(__sysconf) <_SC_MONOTONIC_CLOCK>: Return -1 instead of 0 if clock_getres failed.

diff --git a/sysdeps/unix/sysv/linux/sysconf.c b/sysdeps/unix/sysv/linux/sysconf.c
index 1ce2439..e07c502 100644 (file)
--- a/sysdeps/unix/sysv/linux/sysconf.c
+++ b/sysdeps/unix/sysv/linux/sysconf.c
@@ -42,7 +42,7 @@ __sysconf (int name)
        INTERNAL_SYSCALL_DECL (err);
        int r;
        r = INTERNAL_SYSCALL (clock_getres, err, 2, CLOCK_MONOTONIC, &ts);
-       return INTERNAL_SYSCALL_ERROR_P (r, err) ? 0 : 1;
+       return INTERNAL_SYSCALL_ERROR_P (r, err) ? -1 : 1;
       }
 #endif