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2003-03-20 Roland McGrath <roland@redhat.com> 

* posix/tst-nice.c (do_test): Use %m formats instead of printing errno
	in decimal.  Don't bail if niced at start.  Just check that nice call
	bumps the total at all.
This commit is contained in:
Roland McGrath 2003-03-20 11:40:36 +00:00
parent b1aea0989d
commit 41f3e892d8
1 changed files with 11 additions and 14 deletions
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25
posix/tst-nice.c
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@ -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;
}