#37433

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Build # #37433

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web-flow

Commit Message

Merge pull request #48513 from JuliaLang/jn/extend-once

ensure extension triggers are only run by the package that satified them

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72324 of 82360 relevant lines covered (87.81%)

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83.02

/stdlib/Sockets/src/PipeServer.jl

# This file is a part of Julia. License is MIT: https://julialang.org/license

mutable struct PipeServer <: LibuvServer
    handle::Ptr{Cvoid}
    status::Int
    cond::Base.ThreadSynchronizer
    function PipeServer(handle::Ptr{Cvoid}, status)
        p = new(handle,
                status,
                Base.ThreadSynchronizer())
        associate_julia_struct(p.handle, p)
        finalizer(uvfinalize, p)
        return p
    end
end

function PipeServer()
    pipe = PipeServer(Libc.malloc(Base._sizeof_uv_named_pipe), StatusUninit)
    iolock_begin()
    err = ccall(:uv_pipe_init, Cint, (Ptr{Cvoid}, Ptr{Cvoid}, Cint), eventloop(), pipe.handle, 0)
    uv_error("failed to create pipe server", err)
    pipe.status = StatusInit
    iolock_end()
    return pipe
end

## server functions ##

accept(server::PipeServer) = accept(server, PipeEndpoint())

function accept_nonblock(server::PipeServer, client::PipeEndpoint)
    iolock_begin()
    if client.status != StatusInit
        error("client is already in use or has been closed")
    end
    err = ccall(:uv_accept, Int32, (Ptr{Cvoid}, Ptr{Cvoid}), server.handle, client.handle)
    if err == 0
        client.status = StatusOpen
    end
    iolock_end()
    return err
end

function accept_nonblock(server::PipeServer)
    client = PipeEndpoint()
    uv_error("accept", accept_nonblock(server, client) != 0)
    return client
end

function bind(server::PipeServer, name::AbstractString)
    iolock_begin()
    @assert server.status == StatusInit
    err = ccall(:uv_pipe_bind, Int32, (Ptr{Cvoid}, Cstring),
                server, name)
    if err != 0
        iolock_end()
        if err != UV_EADDRINUSE && err != UV_EACCES
            #TODO: this codepath is currently not tested
            throw(_UVError("bind", err))
        else
            return false
        end
    end
    server.status = StatusOpen
    iolock_end()
    return true
end

"""
    listen(path::AbstractString) -> PipeServer

Create and listen on a named pipe / UNIX domain socket.

!!! note
    Path length on Unix is limited to somewhere between 92 and 108 bytes (cf. `man unix`).
"""
function listen(path::AbstractString)
    sock = PipeServer()
    bind(sock, path) || throw(ArgumentError("could not listen on path $path"))
    return listen(sock)
end

function connect!(sock::PipeEndpoint, path::AbstractString)
    iolock_begin()
    @assert sock.status == StatusInit
    req = Libc.malloc(Base._sizeof_uv_connect)
    uv_req_set_data(req, C_NULL)
    ccall(:uv_pipe_connect, Cvoid, (Ptr{Cvoid}, Ptr{Cvoid}, Cstring, Ptr{Cvoid}), req, sock.handle, path,
          @cfunction(uv_connectcb, Cvoid, (Ptr{Cvoid}, Cint)))
    sock.status = StatusConnecting
    iolock_end()
    return sock
end

"""
    connect(path::AbstractString) -> PipeEndpoint

Connect to the named pipe / UNIX domain socket at `path`.

!!! note
    Path length on Unix is limited to somewhere between 92 and 108 bytes (cf. `man unix`).
"""
connect(path::AbstractString) = connect(PipeEndpoint(), path)

1	# This file is a part of Julia. License is MIT: https://julialang.org/license
2
3	mutable struct PipeServer <: LibuvServer
4	handle::Ptr{Cvoid}
5	status::Int
6	cond::Base.ThreadSynchronizer
7	function PipeServer(handle::Ptr{Cvoid}, status)	427✔
8	p = new(handle,	427✔
9	status,
10	Base.ThreadSynchronizer())
11	associate_julia_struct(p.handle, p)	427✔
12	finalizer(uvfinalize, p)	427✔
13	return p	427✔
14	end
15	end
16
17	function PipeServer()	427✔
18	pipe = PipeServer(Libc.malloc(Base._sizeof_uv_named_pipe), StatusUninit)	427✔
19	iolock_begin()	427✔
20	err = ccall(:uv_pipe_init, Cint, (Ptr{Cvoid}, Ptr{Cvoid}, Cint), eventloop(), pipe.handle, 0)	427✔
21	uv_error("failed to create pipe server", err)	427✔
22	pipe.status = StatusInit	427✔
23	iolock_end()	427✔
24	return pipe	427✔
25	end
26
27	## server functions ##
28
29	accept(server::PipeServer) = accept(server, PipeEndpoint())	430✔
30
31	function accept_nonblock(server::PipeServer, client::PipeEndpoint)	856✔
32	iolock_begin()	856✔
33	if client.status != StatusInit	856✔
34	error("client is already in use or has been closed")	×
35	end
36	err = ccall(:uv_accept, Int32, (Ptr{Cvoid}, Ptr{Cvoid}), server.handle, client.handle)	856✔
37	if err == 0	856✔
38	client.status = StatusOpen	429✔
39	end
40	iolock_end()	856✔
41	return err	856✔
42	end
43
44	function accept_nonblock(server::PipeServer)	×
45	client = PipeEndpoint()	×
46	uv_error("accept", accept_nonblock(server, client) != 0)	×
47	return client	×
48	end
49
50	function bind(server::PipeServer, name::AbstractString)	427✔
51	iolock_begin()	427✔
52	@assert server.status == StatusInit	427✔
53	err = ccall(:uv_pipe_bind, Int32, (Ptr{Cvoid}, Cstring),	427✔
54	server, name)
55	if err != 0	427✔
56	iolock_end()	×
57	if err != UV_EADDRINUSE && err != UV_EACCES	×
58	#TODO: this codepath is currently not tested
59	throw(_UVError("bind", err))	×
60	else
61	return false	×
62	end
63	end
64	server.status = StatusOpen	427✔
65	iolock_end()	427✔
66	return true	427✔
67	end
68
69	"""
70	listen(path::AbstractString) -> PipeServer
71
72	Create and listen on a named pipe / UNIX domain socket.
73
74	!!! note
75	Path length on Unix is limited to somewhere between 92 and 108 bytes (cf. `man unix`).
76	"""
77	function listen(path::AbstractString)	427✔
78	sock = PipeServer()	427✔
79	bind(sock, path) \|\| throw(ArgumentError("could not listen on path $path"))	427✔
80	return listen(sock)	427✔
81	end
82
83	function connect!(sock::PipeEndpoint, path::AbstractString)	430✔
84	iolock_begin()	430✔
85	@assert sock.status == StatusInit	430✔
86	req = Libc.malloc(Base._sizeof_uv_connect)	430✔
87	uv_req_set_data(req, C_NULL)	430✔
88	ccall(:uv_pipe_connect, Cvoid, (Ptr{Cvoid}, Ptr{Cvoid}, Cstring, Ptr{Cvoid}), req, sock.handle, path,	430✔
89	@cfunction(uv_connectcb, Cvoid, (Ptr{Cvoid}, Cint)))
90	sock.status = StatusConnecting	430✔
91	iolock_end()	430✔
92	return sock	430✔
93	end
94
95	"""
96	connect(path::AbstractString) -> PipeEndpoint
97
98	Connect to the named pipe / UNIX domain socket at `path`.
99
100	!!! note
101	Path length on Unix is limited to somewhere between 92 and 108 bytes (cf. `man unix`).
102	"""
103	connect(path::AbstractString) = connect(PipeEndpoint(), path)	430✔

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