Merge branch 'collectd-4.3'

Conflicts:

	src/exec.c

diff --cc src/exec.c
index 70c1c18,5eae906..07c35c9
--- 1/src/exec.c
--- 2/src/exec.c
+++ b/src/exec.c
@@@ -429,10 -421,32 +429,20 @@@ static int fork_child (program_list_t *
    }
    else if (pid == 0)
    {
-     close (fd_pipe_in[1]);
-     close (fd_pipe_out[0]);
-     close (fd_pipe_err[0]);
+     int fd_num;
+     int fd;
+ 
+     /* Close all file descriptors but the pipe end we need. */
+     fd_num = getdtablesize ();
+     for (fd = 0; fd < fd_num; fd++)
+     {
 -      if ((fd == fd_pipe_in[0]) || (fd == fd_pipe_out[1]))
++      if ((fd == fd_pipe_in[0])
++        || (fd == fd_pipe_out[1])
++        || (fd == fd_pipe_err[1]))
+       continue;
+       close (fd);
+     }
  
 -    /* If the `out' pipe has the filedescriptor STDIN we have to be careful
 -     * with the `dup's below. So, if this is the case we have to handle the
 -     * `out' pipe first. */
 -    if (fd_pipe_out[1] == STDIN_FILENO)
 -    {
 -      int new_fileno = (fd_pipe_in[0] == STDOUT_FILENO)
 -      ? STDERR_FILENO : STDOUT_FILENO;
 -      dup2 (fd_pipe_out[1], new_fileno);
 -      close (fd_pipe_out[1]);
 -      fd_pipe_out[1] = new_fileno;
 -    }
 -    /* Now `fd_pipe_out[1]' is either `STDOUT' or `STDERR', but definitely not
 -     * `STDIN_FILENO'. */
 -
      /* Connect the `in' pipe to STDIN */
      if (fd_pipe_in[0] != STDIN_FILENO)
      {