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The difference is probably the concept of
task and thread. A task could be a thread or a process depends on system. In RT-Linux, the real-time OS – Real
time Linux is a kernel process which will spawn multiple threads as real-time
tasks. So, under RT-Linux real-time tasks are
threads. Yes, there is a task_struct for each
thread, it’s in scheduler header. I have to say RT-Linux have a very neat
way to do context switch J -Hai -----Original Message----- what is the difference of a task and thread, in system level. i mean is there a task_struct for each thread? |