Use semaphore locking to avoid starting dss multiple times.

[dss.git] / exec.c

diff --git a/exec.c b/exec.c
index b1f60faab79f2929584525ab5728860487a2d46a..2887cb29972b949f67bc4b4197652c8c8592b261 100644 (file)
--- a/exec.c
+++ b/exec.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2003-2008 Andre Noll <maan@systemlinux.org>
+ * Copyright (C) 2003-2010 Andre Noll <maan@systemlinux.org>
  *
  * Licensed under the GPL v2. For licencing details see COPYING.
  */
@@ -48,7 +48,7 @@ int dss_exec(pid_t *pid, const char *file, char *const *const args, int *fds)
                goto err_out;
        if (!fds[0] || !fds[1] || !fds[2]) {
                ret = -E_NULL_OPEN;
-               null = open("/dev/null", O_RDONLY);
+               null = open("/dev/null", O_RDWR);
                if (null < 0)
                        goto err_out;
        }