cygwin: implement support for cygwin and msys2

Cygwin and MSYS2 are POSIX layers implemented on top of Windows.
Use our POSIX `poll(2)` implementation of our poll abstraction.
For mo

cygwin: implement support for cygwin and msys2

Cygwin and MSYS2 are POSIX layers implemented on top of Windows.
Use our POSIX `poll(2)` implementation of our poll abstraction.
For most other components we already have dedicated sources
implementing them in terms of APIs available on Cygwin or
providing non-implementations of components not supported.

This leaves only three components that need Cygwin-specific
implementations:

* uv_uptime: implement using sysinfo
* uv_resident_set_memory: add a placeholder returning UV_ENOSYS
* uv_cpu_info: add a placeholder returning UV_ENOSYS

Update our test suite to account for features not available
due to Cygwin platform limitations or our placeholders.

PR-URL: https://github.com/libuv/libuv/pull/1312
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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unix: add a uv__io_poll impl using POSIX poll(2)

POSIX defines `poll()` as a portable way to wait on file descriptors.
Use it to provide an implementation of our poll abstraction for use

unix: add a uv__io_poll impl using POSIX poll(2)

POSIX defines `poll()` as a portable way to wait on file descriptors.
Use it to provide an implementation of our poll abstraction for use
on platforms that do not provide a more specialized polling method.

PR-URL: https://github.com/libuv/libuv/pull/1312
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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unix: factor out reusable procfs exepath impl

On Linux we read `/proc/self/exe` for the path to the executable.
Factor out a dedicated source file to make this implementation
availab

unix: factor out reusable procfs exepath impl

On Linux we read `/proc/self/exe` for the path to the executable.
Factor out a dedicated source file to make this implementation
available for use on other platforms that support it.

PR-URL: https://github.com/libuv/libuv/pull/1312
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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unix: factor out reusable sysinfo loadavg impl

On Linux we use `sysinfo(2)` to look up the load average.
Factor out a dedicated source file to make this implementation
available for

unix: factor out reusable sysinfo loadavg impl

On Linux we use `sysinfo(2)` to look up the load average.
Factor out a dedicated source file to make this implementation
available for use on other platforms that support it.

PR-URL: https://github.com/libuv/libuv/pull/1312
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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unix: factor out reusable sysinfo memory lookup

On Linux we use `sysinfo(2)` to look up available memory.
Factor out a dedicated source file to make this implementation
available for

unix: factor out reusable sysinfo memory lookup

On Linux we use `sysinfo(2)` to look up available memory.
Factor out a dedicated source file to make this implementation
available for use on other platforms that support it.

PR-URL: https://github.com/libuv/libuv/pull/1312
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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unix: factor out reusable no-fsevents impl

On os390 we implement no support for fsevents. Other platforms may not
support fsevents either, so provide a dedicated source file to use in

unix: factor out reusable no-fsevents impl

On os390 we implement no support for fsevents. Other platforms may not
support fsevents either, so provide a dedicated source file to use in
this case.

PR-URL: https://github.com/libuv/libuv/pull/1312
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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test: skip fork fsevent cases when lacking support

On platforms not supporting fsevents do not run the fork
fsevent tests.

PR-URL: https://github.com/libuv/libuv/pull/1312
R

test: skip fork fsevent cases when lacking support

On platforms not supporting fsevents do not run the fork
fsevent tests.

PR-URL: https://github.com/libuv/libuv/pull/1312
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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test: factor out fsevents skip explanation

Factor out a dedicated test macro for use on platforms that
do not support fsevents instead of duplicating the os390
platform condition and

test: factor out fsevents skip explanation

Factor out a dedicated test macro for use on platforms that
do not support fsevents instead of duplicating the os390
platform condition and explanation text.

PR-URL: https://github.com/libuv/libuv/pull/1312
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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unix: factor out reusable no-proctitle impl

On SunOS we implement no support for proctitle. Other platforms may not
support proctitle either, so provide a dedicated source file to use i

unix: factor out reusable no-proctitle impl

On SunOS we implement no support for proctitle. Other platforms may not
support proctitle either, so provide a dedicated source file to use in
this case.

PR-URL: https://github.com/libuv/libuv/pull/1312
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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test: fix -Wstrict-prototypes compiler warnings

PR-URL: https://github.com/libuv/libuv/pull/1354
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@

test: fix -Wstrict-prototypes compiler warnings

PR-URL: https://github.com/libuv/libuv/pull/1354
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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zos: do not inline OOB data by default

It was previously assumed that OOB data had to be
inlined but that is incorrect.

PR-URL: https://github.com/libuv/libuv/pull/1347
Revi

zos: do not inline OOB data by default

It was previously assumed that OOB data had to be
inlined but that is incorrect.

PR-URL: https://github.com/libuv/libuv/pull/1347
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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zos: increase timeout for tcp_writealot

A small timeout resulted in flaky behaviour on the z/OS test
machine.

PR-URL: https://github.com/libuv/libuv/pull/1353
Reviewed-By: B

zos: increase timeout for tcp_writealot

A small timeout resulted in flaky behaviour on the z/OS test
machine.

PR-URL: https://github.com/libuv/libuv/pull/1353
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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unix,win: add uv_os_gethostname()

Fixes: https://github.com/libuv/libuv/issues/1315
PR-URL: https://github.com/libuv/libuv/pull/1342
Reviewed-By: Santiago Gimeno <santiago.gimeno@gma

unix,win: add uv_os_gethostname()

Fixes: https://github.com/libuv/libuv/issues/1315
PR-URL: https://github.com/libuv/libuv/pull/1342
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>

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test: fix flaky tcp-write-queue-order

Delay the timer start to be sure all handles are created when `timer_cb`
is executed. In some cases this was not the case causing the following

test: fix flaky tcp-write-queue-order

Delay the timer start to be sure all handles are created when `timer_cb`
is executed. In some cases this was not the case causing the following
error:

```
not ok 51 - tcp_write_queue_order
exit code 134
Output from process `tcp_write_queue_order`:
lt-run-tests: src/unix/core.c:166: uv_close: Assertion `0' failed.
```

PR-URL: https://github.com/libuv/libuv/pull/1338
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Andrius Bentkus <andrius.bentkus@gmail.com>

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build,openbsd: remove kvm-related code

Remove the kvm.h include since 38323c9fb replaced the use of kvm_open()
with sysctl(),

Conditionally check for kvm_open() on non-OpenBSD p

build,openbsd: remove kvm-related code

Remove the kvm.h include since 38323c9fb replaced the use of kvm_open()
with sysctl(),

Conditionally check for kvm_open() on non-OpenBSD platforms so LIBS (and
libuv.pc) does not unnecessarily contain "-lkvm".

Fixes: https://github.com/libuv/libuv/issues/1340
PR-URL: https://github.com/libuv/libuv/pull/1344
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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unix: remove FSEventStreamFlushSync() call

This call, in the context of file watching, appears to trigger
assertion warnings on some macOS configurations.

Refs: https://github.c

unix: remove FSEventStreamFlushSync() call

This call, in the context of file watching, appears to trigger
assertion warnings on some macOS configurations.

Refs: https://github.com/nodejs/node/issues/854
Fixes: https://github.com/libuv/libuv/issues/1334
PR-URL: https://github.com/libuv/libuv/pull/1349
Reviewed-By: Fedor Indutny <fedor.indutny@gmail.com>
Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>

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unix: do not close udp sockets on bind error

This makes Unix behave in the same way as Windows.

Fixes: https://github.com/libuv/libuv/issues/1336
PR-URL: https://github.com/libu

unix: do not close udp sockets on bind error

This makes Unix behave in the same way as Windows.

Fixes: https://github.com/libuv/libuv/issues/1336
PR-URL: https://github.com/libuv/libuv/pull/1337
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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zos: implement uv__io_fork, skip fs event tests

Basic implementation of uv__io_fork on z/OS.
As of now, since filesystem events are not supported,
skip all of those tests on z/OS.

zos: implement uv__io_fork, skip fs event tests

Basic implementation of uv__io_fork on z/OS.
As of now, since filesystem events are not supported,
skip all of those tests on z/OS.

PR-URL: https://github.com/libuv/libuv/pull/1303
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

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build: add -Wstrict-prototypes

Fixes: https://github.com/libuv/libuv/pull/1320
PR-URL: https://github.com/libuv/libuv/pull/1326
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Revie

build: add -Wstrict-prototypes

Fixes: https://github.com/libuv/libuv/pull/1320
PR-URL: https://github.com/libuv/libuv/pull/1326
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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test: fix VC++ compilation warning

This commit fixes the following warning:
warning C4047: char *' differs in levels of indirection from 'char
(*)[1]'

PR-URL: https://github

test: fix VC++ compilation warning

This commit fixes the following warning:
warning C4047: char *' differs in levels of indirection from 'char
(*)[1]'

PR-URL: https://github.com/libuv/libuv/pull/1290
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

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win: remove __declspec(inline) from atomic op

__declspec(inline) is completely undocumented, as well
as unnecessary. The INLINE preprocessor macro is used
throughout libuv, so this

win: remove __declspec(inline) from atomic op

__declspec(inline) is completely undocumented, as well
as unnecessary. The INLINE preprocessor macro is used
throughout libuv, so this simply replaces the only instance
of declspec(inline) with the macro version.

PR-URL: https://github.com/libuv/libuv/pull/1307
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

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win,test: support stdout output larger than 1kb

Fix a bug in process_copy_output that would cause output larger
than 1kb to be incorrectly split into lines.

PR-URL: https://gith

win,test: support stdout output larger than 1kb

Fix a bug in process_copy_output that would cause output larger
than 1kb to be incorrectly split into lines.

PR-URL: https://github.com/libuv/libuv/pull/1325
Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

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win: avoid leaking pipe handles to child processes

Refs: https://github.com/joyent/libuv/issues/1313
PR-URL: https://github.com/libuv/libuv/pull/1321
Reviewed-By: Colin Ihrig <cjihri

win: avoid leaking pipe handles to child processes

Refs: https://github.com/joyent/libuv/issues/1313
PR-URL: https://github.com/libuv/libuv/pull/1321
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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doc: update supported linux/glibc baseline

Now that RHEL/CentOS 5 is end-of-life, update the baseline from
linux >= 2.6.18 + glibc >= 2.5 to linux >= 2.6.32 + glibc >= 2.12.

PR-

doc: update supported linux/glibc baseline

Now that RHEL/CentOS 5 is end-of-life, update the baseline from
linux >= 2.6.18 + glibc >= 2.5 to linux >= 2.6.32 + glibc >= 2.12.

PR-URL: https://github.com/libuv/libuv/pull/1324
Refs: https://github.com/nodejs/node/pull/12672
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Saúl Ibarra Corretgé <saghul@gmail.com>

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doc: add code samples from uvbook (unadapted)

PR-URL: https://github.com/libuv/libuv/pull/1246
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Santiago Gimeno <santiago.gim

doc: add code samples from uvbook (unadapted)

PR-URL: https://github.com/libuv/libuv/pull/1246
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Santiago Gimeno <santiago.gimeno@gmail.com>

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