Define IN_EXCL_UNLINK
[glibc.git] / ChangeLog
blob1d12009935fd84dc568c1f62234ba45dcba34bf6
1 2010-08-11  Ulrich Drepper  <drepper@redhat.com>
3         * sysdeps/unix/sysv/linux/sys/inotify.h (IN_EXCL_UNLINK): Define.
5         * sysdeps/unix/sysv/linux/Makefile [subdir=misc] (sysdep_headers):
6         Add sys/fanotify.h.
7         * sysdeps/unix/sysv/linux/Versions [libc]: Export fanotify_init and
8         fanotify_mask for GLIBC_2.13.
9         * sysdeps/unix/sysv/linux/i386/syscalls.list: Add entries for
10         fanotify_init and fanotify_mark.
11         * sysdeps/unix/sysv/linux/wordsize-64/syscalls.list: Likewise.
12         * sysdeps/unix/sysv/linux/sys/fanotify.h: New file.
14         * sysdeps/unix/sysv/linux/Makefile [subdir=misc] (sysdep_routines):
15         Add prlimit.
16         * sysdeps/unix/sysv/linux/Versions [libc]: Export prlimit and
17         prlimit64 for GLIBC_2.13.
18         * sysdeps/unix/sysv/linux/bits/resource.h: Declare prlimit and
19         prlimit64.
20         * sysdeps/unix/sysv/linux/i386/syscalls.list: Add entry for prlimit64
21         syscall.
22         * sysdeps/unix/sysv/linux/powerpc/powerpc32/syscalls.list: Likewise.
23         * sysdeps/unix/sysv/linux/s390/s390-32/syscalls.list: Likewise.
24         * sysdeps/unix/sysv/linux/sh/syscalls.list: Likewise.
25         * sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.lis: Likewise.
26         * sysdeps/unix/sysv/linux/wordsize-64/syscalls.list: Likewise.  Also
27         add prlimit alias.
28         * sysdeps/unix/sysv/linux/prlimit.c: New file.
30         [BZ #11903]
31         * sysdeps/generic/netinet/ip.h (IPTOS_CLASS): Fix definition.
32         Patch by Evgeni Bikov <bikovevg@iitp.ru>.
34         * nss/Makefile: Add rules to build and run tst-nss-test1.
35         * shlib-versions: Add entry for libnss_test1.
36         * nss/nss_test1.c: New file.
37         * nss/tst-nss-test1.c: New file.
39         * nss/nsswitch.c (__nss_database_custom): Define new variable.
40         (__nss_configure_lookup): Set appropriate entry in
41         __nss_configure_lookup to true.
42         * nss/nsswitch.h: Define enum with indeces of databases in
43         databases and __nss_database_custom arrays.  Declare
44         __nss_database_custom.
45         * grp/initgroups.c (internal_getgrouplist): Use __nss_database_custom
46         to avoid using nscd when custom rules are installed.
47         * nss/getXXbyYY_r.c: Likewise.
48         * sysdeps/posix/getaddrinfo.c (gaih_inet): Likewise.
50         * nss/nss_files/files-parse.c: Whitespace fixes.
52 2010-08-09  Ulrich Drepper  <drepper@redhat.com>
54         [BZ #11883]
55         * posix/fnmatch.c: Keep track of alloca use and fall back on malloc.
56         * posix/fnmatch_loop.c: Likewise.
58 2010-07-17  Andi Kleen  <ak@linux.intel.com>
60         * sysdeps/i386/i386-mcount.S (__fentry__): Define.
61         * sysdeps/x86_64/_mcount.S (__fentry__): Define.
62         * stdlib/Versions (__fentry__): Add for GLIBC 2.13
63         * Versions.def [GLIBC_2.13]: Add.
65 2010-08-06  Ulrich Drepper  <drepper@redhat.com>
67         * sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid):
68         Also fail if tpwd after pwuid call is NULL.
70 2010-07-31  Samuel Thibault  <samuel.thibault@ens-lyon.org>
72         * hurd/hurdselect.c (_hurd_select): Round timeout up instead of down
73         when converting to ms.
75 2010-06-06  Samuel Thibault  <samuel.thibault@ens-lyon.org>
77         * sysdeps/mach/hurd/ttyname.c (ttyname): Replace MIG_BAD_ID and
78         EOPNOTSUPP errors with ENOTTY.
79         * sysdeps/mach/hurd/ttyname_r.c (__ttyname_r): Replace MIG_BAD_ID and
80         EOPNOTSUPP errors with ENOTTY.
82 2010-07-31  Ulrich Drepper  <drepper@redhat.com>
84         * sysdeps/x86_64/multiarch/Makefile [subdir=string] (sysdep_routines):
85         Add strcasecmp_l-ssse3.
86         * sysdeps/x86_64/multiarch/strcmp.S: Add support to compile for
87         strcasecmp.
88         * sysdeps/x86_64/strcmp.S: Allow more flexible compiling of strcasecmp.
89         * sysdeps/x86_64/multiarch/strcasecmp_l.S: New file.
90         * sysdeps/x86_64/multiarch/strcasecmp_l-ssse3.S: New file.
92 2010-07-30  Ulrich Drepper  <drepper@redhat.com>
94         * sysdeps/x86_64/multiarch/strcmp.S: Pretty printing.
96         * string/Makefile (strop-tests): Add strcasecmp.
97         * sysdeps/x86_64/Makefile [subdir=string] (sysdep_routines): Add
98         strcasecmp_l-nonascii.
99         (gen-as-const-headers): Add locale-defines.sym.
100         * sysdeps/x86_64/strcmp.S: Add support for strcasecmp implementation.
101         * sysdeps/x86_64/strcasecmp.S: New file.
102         * sysdeps/x86_64/strcasecmp_l.S: New file.
103         * sysdeps/x86_64/strcasecmp_l-nonascii.c: New file.
104         * sysdeps/x86_64/locale-defines.sym: New file.
105         * string/test-strcasecmp.c: New file.
107         * string/test-strcasestr.c: Test both ends of the range of characters.
108         * sysdeps/x86_64/multiarch/strstr.c: Fix UCHIGH definition.
110 2010-07-29  Roland McGrath  <roland@redhat.com>
112         [BZ #11856]
113         * manual/locale.texi (Yes-or-No Questions): Fix example code.
115 2010-07-27  Ulrich Drepper  <drepper@redhat.com>
117         * sysdeps/x86_64/multiarch/strcmp-ssse3.S: Avoid compiling the file
118         for ld.so.
120 2010-07-27  Andreas Schwab  <schwab@redhat.com>
122         * manual/memory.texi (Malloc Tunable Parameters): Document
123         M_PERTURB.
125 2010-07-26  Roland McGrath  <roland@redhat.com>
127         [BZ #11840]
128         * configure.in (-fgnu89-inline check): Set and substitute
129         gnu89_inline, not libc_cv_gnu89_inline.
130         * configure: Regenerated.
131         * config.make.in (gnu89-inline-CFLAGS): Use @gnu89_inline@.
133 2010-07-26  Ulrich Drepper  <drepper@redhat.com>
135         * string/test-strnlen.c: New file.
136         * string/Makefile (strop-tests): Add strnlen.
137         * string/tester.c (test_strnlen): Add a few more test cases.
138         * string/tst-strlen.c: Better error reporting.
140         * sysdeps/x86_64/strnlen.S: New file.
142 2010-07-24  Ulrich Drepper  <drepper@redhat.com>
144         * sysdeps/x86_64/multiarch/strstr.c (__m128i_strloadu_tolower): Use
145         lower-latency instructions.
147 2010-07-23  Ulrich Drepper  <drepper@redhat.com>
149         * string/test-strcasestr.c: New file.
150         * string/test-strstr.c: New file.
151         * string/Makefile (strop-tests): Add strstr and strcasestr.
152         * string/str-two-way.h: Don't undefine MAX.
153         * string/strcasestr.c: Don't define alias if NO_ALIAS is defined.
155 2010-07-21  Andreas Schwab  <schwab@redhat.com>
157         * sysdeps/i386/i686/multiarch/Makefile (sysdep_routines): Add
158         strcasestr-nonascii.
159         (CFLAGS-strcasestr-nonascii.c): Define.
160         * sysdeps/i386/i686/multiarch/strcasestr-nonascii.c: New file.
161         * sysdeps/x86_64/multiarch/strcasestr-nonascii.c (STRSTR_SSE42):
162         Remove unused attribute.
164 2010-07-20  Roland McGrath  <roland@redhat.com>
166         * elf/dl-sysdep.c (_dl_important_hwcaps): Add dsocaps mask to
167         dl_hwcap_mask as well as dl_hwcap.  Without this, dsocaps matching in
168         ld.so.cache was broken.  With it, there is no way to disable dsocaps
169         like LD_HWCAP_MASK can disable hwcaps.
171 2010-06-02  Emilio Pozuelo Monfort  <pochu27@gmail.com>
173         * sysdeps/mach/hurd/sendmsg.c (__libc_sendmsg): Fix memory leaks.
175 2010-07-16  Ulrich Drepper  <drepper@redhat.com>
177         * sysdeps/x86_64/multiarch/strstr.c: Rewrite to avoid indirect function
178         call in strcasestr.
179         * sysdeps/x86_64/multiarch/strcasestr.c: Declare
180         __strcasestr_sse42_nonascii.
181         * sysdeps/x86_64/multiarch/Makefile: Add rules to build
182         strcasestr-nonascii.c.
183         * sysdeps/x86_64/multiarch/strcasestr-nonascii.c: New file.
185 2010-06-15  Luis Machado  <luisgpm@br.ibm.com>
187         * sysdeps/powerpc/powerpc32/power6/fpu/s_copysign.S: New file.
188         * sysdeps/powerpc/powerpc32/power6/fpu/s_copysignf.S: New file.
189         * sysdeps/powerpc/powerpc64/power6/fpu/s_copysign.S: New file.
190         * sysdeps/powerpc/powerpc64/power6/fpu/s_copysignf.S: New file.
192 2010-07-09  Ulrich Drepper  <drepper@redhat.com>
194         * sysdeps/unix/sysv/linux/fpathconf.c (__fpathconf): Use __fcntl not
195         fcntl.
197 2010-07-06  Andreas Schwab  <schwab@redhat.com>
199         * elf/dl-version.c (match_symbol): Don't pass NULL occation to
200         dl_signal_cerror.
202 2010-07-06  Ulrich Drepper  <drepper@redhat.com>
204         * sysdeps/unix/sysv/linux/fpathconf.c (__fpathconf): Implement
205         _PC_PIPE_BUF using F_GETPIPE_SZ.
207 2010-07-05  Roland McGrath  <roland@redhat.com>
209         * manual/arith.texi (Rounding Functions): Fix rint description
210         implicit in round description.
212 2010-07-02  Ulrich Drepper  <drepper@redhat.com>
214         * elf/Makefile: Fix linking for a few tests to make recent linker
215         happy.
217 2010-06-30  Andreas Schwab  <schwab@redhat.com>
219         * dlfcn/Makefile (LDLIBS-bug-atexit3-lib.so): Readd
220         $(common-objpfx)libc_nonshared.a.
222 2010-06-21  Luis Machado  <luisgpm@br.ibm.com>
224         * sysdeps/powerpc/powerpc32/970/fpu/Implies: Remove.
225         * sysdeps/powerpc/powerpc32/power5/fpu/Implies: Remove.
226         * sysdeps/powerpc/powerpc32/power5+/fpu/Implies: Remove.
227         * sysdeps/powerpc/powerpc32/power6x/fpu/Implies: Remove.
228         * sysdeps/powerpc/powerpc64/970/fpu/Implies: Remove.
229         * sysdeps/powerpc/powerpc64/power5/fpu/Implies: Remove.
230         * sysdeps/powerpc/powerpc64/power5+/fpu/Implies: Remove.
231         * sysdeps/powerpc/powerpc64/power6x/fpu/Implies: Remove.
232         * sysdeps/unix/sysv/linux/powerpc/powerpc32/970/fpu/Implies: Remove.
233         * sysdeps/unix/sysv/linux/powerpc/powerpc32/power4/fpu/Implies: Remove.
234         * sysdeps/unix/sysv/linux/powerpc/powerpc32/power5/fpu/Implies: Remove.
235         * sysdeps/unix/sysv/linux/powerpc/powerpc32/power5+/fpu/Implies: Remove.
236         * sysdeps/unix/sysv/linux/powerpc/powerpc32/power6/fpu/Implies: Remove.
237         * sysdeps/unix/sysv/linux/powerpc/powerpc32/power6x/fpu/Implies: Remove.
238         * sysdeps/unix/sysv/linux/powerpc/powerpc32/power7/fpu/Implies: Remove.
239         * sysdeps/unix/sysv/linux/powerpc/powerpc64/970/fpu/Implies: Remove.
240         * sysdeps/unix/sysv/linux/powerpc/powerpc64/power4/fpu/Implies: Remove.
241         * sysdeps/unix/sysv/linux/powerpc/powerpc64/power5/fpu/Implies: Remove.
242         * sysdeps/unix/sysv/linux/powerpc/powerpc64/power5+/fpu/Implies: Remove.
243         * sysdeps/unix/sysv/linux/powerpc/powerpc64/power6/fpu/Implies: Remove.
244         * sysdeps/unix/sysv/linux/powerpc/powerpc64/power6x/fpu/Implies: Remove.
245         * sysdeps/unix/sysv/linux/powerpc/powerpc64/power7/fpu/Implies: Remove.
246         * sysdeps/powerpc/powerpc32/970/Implies: Point to power4.
247         * sysdeps/powerpc/powerpc32/power5/Implies: Point to power4.
248         * sysdeps/powerpc/powerpc32/power5+/Implies: Point to power5.
249         * sysdeps/powerpc/powerpc32/power6/Implies: Point to power5+.
250         * sysdeps/powerpc/powerpc32/power6x/Implies: Point to power6.
251         * sysdeps/powerpc/powerpc64/970/Implies: Point to power4.
252         * sysdeps/powerpc/powerpc64/power5/Implies: Point to power4.
253         * sysdeps/powerpc/powerpc64/power5+/Implies: Point to power5.
254         * sysdeps/powerpc/powerpc64/power6/Implies: Point to power5+.
255         * sysdeps/powerpc/powerpc64/power6x/Implies: Point to power6.
256         * sysdeps/powerpc/powerpc32/power7/Implies: New file.
257         * sysdeps/powerpc/powerpc64/power7/Implies: New file.
258         * sysdeps/unix/sysv/linux/powerpc/powerpc32/970/Implies: New file.
259         * sysdeps/unix/sysv/linux/powerpc/powerpc32/cell/Implies: New file.
260         * sysdeps/unix/sysv/linux/powerpc/powerpc32/power4/Implies: New file.
261         * sysdeps/unix/sysv/linux/powerpc/powerpc32/power5/Implies: New file.
262         * sysdeps/unix/sysv/linux/powerpc/powerpc32/power6/Implies: New file.
263         * sysdeps/unix/sysv/linux/powerpc/powerpc32/power6x/Implies: New file.
264         * sysdeps/unix/sysv/linux/powerpc/powerpc32/power7/Implies: New file.
265         * sysdeps/unix/sysv/linux/powerpc/powerpc64/970/Implies: New file.
266         * sysdeps/unix/sysv/linux/powerpc/powerpc64/cell/Implies: New file.
267         * sysdeps/unix/sysv/linux/powerpc/powerpc64/power4/Implies: New file.
268         * sysdeps/unix/sysv/linux/powerpc/powerpc64/power5/Implies: New file.
269         * sysdeps/unix/sysv/linux/powerpc/powerpc64/power6/Implies: New file.
270         * sysdeps/unix/sysv/linux/powerpc/powerpc64/power6x/Implies: New file.
271         * sysdeps/unix/sysv/linux/powerpc/powerpc64/power7/Implies: New file.
273 2010-06-25  H.J. Lu  <hongjiu.lu@intel.com>
275         * debug/memmove_chk.c (__memmove_chk): Renamed to ...
276         (MEMMOVE_CHK): ...this.  Default to __memmove_chk.
277         * string/memmove.c (memmove): Renamed to ...
278         (MEMMOVE): ...this.  Default to memmove.
279         * sysdeps/x86_64/memcpy.S: Use ENTRY_CHK and END_CHK.
280         * sysdeps/x86_64/sysdep.h (ENTRY_CHK): Define.
281         (END_CHK): Define.
282         * sysdeps/x86_64/multiarch/Makefile (sysdep_routines): Add
283         memcpy-ssse3 mempcpy-ssse3 memmove-ssse3 memcpy-ssse3-back
284         mempcpy-ssse3-back memmove-ssse3-back.
285         * sysdeps/x86_64/multiarch/bcopy.S: New file .
286         * sysdeps/x86_64/multiarch/memcpy-ssse3-back.S: New file.
287         * sysdeps/x86_64/multiarch/memcpy-ssse3.S: New file.
288         * sysdeps/x86_64/multiarch/memcpy.S: New file.
289         * sysdeps/x86_64/multiarch/memcpy_chk.S: New file.
290         * sysdeps/x86_64/multiarch/memmove-ssse3-back.S: New file.
291         * sysdeps/x86_64/multiarch/memmove-ssse3.S: New file.
292         * sysdeps/x86_64/multiarch/memmove.c: New file.
293         * sysdeps/x86_64/multiarch/memmove_chk.c: New file.
294         * sysdeps/x86_64/multiarch/mempcpy-ssse3-back.S: New file.
295         * sysdeps/x86_64/multiarch/mempcpy-ssse3.S: New file.
296         * sysdeps/x86_64/multiarch/mempcpy.S: New file.
297         * sysdeps/x86_64/multiarch/mempcpy_chk.S: New file.
298         * sysdeps/x86_64/multiarch/init-arch.h (bit_Fast_Copy_Backward):
299         Define.
300         (index_Fast_Copy_Backward): Define.
301         (HAS_ARCH_FEATURE): Define.
302         (HAS_FAST_REP_STRING): Define.
303         (HAS_FAST_COPY_BACKWARD): Define.
305 2010-06-21  Andreas Schwab  <schwab@redhat.com>
307         * sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid):
308         Restore proper fallback handling.
310 2010-06-19  Ulrich Drepper  <drepper@redhat.com>
312         [BZ #11701]
313         * posix/group_member.c (__group_member): Correct checking loop.
315         * sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid): Handle
316         OOM in getpwuid_r correctly.  Return error number when the caller
317         should return, otherwise -1.
318         (getlogin_r): Adjust to return also for result of __getlogin_r_loginuid
319         call returning > 0 value.
320         * sysdeps/unix/sysv/linux/getlogin.c (getlogin): Likewise.
322 2010-06-07  Andreas Schwab  <schwab@redhat.com>
324         * dlfcn/Makefile: Remove explicit dependencies on libc.so and
325         libc_nonshared.a from targets in modules-names.
327 2010-06-02  Kirill A. Shutemov  <kirill@shutemov.name>
329         * elf/dl-reloc.c: Flush cache after solving TEXTRELs if arch
330         requires it.
332 2010-06-10  Luis Machado  <luisgpm@br.ibm.com>
334         * sysdeps/powerpc/powerpc32/power7/memcmp.S: New file
335         * sysdeps/powerpc/powerpc64/power7/memcmp.S: New file.
336         * sysdeps/powerpc/powerpc32/power7/strncmp.S: New file.
337         * sysdeps/powerpc/powerpc64/power7/strncmp.S: New file.
339 2010-06-02  Andreas Schwab  <schwab@redhat.com>
341         * nis/nss_nis/nis-initgroups.c (get_uid): Properly resize buffer.
343 2010-06-14  Ulrich Drepper  <drepper@redhat.com>
345         * sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h: Define F_SETPIPE_SZ
346         and F_GETPIPE_SZ.
347         * sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise.
348         * sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h: Likewise.
349         * sysdeps/unix/sysv/linux/s390/bits/fcntl.h: Likewise.
350         * sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise.
351         * sysdeps/unix/sysv/linux/sh/bits/fcntl.h: Likewise.
352         * sysdeps/unix/sysv/linux/ia64/bits/fcntl.h: Likewise
354 2010-06-14  Roland McGrath  <roland@redhat.com>
356         * manual/libc.texinfo (@copying): Change to GFDL v1.3.
358 2010-06-07  Jakub Jelinek  <jakub@redhat.com>
360         * libio/stdio.h (sscanf, vsscanf): Use __REDIRECT_NTH instead of
361         __REDIRECT followed by __THROW.
362         * wcsmbs/wchar.h (swscanf, vswscanf): Likewise.
363         * posix/getopt.h (getopt): Likewise.
365 2010-06-02  Emilio Pozuelo Monfort  <pochu27@gmail.com>
367         * hurd/lookup-at.c (__file_name_lookup_at): Accept
368         AT_SYMLINK_FOLLOW in AT_FLAGS.  Fail with EINVAL if both
369         AT_SYMLINK_FOLLOW and AT_SYMLINK_NOFOLLOW are present
370         in AT_FLAGS.
371         * hurd/hurd/fd.h (__file_name_lookup_at): Update comment.
372         * sysdeps/mach/hurd/linkat.c (linkat): Pass O_NOLINK in FLAGS.
374 2010-05-28  Luis Machado  <luisgpm@br.ibm.com>
376         * sysdeps/powerpc/powerpc32/power7/memcpy.S: Exchange srdi for srwi.
378 2010-05-26  H.J. Lu  <hongjiu.lu@intel.com>
380         [BZ #11640]
381         * sysdeps/x86_64/multiarch/init-arch.c (__init_cpu_features):
382         Properly check family and model.
384 2010-05-26  Takashi Yoshii  <takashi.yoshii.zj@renesas.com>
386         * sysdeps/unix/sysv/linux/sh/sh4/register-dump.h: Fix iov[] size.
388 2010-05-24  Luis Machado  <luisgpm@br.ibm.com>
390         * sysdeps/powerpc/powerpc32/power7/memset.S: POWER7 32-bit memset fix.
392 2010-05-21  Ulrich Drepper  <drepper@redhat.com>
394         * elf/dl-runtime.c (_dl_profile_fixup): Don't crash on unresolved weak
395         symbol reference.
397 2010-05-19  Andreas Schwab  <schwab@redhat.com>
399         * elf/dl-runtime.c (_dl_fixup): Don't crash on unresolved weak
400         symbol reference.
402 2010-05-21  Andreas Schwab  <schwab@redhat.com>
404         * sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add recvmmsg
405         and internal_recvmmsg.
406         * sysdeps/unix/sysv/linux/recvmmsg.c: New file.
407         * sysdeps/unix/sysv/linux/internal_recvmmsg.S: New file.
408         * sysdeps/unix/sysv/linux/socketcall.h (SOCKOP_recvmmsg): Define.
409         * sysdeps/unix/sysv/linux/syscalls.list (recvmmsg): Remove.
411         * sunrpc/clnt_tcp.c (clnttcp_control): Add missing break.
412         * sunrpc/clnt_udp.c (clntudp_control): Likewise.
413         * sunrpc/clnt_unix.c (clntunix_control): Likewise.
415 2010-05-20  Andreas Schwab  <schwab@redhat.com>
417         * sysdeps/unix/sysv/linux/sys/timex.h: Use __REDIRECT_NTH.
419 2010-05-17  Luis Machado  <luisgpm@br.ibm.com>
421         POWER7 optimizations.
422         * sysdeps/powerpc/powerpc64/power7/memset.S: New file.
423         * sysdeps/powerpc/powerpc32/power7/memset.S: New file.
425 2010-05-19  Ulrich Drepper  <drepper@redhat.com>
427         * version.h: Update for 2.13 development version.
429 2010-05-12  Andrew Stubbs  <ams@codesourcery.com>
431         * sysdeps/sh/sh4/fpu/feholdexcpt.c (feholdexcept): Really disable all
432         exceptions.  Return 0.
434 2010-05-07  Roland McGrath  <roland@redhat.com>
436         * elf/ldconfig.c (main): Add a const.
438 2010-05-06  Ulrich Drepper  <drepper@redhat.com>
440         * nss/getent.c (idn_flags): Default to AI_IDN|AI_CANONIDN.
441         (args_options): Add no-idn option.
442         (ahosts_keys_int): Add idn_flags to ai_flags.
443         (parse_option): Handle 'i' option to clear idn_flags.
445         * malloc/malloc.c (_int_free): Possible race in the most recently
446         added check.  Only act on the data if no current modification
447         happened.
449 See ChangeLog.17 for earlier changes.