2002-08-04 Ulrich Drepper <drepper@redhat.com>
* stdio-common/psignal.c: Declare _sys_siglist_internal. Use USEINT
to access _sys_siglist.
* string/strsignal.c: Likewise.
* sysdeps/generic/siglist.c: Add _sys_siglist_internal alias.
* sysdeps/gnu/siglist.c: Likewise.
* sysdeps/unix/siglist.c: Likewise.
* sysdeps/unix/sysv/linux/arm/siglist.c: Likewise.
* libio/fileops.c: Add missing INTUSEs for _IO_file_jumps.
* libio/wfileops.c: Add missing INTUSE for _IO_file_close.
* intl/dcigettext.c: Define _nl_default_dirname_internal as hidden
alias and use it.
* intl/bindtextdom.c: Use _nl_default_dirname_internal.
* include/netinet/in.h: Add declaration of in6addr_loopback_internal.
* inet/in6_addr.c: Add INTVARDEF for in6addr_loopback.
* sysdeps/posix/getaddrinfo.c: Use INTUSE for in6addr_loopback access.
* include/time.h: Add libc_hidden_proto for __gmtime_r.
* time/gmtime.c (__gmtime_r): Add libc_hidden_def.
* iconv/Versions: Replace __gconv_alias_db, __gconv_modules_db,
and __gconv_cache with __gconv_get_alias_db, __gconv_get_modules_db,
and __gconv_get_cache respectively.
* iconv/gconv_cache.c (gconv_cache): Renamed for __gconv_cache and
defined static. Change all users.
(__gconv_get_cache): New function.
* iconv/gconv_db.c (__gconv_get_modules_db): New function.
(__gconv_get_alias_db): New function.
* iconv/gconv_int.h (__gconv_alias_db): Declare as hidden.
(__conv_modules_db): Likewise.
Add prototypes for __gconv_get_cache, __gconv_get_modules_db,
and __gconv_get_alias_db.
* iconv/iconv_prog.c: Use the new functions instead of accessing the
variables.
* include/stdlib.h: Add prototype and libc_hidden_proto for
__default_morecore.
* sysdeps/generic/morecore.c: Include <stdlib.h>.
* malloc/obstack.c: Remove fputs macro.
* malloc/mtrace.c: Remove fopen macro.
* locale/localename.c (_nl_current_names): ... here, new file.
Make it global, with attribute_hidden.
* locale/localeinfo.h: Declare it.
* locale/Makefile (aux): Add localename.
* locale/localename.c (__current_locale_name): New function.
* include/locale.h (__current_locale_name): Declare it.
* intl/dcigettext.c (guess_category_value): Use that instead of
calling setlocale.
* locale/locale.h [__USE_GNU] (locale_t): New type alias of __locale_t.
[__USE_GNU] (newlocale, duplocale, freelocale, uselocale): New decls.
[__USE_GNU] (LC_GLOBAL_LOCALE): New macro.
* locale/newlocale.c: Add alias to __ name.
* locale/duplocale.c: Likewise.
* locale/freelocale.c: Likewise.
* locale/uselocale.c: New file.
* locale/Makefile (routines): Add it.
* locale/Versions (libc: GLIBC_2.3): New set.
Add newlocale, duplocale, freelocale, uselocale.
(libc: GLIBC_PRIVATE): Add __uselocale.
* locale/localeinfo.h [SHARED]
(_NL_CURRENT_LOCALE): New macro, defined to fetch a tsd value.
(_NL_CURRENT_DATA): Define using that.
(_NL_CURRENT, _NL_CURRENT_WSTR, _NL_CURRENT_WORD): Define using that.
(_NL_CURRENT_DEFINE): Define to empty.
[! SHARED]: Decls of _nl_current_CATEGORY and _nl_current
conditionalized on this.
* locale/xlocale.c (NL_C_INTIIALIZER): New macro,
taking initializer of _nl_C_locobj.
[SHARED] (_nl_global_locale): New variable, using that initializer.
(_nl_C_locobj): Use new macro for initialzier.
* locale/setlocale.c [! SHARED] (_nl_current): Conditionalize on this.
[! SHARED] (CATEGORY_USED): New macro.
[SHARED] (CATEGORY_USED, _nl_C): New macros.
(setdata, setlocale): Use that macro instead of examining _nl_current.
(setdata): Set the slot in _nl_global_locale.
Conditionalize setting of _nl_current on [! SHARED].
* locale/findlocale.c [SHARED] (_nl_C): Define as a macro instead of
declaration as an extern.
* locale/newlocale.c (__newlocale): Use _nl_C_locobj instead of _nl_C.
* include/locale.h: Use libc_hidden_proto for setlocale.
* locale/setlocale.c: Add libc_hidden_def.
* locale/setlocale.c (free_mem): Use _NL_CURRENT_DATA.
2002-08-03 Jakub Jelinek <jakub@redhat.com>
Ulrich Drepper <drepper@redhat.com>
* malloc/malloc.c (public_cALLOc): Only divide if at least one of
arguments is big enough to cause an overflow.
2002-08-03 Ulrich Drepper <drepper@redhat.com>
* assert/assert.c: Use hidden_def not INTDEF.
2002-08-03 Jakub Jelinek <jakub@redhat.com>
* include/libc-symbols.h: Optimize if HAVE_BROKEN_ALIAS_ATTRIBUTE is
not defined.
[! _LIBC_REENTRANT] (_res): Move this conditional decl to ...
* include/resolv.h: ... here.
[USE_TLS && HAVE___THREAD] (_res): #undef it and declare
as a __thread variable.
* resolv/res_libc.c [USE_TLS && HAVE___THREAD] (_res): Define it as
a __thread variable instead of a global.
* resolv/res_data.c [_LIBC]: Don't #undef _res.
* include/errno.h: Include <tls.h> to make sure USE_TLS defined by the
time we test it.
* intl/loadmsgcat.c [__GNUC__]: #undef alloca before defining it.
* malloc/malloc.c [_LIBC]: Include <string.h> instead of using local
decls of memset and memcpy.
* sysdeps/generic/sysdep.h (END): Conditionalize on [__ASSEMBLER__].
* sysdeps/unix/sysv/linux/i386/sysdep.h (L): Likewise.
* elf/dl-load.c (_dl_map_object_from_fd): Comment fix.
* sysdeps/generic/bits/libc-tsd.h [USE_TLS && HAVE___THREAD]
(__libc_tsd_define): Define using __thread.
* sunrpc/rpc_thread.c: Use __libc_tsd_define.
(__rpc_thread_variables): Use __libc_tsd_get.
(__rpc_thread_destroy): Use __libc_tsd_get instead of calling
__rpc_thread_variables, which might allocate what we're about to free.
* inet/herrno.c [USE_TLS && HAVE___THREAD] (h_errno): Define as a
thread-local variable.
* resolv/netdb.h (h_errno): Define macro unconditionally.
[_LIBC] (__set_h_errno): Macro moved to ...
* include/netdb.h: ... here.
[USE_TLS && HAVE___THREAD] (h_errno): Declare __thread variable.
[USE_TLS && HAVE___THREAD] (__set_h_errno): Define using that.
[! _LIBC_REENTRANT]: #undef h_errno here.
* include/errno.h: Protect from multiple inclusion.
* misc/sys/select.h (__NFDBITS, __FDELT, __FDMASK): #undef these
before defining them, since Linux's <linux/posix_types.h> might have
defined them.
2002-08-01 Roland McGrath <roland@redhat.com>
2002-07-31 Roland McGrath <roland@redhat.com>
2002-07-31 Roland McGrath <roland@redhat.com>
2002-08-02 Jakub Jelinek <jakub@redhat.com>
* malloc/malloc.c (public_cALLOc): Check for overflow on
multiplication.
* sunrpc/xdr_array.c (xdr_array): Likewise.
* sunrpc/rpc/types.h (mem_free): Add comment.
Patch by Solar Designer <solar@openwall.com>.
2002-08-02 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/kernel-features.h
(__ASSUME_SET_THREAD_AREA_SYSCALL): Define.
* libio/stdio.h (sys_errlist, sys_nerr, _sys_errlist, _sys_nerr):
* libio/Makefile (headers): Add bits/sys_errlist.h to the list.
* sysdeps/generic/bits/sys_errlist.h: New file. This does *not*
declare sys_errlist and sys_nerr.
* sysdeps/unix/sysv/linux/bits/sys_errlist.h: New file. Does
(_IO_file_jumps_mmap): Use it.
(_IO_file_underflow_mmap): Rewritten. If after EOF or fflush,
repeat the stat check and resize the mapped buffer as necessary.
2002-07-31 Roland McGrath <roland@frob.com>
* libio/fileops.c (decide_maybe_mmap): New static function.
Code taken from libio/iofopen.c:__fopen_maybe_mmap to try to
mmap the file contents. Then switch the jump tables to the mmap
tables if it worked, or the vanilla file tables if not.
(_IO_file_underflow_maybe_mmap): New function.
(_IO_file_seekoff_maybe_mmap): New function.
(_IO_file_xsgetn_maybe_mmap): New function.
(_IO_file_jumps_maybe_mmap): New variable, jump table using those.
* libio/libioP.h: Declare those.
* libio/wfileops.c (_IO_wfile_underflow_maybe_mmap): New function.
(_IO_wfile_jumps_maybe_mmap): New variable, jump table using that.
* libio/iofopen.c (__fopen_maybe_mmap): Don't try to mmap here.
If the stream is read-only, set its jump tables to those new ones.
* libio/iofdopen.c (_IO_new_fdopen) [_G_HAVE_MMAP]: Set the initial
jump tables to the maybe_mmap ones, and don't call __fopen_maybe_mmap.
We need the tables set before _IO_file_attach.
* libio/tst-mmap-eofsync.c: New file.
* libio/tst-mmap-fflushsync.c: New file.
* libio/bug-mmap-fflush.c: New file.
* libio/tst-mmap2-eofsync.c: New file.
* libio/Makefile (tests): Add them.
* libio/wfileops.c (_IO_wfile_underflow_mmap): Don't set EOF bit when
_IO_file_underflow_mmap fails, it already set the appropriate bit.
* libio/stdio.h (sys_errlist, sys_nerr, _sys_errlist, _sys_nerr):
Declarations moved to <bits/sys_errlist.h>. Include that file.
* libio/Makefile (headers): Add bits/sys_errlist.h to the list.
* sysdeps/generic/bits/sys_errlist.h: New file. This does *not*
declare sys_errlist and sys_nerr.
* sysdeps/unix/sysv/linux/bits/sys_errlist.h: New file. Does
provide declarations.
2002-07-15 Alexandre Oliva <aoliva@redhat.com>
* configure.in (static_nss): Set to `yes' if --disable-shared.
2002-07-23 Bruno Haible <bruno@clisp.org>
* intl/loadmsgcat.c (PRI*): Redefine the macros if PRI_MACROS_BROKEN
is set.
2002-07-25 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/ia64/sigcontextinfo.h: New file.
* sysdeps/unix/sysv/linux/ia64/profil-counter.h: Fix profil_counter
arguments.
2002-07-25 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/alpha/adjtime.c (__adjtimex_internal): Add
alias.
2002-07-21 Bruno Haible <bruno@clisp.org>
* intl/libintl.h (__GNU_GETTEXT_SUPPORTED_REVISION): New macro.
* intl/gettext.h (struct mo_file_header): New fields n_sysdep_segments,
sysdep_segments_offset, n_sysdep_strings, orig_sysdep_tab_offset,
trans_sysdep_tab_offset.
(struct sysdep_segment): New type.
(struct sysdep_string): New type.
(SEGMENTS_END): New macro.
* intl/gettextP.h (struct sysdep_string_desc): New type.
(struct loaded_domain): New fields malloced, n_sysdep_strings,
orig_sysdep_tab, trans_sysdep_tab, must_swap_hash_tab. Make fields
orig_tab, trans_tab, hash_tab to const pointers because they point
into read-only memory.
* intl/loadmsgcat.c: Include stdint.h, inttypes.h, hash-string.h.
(PRI*): Define fallback values.
(get_sysdep_segment_value): New function.
(_nl_load_domain): Distinguish major and minor revision parts. Add
support for minor revision 1 with system dependent strings.
(_nl_unload_domain): Also free the 'malloced' field.
* intl/dcigettext.c (_nl_find_msg): Remove test for domain->hash_size,
now done in loadmsgcat.c. Add support for system dependent strings.
2002-07-27 Ulrich Drepper <drepper@redhat.com>
* iconvdata/Makefile (CPPFLAGS): Add NOT_IN_libc.
* iconv/iconv_prog.c (main): Improve error message for the cases
where -t and/or -f parameter are missing.
2002-07-10 Stepan Kasal <kasal@math.cas.cz>
* posix/regexec.c (re_match): Reorganize to remove duplicate code.
(re_search): Likewise.
(re_match_2): Likewise.
(re_search_2): Likewise.
(re_search_stub): New function.
(re_search_2_stub): New function.
* regcomp.c (re_compile_pattern): Typo in a comment fixed.
2002-07-10 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regex_internal.h: Add new member STOP to struct re_string_t.
(re_string_eoi): Use STOP instead of LEN.
* posix/regex_internal.c (re_string_allocate): Initialize pstr->len.
(re_string_construct): Likewise.
(re_string_reconstruct): Adjust pstr->stop like pstr->len.
* posix/regexec.c (re_search_internal): Add a new argument STOP
so that it can handle the argument STOP of re_search_2 and re_match_2
correctly.
(regexec): Adapt to new I/F of re_search_internal.
(re_search_stub): Likewise.
This implementation supports only IPv4.
* inet/ifaddrs.h: New file.
* sysdeps/generic/ifaddrs.c: New file.
* sysdeps/gnu/ifaddrs.c: New file.
* inet/test-ifaddrs.c: New file.
* inet/Makefile (routines): Add ifaddrs.
(headers): Add ifaddrs.h here.
(tests): Add test-ifaddrs.
* inet/Versions (GLIBC_2.3): New set, add getifaddrs and freeifaddrs.
* resolv/res_hconf.c (_res_hconf_reorder_addrs): Use an explicit
socket call to get an AF_INET socket, instead of using __opensock.
The SIOCGIFNETMASK ioctl will work only with a PF_INET socket.
* sysdeps/generic/ifreq.h (__ifreq): Take third argument SOCKFD,
if not -1 use it instead of calling __opensock.
* sysdeps/unix/sysv/linux/ifreq.h (__ifreq): Likewise.
* sysdeps/mach/hurd/ifreq.h (__ifreq): Take new argument and ignore it.
* resolv/res_hconf.c (_res_hconf_reorder_addrs): Pass new argument.
* sysdeps/mach/hurd/ifreq.h: New file.
* sysdeps/generic/ifreq.h (__if_freereq): Take second argument NUM_IFS.
* sysdeps/unix/sysv/linux/ifreq.h (__if_freereq): Likewise.
* resolv/res_hconf.c (_res_hconf_reorder_addrs): Update caller.
2002-07-24 Philip Blundell <philb@gnu.org>
* sysdeps/unix/arm/brk.S: Improve schedule.
* sysdeps/unix/sysv/linux/arm/socket.S (PUSHARGS_1): Use more
efficient instruction.
(__socket): Optimize return sequence.
* locale/hashval.h: Make more self-contained by defining LONG_BITS.
2002-07-22 Philip Blundell <philb@gnu.org>
* sysdeps/unix/sysv/linux/arm/errlist.c: Remove extra weak alias
definiton of _old_sys_nerr. Define _old_sys_errlist as strong
alias.
2002-07-24 Ulrich Drepper <drepper@redhat.com>
* locale/hashval.h: Make more self-containedby defining LONG_BITS.
* locale/programs/simple-hash.c: Remove LONG_BITS definition.
* locale/programs/locarchive.c (add_locale_to_archive): Correct
test to detect duplicate locales.
* libio/fileops.c (_IO_new_file_seekoff): Fail if relative
position would be before beginning of file.
(_IO_file_seekoff_mmap): Likewise.
* libio/Makefile (tests): Add bug-fseek.
* libio/bug-fseek.c: New file.
* intl/explodename.c: Remove support for CEN-style locale variables.
It was never used and shouldn't be since it's not portable.
* intl/finddomain.c: Likewise.
* intl/l10nflist.c: Likewise.
* intl/loadinfo.h: Likewise.
* locale/findlocale.c: Likewise.
2002-07-23 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/libc-tls.c: New file.
* csu/Makefile (routines): Add libc-tls.
(static-only-routines): Add libc-tls.
* elf/dl-support.c (_dl_phdr): New variable.
(_dl_phnum): New variable.
(_dl_aux_init): Initialize _dl_phdr and _dl_phnum from aux vector.
* sysdeps/generic/libc-start.c (__libc_start_main): Reorganize code
for !SHARED. First look through auxiliary vector. If TLS always
call __pthread_initialize_minimal.
* sysdeps/generic/dl-tls.c (_dl_allocate_tls): Make sure size argument
in mmap call is never zero.
2002-07-22 Ulrich Drepper <drepper@redhat.com>
* libio/bug-rewind.c: Use test skeleton. Use create_temp_file for
file creation.
* test-skeleton.c (create_temp_file): New function.
put -I../include before -I../stdlib so we get the right errno.h et al.
(CFLAGS-wcstod.c): Use that variable instead of -I../stdlib.
(CFLAGS-wcstof.c): Likewise.
(CFLAGS-wcstold.c): Likewise.
(CFLAGS-wcstod_l.c): Likewise.
(CFLAGS-wcstof_l.c): Likewise.
(CFLAGS-wcstold_l.c): Likewise.
* sysdeps/unix/sysv/linux/ldsodefs.h (HAVE_AUX_XID): Define if
__ASSUME_AT_XID is defined.
* sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_AT_XID): Define
for 2.4.1 and up.
* sysdeps/generic/dl-sysdep.c (_dl_sysdep_start): Optimize handling
of AT_UID, AT_EUID, AT_GID, and AT_EGID.
2002-07-18 Jakub Jelinek <jakub@redhat.com>
* resource/sys/resource.h (__rlimit_resource_t, __rusage_who_t,
__priority_which_t): Always typedef to int for C++.
2002-07-02 H.J. Lu <hjl@gnu.org>
* sysdeps/mips/atomicity.h: Don't include <sgidefs.h>. Always
use ll/sc.
* sysdeps/unix/sysv/linux/mips/sys/tas.h: Likewise.
* sysdeps/unix/sysv/linux/configure.in: Set arch_minimum_kernel
to 2.4.0 for mips.
TLS fail if USE_TLS is not defined.
2002-07-13 Andreas Jaeger <aj@suse.de>
* sysdeps/unix/sysv/linux/mips/register-dump.h (register_dump):
Use correct indices.
Patch by Eliot Dresselhaus <eliot@ayrnetworks.com>.
2002-07-11 Ulrich Drepper <drepper@redhat.com>
* Versions.def (libc): Add GLIBC_2.3.
* stdlib/Versions [libc] (GLIBC_2.3): Add realpath.
* stdlib/canonicalize.c: Add compatibility version for realpath
and make new code available in GLIBC_2.3.
* malloc/hooks.c (realloc_check): If mremap succeeds actually use
the result.
* sysdeps/i386/i486/bits/string.h: Add early clobber for "a"
output parameter. Reported by Denis Zaitsev <zzz@cd-club.ru>.
* Versions.def (libthread_db): Add GLIBC_2.3.
2002-07-09 Jakub Jelinek <jakub@redhat.com>
* libio/freopen.c (freopen): Reset jump tables, use mmap stdio for the
new stream if possible.
* libio/freopen64.c (freopen64): Likewise.
* libio/Makefile (tests): Add tst-freopen.
* libio/tst-freopen.c: New file.
2002-07-03 Jakub Jelinek <jakub@redhat.com>
* libio/stdio.h (obstack_printf): Add format attribute.
(obstack_vprintf): Likewise.
2002-07-04 Jakub Jelinek <jakub@redhat.com>
* posix/regex_internal.h (re_token_t): Shrink the structure to 8
resp. 16 bytes on 32-bit resp. 64-bit platforms.
(re_charset_t, re_string_t): Reorder structure members for 64-bit
architectures.
2002-07-04 Jakub Jelinek <jakub@redhat.com>
* posix/regcomp.c (re_compile_internal): Move clearing of dfa...
(init_dfa): ...here.
2002-07-05 Isamu Hasegawa <isamu@yamato.ibm.com>
* posix/regcomp.c (parse_sub_exp): Add nodes OP_OPEN_SUBEXP and
OP_CLOSE_SUBEXP at both ends of sub expressions instead of SUBEXP
nodes in parse trees.
(calc_first): Fix the Definition of `firsts' of OP_OPEN_SUBEXP
and OP_CLOSE_SUBEXP, and remove the definition of SUBEXP.
(calc_epsdest): Treat OP_OPEN_SUBEXP and OP_CLOSE_SUBEXP as the
nodes which can epsilon transit.
* posix/regex_internal.h: Add OP_OPEN_SUBEXP and OP_CLOSE_SUBEXP
to IS_EPSILON_NODE macro.
* posix/regexec.c (update_regs): New function to update registers
by refering OP_OPEN_SUBEXP and OP_CLOSE_SUBEXP nodes.
(proceed_next_node): Use the entities of the nodes to determine
whether the node can transit to.
(set_regs): Use update_regs function to update registers.
2002-07-03 Jakub Jelinek <jakub@redhat.com>
* posix/bug-regex4.c (main): Remove duplicate setlocale.
* posix/bug-regex6.c: New file.
* posix/Makefile (tests): Add bug-regex6.
(bug-regex6-ENV): Set LOCPATH.
2002-07-10 Ulrich Drepper <drepper@redhat.com>
2002-07-06 Bruno Haible <bruno@clisp.org>
* sysdeps/i386/fpu/libm-test-ulps: Add some ulps for AMD K7.
* rt/Makefile (tests): Don't add tst-aio* in a single-threaded build.
* sysdeps/unix/bsd/sun/sunos4/bits/utsname.h: Test for _SYS_UTSNAME_H,
not _UTSNAME_H.
* sysdeps/unix/bsd/ultrix4/bits/utsname.h: Likewise.
* sysdeps/generic/bits/stropts.h: Protect against direct inclusion.
* sysdeps/generic/bits/ustat.h: Likewise.
* sysdeps/unix/sysv/linux/bits/statvfs.h (ST_NODIRATIME): Set to
2048.
* locale/iso-639.def: Add entry for Ganda.
* locale/programs/ld-address.c (DEFINE_LANGUAGE_CODE3): New
definition.
(address_finish): Handle entries with two letter ISO 639 code.
* iconvdata/Makefile: Recreate gconv-modules.cache file in target
expected result. Reported by Stephen L Moshier <steve@moshier.net>.
2002-06-30 Ulrich Drepper <drepper@redhat.com>
* math/libm-test.inc (cexp_test): Add missing L suffix for
expected result. Reported by Stephen L Moshier <steve@moshier.net>.
* sysdeps/i386/fpu/libm-test-ulps: Adjust error for cexp (0.75 +
1.25 i).
2002-05-28 H.J. Lu <hjl@gnu.org>
* elf/dl-deps.c (_dl_map_object_deps): Don't add objects which
are not dlopened on the dependency list of a dlopened object.
2002-06-30 Ulrich Drepper <drepper@redhat.com>
* elf/dl-lookup.c (add_dependency): It is not necessary to add
dependencies if they are created between objects which are created
while processing RTLD_NOW for objects loaded as part of the same
dlopen call.
2002-06-14 H.J. Lu <hjl@gnu.org>
* elf/Makefile (tests): Add circleload1.
(modules-names): Add circlemod1, circlemod2, circlemod3,
circlemod1a, circlemod2a and circlemod3a.
($(objpfx)circleload1): New target.
($(objpfx)circleload1.out): Likewise.
($(objpfx)circlemod1.so): Likewise.
($(objpfx)circlemod2.so): Likewise.
($(objpfx)circlemod1a.so): Likewise.
($(objpfx)circlemod2a.so): Likewise.
* elf/circleload1.c: New file.
* elf/circlemod1.c: New file.
* elf/circlemod1a.c: New file.
* elf/circlemod2.c: New file.
* elf/circlemod2a.c: New file.
* elf/circlemod3.c: New file.
* elf/circlemod3a.c: New file.
2002-06-18 Amos Waterland <apw@us.ibm.com>
* sysdeps/pthread/aio_cancel.c (aio_cancel): Add check for invalid
file descriptor.
* sysdeps/pthread/aio_fsync.c (aio_fsync): Add check for invalid fd;
add check for fd not open for writing.
* sysdeps/pthread/aio_suspend.c (aio_suspend): Add check for
completed element(s) and do not suspend thread if so. Patch
heavily modified by drepper.
* rt/tst-aio7.c: New file. Regression test for problems which the
above three changes fix.
* rt/Makefile (tests): Add tst-aio7.
* rt/tst-aio6.c: Fix comment.
