gre-ilya/libuv
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

unix: retry ioctl(TIOCGWINSZ) on EINTR

Browse Source 
Some platforms (notably Solaris) can fail in this ioctl() if interrupted
by a signal.  Retry the system call when that happens.

Fixes: https://github.com/nodejs/node/issues/5737
PR-URL: https://github.com/libuv/libuv/pull/772
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
This commit is contained in:
Ben Noordhuis 2016-03-20 11:49:46 +01:00
parent df96163702
commit b12624c136
1 changed files with 6 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/unix/tty.c
View File

@ -185,8 +185,13 @@ int uv_tty_set_mode(uv_tty_t* tty, uv_tty_mode_t mode) {
int uv_tty_get_winsize(uv_tty_t* tty, int* width, int* height) {
struct winsize ws;
int err;
if (ioctl(uv__stream_fd(tty), TIOCGWINSZ, &ws))
do
err = ioctl(uv__stream_fd(tty), TIOCGWINSZ, &ws);
while (err == -1 && errno == EINTR);
if (err == -1)
return -errno;
*width = ws.ws_col;