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| author | Christian Mauderer <christian.mauderer@embedded-brains.de> | 2021-08-12 09:51:55 +0200 |
|---|---|---|
| committer | Christian Mauderer <christian.mauderer@embedded-brains.de> | 2022-02-10 09:07:26 +0100 |
| commit | 7b5948d4d220ad33864a7b60d8133809908b0d2e (patch) | |
| tree | 1bf85909962d28b96d57bac0e3fd869f2be0a7aa /cpukit/include/rtems/termiostypes.h | |
| parent | cpukit/microblaze: Simplify dispatch assembly (diff) | |
| download | rtems-7b5948d4d220ad33864a7b60d8133809908b0d2e.tar.bz2 | |
termios: Pass number of sent chars to l_start
At the moment the line discipline start function (l_start) has no
possibility to get feedback about the number of characters that have
been sent. This patch passes that information via an additional
parameter.
The change might trigger a warning on existing code because of a pointer
mismatch but it shouldn't break it. An existing function with the old
API will just ignore the additional parameter.
Update #4493
Diffstat (limited to '')
| -rw-r--r-- | cpukit/include/rtems/termiostypes.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/cpukit/include/rtems/termiostypes.h b/cpukit/include/rtems/termiostypes.h index ef2c958271..5821d52775 100644 --- a/cpukit/include/rtems/termiostypes.h +++ b/cpukit/include/rtems/termiostypes.h @@ -367,6 +367,10 @@ typedef struct rtems_termios_tty { */ rtems_id rxTaskId; rtems_id txTaskId; + /* + * Information for the tx task how many characters have been dequeued. + */ + int txTaskCharsDequeued; /* * line discipline related stuff @@ -482,7 +486,7 @@ struct rtems_termios_linesw { int (*l_read )(struct rtems_termios_tty *tp,rtems_libio_rw_args_t *args); int (*l_write)(struct rtems_termios_tty *tp,rtems_libio_rw_args_t *args); int (*l_rint )(int c,struct rtems_termios_tty *tp); - int (*l_start)(struct rtems_termios_tty *tp); + int (*l_start)(struct rtems_termios_tty *tp,int len); int (*l_ioctl)(struct rtems_termios_tty *tp,rtems_libio_ioctl_args_t *args); int (*l_modem)(struct rtems_termios_tty *tp,int flags); }; |