Messages in this thread | | | Subject | RE: Synchronous signal delivery.. | From | Keith Adamson <> | Date | 14 Feb 2003 08:04:23 -0500 |
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On Fri, 2003-02-14 at 05:55, Giuliano Pochini wrote: > > > It's a generic "synchronous signal delivery" method, and it uses a > > perfectly regular file descriptor to deliver an arbitrary set of signals > > that are pending. > > > > It adds one new system call: > > > > fd = sigfd(sigset_t * mask, unsigned long flags); > > IMHO it's not simply a signal delivery system, it's a message queue. It's > possible to deliver any kind of data to the process, and the fd can be > used to send data to other processes as well. >
IMHO I agree, it would be real nice to be able to expose signals to other processes using a socket type of interface. Even the kernel could expose certain internal signals to user space programs such as VM pressure.
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