How to send a signal from inside the kernel?

[Joseph Koshy]

> Here are the headers needed in case someone reads this thread:
> 
> #include <unistd.h> /*needed only for NULL, can be removed*/
> #include <sys/types.h>
> #include <sys/param.h>
> #include <sys/lock.h>
> #include <sys/mutex.h>
> #include <sys/proc.h>

According to the manual page for psignal(9) in -current, you 
only need <sys/types.h> and <sys/signalvar.h>.

You need to hold the PROC lock for the target process before 
invoking psignal().

-- 
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