diff options
| -rw-r--r-- | posix/tst-nice.c | 25 |
1 files changed, 11 insertions, 14 deletions
diff --git a/posix/tst-nice.c b/posix/tst-nice.c index 07fe67e..2b16cec 100644 --- a/posix/tst-nice.c +++ b/posix/tst-nice.c @@ -27,40 +27,37 @@ do_test (void) { int ret; const int incr = 10; - const int expected = 10; + int old; /* Discover current nice value. */ errno = 0; - ret = nice (0); - if (ret == -1 && errno != 0) + old = nice (0); + if (old == -1 && errno != 0) { - printf ("break: nice(%d) return: %d, errno: %d\n", 0, ret, errno); + printf ("break: nice(%d) return: %d, %m\n", 0, old); return 1; } - /* We cannot generally add up the increments since the values are - capped. So we run the test only if we initially run at level - 0. */ - if (ret != 0) - return 0; /* Nice ourselves up. */ errno = 0; ret = nice (incr); if (ret == -1 && errno != 0) { - printf ("break: nice(%d) return: %d, errno: %d\n", incr, ret, errno); + printf ("break: nice(%d) return: %d, %m\n", incr, ret); return 1; } /* Check for return value being zero when it shouldn't. Cannot simply - check for expected value since nice values are capped at 2^n-1. */ - if (ret != expected) + check for expected value since nice values are capped at 2^n-1. + But we assume that we didn't start at the cap and so should have + increased some. */ + if (ret <= old) { - printf ("fail: retval (%d) of nice(%d) != %d\n", ret, incr, expected); + printf ("FAIL: retval (%d) of nice(%d) != %d\n", ret, incr, old + incr); return 1; } - printf ("pass: nice(%d) return: %d\n", incr, ret); + printf ("PASS: nice(%d) from %d return: %d\n", incr, old, ret); return 0; } |