Hi Eric,
On Fri, Apr 26, 2013 at 1:03 PM, Eric Blake <eblake@xxxxxxxxxx> wrote:
Oh, you did narrow in on the test. I haven't seen any recent bug-gnulib
traffic that mentions this test failing on OSX, nor do I have easy
access to a machine to verify and clean it up myself. Can you help
debug the issue? One thing to look at is whether gnulib is declaring
the system getgroups() as working or not - what does 'grep GETGROUPS
config.status' report for you? Also, it could just be an overly-strict
test.
[ruben@odin ~/src/libvirt-1.0.5]$ grep GETGROUPS config.status
S["REPLACE_GETGROUPS"]="1"
S["HAVE_GETGROUPS"]="1"
S["GNULIB_GETGROUPS"]="IN_LIBVIRT_GNULIB_TESTS"
D["GETGROUPS_T"]=" gid_t"
D["HAVE_GETGROUPS"]=" 1"
D["GNULIB_TEST_GETGROUPS"]=" 1"
Here's a quick gdb session:
[ruben@odin ~/src/libvirt-1.0.5/gnulib/tests]$ gdb ./test-getgroups
GNU gdb (GDB) 7.5.1
Copyright (C) 2012 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "x86_64-apple-darwin12.3.0".
For bug reporting instructions, please see:
Reading symbols from /Users/ruben/src/libvirt-1.0.5/gnulib/tests/test-getgroups...done.
(gdb) b main
Breakpoint 1 at 0x100001327: file test-getgroups.c, line 39.
(gdb) r
Starting program: /Users/ruben/src/libvirt-1.0.5/gnulib/tests/test-getgroups
Breakpoint 1, main (argc=1, argv=0x7fff5fbffa00) at test-getgroups.c:39
39 errno = 0;
(gdb) n
40 result = getgroups (0, NULL);
(gdb)
41 if (result == -1 && errno == ENOSYS)
(gdb) p result
$1 = 12
(gdb) n
46 ASSERT (0 <= result);
(gdb)
47 ASSERT (result + 1 < SIZE_MAX / sizeof *groups);
(gdb)
48 groups = malloc ((result + 1) * sizeof *groups);
(gdb)
49 ASSERT (groups);
(gdb)
50 groups[result] = -1;
(gdb)
55 if (1 < result)
(gdb)
57 errno = 0;
(gdb)
58 ASSERT (getgroups (result - 1, groups) == -1);
(gdb) s
rpl_getgroups (n=11, group=0x100107cb0) at getgroups.c:54
54 rpl_getgroups (int n, gid_t *group)
(gdb)
60 if (n < 0)
(gdb)
70 return getgroups (n, (GETGROUPS_T *) group);
(gdb)
test-getgroups.c:58: assertion failed
rpl_fflush (stream=0x7fff7cf03bc0) at fflush.c:124
124 rpl_fflush (FILE *stream)
Can you guide me on what to do next?
Thanks,
Ruben
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