FreeCalypso > hg > freecalypso-tools
view libserial-posix/openport.c @ 698:9ecbf1bf2e1b
fc-iram: added '+' to getopt magic string like in fc-xram
Both fc-iram and fc-xram now support secondary program invokation.
If the user needs to pass some options to the secondary program,
we don't want fc-iram or fc-xram to claim these options as its own,
thus we need to stop getopt() from reordering arguments. This fix
was already implemented in fc-xram a long time ago, but the issue
was overlooked when secondary program invokation ability was added
to fc-iram.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Tue, 31 Mar 2020 03:23:26 +0000 |
parents | fd7b447b99e3 |
children |
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/* * This module implements the basic serial port opening operation. */ #include <sys/types.h> #include <sys/file.h> #include <sys/ioctl.h> #include <stdio.h> #include <stdlib.h> #include <unistd.h> int target_fd; open_serial_port(ttyport) char *ttyport; { target_fd = open(ttyport, O_RDWR|O_NONBLOCK); if (target_fd < 0) { perror(ttyport); exit(1); } ioctl(target_fd, TIOCEXCL); return 0; }