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| author | peter <peter@FreeBSD.org> | 1995-08-07 16:44:28 +0000 |
|---|---|---|
| committer | peter <peter@FreeBSD.org> | 1995-08-07 16:44:28 +0000 |
| commit | c87e4ea046fafb0b07c7ac3335948b0743fed8b4 (patch) | |
| tree | 7ae33f67d95d96832805966762c01906d8c079dc | |
| parent | 778f67db9cacecced65fb98a330c6ad8dbc73454 (diff) | |
| download | FreeBSD-src-c87e4ea046fafb0b07c7ac3335948b0743fed8b4.zip FreeBSD-src-c87e4ea046fafb0b07c7ac3335948b0743fed8b4.tar.gz | |
Fix infamous "TIOCGWINSZ: Interrupted system call" on return from a ^Z
Fixes PR#513
Reviewed by:
Submitted by:
Obtained from:
| -rw-r--r-- | usr.bin/vi/sex/sex_window.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/usr.bin/vi/sex/sex_window.c b/usr.bin/vi/sex/sex_window.c index 49b1f99..61000fb 100644 --- a/usr.bin/vi/sex/sex_window.c +++ b/usr.bin/vi/sex/sex_window.c @@ -48,6 +48,7 @@ static char sccsid[] = "@(#)sex_window.c 8.8 (Berkeley) 8/17/94"; #include <string.h> #include <termios.h> #include <unistd.h> +#include <errno.h> #include "compat.h" #include <curses.h> @@ -79,7 +80,7 @@ sex_window(sp, sigwinch) * * Try TIOCGWINSZ. */ - row = col = 0; + errno = row = col = 0; #ifdef TIOCGWINSZ if (ioctl(STDERR_FILENO, TIOCGWINSZ, &win) != -1) { row = win.ws_row; @@ -89,7 +90,8 @@ sex_window(sp, sigwinch) /* If here because of a signal, TIOCGWINSZ is all we trust. */ if (sigwinch) { if (row == 0 || col == 0) { - msgq(sp, M_SYSERR, "TIOCGWINSZ"); + if (errno > 0) + msgq(sp, M_SYSERR, "TIOCGWINSZ"); return (1); } |
