Why no pthread_mutexattr_settype()?

Peter Dufault dufault at hda.com
Fri Mar 17 15:40:42 UTC 2006

On Mar 16, 2006, at 9:07 PM, Phil Torre wrote:

> I am porting some code that wants to use pthread_mutexattr_settype(),
> and I see that RTEMS (4.6.0 at least) doesn't have one.  I put in a
> hack to set the recursive field of the newly initialized mutexattr
> struct to "1", and seem to get proper recursive locking behavior.
> I see no way to make a POSIX mutex recursive using the normal API.
> Am I missing it?  Is there no mutexattr_settype() because no one
> ever needed one?  Or is making a POSIX mutex recursive in RTEMS bad
> for some reason?  (CORE_mutex_Nesting_behaviors allows for it, so
> it seems like it should be OK.)

It's an X/Open and not a POSIX thing, so that's probably why it isn't  

Peter Dufault
HD Associates, Inc.

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