| Commit message (Collapse) | Author | Age | Files | Lines |
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returned a buffer which was not zero-filled, the reference count
was not correct. When the application exitted, the "lastClose"
handler was not being called to flush the output. This problem
had manifested itself on a variety of platforms.
The function rtems_termios_dequeue_characters() incorrectly incremented
the buffer pointers when it was invoked and there were no characters
in the ring buffer. This problem had also manifested itself on a
variety of platforms. The symptom was a strange repeating of the
data in the transmitter buffer when the transmitter serial device
was supposed to go idle.
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Haven't had a chance to do an extensive shake-out of 980710, but it
builds just fine on FreeBSD 2.2.5 (after termios is fixed using the
attached patch), and the tests run fine. FYI: FreeBSD doesn't support
System V IPC out of the box, but one only needs to add three options
to the kernel build configuration file, recompile the kernel, and
you're ready.
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cfsetispeed().
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Eric Norum per request from Geoffroy Montel:
> The rtems_termios_enqueue_raw_characters function type is void.
> The problem is that I can't return an error message if the input
> buffer is full.
> Could we add a return value?
Sure, but what would you do with the overflow indication? POSIX says,
``when the input limit is reached, the saved characters are thrown away
without notice''.
Anyhow, the change is so small I've done it and enclosed the patch.
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support for device driver support on tcsetattr(), and hardware
flow control callbacks.
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With this in place, it is possible to fdopen a TCP stream socket and
getc/fprintf/etc. on the STDIO stream!
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+ major and minor number elements in rtems_termios_open.
+ arg->ioctl_return in rtems_termios_ioctl routine.
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properly reflect the const on the buffer pointer being passed in.
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Added new entry point to add in per physical port resource requirements.
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ring buffer in conjunction with a counting semaphore.
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