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#1
07-01-2007
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forking within a thread
Is it safe to call fork+exec in a multithreaded application.
Because In my multithreaded application, I need to execute another program in each thread. I am using solaris 10. Any suggestions pls. 
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#2
07-01-2007
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Yeah, it's safe in a general sense. I believe that Solaris 10 has fork1() available (and if it does, forkall() would be there too). fork1() is supposed to replicate only the current thread in the new process and there may be a performance boost available by that. But I have not used fork1()/forkall() so I'm not sure. Anyway, I would give fork1() a try.
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#3
07-01-2007
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Quote:
The rules are that are that after fork() only one thread is running in the child process, and that was the thread that called fork(). Also have a look at pthread_atfork() and see if you need to do anything to protect mutexes etc.
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