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tst-getcpu: decode errno when sched_getcpu fails 

The tst-getcpu test is failing on ia64 platforms due to sched_getcpu
returning an error.  But the current test only considers -1 when it's
also ENOSYS.  Tweak the logic a bit to make the output clearer.

Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mike Frysinger 2012-05-06 18:30:15 -04:00
parent 3cc0cd4c5b
commit 1214ec8f4c
2 changed files with 13 additions and 3 deletions
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5
ChangeLog
View File

@ -1,3 +1,8 @@
2012-06-04 Mike Frysinger <vapier@gentoo.org>
* sysdeps/unix/sysv/linux/tst-getcpu.c (do_test): Call perror when
cpu2 is -1 and errno is not ENOSYS.
2012-06-04 H.J. Lu <hongjiu.lu@intel.com> 2012-06-04 H.J. Lu <hongjiu.lu@intel.com>
[BZ #14117] [BZ #14117]

7
sysdeps/unix/sysv/linux/tst-getcpu.c
View File

@ -31,11 +31,16 @@ do_test (void)
else else
{ {
int cpu2 = sched_getcpu (); int cpu2 = sched_getcpu ();
if (cpu2 == -1 && errno == ENOSYS) if (cpu2 == -1)
{
if (errno == ENOSYS)
{ {
puts ("getcpu syscall not implemented"); puts ("getcpu syscall not implemented");
return 0; return 0;
} }
perror ("getcpu failed");
result = 1;
}
if (cpu2 != cpu) if (cpu2 != cpu)
{ {
printf ("getcpu results %d not possible\n", cpu2); printf ("getcpu results %d not possible\n", cpu2);