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31350: block SIGWINCH nearly all the time, except

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when about to calculate prompts or do synchronous read, so
syscalls are not interrupted by window size changes.
This commit is contained in:
Bart Schaefer 2013-04-28 17:47:43 -07:00
parent cbf6f144a9
commit d19e18c68d
5 changed files with 28 additions and 0 deletions
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7
Src/utils.c
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@ -1291,6 +1291,13 @@ preprompt(void)
int period = getiparam("PERIOD");
int mailcheck = getiparam("MAILCHECK");
/*
* Handle any pending window size changes before we compute prompts,
* then block them again to avoid interrupts during prompt display.
*/
winch_unblock();
winch_block();
if (isset(PROMPTSP) && isset(PROMPTCR) && !use_exit_printed && shout) {
/* The PROMPT_SP heuristic will move the prompt down to a new line
* if there was any dangling output on the line (assuming the terminal