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Provide a flag to return RES_ERROR even on signal (EINTR); without it, retry the operation

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Paul LeoNerd Evans
2011-08-25 10:48:41 +01:00
parent 7a2b79a640
commit 1b8234e342
5 changed files with 19 additions and 5 deletions
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termkey_waitkey.3.sh
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@@ -27,7 +27,7 @@ A key event as been provided.
No key events are ready and the terminal has been closed, so no more will arrive.
.TP
.B TERMKEY_RES_ERROR
An IO error occured. \fIerrno\fP will be preserved.
An IO error occured. \fIerrno\fP will be preserved. If the error is \fBEINTR\fP then this will only be returned if \fBTERMKEY_FLAG_EINTR\fP flag is not set; if it is then the IO operation will be retried instead.
.SH EXAMPLE
The following example program prints details of every keypress until the user presses "Ctrl-C".
.PP