Re: _SC_SIGQUEUE_MAX

[christos%zoulas.com@localhost (Christos Zoulas)]

On Jun 9,  5:35pm, charles.cui1984%gmail.com@localhost (Charles Cui) wrote:
-- Subject: _SC_SIGQUEUE_MAX

| Hi guys,
| 
|    I am trying to add the support of SIGQUEUE_MAX, which is the maximal
| number of real time signals to the target process. There are several ways
| to
| send a signal to a process like, kill, raise, etc. I am wondering whether
| all real
| time signals should be only sent via sigqueue? (in which case, establishing
| a queue in the sigqueue code path and manage the queue should be enough to
| support _SC_SIGQUEUE_MAX).

You don't have to queue all signals; specially the ones that come from
traps. But if you look at the FreeBSD implementation they allow all of
them (at least this is from a cursory reading).

christos