Kyle Evans ee9895e10d kern: send parent a SIGCHLD when the debugger has detached ... The practical scenario that leads to this is porch(1) spawning some utility and sending it a SIGSTOP as a debugging aide. The user then attaches a debugger and walks through how some specific input is processed, then detaches to allow the script to continue. When ptrace is detached, the process resumes execution but the parent is never notified and may be stuck in wait(2) for it to continue or terminate. Other platforms seem to re-suspend the process after the debugger is detached, but neither behavior seems unreasonable. Just notifying the parent that the child has resumed is a relatively low-risk departure from our current behavior and had apparently been considered in the past, based on pre-existing comments. Move p_flag and p_xsig handling into childproc_continued(), as just sending the SIGCHLD here isn't really useful without P_CONTINUED set and the other caller already sets these up as well. Reviewed by: kib, markj Differential Revision: https://reviews.freebsd.org/D50917		2025-06-19 10:32:04 -05:00
..
aarch64	libsys/aarch: Remove pointless MD syscall(2)	2024-03-07 00:59:01 +00:00
amd64	amd64: add amd64_set_tlsbase(3)	2025-05-28 14:11:23 +03:00
arm	lib: Remove __ARM_ARCH checks that are always true	2024-06-12 11:49:05 +00:00
i386	libsys/i386/Symbol.sys.map: sort symbol names	2024-12-11 20:31:30 +00:00
powerpc	lib{c,sys}: return wrapped syscall APIs to libc	2024-03-13 18:36:02 +00:00
powerpc64	lib{c,sys}: return wrapped syscall APIs to libc	2024-03-13 18:36:02 +00:00
powerpcspe	lib{c,sys}: fix powerpcspe build	2024-03-13 20:09:41 +00:00
riscv	libsys/riscv: Remove pointless MD syscall(2)	2024-03-07 00:58:44 +00:00
x86	Canonicalize the name of the FreeBSD Foundation	2024-10-24 05:03:07 +08:00
__error.c	lib{c,sys}: stop exposing errno symbol	2024-09-27 20:27:46 +01:00
__getosreldate.c	libc: move __getosreldate to libsys	2024-02-05 20:34:56 +00:00
__vdso_gettimeofday.c
_exit.2
_libsys.h	Regen	2025-05-31 22:52:42 +03:00
_umtx_op.2	Implement CLOCK_TAI	2025-06-12 12:25:31 -06:00
_umtx_op_err.c	libthr: move _umtx_op_err() to libsys	2024-02-05 20:34:56 +00:00
abort2.2
accept.2
access.2	faccessat(2): Honor AT_SYMLINK_NOFOLLOW	2024-08-11 17:49:06 +02:00
acct.2
adjtime.2
aio_cancel.2	Remove mentions of ENOSYS added in d97e44784b	2025-03-27 19:40:07 -07:00
aio_error.2	Remove mentions of ENOSYS added in d97e44784b	2025-03-27 19:40:07 -07:00
aio_fsync.2	Remove mentions of ENOSYS added in d97e44784b	2025-03-27 19:40:07 -07:00
aio_mlock.2	Remove mentions of ENOSYS added in d97e44784b	2025-03-27 19:40:07 -07:00
aio_read.2	Bump .Dd for recently changed aio_*(2) manpages	2025-03-27 19:43:26 -07:00
aio_return.2	Remove mentions of ENOSYS added in d97e44784b	2025-03-27 19:40:07 -07:00
aio_suspend.2	Remove mentions of ENOSYS added in d97e44784b	2025-03-27 19:40:07 -07:00
aio_waitcomplete.2	Bump .Dd for recently changed aio_*(2) manpages	2025-03-27 19:43:26 -07:00
aio_write.2	Bump .Dd for recently changed aio_*(2) manpages	2025-03-27 19:43:26 -07:00
auxv.3	libc: elf auxiliary vector handling to libsys	2024-02-05 20:34:56 +00:00
auxv.c	libsys auxv.c: add fences needed to ensure that flag works	2024-02-21 16:18:10 +02:00
bind.2
bindat.2
brk.2
cap_enter.2
cap_fcntls_limit.2
cap_ioctls_limit.2
cap_rights_limit.2	rights.4: various corrections on capability rights	2024-04-28 22:48:31 -06:00
chdir.2
chflags.2
chmod.2	unix: Add support for atomically setting the socket mode	2024-11-03 16:46:53 +00:00
chown.2
chroot.2	Add fchroot(2)	2024-11-29 12:10:02 +00:00
clock_gettime.2	clock_gettime: Better markup	2025-06-13 12:29:38 -06:00
clock_gettime.c
close.2	tcp: don't ever return ECONNRESET on close(2)	2024-12-23 10:35:49 -08:00
closefrom.2
connect.2
connectat.2
copy_file_range.2
cpuset.2
cpuset_getaffinity.2
cpuset_getdomain.2
creat.2	libsys: move __libsys_interposer consumers	2024-02-05 20:34:55 +00:00
dup.2
eventfd.2
execve.2	man filesystems: fix xrefs after move to section 4	2024-05-16 10:25:29 -06:00
extattr_get_file.2
fcntl.2
ffclock.2
fhlink.2	manuals: Fix errors in .2 pages	2024-09-20 11:37:02 -03:00
fhopen.2	fhopen.2: Update man page for O_NAMEDATTR flag	2025-04-09 17:50:36 -07:00
fhreadlink.2	fhreadlink.2: fix old typo in the manpage	2024-11-25 18:38:20 +00:00
flock.2
fork.2	fork: Document _Fork (and fork) as POSIX 2024	2024-11-15 23:05:40 -05:00
fspacectl.2
fsync.2	Canonicalize the name of the FreeBSD Foundation	2024-10-24 05:03:07 +08:00
getdirentries.2
getdtablesize.2
getfh.2	manuals: Fix errors in .2 pages	2024-09-20 11:37:02 -03:00
getfsstat.2
getgid.2
getgroups.2
getitimer.2
getlogin.2
getloginclass.2
getpagesize.3	libc: move getpagesize(s) to libsys	2024-02-05 20:34:56 +00:00
getpagesize.c	libc: move getpagesize(s) to libsys	2024-02-05 20:34:56 +00:00
getpagesizes.3	libc: move getpagesize(s) to libsys	2024-02-05 20:34:56 +00:00
getpagesizes.c	libc: move getpagesize(s) to libsys	2024-02-05 20:34:56 +00:00
getpeername.2
getpgrp.2
getpid.2
getpriority.2
getrandom.2
getrlimit.2	getrlimit(2): document RLIMIT_PIPEBUF	2024-09-20 09:46:06 +03:00
getrlimitusage.2	Canonicalize the name of the FreeBSD Foundation	2024-10-24 05:03:07 +08:00
getrusage.2
getsid.2
getsockname.2
getsockopt.2	Fix incorrect version introduced in manual pages	2025-05-04 22:44:43 -06:00
gettimeofday.2	gettimeofday.2: Do mention improbable future removal	2024-04-28 20:11:22 +02:00
gettimeofday.c
getuid.2
interposing_table.c	libsys: make __libsys_interposing static	2024-03-13 17:31:48 +00:00
intro.2	intro.2 as errno.2: Use the name macro for errno	2024-05-04 08:56:10 -06:00
ioctl.2
issetugid.2
jail.2
kcmp.2
kenv.2
kill.2
kldfind.2	linker: Make linker.h more self-contained	2024-10-26 14:05:56 +00:00
kldfirstmod.2	linker: Make linker.h more self-contained	2024-10-26 14:05:56 +00:00
kldload.2	linker: Make linker.h more self-contained	2024-10-26 14:05:56 +00:00
kldnext.2	linker: Make linker.h more self-contained	2024-10-26 14:05:56 +00:00
kldstat.2	linker: Make linker.h more self-contained	2024-10-26 14:05:56 +00:00
kldsym.2	linker: Make linker.h more self-contained	2024-10-26 14:05:56 +00:00
kldunload.2	linker: Make linker.h more self-contained	2024-10-26 14:05:56 +00:00
kqueue.2	kqueue.2: Editorial pass	2024-12-30 14:09:48 -05:00
ktrace.2
libc_stubs.c	lib{c,sys}: move auxargs more firmly into libsys	2024-02-19 22:44:08 +00:00
libsys.h	libsys: add a libsys.h	2024-04-16 17:48:07 +01:00
libsys_sigwait.c	libsys: don't expose sigwait wrapper	2024-03-13 17:04:07 +00:00
link.2
lio_listio.2	lio_listio(2): add LIO_FOFFSET flag to ignore aiocb aio_offset	2024-02-11 03:53:50 +02:00
listen.2
lockf.3	libsys: move some missed manpages	2024-02-08 19:50:32 +00:00
lseek.2
madvise.2
Makefile	lib{c,sys}: stop exposing errno symbol	2024-09-27 20:27:46 +01:00
Makefile.depend	Update Makefile.depend files	2024-10-14 10:26:17 -07:00
Makefile.sys	libsys: Don't create or expose __realpathat	2025-02-19 20:05:47 +00:00
membarrier.2	membarrier: man page improvements	2024-10-19 16:18:18 -04:00
mincore.2
minherit.2
mkdir.2
mkfifo.2
mknod.2
mlock.2
mlockall.2
mmap.2
modfind.2
modnext.2
modstat.2
mount.2
mprotect.2
mq_close.2
mq_getattr.2
mq_notify.2
mq_open.2	mqueuefs: Relax restriction that path must begin with a slash	2024-05-23 13:40:46 -06:00
mq_receive.2
mq_send.2
mq_setattr.2
mq_unlink.2	man filesystems: fix xrefs after move to section 4	2024-05-16 10:25:29 -06:00
msgctl.2
msgget.2
msgrcv.2
msgsnd.2
msync.2
munmap.2	munmap.2: Add STANDARDS and note about portability	2025-01-16 12:50:47 -05:00
nanosleep.2	Implement CLOCK_TAI	2025-06-12 12:25:31 -06:00
nfssvc.2
ntp_adjtime.2
open.2	open.2: Document the O_NAMEDATTR flag	2025-06-04 15:50:16 -07:00
pathconf.2	pathconf.2: Document the _PC_HAS_NAMEDATTR name	2025-05-04 15:23:42 -07:00
pdfork.2
pipe.2
poll.2	Tweak ppoll() to include 1003.1-2024 visibility, take two	2024-12-14 22:40:16 -06:00
posix_fadvise.2
posix_fallocate.2
posix_openpt.2
procctl.2	procctl.2: Fix names of PROC_LOGSIGEXIT_CTL constants	2025-04-21 16:01:53 -06:00
profil.2
pselect.2
ptrace.2	kern: send parent a SIGCHLD when the debugger has detached	2025-06-19 10:32:04 -05:00
ptrace.c
quotactl.2
rctl_add_rule.2
read.2	read(2): Add write cross reference	2024-03-01 20:36:39 -07:00
readlink.2	manpage: cross link fhreadlink(2) <-> readlink(2)	2024-11-25 09:02:34 +00:00
reboot.2
recv.2	recv.2: Improve style in RETURN VALUES	2025-02-24 12:33:38 -05:00
recvmmsg.c	include: ssp: fortify <sys/socket.h>	2024-07-13 00:16:26 -05:00
rename.2	rename(2): Extend EINVAL's description	2024-08-28 01:09:33 +03:00
revoke.2
rfork.2
rfork_thread.3	libc: move rfork_thread(3) to libsys	2024-02-05 20:34:56 +00:00
rmdir.2
rtprio.2
sched_get_priority_max.2
sched_getcpu.3	sched_getcpu: Add man page	2024-11-13 19:32:04 -05:00
sched_getcpu_gen.c	libc: libc/gen/sched_getcpu_gen.c -> libsys/	2024-02-05 20:34:55 +00:00
sched_setparam.2
sched_setscheduler.2
sched_yield.2
sctp_generic_recvmsg.2
sctp_generic_sendmsg.2
sctp_peeloff.2
select.2
semctl.2
semget.2
semop.2
send.2
sendfile.2	man filesystems: fix xrefs after move to section 4	2024-05-16 10:25:29 -06:00
sendmmsg.c	libsys: move __libsys_interposer consumers	2024-02-05 20:34:55 +00:00
setcred.2	Fix incorrect version introduced in manual pages	2025-05-04 22:44:43 -06:00
setfib.2	setfib.2: Note that the number of FIBs can be adjusted after boot	2025-01-21 15:39:50 +00:00
setgroups.2
setpgid.2
setregid.2
setresuid.2
setreuid.2
setsid.2
setuid.2
shm_open.2
shmat.2
shmctl.2
shmget.2
shutdown.2
sigaction.2
sigaltstack.2
sigfastblock.2	Canonicalize the name of the FreeBSD Foundation	2024-10-24 05:03:07 +08:00
sigpending.2
sigprocmask.2
sigqueue.2	sigqueue(2): Document __SIGQUEUE_TID	2024-04-23 19:51:10 +03:00
sigreturn.2
sigstack.2
sigsuspend.2
sigwait.2
sigwaitinfo.2
sleep.3	libsys: move some missed manpages	2024-02-08 19:50:32 +00:00
socket.2	manuals: Fix "unusual .Xr" warnings with a script	2024-10-15 17:18:14 -03:00
socketpair.2
stat.2
statfs.2	statfs.2: Update man page for the MNT_NAMEDATTR flag	2025-04-10 18:00:49 -07:00
swapon.2	manuals: Misc macro typos	2024-09-21 05:25:15 -06:00
Symbol.map	libsys: Don't create or expose __realpathat	2025-02-19 20:05:47 +00:00
Symbol.sys.map	libsys: export exterrctl symbol	2025-05-31 22:52:41 +03:00
Symbol.thr.map	libthr: move _umtx_op_err() to libsys	2024-02-05 20:34:56 +00:00
symlink.2	symlink.2: document EOPNOTSUPP	2025-04-15 00:03:19 +02:00
sync.2
sysarch.2
syscall.2
syscalls.map	Regen	2025-05-31 22:52:42 +03:00
thr_exit.2	Canonicalize the name of the FreeBSD Foundation	2024-10-24 05:03:07 +08:00
thr_kill.2	Canonicalize the name of the FreeBSD Foundation	2024-10-24 05:03:07 +08:00
thr_new.2	thr_new.2: document THR_C_RUNTIME	2025-05-31 17:55:24 +03:00
thr_self.2	Canonicalize the name of the FreeBSD Foundation	2024-10-24 05:03:07 +08:00
thr_set_name.2	Canonicalize the name of the FreeBSD Foundation	2024-10-24 05:03:07 +08:00
thr_suspend.2	Canonicalize the name of the FreeBSD Foundation	2024-10-24 05:03:07 +08:00
thr_wake.2	Canonicalize the name of the FreeBSD Foundation	2024-10-24 05:03:07 +08:00
timer_create.2	Implement CLOCK_TAI	2025-06-12 12:25:31 -06:00
timer_delete.2
timer_settime.2
timerfd.2	timerfd.2: Add documentation for CLOCK_UPTIME and CLOCK_BOOTTIME	2024-07-02 10:40:04 -06:00
truncate.2
umask.2
undelete.2
unlink.2
usleep.3	libsys: move some missed manpages	2024-02-08 19:50:32 +00:00
utimensat.2
utimes.2
utrace.2
uuidgen.2
vfork.2
wait.2	kern: send parent a SIGCHLD when the debugger has detached	2025-06-19 10:32:04 -05:00
write.2	write.2: sweep error code referencing disklabel(8)	2025-05-27 13:33:50 -08:00