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so throw them in the "requests" category so they show up in status.html.
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Also add trivial tests.
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exist, which can hit ps when /proc isn't there or /proc/$PID/task isn't
there (because process exited between the time we checked its contents
and the time we looked for its threads).
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and make uptime use it.
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(Recent "show + for last char when truncated" change broke that, putting it
back.)
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Recent-ish clang doesn't like self-assignment. Google/Android code always
uses the [template-based moral equivalent of] __attribute__((__unused__))
to keep both compilers happy.
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to unify the two codepaths in Elliott's rewrite.
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I never use these, so I didn't notice I'd broken them until someone who
does bringup complained.
The "one weird trick" with SEEK_DATA is documented at the URL we already
point to. SEEK_DATA was added in Linux 3.1 (2011) and isn't available in
glibc 2.19 (2014), so I've added that to "portability.h" for the benefit
of Ubuntu 14.04.
Also make -c and -C mutually exclusive.
Also fix some of the formatting I introduced earlier. (A clang-format file
would help prevent these mistakes...)
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If we can read and write bzip2 files, we should be able to identify them
too...
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to be left justified again.
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when we can't query terminal size pad to 80 but add -w.
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(Broken out of a larger patch, fixed the other part a different way.)
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Once upon a time you could call fchown() and let it fail. Then gcc decided
not using its return code was inconcievable, but you could typecast it to (void)
to shut it up. Then gcc noticed people doing that and clutched its pearls and
took it away, so I added an if() statement that does nothing with the result
because we _expect_ this to fail when we're not root. Then clang started
complaining about an if (); statement with the semicolon on the same line,
but decided it's ok if the ; is on the next line (I.E. significant whitespace
in C), so I'm adding an "assignemnt to self" that gets optimized away so
it does a more _explicit_ nothing (the same way you suppress gcc's broken
"this isn't used uninitialized" warnings).
If the compilers weren't going to so much trouble to force the issue I might
add code to only call fchown when we're UID 0, but I refuse to be coerced
into it. (And if getpid() is still a system call instead of a vdso member
then it doesn't actually _save_ us anything, the dentry should be hot and
the permission check was just "if (!uid)" before selinux entered into it and
we're operating on an fd so the security's the same.)
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(It was defaulting to 99999 but not FLAG_w, so it tried to _pad_ to 99999.)
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an array index, which doesn't work as a local variable name. So rename it.
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__attribute__((returns_twice)) instead of noinline.
Yes LLVM supports it: https://llvm.org/bugs/show_bug.cgi?id=6287
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(left-justified) fields.
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subtract one _less_ than /dev prefix length or string isn't terminated.
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An ELF file with no program headers is valid, and binutils leaves e_phentsize
zero in that case. Fix the corruption check to cope.
Also, since notes are in both the program and section headers (and I'm not
aware of the possibility of having no sections but still having notes ---
where would they be?), look for them in the section headers instead.
Also extend the parsing of the .android.note.ident ELF note to include the
NDK version information if present. (This won't be present for platform
binaries, but will be present for NDK-built binaries such as app libraries.)
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from incrementing by a double.
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just for terminal width.
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comment (I.E. negative first value _left_ justifies). This makes ps display
the same truncated values with and without a tty.
Also add a few comments to the rest of the file.
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The finit_module() system call, introduced in Linux 3.8, reads the
module from a supplied file descriptor. This allows the kernel to do
security checks based on the file's location.
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While most systems have their kernel modules, modules.dep etc located at
/lib/modules/`uname -r` this is not always the case.
The -d option may be used to specify a nonstandard path for these files.
It may be used more than once to specify multiple directories where
these files may be found.
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I knew that just showing the process name was a divergence from
traditional Android behavior, but I was curious to see whether anyone
cared. Bug reports show that they do. I've not made this conditional on
CFG_TOYBOX_ON_ANDROID on the assumption that this is more useful for
everyone else too. (Why are you asking for per-thread information if
you don't actually want to be able to identify individual threads?)
Why not _just_ show the thread name? Because on Android at least, every
process has lots of identically-named threads; everyone has GC threads,
everyone has JIT threads, and so knowing _just_ the thread name is
rarely useful.
Why show thread name first? Because the kernel limits thread names to 15
bytes plus a NUL, so any left-over space should go to the process name,
so that should come last.
Why call the thread name THREAD? Because "CMD" isn't obviously "thread
name" to folks who don't know how this is implemented behind the scenes.
This change also removes an incorrect "usage:" comment. None of the
other commands in this file duplicated their "usage:" lines, and this
copy wasn't even close to being correct.
Bug: http://b/34610082
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our comparison in years, and email with the maintainer convinced me it's
not a good yardstick for "what a traditional linux system expects to have".)
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