Re: Post a signal within an interrupt handler

2000-01-05 Thread Luoqi Chen
> While reading the code vfs_aio.c, I find out some comments saying it is > not safe to post a signal from the interrupt handler aio_physwakeup(). So > it calls timeout(9) within that handler and let the timeout routine to > post the signal. I do not understand this. Isn't the timeout mechanism >

Post a signal within an interrupt handler

2000-01-05 Thread Zhihui Zhang
While reading the code vfs_aio.c, I find out some comments saying it is not safe to post a signal from the interrupt handler aio_physwakeup(). So it calls timeout(9) within that handler and let the timeout routine to post the signal. I do not understand this. Isn't the timeout mechanism also dri