Hi Petro, According with OpenGroup there is not ECANCELED as possible return:
https://pubs.opengroup.org/onlinepubs/7908799/xsh/sem_wait.html Maybe it should be replaced with EINTR case it was cancelled because was interrupted by a signal. BR, Alan On 5/26/22, Petro Karashchenko <petro.karashche...@gmail.com> wrote: > Hi, > > I have a question about sem_wait. Current implementation in NuttX can > return failure and set errno to ECANCELED in case if the semaphore wait is > done while code is inside the cancelation point. However I do not see > ECANCELED in the POSIX description of sem_wait. Can anyone bring some more > light on why the NuttX version of sem_wait violates POSIX? > > Best regards, > Petro >
