test: update BAD_PIPENAME for Unices, check for UV_EACCESS

windows: return UV_EACCESS for invalid pipe name

test: `run-tests helper_name` runs helper in same process

Fixes #116.

uv-unix: uv_pipe_bind: raise UV_EINVAL if pipe already bound

Fixes failing test pipe_bind_error_inval.

uv-unix: uv_pipe_listen: raise UV_ENOTCONN if pipe not bound

Fixes failing test pipe_listen_without_bind.

ev: mark inline functions in ev.h with __attribute__((unused))

Silences the ton of warnings you get with `gcc -Wall -Wextra`.

uv-unix: handle EINTR properly

Fixes #113.

Windows: do not hang if LOOP->refs become 0 in a prepare callback

Test that loop refs going down to zero in a prepare callback does not hang the event loop

Move loop reference tests to their own file

Windows: follow libev loop semantics more closely

Allow pipe name to be in utf8 for uv_pipe_bind and uv_pipe_connect

Windows: make uv_pipe_bind fail for the pipe name already in-use

uv-unix: move stream->fd >= 0 asserts out of connection error path

on_connect callback must be invoked even if the connect() syscall
fails. stream->fd == -1 in that case.

Correct idle_starvation test

More changes related to uv_close returning void

uv_close returns void

Test: active idle watcher should not block other events

Add uv_pipe_bind tests

Windows: Use PeekNamedPipe instead of non-blocking reads to peek at the pipe buffer

uv-unix: call uv__accept() instead of accept()

uv__accept() puts the socket in non-blocking close-on-exec mode,
accept() by itself does not.

Solves the case of the mysteriously

uv-unix: call uv__accept() instead of accept()

uv__accept() puts the socket in non-blocking close-on-exec mode,
accept() by itself does not.

Solves the case of the mysteriously hanging HTTP benchmarks.

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uv-unix: defer uv_pipe_connect callback to next tick

Only sleep on 'make bench' not on 'make test'

Test for sync tcp and pipe connections

runner: give helpers a chance to clean up after the test.

Fixes #50.