pthreads, cygwin and pthread_mutex_lock not blocking

[Christopher Faylor]

On Fri, May 27, 2005 at 10:57:34AM -0700, Peter Rehley wrote:
>I'm trying to use pthread in cygwin, and I'm expecting the function 
>pthread_mutex_lock to block when used.  However it is returning error 
>45 (EDEADLK).    I'm using a static initializer for the thread so the 
>mutex is type PTHREAD_MUTEX_DEFAULT.
>When I look through the pthread code I see that PTHREAD_MUTEX_DEFAULT 
>is set to PTHREAD_MUTEX_ERRORCHECK,
>When I do the same on linux or soloris, the pthread_mutex_lock blocks, 
>and looking in the pthread.h file on those systems see that  the 
>default is set to PTHREAD_MUTEX_NORMAL.
>
>Why is cygwin using PTHREAD_MUTEX_ERRORCHECK as the default?  And what 
>problems might occur if PTHREAD_MUTEX_DEFAULT is set to 
>PTHREAD_MUTEX_NORMAL?

Why not just try it and report the results?

cgf

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