Maarrk/tio
1
0
Fork 0
mirror of https://github.com/tio/tio.git synced 2026-05-01 14:57:59 +02:00
Code Issues Projects Releases 1 Packages Wiki Activity Actions

Fix write in non-interactive piping mode

Browse source 
So that piping does not break when write buffer is full because e.g.
device has flow control enabled and can't keep up.
This commit is contained in:
Martin Lund 2025-05-11 07:11:07 +02:00
parent f887756a71
commit d1328e694e
1 changed files with 13 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

13
src/tty.c
View file

@ -2641,6 +2641,19 @@ int tty_connect(void)
/* If stdin is a pipe forward all input to tty device */
if (interactive_mode == false)
{
// Set blocking mode for serial device (blocking write)
int flags = fcntl(device_fd, F_GETFL, 0);
if (flags == -1)
{
tio_error_printf("Could not read descriptor flags (%s)", strerror(errno));
exit(EXIT_FAILURE);
}
if (fcntl(device_fd, F_SETFL, flags & ~O_NONBLOCK) == -1)
{
tio_error_printf("Could not set descriptor flags (%s)", strerror(errno));
exit(EXIT_FAILURE);
}
while (true)
{
int ret = read(pipefd[0], &input_char, 1);