Merge remote-tracking branch 'origin/v0.10'

unix: make timers handle large timeouts

This commit fixes two closely related integer overflow bugs:

* Timers with a timeout > INT_MAX cause uv__next_timeout() to return
a neg

unix: make timers handle large timeouts

This commit fixes two closely related integer overflow bugs:

* Timers with a timeout > INT_MAX cause uv__next_timeout() to return
a negative value.

* Timers with very large timeouts (close or equal to ULLONG_MAX) run on
the next tick.

In both cases, clamp the values to prevent the overflow from happening.

Fixes joyent/node#5101.

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unix: make uv_timer_init() initialize repeat

uv_timer_get_repeat() should return 0 for timers that haven't been
started.

unix, windows: nanosecond resolution for uv_fs_[fl]stat

Closes #739.

include: use x macros for uv_any_{handle,req} unions

Generate the members of the uv_any_handle and uv_any_req unions with
the UV_HANDLE_TYPE_MAP and UV_REQ_TYPE_MAP macros. Eases mainten

include: use x macros for uv_any_{handle,req} unions

Generate the members of the uv_any_handle and uv_any_req unions with
the UV_HANDLE_TYPE_MAP and UV_REQ_TYPE_MAP macros. Eases maintenance
when new handle or request types are added.

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build: rename OS to PLATFORM

Rename the OS make variable to PLATFORM, it conflicts with the OS env
var. That is, running `make` when the OS env var is set, may cause
spurious build b

build: rename OS to PLATFORM

Rename the OS make variable to PLATFORM, it conflicts with the OS env
var. That is, running `make` when the OS env var is set, may cause
spurious build breakage.

Fixes #737.

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stream: run try_select only for pipes and ttys

Its not necesary for TCP and other streams, since fd is always working
with kqueue there.

unix: improve uv_guess_handle() implementation

Make it understand FIFOs, character devices and sockets.

include: bump UV_VERSION_MINOR

Fixes #740.

unix: fix uv_tcp_simultaneous_accepts() logic

Inverts the meaning of the 'enable' argument. Before, it actually set
the UV_TCP_SINGLE_ACCEPT flag when enable=1. Now it clears it, which i

unix: fix uv_tcp_simultaneous_accepts() logic

Inverts the meaning of the 'enable' argument. Before, it actually set
the UV_TCP_SINGLE_ACCEPT flag when enable=1. Now it clears it, which is
what uv-win does and what you would expect it to do.

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test: add tap output for windows

win/tcp: don't enable iocp sync bypass when iocp emulation is used

When iocp sync bypass is in use libuv doesn't expect the system to
generate events when an i/o operation completes sync

win/tcp: don't enable iocp sync bypass when iocp emulation is used

When iocp sync bypass is in use libuv doesn't expect the system to
generate events when an i/o operation completes synchronously. However
when iocp emulation is enabled an event will always be generated because
SetFileCompletionNotificationModes() doesn't stop OVERLAPPED.hEvent from
becoming signaled.

This should fix joyent/node#4959.

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win: fix potential HANDLE corruption due to incorrect cast

Closes #738.

win: Map ERROR_INVALID_FUNCTION to EISDIR

This error is raised when calling read() or write() on a directory.

A bit of googling turns up some cases where this error can be raised

win: Map ERROR_INVALID_FUNCTION to EISDIR

This error is raised when calling read() or write() on a directory.

A bit of googling turns up some cases where this error can be raised
that are not properly mapped to EISDIR, but are also cases that libuv
doesn't really care about, like the Password Manager API,
GetFirmwareEnvironmentVariable, or CreateTapePartition.

If libuv ever needs to handle these cases, then I suppose that the
ERROR_INVALID_FUNCTION->EISDIR mapping could be done directly in the
fs read() and write() functions, but doing so at this point seems
premature, as it makes the error code mapping a bit more messy.

Fixes joyent/node#4951

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unix: please valgrind, free memory in threadpool.c

unix: replace volatile cast with ACCESS_ONCE macro

unix: fix strict aliasing warning in udp.c

unix: add uv_buf_t static asserts to core.c

Verify that our uv_buf_t type is ABI-compatible with struct iovec.

unix: add STATIC_ASSERT macro

unix: fix strict aliasing warnings, macro-ify functions

Replace a few internal functions in uv-common.h with macros to avoid
strict aliasing warnings with older versions of gcc.

unix: fix strict aliasing warnings, macro-ify functions

Replace a few internal functions in uv-common.h with macros to avoid
strict aliasing warnings with older versions of gcc.

It's not smart enough to figure out that e.g. a uv_tcp_t is an instance
of uv_handle_t with similar alignment requirements and therefore no
aliasing happens. More recent versions of gcc don't suffer from this.

I'm not normally in the habit of catering to compiler defects but the
aliasing warnings drown out legitimate warnings, hence the change.

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unix: honor UV_THREADPOOL_SIZE environment var

Make the size of the thread pool configurable through an environment
variable. For sanity reasons, the size is clamped to the range 1-128.

win/tty: fix typo in color attributes enumeration

win/tty: don't touch insert mode or quick edit mode

Hopefully this fixes joyent/node#4809.

win/tty: fix case where uv_read_start incorrectly reports failure

In very rare circumstances a uv_read_start() call on a uv_tty_t handle
in raw mode would return -1 but there was no actu

win/tty: fix case where uv_read_start incorrectly reports failure

In very rare circumstances a uv_read_start() call on a uv_tty_t handle
in raw mode would return -1 but there was no actual failure. This patch
fixes that.

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unix: handle POLLERR and POLLHUP in uv__stream_io

Fixes a busy loop when the file descriptor emits POLLHUP but not POLLIN
or POLLOUT, e.g. when polling the read end of a pipe and the wri

unix: handle POLLERR and POLLHUP in uv__stream_io

Fixes a busy loop when the file descriptor emits POLLHUP but not POLLIN
or POLLOUT, e.g. when polling the read end of a pipe and the write end
is closed.

Fixes joyent/node#4923.

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