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(Based on someone else's patch.)
Implementing -F with inotify is a lot more work (including more
portability shims for macOS), so this is a simpler polling
implementation.
Also fix my earlier mistake where xnotify_add() wasn't actually an 'x'
function that exits on failure.
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(I hit 0 paired with EAGAIN causing premature pipeline end many years
ago when a pipeline was Ctrl-Z then fg, may not still be possible with
modern kernels but I left that covered just in case.)
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I suspect the rest of the non-POSIX signals might end up like this, but this is the subset that needs to be #ifdef'ed to fix the macOS build.
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Do not therefore assume it being available linuxwide
Fixes
| lib/portability.c:433:3: error: use of undeclared identifier 'SIGSTKFLT'
| SIGNIFY(STKFLT), SIGNIFY(POLL), SIGNIFY(PWR),
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Signed-off-by: Khem Raj <raj.khem@gmail.com>
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refactoring while I was looking at the codepath.
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We were incorrectly passing a pointer to a pointer of an
unsigned long long, when we just wanted to pass a pointer
to the unsigned long long. This is especially bad on 32-bit
systems, where we're then writing a 64-bits into a 32-bit value
within ioctl.
We fix this to pass a pointer to the unsigned long long.
Test: On 32-bit device, no longer see native crash from toybox
Bug: http://b/151311535
Signed-off-by: Elliott Hughes <enh@google.com>
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The recent re-enablement of the BLKGETSIZE64 code broke the Mac
build. Use the equivalent <sys/disk.h> ioctl() pair instead.
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(Also show unknown values on Linux in hex rather than just "unknown".)
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Major/minor device encoding is not portable. No two BSDs agree with
each other, and Darwin is different again.
Everyone does agree on having major()/minor()/makedev() macros, but
they disagree whether they should be in <sys/types.h> (the BSDs
including Darwin, and old versions of glibc) or <sys/sysmacros.h>
(glibc >= 2.26 and bionic).
This fixes `ls -l /dev/zero` and `stat /dev/zero` on Mac.
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macOS doesn't have real-time signals, and it has a slightly different
set of non-portable signals from Linux.
With this, the toybox `kill -l` output matches the default macOS kill(1).
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This patch adds a BSD version of xgetmountlist (for the path ==
NULL case only), tested on macOS. It also papers over the differences
between macOS' and Linux's xattr APIs. For once I think the macOS
one is better. The imitation of mknodat I've had to write swings
things back in Linux's favor though.
BSD calls f_frsize by the name f_iosize instead. (FWIW, it looks
like this is meaningless on Linux and actually meaningful on macOS.)
I've added one #if to toys/ --- I'm calling pathconf in stat.c to
work around the absence of f_namelen, and have left a TODO with an
explanation. I'm not sure what the best fix is here, so punting.
No-one can agree what f_fsid is, even if they're all basically the
same, so work around the `val` versus `__val` issue between macOS
and Linux.
With this patch, it's now possible to build cp/mv/install and stat
for macOS too. (Which completes the set of "toybox commands currently
used on Linux as part of the AOSP build" if you ignore stuff that
deals with processes, which I doubt we'll ever be able to support
for lack of any API.)
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Trivial breakage from the recent refactoring.
Also add tail to the default config for macOS.
I'm still unconvinced that CONFIG_TAIL_SEEK makes sense in a world
where inotify support is always built in, but that's an argument
for another day...
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into a structure passed as arguments, add x prefix to functions that can fail,
add overflow test.
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I think this was the preferred option for this code that turns out
to be very different on Linux vs BSD. I don't yet have a BSD
implementation, and I'm not likely to have chance to work on one
in the near future, so this just #ifdefs it out for macOS right
now.
With this (and a suitably minimal .config), toybox builds for macOS
out of the box.
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These were added in macOS 10.7 in 2011-07, so the seven year rule applies...
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runtime for ENOSYS.
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terminates parsing of Config.in at first blank line. This is because
getdelim() in portability.c returns -1 whenever the line comprises only
a single linefeed character. Fixing this was a trivial change to two lines
(see below), and config2help now works on OS X but I haven't regression
tested this on any other commands which rely on getdelim()"
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a static inline in portability.h, and prototype dirname() while we're at it.
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random other symbol name (because gnu) and this screws up nontrivial macro expansions of NEWTOY(basename), so work around it in portability.h.
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xfork() to portability.h and #ifdef based on __uClinux__ (which seems to be the nommu compiler define).
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Android is missing all of these; we need to probe for some so we have
a config symbol to depend on.
sethostname() is easily replaced.
We got termios.h via pty.h; now it's not included in configure-step tools,
so we need termios.h to generate globals.
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right in years (ubuntu broke its' vim implementation). Remove trailing spaces. Add/remove blank lines. Re-wordwrap in places. Update documentation with new coding style.
The actual code should be the same afterward, this is just cosmetic refactoring.
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