rts.tests: Ensure sleeper running STOP handler before TERM handler #26
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When supervise do signal(killpid, SIGTERM) and then signal(killpid, SIGCONT), catch_sig(SIGTERM) can be finished before catch_sig(SIGCONT) in sleeper. With this patch, catch_sig(SIGCONT) can be started before catch_sig(SIGTERM).
This patch may resolve issue #25 "Intermittent test failure with CONT signal". But it is NOT the perfect resolution because catch_sig(SIGCONT) can be interrupted by catch_sig(SIGTERM) (e.g., confirmed on AIX 6.1).