udev/pre-accept4-kernel.patch

   1 diff -urN a/src/udev-ctrl.c b/src/udev-ctrl.c
   2 --- a/src/udev-ctrl.c   2011-10-09 17:10:32.000000000 -0600
   3 +++ b/src/udev-ctrl.c   2011-10-25 15:11:09.000000000 -0600
   4 @@ -15,6 +15,7 @@
   5  #include <stddef.h>
   6  #include <string.h>
   7  #include <unistd.h>
   8 +#include <fcntl.h>
   9  #include <sys/types.h>
  10  #include <sys/poll.h>
  11  #include <sys/socket.h>
  12 @@ -182,6 +183,7 @@
  13          struct ucred ucred;
  14          socklen_t slen;
  15          const int on = 1;
  16 +        int flgs;
  17
  18          conn = calloc(1, sizeof(struct udev_ctrl_connection));
  19          if (conn == NULL)
  20 @@ -189,13 +191,19 @@
  21          conn->refcount = 1;
  22          conn->uctrl = uctrl;
  23
  24 -        conn->sock = accept4(uctrl->sock, NULL, NULL, SOCK_CLOEXEC|SOCK_NONBLOCK);
  25 +        //conn->sock = accept4(uctrl->sock, NULL, NULL, SOCK_CLOEXEC|SOCK_NONBLOCK);
  26 +        conn->sock = accept(uctrl->sock, NULL, NULL);
  27          if (conn->sock < 0) {
  28                  if (errno != EINTR)
  29                          err(uctrl->udev, "unable to receive ctrl connection: %m\n");
  30                  goto err;
  31          }
  32
  33 +        // Since we don't have accept4
  34 +        flgs = fcntl(conn->sock, F_GETFL, NULL);
  35 +        if(flgs >= 0) fcntl(conn->sock, F_SETFL, flgs | O_NONBLOCK);
  36 +        fcntl(conn->sock, F_SETFD, FD_CLOEXEC);
  37 +
  38          /* check peer credential of connection */
  39          slen = sizeof(ucred);
  40          if (getsockopt(conn->sock, SOL_SOCKET, SO_PEERCRED, &ucred, &slen) < 0) {
  41