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    Command:

    pthread_exit

    
    
    

    SYNOPSIS

           #include <pthread.h>
    
           void pthread_exit(void *retval);
    
           Compile and link with -pthread.
    
    
    

    DESCRIPTION

           The pthread_exit() function terminates the calling thread and returns a
           value via retval that (if the  thread  is  joinable)  is  available  to
           another thread in the same process that calls pthread_join(3).
    
           Any  clean-up handlers established by pthread_cleanup_push(3) that have
           not yet been popped, are popped (in the reverse of the order  in  which
           they  were pushed) and executed.  If the thread has any thread-specific
           data, then, after the clean-up handlers have been executed, the  corre-
           sponding destructor functions are called, in an unspecified order.
    
           When a thread terminates, process-shared resources (e.g., mutexes, con-
           dition variables, semaphores, and file descriptors) are  not  released,
           and functions registered using atexit(3) are not called.
    
           After  the  last thread in a process terminates, the process terminates
           as by calling exit(3) with an exit status of zero; thus, process-shared
           resources  are  released  and  functions registered using atexit(3) are
           called.
    
    
    

    RETURN VALUE

           This function does not return to the caller.
    
    
    

    ERRORS

           This function always succeeds.
    
    
    

    CONFORMING TO

           POSIX.1-2001.
    
    
    

    NOTES

           Performing a return from the start function of any  thread  other  than
           the  main  thread  results in an implicit call to pthread_exit(), using
           the function's return value as the thread's exit status.
    
           To allow other threads to continue execution, the  main  thread  should
           terminate by calling pthread_exit() rather than exit(3).
    
           The  value  pointed  to  by retval should not be located on the calling
           thread's stack, since the contents of that stack  are  undefined  after
           the thread terminates.
    
    
    

    BUGS

           Currently, there are limitations in the kernel implementation logic for
           wait(2)ing on a stopped thread group with a dead thread  group  leader.
           This  can manifest in problems such as a locked terminal if a stop sig-
    
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