[LTP] openposix: timers/twoevtimers: Wait for both timer signals

[linuxtestproject.agent@gmail.com]

Hi Jan,

On Fri, 9 Oct 2026, Jan Stancek via ltp wrote:
> openposix: timers/twoevtimers: Wait for both timer signals

> +	PTS_WRITE_MSG("Caught abort signal\n");
> +	PTS_WRITE_MSG("Caught alarm signal\n");
> +		if (errno != EINTR) {
> +			perror("nanosleep() did not return success\n");
> +			return PTS_UNRESOLVED;
> +		}

Medium: PTS_WRITE_MSG() calls write() without preserving errno. If the
second signal arrives after nanosleep() sets EINTR but before the new
errno check, a failed handler write (e.g. EAGAIN on a full nonblocking
stdout pipe) causes a spurious unresolved result even when both timers
fired. Save errno on entry and restore it before returning in both
handlers.

Verdict - Needs revision

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