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  1. #1

    what is better pthread() or exec()?

    I'm going to writing multi-thread/multi-process program. One thread read data from serial port. One thread, send this data to server. And main thread will initialize and monitor these two threads. But I consider to use pthread() or exec() to for my multi-thread/multi-process program.
    Can anyone give me some comments? Should I use pthread() or exec()? What is advantage and disadvantage of pthread() and exec().
    Thanks in advance.
    Last edited by asnl1987; 12-14-2011 at 02:58 AM.

  2. #2
    Linux Guru Cabhan's Avatar
    Join Date
    Jan 2005
    Seattle, WA, USA
    This sounds a bit like a homework question, which are not allowed on this forum.

    Multithreaded and multi-process applications work quite differently. In this case, it sounds like a key part of your application is sharing data between the reader part and the sender part. Although there are methods of doing inter-process communication (IPC), sharing data within a single process is generally simpler and more efficient.

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