VMS Help POSIX Threads, TIS routines, tis_lock_global  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Locks the Threads Library global mutex.

1 - C Binding

    #include <tis.h>

    int
    tis_lock_global (void);

2 - Arguments

    None

3 - Description

    This routine locks the global mutex. The global mutex is
    recursive. For example, if you called tis_lock_global() three
    times, tis_unlock_global() unlocks the global mutex when you call
    it the third time.

    For more information about actions taken when threads are
    present, refer to the pthread_lock_global_np() description.

4 - Return Values

    If an error condition occurs, this routine returns an integer
    value indicating the type of error. Possible return values are as
    follows:

    Return      Description

    0           Successful completion.

5 - Associated Routines

       tis_unlock_global()