disallow cpu time clocks as condattr clock values

diff --git a/src/thread/pthread_condattr_setclock.c b/src/thread/pthread_condattr_setclock.c
index bf7455238c76a1779eeb194e9c1d8f3b509fd2c4..cd2cecc98bca6b52a6b02e6518cc1ef398dbd9c6 100644 (file)
--- a/src/thread/pthread_condattr_setclock.c
+++ b/src/thread/pthread_condattr_setclock.c
@@ -2,7 +2,7 @@
 
 int pthread_condattr_setclock(pthread_condattr_t *a, clockid_t clk)
 {
-       if (clk < 0) return EINVAL;
+       if (clk < 0 || clk-2U < 2) return EINVAL;
        *a &= 0x80000000;
        *a |= clk;
        return 0;