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When c_ospeed in termio is null, NetBSD hangup the terminal. Since Linux 

does not do this, we fake null c_ospeed values by -1 in the kernel, so
that NetBSD does not hangup.
This commit is contained in:
manu 2001-05-22 21:05:49 +00:00
parent 2addefd3d7
commit 23e3fc1231
1 changed files with 15 additions and 1 deletions
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16
sys/compat/linux/common/linux_termios.c
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@ -1,4 +1,4 @@
/* $NetBSD: linux_termios.c,v 1.11 2001/02/21 21:39:57 jdolecek Exp $ */
/* $NetBSD: linux_termios.c,v 1.12 2001/05/22 21:05:49 manu Exp $ */
/*-
* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
@ -325,6 +325,13 @@ linux_termios_to_bsd_termios(lts, bts)
if (index & LINUX_CBAUDEX)
index = (index & ~LINUX_CBAUDEX) + LINUX_NSPEEDS - 1;
bts->c_ispeed = bts->c_ospeed = linux_speeds[index];
/*
* A null c_ospeed causes NetBSD to hangup the terminal.
* Linux does not do this, and it sets c_ospeed to zero
* sometimes. If it is null, we store -1 in the kernel
*/
if (bts->c_ospeed == 0)
bts->c_ospeed = -1;
bts->c_cc[VINTR] = lts->c_cc[LINUX_VINTR];
bts->c_cc[VQUIT] = lts->c_cc[LINUX_VQUIT];
@ -419,6 +426,13 @@ bsd_termios_to_linux_termios(bts, lts)
break;
}
}
/*
* A null c_ospeed causes NetBSD to hangup the terminal.
* Linux does not do this, and it sets c_ospeed to zero
* sometimes. If it is null, we store -1 in the kernel
*/
if (bts->c_ospeed == -1)
bts->c_ospeed = 0;
lts->c_cflag |= mask;
lts->c_cc[LINUX_VINTR] = bts->c_cc[VINTR];