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Code Issues Releases Wiki Activity

dont respond to terminal resize when output is redirected

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Signed-off-by: Jonas Schroeder <jonas.schroeder1@rwth-aachen.de>
This commit is contained in:
Jonas Schroeder 2021-09-20 15:27:22 +00:00 • committed by Steffen Vogel
parent f6caa4f2d5
commit b5977ed96f
1 changed files with 10 additions and 5 deletions
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15
common/lib/terminal.cpp
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@ -37,11 +37,11 @@ Terminal::Terminal()
window.ws_row = 0;
window.ws_col = 0;
isTty = isatty(fileno(stdin));
isTty = isatty(STDERR_FILENO);
Logger logger = logging.get("terminal");
if (isTty) {
Logger logger = logging.get("terminal");
struct sigaction sa_resize;
sa_resize.sa_flags = SA_SIGINFO;
sa_resize.sa_sigaction = resize;
@ -56,6 +56,8 @@ Terminal::Terminal()
ret = ioctl(STDERR_FILENO, TIOCGWINSZ, &window);
if (ret)
logger->warn("Failed to get terminal dimensions");
} else {
logger->info("stderr is not associated with a terminal! Using fallback values for window size...");
}
/* Fallback if for some reason we can not determine a prober window size */
@ -68,13 +70,16 @@ Terminal::Terminal()
void Terminal::resize(int, siginfo_t *, void *)
{
if (!current)
current = new Terminal();
Logger logger = logging.get("terminal");
int ret;
ret = ioctl(STDERR_FILENO, TIOCGWINSZ, &current->window);
if (ret)
throw SystemError("Failed to get terminal dimensions");
Logger logger = logging.get("terminal");
logger->debug("New terminal size: {}x{}", current->window.ws_row, current->window.ws_col);
};