text: @node pthread_rwlock_trywrlock
  @section @code{pthread_rwlock_trywrlock}
  @findex pthread_rwlock_trywrlock
  
  POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_rwlock_trywrlock.html}
  
  Gnulib module: pthread-rwlock
  
  Portability problems fixed by Gnulib:
  @itemize
  @item
  This function is missing on some platforms:
  Minix 3.1.8, mingw, MSVC 14, Android 4.3.
  But the provided replacement is just a dummy on some of these platforms:
  Minix 3.1.8.
  @end itemize
  
  Portability problems not fixed by Gnulib:
  @itemize
  @end itemize
  