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render: resize: don't try to signal TIOCSWINSZ on a closed ptmx FD

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Daniel Eklöf 2020-05-27 18:23:35 +02:00
parent 5639082113
commit 8fd7c837f7
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1 changed files with 1 additions and 1 deletions
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render.c
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@ -1844,7 +1844,7 @@ maybe_resize(struct terminal *term, int width, int height, bool force)
term->margins.left, term->margins.right, term->margins.top, term->margins.bottom);
/* Signal TIOCSWINSZ */
if (ioctl(term->ptmx, TIOCSWINSZ,
if (term->ptmx >= 0 && ioctl(term->ptmx, TIOCSWINSZ,
&(struct winsize){
.ws_row = term->rows,
.ws_col = term->cols,