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Symbol 'EWOULDBLOCK' could not be resolved in INICHE file "u_mctest.c"

Altera_Forum
Honored Contributor II
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I am developing a NIOS II application/bsp containing UCOSII and Interniche using version 13.1. 

When I build my application and BSP, my application has no errors but my BSP has the error 

"Symbol 'EWOULDBLOCK' could not be resolved" in the INICHE file "u_mctest.c". It appears 

a# include might be missing.  

 

Has anyone seen this error ?  

 

Even with this error in my BSP, my application is still runnable.  

 

Is this normal for a BSP to indicate a error but the application is still runnable ?
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