build: fix cygwin install

Use the right file path and variable name for the posix.h header file.

Introduced when commit ce41af28 ("cygwin: include uv-posix.h header")
was merged

build: fix cygwin install

Use the right file path and variable name for the posix.h header file.

Introduced when commit ce41af28 ("cygwin: include uv-posix.h header")
was merged from the v1.x branch, where it is the correct path, into
the master branch.

This is a cherry-pick of commit d0c2ad39 from the master branch.

PR-URL: https://github.com/libuv/libuv/pull/1850
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

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win: move stdint-msvc2008.h to include/uv/

Move it so that include/ contains uv.h and nothing more.

PR-URL: https://github.com/libuv/libuv/pull/1850
Reviewed-By: Colin Ihrig <cj

win: move stdint-msvc2008.h to include/uv/

Move it so that include/ contains uv.h and nothing more.

PR-URL: https://github.com/libuv/libuv/pull/1850
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

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core: move all include files except uv.h to uv/

This is a cherry-pick of commit d010030ad5 from the master branch.

Conflicts:
Makefile.am
include/uv.h

core: move all include files except uv.h to uv/

This is a cherry-pick of commit d010030ad5 from the master branch.

Conflicts:
Makefile.am
include/uv.h
include/uv/unix.h
libuv.nsi (deleted)
src/unix/pthread-barrier.c (deleted)

PR-URL: https://github.com/libuv/libuv/pull/1850
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

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test: speedup process-title-threadsafe on macOS

This test has been timing out on macOS. Try to avoid that by
reducing the number of iterations run.

PR-URL: https://github.com/li

test: speedup process-title-threadsafe on macOS

This test has been timing out on macOS. Try to avoid that by
reducing the number of iterations run.

PR-URL: https://github.com/libuv/libuv/pull/1867
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
Reviewed-By: Bert Belder <bertbelder@gmail.com>

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win: remove the remaining dynamic kernel32 imports

They were only there to aid Windows XP support, which libuv no longer
does.

PR-URL: https://github.com/libuv/libuv/pull/1858

win: remove the remaining dynamic kernel32 imports

They were only there to aid Windows XP support, which libuv no longer
does.

PR-URL: https://github.com/libuv/libuv/pull/1858
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>

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win,code: remove GetQueuedCompletionStatus-based poller

All Windows versions that libuv supports have GetQueuedCompletionStatusEx,
so this fallback option is no longer needed.

P

win,code: remove GetQueuedCompletionStatus-based poller

All Windows versions that libuv supports have GetQueuedCompletionStatusEx,
so this fallback option is no longer needed.

PR-URL: https://github.com/libuv/libuv/pull/1858
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>

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win,pipe: remove unreferenced local variable

PR-URL: https://github.com/libuv/libuv/pull/1858
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Bartosz Sosnowski <bartosz@jan

win,pipe: remove unreferenced local variable

PR-URL: https://github.com/libuv/libuv/pull/1858
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>

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unix: return UV_ENOTSUP on FICLONE_FORCE failure

Instead of returning whatever error is provided by the
underlying platform, use UV_ENOTSUP.

Fixes: https://github.com/libuv/libu

unix: return UV_ENOTSUP on FICLONE_FORCE failure

Instead of returning whatever error is provided by the
underlying platform, use UV_ENOTSUP.

Fixes: https://github.com/libuv/libuv/issues/1862
PR-URL: https://github.com/libuv/libuv/pull/1863
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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win: allow setting udp socket options before bind

Unix allows socket options to be set prior to binding. This
commit aligns Windows with this behavior.

Refs: https://github.com/

win: allow setting udp socket options before bind

Unix allows socket options to be set prior to binding. This
commit aligns Windows with this behavior.

Refs: https://github.com/joyent/libuv/issues/1205
Refs: https://github.com/joyent/libuv/pull/1270
Fixes: https://github.com/libuv/libuv/issues/1842
PR-URL: https://github.com/libuv/libuv/pull/1861
Reviewed-By: Bert Belder <bertbelder@gmail.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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unix: close signal pipe fds on unload

Add a destructor function that closes the file descriptors when libuv.so
is unloaded.

Fixes: https://github.com/libuv/help/issues/52
PR

unix: close signal pipe fds on unload

Add a destructor function that closes the file descriptors when libuv.so
is unloaded.

Fixes: https://github.com/libuv/help/issues/52
PR-URL: https://github.com/libuv/libuv/pull/1857
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

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src,test: s/olny/only

PR-URL: https://github.com/libuv/libuv/pull/1848
Reviewed-By: Bert Belder <bertbelder@gmail.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

win,thread: remove fallback uv_cond implementation

The fallback implementation existed to support Windows XP and Server 2003,
but these old versions of windows are no longer supporter by

win,thread: remove fallback uv_cond implementation

The fallback implementation existed to support Windows XP and Server 2003,
but these old versions of windows are no longer supporter by libuv.

PR-URL: https://github.com/libuv/libuv/pull/1852
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

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Revert "win: add Windows XP support to uv_if_indextoname()"

Libuv is not supported on Windows XP, as stated in the
SUPPORTED_PLATFORMS document. It also can't possibly work because
`

Revert "win: add Windows XP support to uv_if_indextoname()"

Libuv is not supported on Windows XP, as stated in the
SUPPORTED_PLATFORMS document. It also can't possibly work because
`ReOpenFile()` in src/win/fs.c is not weakly linked, so any executable
that links libuv would simply fail to load on XP.

This reverts commit 17eaa956bde35daad99b36b820daf8e8227add74.

Refs: https://github.com/libuv/libuv/pull/1810
PR-URL: https://github.com/libuv/libuv/pull/1854
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

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test: use custom timeout for getaddrinfo_fail_sync

We don't control the running time of the test and as a result it
frequently times out on some of the CI buildbots.

We are alre

test: use custom timeout for getaddrinfo_fail_sync

We don't control the running time of the test and as a result it
frequently times out on some of the CI buildbots.

We are already using a custom timeout for getaddrinfo_fail so it only
makes sense to do the same for its synchronous counterpart.

PR-URL: https://github.com/libuv/libuv/pull/1856
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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unix: catch some cases of watching fd twice

Libuv does not support multiple handles watching the same file
descriptor. That condition is caught by an assert but it's detached
from t

unix: catch some cases of watching fd twice

Libuv does not support multiple handles watching the same file
descriptor. That condition is caught by an assert but it's detached
from the call site and therefore not always trivial to track down.

This commit turns cases where we can easily detect duplicates into
runtime `UV_EEXIST` errors. More work is needed to catch _all_ cases.

Partially addresses https://github.com/libuv/libuv/issues/1172.

PR-URL: https://github.com/libuv/libuv/pull/1851
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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win,pipe: fix IPC pipe deadlock

This fixes a bug where IPC pipe communication would deadlock when both
ends of the pipe are written to simultaneously, and the kernel pipe
buffer has

win,pipe: fix IPC pipe deadlock

This fixes a bug where IPC pipe communication would deadlock when both
ends of the pipe are written to simultaneously, and the kernel pipe
buffer has already been filled up by earlier writes.

The root cause of the deadlock is that, while writes to an IPC pipe are
generally asynchronous, the IPC frame header is written synchronously.
So when both ends of the pipe are sending a frame header at the same
time, neither will read data off the pipe, causing both header writes
to block indefinitely.

Additionally, this patch somewhat reduces the spaghetti level in
win/pipe.c.

Fixes: https://github.com/libuv/libuv/issues/1099
Refs: https://github.com/nodejs/node/issues/7657
Refs: https://github.com/electron/electron/issues/10107
Refs: https://github.com/parcel-bundler/parcel/issues/637
Refs: https://github.com/parcel-bundler/parcel/issues/900
Refs: https://github.com/parcel-bundler/parcel/issues/1137
PR-URL: https://github.com/libuv/libuv/pull/1843
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>

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test: add test for IPC deadlock on Windows (#1099)

PR-URL: https://github.com/libuv/libuv/pull/1843
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Bartosz Sosnowski <b

test: add test for IPC deadlock on Windows (#1099)

PR-URL: https://github.com/libuv/libuv/pull/1843
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>

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test: improve output from IPC test helpers

PR-URL: https://github.com/libuv/libuv/pull/1843
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Bartosz Sosnowski <bartosz@j

test: improve output from IPC test helpers

PR-URL: https://github.com/libuv/libuv/pull/1843
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>

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win,pipe: refactor pipe read cancellation logic

* Don't silently ignore ERROR_OPERATION_ABORTED.

Code to silently ignore this error was added in c42a4ca, under the
false pre

win,pipe: refactor pipe read cancellation logic

* Don't silently ignore ERROR_OPERATION_ABORTED.

Code to silently ignore this error was added in c42a4ca, under the
false premise that this error is somehow equivalent to EINTR on posix
platforms. This isn't true; ERROR_OPERATION_ABORTED doesn't happen
unless the application explicitly aborts an I/O operation.

Silently ignoring this error elsewhere could potentially hide bugs,
hence libuv shouldn't do it. Instead, explicitly deal with it where
it is expected.

* Don't mark aborted reads as successful.

The worker thread used to call ReadFile() on synchronous pipes would
incorrectly mark cancelled read requests as successful, leading to
issues later on.

* Rely on main thread to restart aborted reads.

After a blocking ReadFile() call was cancelled, the worker thread
would previously attempt to restart it immediately, making
synchronization logic needlessly complex. Instead, we simply cancel
the operation, and leave it to the main loop to restart it if so
desired.

Since we now realy on the main thread to restart interrupted
ReadFile() calls, we can now have a single function interrupts a
synchronous read until the event loop restarts it again.

* Clean up uv__pipe_read_stop().

A single function to interrupt blocking reads also allows us to
remove weird logic in uv__pipe_read_stop() that quickly pauses and
unpauses a read operation in the hope of cancelling it.

* Assume CancelIo() and CancelSynchronousIo() are always available.

Since libuv doesn't support windows XP and Server 2003 any more, we
can assume that these APIs are always available, and do away with
branching around them.

PR-URL: https://github.com/libuv/libuv/pull/1843
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>

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win,pipe: support vectored uv_write() calls

Fixes: https://github.com/libuv/libuv/issues/794
PR-URL: https://github.com/libuv/libuv/pull/1843
Reviewed-By: Anna Henningsen <anna@addal

win,pipe: support vectored uv_write() calls

Fixes: https://github.com/libuv/libuv/issues/794
PR-URL: https://github.com/libuv/libuv/pull/1843
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>

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test: add vectored uv_write() ping-pong tests

PR-URL: https://github.com/libuv/libuv/pull/1843
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Bartosz Sosnowski <bartos

test: add vectored uv_write() ping-pong tests

PR-URL: https://github.com/libuv/libuv/pull/1843
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>

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win,pipe: properly set uv_write_t.send_handle in uv_write2()

PR-URL: https://github.com/libuv/libuv/pull/1843
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Bartosz So

win,pipe: properly set uv_write_t.send_handle in uv_write2()

PR-URL: https://github.com/libuv/libuv/pull/1843
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>

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win,pipe: fix incorrect error code returned from uv_pipe_write_impl()

PR-URL: https://github.com/libuv/libuv/pull/1843
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: B

win,pipe: fix incorrect error code returned from uv_pipe_write_impl()

PR-URL: https://github.com/libuv/libuv/pull/1843
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>

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test: fs_fchmod_archive_readonly must return a value

PR-URL: https://github.com/libuv/libuv/pull/1843
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Bartosz Sosnowski

test: fs_fchmod_archive_readonly must return a value

PR-URL: https://github.com/libuv/libuv/pull/1843
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>

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src,test: fix idiosyncratic comment style

Back in the day I wrote comments in a really unusual way. Nowadays it
makes my eyes bleed, and clang-format doesn't know how to deal with it.

src,test: fix idiosyncratic comment style

Back in the day I wrote comments in a really unusual way. Nowadays it
makes my eyes bleed, and clang-format doesn't know how to deal with it.

PR-URL: https://github.com/libuv/libuv/pull/1853
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gireesh Punathil <gpunathi@in.ibm.com>

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