sem_trywait returns EAGAIN (rather than returning -1 and setting errno)

[Christopher Faylor]

On Tue, Feb 26, 2002 at 08:37:35PM +1100, Robert Collins wrote:
>The problem should _not_ be endemic in the pthreads code, as I rewrote
>nearly all the pthread* functions from the P1003.1 draft spec.

% grep 'return E' thread.cc
      return ETIMEDOUT;
    return EAGAIN;
    return EFAULT;
    return EINVAL;
      return EAGAIN;
    return ESRCH;
  return ESRCH;
  we return ESRCH until all the required functions call testcancel ();
    return EINVAL;
    return EINVAL;
	return ENOMEM;
	  return ENOMEM;
	  return ENOMEM;
    return EINVAL;
      return EAGAIN;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return ENOTSUP;
    return EINVAL;
    return ENOTSUP;
    return EINVAL;
    return ENOTSUP;
    return EINVAL;
    return EINVAL;
    return ENOTSUP;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return ESRCH;
      return EINVAL;
    return ESRCH;
      return EINVAL;
    return ESRCH;
    return ESRCH;
    return ESRCH;
    return EINVAL;
    return EBUSY;
      return EAGAIN;
    return EINVAL;
    return EINVAL;
    return ESRCH;
    return ENOTSUP;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return EBUSY;
    return EINVAL;
    return EBUSY;
      return EAGAIN;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return EINVAL;
	return EINVAL;
    return EINVAL;
    return ETIMEDOUT;
      return EAGAIN;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return EBUSY;
      return EAGAIN;
    return EINVAL;
  return ENOSYS;
      return EINVAL;
    return EINVAL;
    return EBUSY;
    return EINVAL;
    return EINVAL;
    return EBUSY;
    return EINVAL;
  return ENOSYS;
    return EINVAL;
  return ENOSYS;
    return EINVAL;
 *PTHREAD_MUTEX_DEFAULT to PTHREAD_MUTEX_RECURSIVE and return EINVAL for other types.
    return EINVAL;
    return EBUSY;
      return ENOMEM;
    return EINVAL;
    return EINVAL;
  return ENOSYS;
    return EINVAL;
  return ENOSYS;
    return EINVAL;
  return ENOSYS;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return EBUSY;
    return EINVAL;
      return EAGAIN;
    return EINVAL;
    return EINVAL;
    return EINVAL;
    return EINVAL;

cgf

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