From d2f5be2a1235061b46c51d7530264d086eca46ef Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Fri, 8 Sep 1995 17:02:25 +0000 Subject: Document new files for Linux i386/ELF port. Fri Sep 8 16:32:12 1995 Ulrich Drepper * sysdeps/unix/sysv/linux/Implies, sysdeps/unix/sysv/linux/Makefile, sysdeps/unix/sysv/linux/Subdirs, sysdeps/unix/sysv/linux/accept.S, sysdeps/unix/sysv/linux/adjtime.c, sysdeps/unix/sysv/linux/adjtimex.S, sysdeps/unix/sysv/linux/bind.S, sysdeps/unix/sysv/linux/connect.S, sysdeps/unix/sysv/linux/direct.h, sysdeps/unix/sysv/linux/dl-machine.h, sysdeps/unix/sysv/linux/errnos.h, sysdeps/unix/sysv/linux/fork.S, sysdeps/unix/sysv/linux/gethostid.c, sysdeps/unix/sysv/linux/gethostname.C, sysdeps/unix/sysv/linux/getpeername.S, sysdeps/unix/sysv/linux/getpgid.S, sysdeps/unix/sysv/linux/getpgrp.S, sysdeps/unix/sysv/linux/getsockname.S, sysdeps/unix/sysv/linux/getsockopt.S, sysdeps/unix/sysv/linux/gtty.S, sysdeps/unix/sysv/linux/listen.S, sysdeps/unix/sysv/linux/local_lim.h, sysdeps/unix/sysv/linux/madvise.c, sysdeps/unix/sysv/linux/msgctl.c, sysdeps/unix/sysv/linux/msgget.c, sysdeps/unix/sysv/linux/msgrcv.c, sysdeps/unix/sysv/linux/msgsnd.c, sysdeps/unix/sysv/linux/pipe.S, sysdeps/unix/sysv/linux/poll.c, sysdeps/unix/sysv/linux/readv.c, sysdeps/unix/sysv/linux/recv.S, sysdeps/unix/sysv/linux/recvfrom.S, sysdeps/unix/sysv/linux/recvmsg.S, sysdeps/unix/sysv/linux/semctl.c, sysdeps/unix/sysv/linux/semget.c, sysdeps/unix/sysv/linux/semop.c, sysdeps/unix/sysv/linux/send.S, sysdeps/unix/sysv/linux/sendmsg.S, sysdeps/unix/sysv/linux/sendto.S, sysdeps/unix/sysv/linux/setegid.c, sysdeps/unix/sysv/linux/seteuid.c, sysdeps/unix/sysv/linux/sethostid.c, sysdeps/unix/sysv/linux/setpgid.c, sysdeps/unix/sysv/linux/setpgrp.c, sysdeps/unix/sysv/linux/setsid.S, sysdeps/unix/sysv/linux/setsockopt.S, sysdeps/unix/sysv/linux/settimeofday.S, sysdeps/unix/sysv/linux/shmat.c, sysdeps/unix/sysv/linux/shmctl.c, sysdeps/unix/sysv/linux/shmdt.c, sysdeps/unix/sysv/linux/shmget.c, sysdeps/unix/sysv/linux/shutdown.S, sysdeps/unix/sysv/linux/sigaction.S, sysdeps/unix/sysv/linux/signal.S, sysdeps/unix/sysv/linux/sigpending.S, sysdeps/unix/sysv/linux/sigset.h, sysdeps/unix/sysv/linux/sockaddrcom.h, sysdeps/unix/sysv/linux/socketpair.S, sysdeps/unix/sysv/linux/speed.c, sysdeps/unix/sysv/linux/statbuf.h, sysdeps/unix/sysv/linux/stty.S, sysdeps/unix/sysv/linux/syscall.h, sysdeps/unix/sysv/linux/sysconf.c, sysdeps/unix/sysv/linux/tcdrain.c, sysdeps/unix/sysv/linux/tcflow.c, sysdeps/unix/sysv/linux/tcflush.c, sysdeps/unix/sysv/linux/tcgetattr.c, sysdeps/unix/sysv/linux/tcsetattr.c, sysdeps/unix/sysv/linux/termbits.h, sysdeps/unix/sysv/linux/ualarm.c, sysdeps/unix/sysv/linux/ulimit.c, sysdeps/unix/sysv/linux/usleep.c, sysdeps/unix/sysv/linux/utsnamelen.h, sysdeps/unix/sysv/linux/vfork.c, sysdeps/unix/sysv/linux/wait.c, sysdeps/unix/sysv/linux/wait4.S, sysdeps/unix/sysv/linux/waitpid.c, sysdeps/unix/sysv/linux/writev.c: New Linux/ELF specific, architecture independent files. sysdeps/unix/sysv/linux/i386/Dist, sysdeps/unix/sysv/linux/i386/Makefile, sysdeps/unix/sysv/linux/i386/brk.S, sysdeps/unix/sysv/linux/i386/fcntlbits.h, sysdeps/unix/sysv/linux/i386/fpu_control.c, sysdeps/unix/sysv/linux/i386/fpu_control.h, sysdeps/unix/sysv/linux/i386/fstat.S, sysdeps/unix/sysv/linux/i386/fxstat.S, sysdeps/unix/sysv/linux/i386/ieee_fpu.c, sysdeps/unix/sysv/linux/i386/init-first.S, sysdeps/unix/sysv/linux/i386/ipc.S, sysdeps/unix/sysv/linux/i386/lstat.S, sysdeps/unix/sysv/linux/i386/lxstat.S, sysdeps/unix/sysv/linux/i386/mknod.S, sysdeps/unix/sysv/linux/i386/mmap.S, sysdeps/unix/sysv/linux/i386/sbrk.S, sysdeps/unix/sysv/linux/i386/setfpucw.c, sysdeps/unix/sysv/linux/i386/signum.h, sysdeps/unix/sysv/linux/i386/socket.S, sysdeps/unix/sysv/linux/i386/stat.S, sysdeps/unix/sysv/linux/i386/syscall.S, sysdeps/unix/sysv/linux/i386/sysdep.S, sysdeps/unix/sysv/linux/i386/sysdep.h, sysdeps/unix/sysv/linux/i386/xmknod.S, sysdeps/unix/sysv/linux/i386/xstat.S: New Linux i386/ELF specific files. sysdeps/unix/sysv/linux/sys/ipc_buf.h, sysdeps/unix/sysv/linux/sys/mman.h, sysdeps/unix/sysv/linux/sys/msq_buf.h, sysdeps/unix/sysv/linux/sys/sem_buf.h, sysdeps/unix/sysv/linux/sys/shm_buf.h, sysdeps/unix/sysv/linux/sys/socketcall.h, sysdeps/unix/sysv/linux/sys/timex.h: New Linux/ELF specific, architecture independent header files. --- sysdeps/unix/sysv/linux/speed.c | 103 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+) create mode 100644 sysdeps/unix/sysv/linux/speed.c (limited to 'sysdeps/unix/sysv/linux/speed.c') diff --git a/sysdeps/unix/sysv/linux/speed.c b/sysdeps/unix/sysv/linux/speed.c new file mode 100644 index 0000000000..84811deba6 --- /dev/null +++ b/sysdeps/unix/sysv/linux/speed.c @@ -0,0 +1,103 @@ +/* `struct termios' speed frobnication functions. Linux version. +Copyright (C) 1991, 1992, 1993, 1995 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include +#include +#include + +static const speed_t speeds[] = + { + 0, + 50, + 75, + 110, + 134, + 150, + 200, + 300, + 600, + 1200, + 1800, + 2400, + 4800, + 9600, + 19200, + 38400, + 38400, /* Mention this twice here is a trick. */ + 57600, + 115200, + 230400, + }; + + +/* Return the output baud rate stored in *TERMIOS_P. */ +speed_t +cfgetospeed (termios_p) + const struct termios *termios_p; +{ + speed_t retval = termios_p->c_cflag & (CBAUD | CBAUDEX); + + if (retval & CBAUDEX) + { + retval &= ~CBAUDEX; + retval |= CBAUD + 1; + } + + return retval; +} + +/* Return the input baud rate stored in *TERMIOS_P. + For Linux there is no difference between input and output speed. */ +strong_alias (cfgetospeed, cfgetispeed); + +/* Set the output baud rate stored in *TERMIOS_P to SPEED. */ +int +cfsetospeed (termios_p, speed) + struct termios *termios_p; + speed_t speed; +{ + register unsigned int i; + + if (termios_p == NULL) + { + errno = EINVAL; + return -1; + } + + /* This allows either B1200 or 1200 to work. XXX + Do we really want to try to support this, given that + fetching the speed must return one or the other? */ + + for (i = 0; i < sizeof (speeds) / sizeof (speeds[0]); ++i) + if (i == speed || speeds[i] == speed) + { + termios_p->c_cflag &= ~(CBAUD | CBAUDEX); + termios_p->c_cflag |= (i & CBAUD); + if (i & ~CBAUD) + termios_p->c_cflag |= CBAUDEX; + return 0; + } + + errno = EINVAL; + return -1; +} + +/* Set the input baud rate stored in *TERMIOS_P to SPEED. + For Linux there is no difference between input and output speed. */ +strong_alias (cfsetospeed, cfsetispeed); -- cgit 1.4.1