On 28/10/2010, at 1:33 PM, James Dennett wrote:
>
> At this point my Felix-ignorance kicks in, and I don't have a clue
> what's going on.
It's quite simple: Felix main thread spawns a second thread which
reads the event queue (epoll, kqueue, etc) and does asynchronous
I/O on sockets according to the notifications (this only happens if you use
async I/O)
I seem to have fixed it by writing a trivial C program which make itself
a daemon then runs the Felix program (or any other program) by calling
execv():
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
int main(int argc, char * const argv[]) {
int child;
printf("Running\n");
if ((child=fork()) != 0) { printf("Forked %d\n",child); exit(0); }
setsid();
if ((child=fork()) != 0) { exit(0); }
int sout = open("mystdout.log",O_CREAT | O_WRONLY | O_TRUNC, S_IRUSR |
S_IWUSR | S_IRGRP | S_IROTH);
int serr = open("mystderr.log",O_CREAT | O_WRONLY | O_TRUNC, S_IRUSR |
S_IWUSR | S_IRGRP | S_IROTH);
close(0); close(1); close(2);
dup2(sout,1);
dup2(serr,2);
execv(argv[1], argv+1);
printf("Exec failed\n");
}
A bit crude but it seems to work :)
--
john skaller
[email protected]
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