--- old/src/os/bsd/vm/os_bsd.cpp 2013-12-05 10:46:40.288524793 +0100 +++ new/src/os/bsd/vm/os_bsd.cpp 2013-12-05 10:46:40.196528177 +0100 @@ -2625,9 +2625,21 @@ } } -int os::naked_sleep() { - // %% make the sleep time an integer flag. for now use 1 millisec. - return os::sleep(Thread::current(), 1, false); +void os::naked_short_sleep(jlong ms) { + struct timespec req; + + assert(ms < 1000, "Un-interruptable sleep, short time use only"); + req.tv_sec = 0; + if (ms > 0) { + req.tv_nsec = (ms % 1000) * 1000000; + } + else { + req.tv_nsec = 1; + } + + nanosleep(&req, NULL); + + return; } // Sleep forever; naked call to OS-specific sleep; use with CAUTION