| Commit message (Collapse) | Author | Age | Files | Lines |
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Force SIGSTOP to be the first signal reported after the attach.
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Add a mask of optional ptrace() events.
302900:
Add a test for user signal delivery.
This test verifies we get the correct ptrace event details when a signal
is posted to a traced process from userland.
302902:
Add a mask of optional ptrace() events.
ptrace() now stores a mask of optional events in p_ptevents. Currently
this mask is a single integer, but it can be expanded into an array of
integers in the future.
Two new ptrace requests can be used to manipulate the event mask:
PT_GET_EVENT_MASK fetches the current event mask and PT_SET_EVENT_MASK
sets the current event mask.
The current set of events include:
- PTRACE_EXEC: trace calls to execve().
- PTRACE_SCE: trace system call entries.
- PTRACE_SCX: trace syscam call exits.
- PTRACE_FORK: trace forks and auto-attach to new child processes.
- PTRACE_LWP: trace LWP events.
The S_PT_SCX and S_PT_SCE events in the procfs p_stops flags have
been replaced by PTRACE_SCE and PTRACE_SCX. PTRACE_FORK replaces
P_FOLLOW_FORK and PTRACE_LWP replaces P2_LWP_EVENTS.
The PT_FOLLOW_FORK and PT_LWP_EVENTS ptrace requests remain for
compatibility but now simply toggle corresponding flags in the
event mask.
While here, document that PT_SYSCALL, PT_TO_SCE, and PT_TO_SCX both
modify the event mask and continue the traced process.
302921:
Rename PTRACE_SYSCALL to LINUX_PTRACE_SYSCALL.
303461:
Note that not all optional ptrace events use SIGTRAP.
New child processes attached due to PTRACE_FORK use SIGSTOP instead of
SIGTRAP. All other ptrace events use SIGTRAP.
304009:
Remove description of P_FOLLOWFORK as this flag was removed.
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Fix CID 1011370 (Resource leak) in ps.
There is no need to to call strdup() on the value returned by fmt().
The latter calls fmt_argv() which always returns a dynamically
allocated string, and calling strdup() on that leaks the memory
allocated by fmt_argv(). Wave some const magic on ki_args and
ki_env to make the direct assignment happy. This requires a tweak
to the asprintf() case to avoid a const vs. non-const mismatch.
Reported by: Coverity
CID: 1011370
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Add facility to stop all userspace processes.
MFC r275753:
Fix gcc build.
MFC r275820:
Add missed break.
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Implement and use proc_realparent(9).
MFC r270024 (by markj):
Correct the order of arguments passed to LIST_INSERT_AFTER().
For merge, the p_treeflag member of struct proc was moved to the end
of the structure, to keep KBI intact.
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Add support for inspecting process flags set in p_flag2.
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Add -J to filter by matching jail IDs and names.
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Don't test arrays for being NULL.
Sponsored by: The FreeBSD Foundation
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ps(1) utility, e.g. "ps -O fib".
bin/ps/keyword.c:
Add the "fib" keyword and default its column name to "FIB".
bin/ps/ps.1:
Add "fib" as a supported keyword.
sys/compat/freebsd32/freebsd32.h:
sys/kern/kern_proc.c:
sys/sys/user.h:
Add the default fib number for a process (p->p_fibnum)
to the user land accessible process data of struct kinfo_proc.
Submitted by: Oliver Fromme <olli@fromme.com>, gibbs
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Obtained from: OpenBSD
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MFC after: 2 weeks
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- Update shadow copy of fmt_argv() prototype in w.c and fix calls for
additional parameter.
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command name of a thread from a multi-threaded process that doesn't have
an available argument list (such as kernel processes) and threads display
is enabled via -H.
Reviewed by: alfred, delphij, eric@vangyzen.net
MFC after: 1 week
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define.
Reviewed by: jhb
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Submitted by: pluknet
Approved by: kib (mentor)
X-MFC-With: r240645
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Approved by: kib (mentor)
MFC after: 1 week
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PR: bin/171174
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Spotted by: scan-build (uqs)
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Submitted by: Andrey Zonov <andrey zonov org>
MFC after: 1 week
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this syntax violation and while I'm here also convert <TAB> to Ta and adjust
quotation marks in order to prevent this problem in the future.
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MFC after: 3 days
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Simply annotate the function parameters with __unused, instead of adding
the ve-variables. This makes the code build with GCC 4.7 and -Werror.
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Spotted by: arundel
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MFC after: 2 weeks
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instead of "?".
Submitted by: arundel
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Submitted by: Valentin Nechayev (netch % netch!kiev!ua), arundel
MFC after: 1 week
With-MFC: 225908
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- there's no reason the semantics of the -x flag are being explained in
the -a flag description
- be more precise regarding the relation between the -a flag and the
security.bsd.see_other_uids sysctl
- describe the format of the -t flag's argument
- 'con' no longer is a possible entry in the 'TT' column
- explain that the 'TT' column refers to pseudo-terminals via mere numbers
- add a hint in the 'tt' keyword description that a keyword 'tty' exists,
which will give the full terminal pathname
Submitted by: arundel (via docs@) (original)
MFC after: 1 week
With-MFC: 225908
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Submitted by: arundel (via docs@)
MFC after: 1 week
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As of FreeBSD 6, devices can only be opened through devfs. These device
nodes don't have major and minor numbers anymore. The st_rdev field in
struct stat is simply based a copy of st_ino.
Simply display device numbers as hexadecimal, using "%#jx". This is
allowed by POSIX, since it explicitly states things like the following
(example taken from ls(1)):
"If the file is a character special or block special file, the
size of the file may be replaced with implementation-defined
information associated with the device in question."
This makes the output of these commands more compact. For example, ls(1)
now uses approximately four columns less. While there, simplify the
column length calculation from ls(1) by calling snprintf() with a NULL
buffer.
Don't be afraid; if needed one can still obtain individual major/minor
numbers using stat(1).
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Provide backward compatibility defines under BURN_BRIDGES.
Suggested by: jhb
Reviewed by: emaste
Sponsored by: Sandvine Incorporated
Approved by: re (kib)
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and effective group name. Also, add "egid", "egroup" and "euid" aliases.
PR: bin/146331
Submitted by: Jeremie Le Hen <jeremie at le-hen dot org>
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Found by: codespell
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MFC after: 1 week
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pointer just like a dublicating "uprocp".
MFC after: 1 week
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Suggested by: arundel@
Reviewed by: arundel@
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This fixes the ugly overflow in "ps aux" output for "[idle]".
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corresponding times reported by getrusage().
Submitted by: Dan Nelson <dnelson allantgroup com>
MFC after: 1 week
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it using "ps -o class".
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MFC after: 2 weeks
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Update the outdated comments describing MAXSLP and the process
selection algorithm for swap out.
Comments wording and reviewed by: alc
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process address.
Add "tdaddr" keyword to ps(1) to display this thread address.
Distilled from Sandvine's patch set by Mark Johnston.
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MFC after: 1 month
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