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| author | Nick Sayer <nsayer@FreeBSD.org> | 2000-07-31 23:47:57 +0000 |
|---|---|---|
| committer | Nick Sayer <nsayer@FreeBSD.org> | 2000-07-31 23:47:57 +0000 |
| commit | 3d4a189e9f2bb78a7cb69e1b8e88465f6cffcbd2 (patch) | |
| tree | 237f45c02cb777f82b187b0568102a7af28d2c3b /libexec/getty/main.c | |
| parent | c85540dd55bbfd01270e0b2c62d479d55c92cd18 (diff) | |
| download | src-3d4a189e9f2bb78a7cb69e1b8e88465f6cffcbd2.tar.gz src-3d4a189e9f2bb78a7cb69e1b8e88465f6cffcbd2.zip | |
Add 'nc' flag to gettytab -- no carrier. Forces non-blocking open and
setting of CLOCAL. Necessary for 3 wire RS-232 setups with dumb
terminals.
PR: 5959
Notes
Notes:
svn path=/head/; revision=64076
Diffstat (limited to 'libexec/getty/main.c')
| -rw-r--r-- | libexec/getty/main.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/libexec/getty/main.c b/libexec/getty/main.c index 03536318e744..6cd1af834ac2 100644 --- a/libexec/getty/main.c +++ b/libexec/getty/main.c @@ -270,8 +270,8 @@ main(argc, argv) (void)tcsetattr(STDIN_FILENO, TCSANOW, &tmode); exit(1); } - } else { /* blocking open */ - if (!opentty(ttyn, O_RDWR)) + } else { /* maybe blocking open */ + if (!opentty(ttyn, O_RDWR | (NC ? O_NONBLOCK : 0 ))) exit(1); } } @@ -293,6 +293,7 @@ main(argc, argv) tmode.c_oflag = TTYDEF_OFLAG; tmode.c_lflag = TTYDEF_LFLAG; tmode.c_cflag = TTYDEF_CFLAG; + tmode.c_cflag |= (NC ? CLOCAL : 0); omode = tmode; for (;;) { |