os::set_native_priority(Thread* thread, int newpri)
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//Linux版(jdk7/hotspot/src/os/linux/vm/os_linux.cpp) OSReturn os::set_native_priority(Thread* thread, int newpri) { if ( !UseThreadPriorities || ThreadPriorityPolicy == 0 ) return OS_OK; int ret = setpriority(PRIO_PROCESS, thread->osthread()->thread_id(), newpri); return (ret == 0) ? OS_OK : OS_ERR; }