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Do not rely on "struct sigevent.__pad" being located at the same address
as "struct sigevent.sigev_notify_thread_id", it's not the case with musl
libc. Do not rely on struct sigevent definition at all to access
sigev_notify_thread_id.
* configure.ac (AC_CHECK_MEMBERS): Remove struct sigevent._sigev_un._pad
and struct sigevent.__pad.
* sigevent.h: New file.
* Makefile.am (strace_SOURCES): Add it.
* print_sigevent.c: Include it.
* print_sigevent.c (struct_sigevent): Remove.
(print_sigevent): Update all struct_sigevent users.
* tests/timer_create.c: Include "sigevent.h".
(main): Use struct_sigevent instead of struct sigevent,
all struct sigevent clients changed.
musl libc defines SIGRTMAX to a function that returns signed int,
which obviously makes gcc -Wsign-compare unhappy.
* signal.c (signame): Cast ASM_SIGRTMAX to unsigned int.
The size of off_t is not something one can rely upon. For example,
musl libc unconditionally defines it as an int64_t type on x86.
A cast to the target type helps to avoid these libc differences.
* configure.ac: Call AC_C_TYPEOF.
* tests/struct_flock.c (TYPEOF_FLOCK_OFF_T): New macro.
(test_flock_einval): Use it instead of off_t.
The types that are used to define msg_namelen member of struct msghdr
and cmsg_len member of struct cmsghdr differ between libcs.
For example, glibc defines them as size_t, while musl libc - as type
socklen_t. Print these fields using %lu format to avoid issues caused
by libc differences.
* tests/inet-cmsg.c (main): Cast mh.msg_controllen and c->cmsg_len
to unsigned long and print them using %lu format.
* 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>
Make the test compatible with musl libc that uses RT_2 internally.
* tests/sigreturn.c (main): Replace RT_2 with RT_5.
* tests/sigreturn.test: Likewise.
Reported-by: Szabolcs Nagy <nsz@port70.net>
Workaround limitations of settimeofday wrapper provided by musl libc.
* tests/xettimeofday.c (main): Call settimeofday using syscall().
Reported-by: Szabolcs Nagy <nsz@port70.net>
Print the second return value of getxpid, getxuid, and getxgid syscalls
that return a pair of values using the same mechanism as pipe syscall.
* alpha.c: New file.
* Makefile.am (strace_SOURCES): Add it.
* linux/alpha/syscallent.h [20]: Change SEN(getpid) to SEN(getxpid).
[24]: Change SEN(getuid) to SEN(getxuid).
[47]: Change SEN(getgid) to SEN(getxgid).
* NEWS: Mention this enhancement.
* tests/uid.awk: Update for getxgid output change.
* tests/uid.test: Cleanup.
* tests/getxxid.c: New file.
* tests/getxxid.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add getxxid.
(TESTS): Add getxxid.test.
* tests/.gitignore: Add getxxid.
Use chdir syscalls instead of pwrite64 syscalls as a method of inserting
text markers into strace output because the former are more portable.
* tests/fork-f.c (logit): Rename to logit_. Use chdir instead of pwrite.
(logit): New macro wrapper around logit_.
(main): Update expected output.
* tests/vfork-f.c: Likewise.
* tests/fork-f.test: Update.
This change complements commit v4.9-359-gd93d9f8 by fixing
RVAL_UDECIMAL case.
The only syscall that appears to be affected is the times syscall.
* syscall.c (trace_syscall_exiting): In case of RVAL_UDECIMAL,
when current personality is 32-bit, print 32-bit return code.
* NEWS: Mention this fix.
Reported-by: Steve McIntyre <steve@einval.com>
On some platforms, e.g. hppa glibc, vfork() is implemented using fork
syscall, so the test cannot rely on the parent process remaining blocked
until the child process either terminates or calls execve.
* tests/vfork-f.c (main): Explicitly block the parent until the child
either terminates or calls execve.
Print cpu_set_t as a set of integers, similar to the way
fd_set is printed as a set of descriptors.
* affinity.c: Include <sched.h>.
(get_cpuset_size): New function.
(print_affinitylist): Rewrite using get_cpuset_size and next_set_bit.
(sched_getaffinity, sched_setaffinity): Print first two args as ints.
* NEWS: Mention this enhancement.
* tests/sched_xetaffinity.c: New file.
* tests/sched_xetaffinity.test: New test.
* tests/Makefile.am (check_PROGRAMS): Add sched_xetaffinity.
(TESTS): Add sched_xetaffinity.test.
* tests/.gitignore: Add sched_xetaffinity.
Reported-by: Joe Korty <joe.korty@ccur.com>
