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tis_unlock_global(3)


NAME

  tis_unlock_global - Unlocks the DECthreads global mutex


SYNOPSIS

  #include <tis.h>

  int tis_unlock_global(
	  void );


LIBRARY

  Standard C Library (libc.so, libc.a)


STANDARDS

  None


PARAMETERS

  None


DESCRIPTION

  This routine unlocks the DECthreads global mutex. Because the global mutex
  is recursive, the unlock occurs when each call to tis_lock_global(3) has
  been matched by a call to this routine. For example, if your program called
  tis_lock_global(3) three times, tis_unlock_global(3) 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_unlock_global_np(3) description.


RETURN VALUES

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

  0   Successful completion.

  [EPERM]
      The DECthreads global mutex is unlocked or locked by another thread.


ERRORS

  None


SEE ALSO

  Functions: tis_lock_global(3)

  Manuals: Guide to DECthreads and Programmer's Guide

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