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MFC: revs 1.23 and 1.24

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* Replace fch{mod,own} with straight ch{mod,own} as the former cannot be used
  on socket file descriptors
* Open permissions on /var/run/devd.pipe so that any user can read devd events
  from this socket
* Enable non-blocking I/O on devd.pipe to keep clients from wedging devd.
  If a write(2) on devd.pipe would block, the client in question will be
  removed

Approved by:	re (kensmith)
This commit is contained in:
marcus 2005-07-18 02:10:22 +00:00
parent 12391a1891
commit 2acfae159d
1 changed files with 4 additions and 2 deletions
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6
sbin/devd/devd.cc
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@ -672,11 +672,13 @@ create_socket(const char *name)
strlcpy(sun.sun_path, name, sizeof(sun.sun_path));
slen = SUN_LEN(&sun);
unlink(name);
if (fcntl(fd, F_SETFL, O_NONBLOCK) < 0)
err(1, "fcntl");
if (bind(fd, (struct sockaddr *) & sun, slen) < 0)
err(1, "bind");
listen(fd, 4);
fchown(fd, 0, 0); /* XXX - root.wheel */
fchmod(fd, 0660);
chown(name, 0, 0); /* XXX - root.wheel */
chmod(name, 0660);
return (fd);
}