chiark / gitweb /
open-code pollfd setup
authorKay Sievers <kay.sievers@vrfy.org>
Wed, 21 Jan 2009 10:09:27 +0000 (11:09 +0100)
committerKay Sievers <kay.sievers@vrfy.org>
Wed, 21 Jan 2009 10:09:27 +0000 (11:09 +0100)
udev/udevd.c

index bc6484b..d227a71 100644 (file)
@@ -853,9 +853,10 @@ int main(int argc, char *argv[])
 
        while (!udev_exit) {
                sigset_t blocked_mask, orig_mask;
+               struct pollfd pfd[4];
                struct pollfd *ctrl_poll, *monitor_poll, *inotify_poll = NULL;
-               struct pollfd pfd[10];
-               int fdcount, nfds = 0;
+               int nfds = 0;
+               int fdcount;
 
                sigfillset(&blocked_mask);
                sigprocmask(SIG_SETMASK, &blocked_mask, &orig_mask);
@@ -864,19 +865,22 @@ int main(int argc, char *argv[])
                        goto handle_signals;
                }
 
-#define POLL_FOR(__desc, __pollptr) do { \
-       pfd[nfds].fd = (__desc); pfd[nfds].events = POLLIN; \
-       __pollptr = &pfd[nfds++]; \
-} while (0)
-               POLL_FOR(udev_ctrl_get_fd(udev_ctrl), ctrl_poll);
-               POLL_FOR(udev_monitor_get_fd(kernel_monitor), monitor_poll);
-               if (inotify_fd >= 0)
-                       POLL_FOR(inotify_fd, inotify_poll);
-#undef POLL_FOR
+               ctrl_poll = &pfd[nfds++];
+               ctrl_poll->fd = udev_ctrl_get_fd(udev_ctrl);
+               ctrl_poll->events = POLLIN;
+
+               monitor_poll = &pfd[nfds++];
+               monitor_poll->fd = udev_monitor_get_fd(kernel_monitor);
+               monitor_poll->events = POLLIN;
+
+               if (inotify_fd >= 0) {
+                       inotify_poll = &pfd[nfds++];
+                       inotify_poll->fd = inotify_fd;
+                       inotify_poll->events = POLLIN;
+               }
 
                fdcount = ppoll(pfd, nfds, NULL, &orig_mask);
                sigprocmask(SIG_SETMASK, &orig_mask, NULL);
-
                if (fdcount < 0) {
                        if (errno == EINTR)
                                goto handle_signals;