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Introduce a separate header file for generic macros shared between
strace and its tests. Start this unification with ARRAY_SIZE macro.
* defs.h: Include "macros.h".
(ARRAY_SIZE): Move ...
* macros.h: ... to new file.
* Makefile.am (strace_SOURCES): Add it.
* tests/tests.h: Include "macros.h".
(ARRAY_SIZE): Remove. All callers updated.
* tests/tests.h (recv_mmsg, send_mmsg): New prototype.
* tests/libmmsg.c: New file.
* tests/Makefile.am (libtests_a_SOURCES): Add it.
* tests/mmsg.c Do not check for __NR_sendmmsg, __NR_recvmmsg,
HAVE_SENDMMSG, and HAVE_RECVMMSG. Do not include unused headers.
(recv_mmsg, send_mmsg): Remove.
* fetch_struct_msghdr.c: New file.
* fetch_struct_mmsghdr.c: Likewise.
* Makefile.am (strace_SOURCES): Add them.
* net.c (struct msghdr32, struct mmsghdr32, copy_from_msghdr32,
fetch_msghdr, fetch_mmsghdr): Remove.
(decode_msghdr, dumpiov_in_msghdr): Use fetch_struct_msghdr instead
of fetch_msghdr.
(decode_mmsghdr): Change msg_len argument to use_msg_len.
Use fetch_struct_mmsghdr instead of fetch_mmsghdr.
Return fetch_struct_mmsghdr's return code.
(decode_mmsg): Rename to decode_mmsgvec. Take addr and len arguments.
Do not print vlen and flags. Check decode_mmsghdr's return code.
Print mmsghdr array using square brackets.
(dumpiov_in_mmsghdr): Use fetch_struct_mmsghdr instead of fetch_mmsghdr.
(SYS_FUNC(sendmmsg), SYS_FUNC(recvmmsg)): Use decode_mmsgvec instead
of decode_mmsg. Print vlen and flags.
* tests/mmsg.c (main): Update expected output.
* msghdr.h: New file.
* Makefile.am (strace_SOURCES): Add it.
* net.c: Include it. Move fallback definition of struct mmsghdr there.
* tests/mmsg.c: Include "msghdr.h". Remove fallback definition
of struct mmsghdr.
This fixes the test on platforms where both __NR_sendmmsg and
HAVE_SENDMMSG are defined but the former is not implemented by the
kernel and the second is implemented as an indirect syscall.
* tests/mmsg.c (LENGTH_OF): New macro.
(send_mmsg, recv_mmsg): Print expected output in case of ENOSYS.
(main): Redirect stdout to a new descriptor. Use LENGTH_OF.
Print expected output.
* tests/mmsg.test: Update.
* tests/mmsg.expected: Remove.
* tests/Makefile.am (EXTRA_DIST): Remove mmsg.expected.
There are weird platforms that define __NR_sendmmsg but at the same time
do not define __NR_recvmmsg. Add a workaround for them.
* configure.ac (AC_CHECK_FUNCS): Add recvmmsg.
* tests/mmsg.c: Check for __NR_recvmmsg || HAVE_RECVMMSG.
* tests/tests.h (tail_memdup): New prototype.
* tests/tail_alloc.c (tail_memdup): New function.
* tests/mmsg.c (main): Place all objects passed to sendmmsg and recvmmsg
at the end of memory pages followed by inaccessible pages.
* tests/mmsg.c: Include <sys/syscall.h>.
Check for __NR_sendmmsg as an alternative to HAVE_SENDMMSG.
[!HAVE_STRUCT_MMSGHDR] (struct mmsghdr): Define.
(send_mmsg, recv_mmsg): New functions.
(main): Use them instead of sendmmsg and recvmmsg.
Reported-by: Szabolcs Nagy <nsz@port70.net>
Before this change, all files that exist since 20th century had
copyright headers, while most files that appeared later didn't. This
change fixes the inconsistency by adding missing copyright headers.
It doesn't mean that copyright headers became maintained. In my view,
git history provides much better information on this subject and is much
more accurate than copyright headers.
