result_t result;
xio_l_wrapblock_wrapper_t * wrapper;
xio_l_wrapblock_handle_t * wrapblock_handle;
wrapblock_handle = (xio_l_wrapblock_handle_t *) driver_specific_handle;
if(globus_xio_driver_operation_is_blocking(op))
{
result = wrapblock_handle->wrapblock_driver->close_func(
wrapblock_handle->driver_handle,
attr);
globus_xio_driver_finished_close(op, result);
globus_free(wrapblock_handle);
}
else
{
wrapper = (xio_l_wrapblock_wrapper_t *)
globus_calloc(1, sizeof(xio_l_wrapblock_wrapper_t));
wrapper->attr = attr;
wrapper->op = op;
wrapper->wrapblock_handle = driver_specific_handle;
globus_callback_register_oneshot(
NULL,
NULL,
globus_l_xio_wrapblock_close_kickout,
wrapper);
}
return GLOBUS_SUCCESS;
}
static
void
globus_l_popen_waitpid(
xio_l_popen_handle_t * handle,
int opts)
{
globus_result_t result = GLOBUS_SUCCESS;
int status;
int rc;
globus_reltime_t delay;
GlobusXIOName(globus_l_popen_waitpid);
#ifdef WIN32
result = GlobusXIOErrorSystemResource("not available for windows");
#else
rc = waitpid(handle->pid, &status, opts);
if(rc > 0)
{
/* if program exited normally, but with a nonzero code OR
* program exited by signal, and we didn't signal it */
if(((WIFEXITED(status) && WEXITSTATUS(status) != 0) ||
(WIFSIGNALED(status) && handle->kill_state != GLOBUS_L_XIO_POPEN_NONE))
&& !handle->ignore_program_errors)
{
/* read programs stderr and dump it to an error result */
globus_size_t nbytes = 0;
globus_xio_iovec_t iovec;
char buf[8192];
iovec.iov_base = buf;
iovec.iov_len = sizeof(buf) - 1;
result = globus_xio_system_file_read(
handle->err_system, 0, &iovec, 1, 0, &nbytes);
buf[nbytes] = 0;
if(WIFEXITED(status))
{
result = globus_error_put(
globus_error_construct_error(
GLOBUS_XIO_MODULE,
GLOBUS_NULL,
GLOBUS_XIO_ERROR_SYSTEM_ERROR,
__FILE__,
_xio_name,
__LINE__,
_XIOSL("popened program exited with an error "
"(exit code: %d):\n%s"),
WEXITSTATUS(status),
buf));
}
else
{
result = globus_error_put(
globus_error_construct_error(
GLOBUS_XIO_MODULE,
GLOBUS_NULL,
GLOBUS_XIO_ERROR_SYSTEM_ERROR,
__FILE__,
_xio_name,
__LINE__,
_XIOSL("popened program was terminated by a signal"
"(sig: %d)"),
WTERMSIG(status)));
}
}
globus_xio_system_file_close(handle->errfd);
globus_xio_system_file_destroy(handle->err_system);
globus_xio_driver_finished_close(handle->close_op, result);
globus_l_xio_popen_handle_destroy(handle);
}
else if(rc < 0 || opts == 0)
{
/* If the errno is ECHILD, either some other thread or part of the
* program called wait and got this pid's exit status, or sigaction
* with SA_NOCLDWAIT prevented the process from becoming a zombie. Not
* really an error case.
*/
if (errno != ECHILD)
{
result = GlobusXIOErrorSystemError("waitpid", errno);
}
globus_xio_system_file_close(handle->errfd);
globus_xio_system_file_destroy(handle->err_system);
globus_xio_driver_finished_close(handle->close_op, result);
globus_l_xio_popen_handle_destroy(handle);
}
else
{
handle->wait_count++;
if(handle->canceled)
{
switch(handle->kill_state)
{
case GLOBUS_L_XIO_POPEN_NONE:
if(handle->wait_count > 5000 / GLOBUS_L_XIO_POPEN_WAITPID_DELAY)
{
handle->kill_state = GLOBUS_L_XIO_POPEN_TERM;
kill(handle->pid, SIGTERM);
}
break;
case GLOBUS_L_XIO_POPEN_TERM:
if(handle->wait_count > 15000 / GLOBUS_L_XIO_POPEN_WAITPID_DELAY)
{
handle->kill_state = GLOBUS_L_XIO_POPEN_KILL;
kill(handle->pid, SIGKILL);
}
break;
default:
break;
}
}
GlobusTimeReltimeSet(delay, 0, GLOBUS_L_XIO_POPEN_WAITPID_DELAY);
globus_callback_register_oneshot(
NULL,
&delay,
globus_l_xio_popen_close_oneshot,
handle);
}
#endif
GlobusXIOPOpenDebugExit();
}
