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tis_write_lock(3)
NAME
  tis_write_lock - Acquires the specified read-write lock for write access.

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

SYNOPSIS
  #include <tis.h>

  int	tis_write_lock(
			  tis_rwlock_t	 *lock);

STANDARDS
  None

PARAMETERS
  *lock	    Address of the read-write lock to be acquired for write access.

DESCRIPTION
  This routine acquires a read-write lock for write access.  This routine
  waits for any other active locks (for either read or write access) to be
  unlocked before this acquisition request is granted.

  This routine returns when the specified read-write lock is acquired for
  write access.

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.

  [EINVAL]  The value specified by lock is invalid.

ERRORS
  None

RELATED INFORMATION
  Functions: tis_read_lock(3), tis_read_trylock(3), tis_read_unlock(3),
  tis_rwlock_destroy(3), tis_rwlock_init(3), tis_write_trylock(3),
  tis_write_unlock(3)

  Manuals: Guide to DECthreads and Programmer's Guide