No fork() involved actually. Here is an example code
#include1.c
void func1() {
struct event ev;
event_set(ev, /*udp socket*/);
event_add(ev, NULL);
}
#include2.c
void func2() {
struct event ev;
event_set(ev, /*tcp socket*/);
event_add(ev, NULL);
}
#main.c
int main() {
event_init();
func1();
func2();
event_dispatch();
}
Both are setup using EV_READ | EV_PERSIST... again, UDP works fine,
but TCP segfaults. I have to maintain a few servers running this
program so I'd like to be able to use the distributed lib instead of
having to maintain my own builds across multiple platforms. And with
this working fine by doing all of event_init() event_dispatch() in
each function (doing the event setup within it's own thread for the
TCP socket) both servers worked fine. It's only when I try to
implement them both together in what appears to be a proper
implementation that I get this error.
Thank you,
-brian
On Fri, Mar 6, 2009 at 3:20 AM, Niels Provos pro...@gmail.com wrote:
On Thu, Mar 5, 2009 at 9:10 AM, Brian ping...@gmail.com wrote:
I have a thread safe application that I am using to host a UDP service
on. This program also has a TCP based admin process to grab stats and
update internals for the program during run-time. Before I had
event_init() event_dispatch() running in their own threads, but I
wanted to make things more proper. So in main() I have event_init()
and event_dispatch() while performing event_set() and event_add() in
their own respected processes. This has structure has multiple
benefits for me. I am on an Ubuntu feisty install. Everything still
works with UDP perfectly, however when I attempt to connect to the TCP
port epoll_dispatch() SIGSEGV's
When you say in in their own respected processes, does that mean you
fork? After fork you need to call event_reinit() to setup the epoll
structures again. The epoll fd does not survive across forks. You
will have to upgrade to libevent-1.4.x for that.
Niels.
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