shithub: lu9-p9

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fs: implement p9.pipe()

--- a/fs.c

+++ b/fs.c

@@ -313,3 +313,15 @@

 	lua_pushstring(L, buf);

 	return 1;

 }

+

+static int

+p9_pipe(lua_State *L)

+{

+	int fd[2];

+	

+	if(pipe(fd) == -1)

+		return error(L, "pipe: %r");

+	filenew(L, fd[0]);

+	filenew(L, fd[1]);

+	return 2;

+}

--- a/p9.c

+++ b/p9.c

@@ -154,11 +154,10 @@

 	{"open", p9_open},

 	{"create", p9_create},

 	{"file", p9_file},

+	{"pipe", p9_pipe},

 	{"remove", p9_remove},

 	{"fd2path", p9_fd2path},

-	{"getenv", p9_getenv},

-	{"setenv", p9_setenv},

 	{"stat", p9_stat},

 	{"walk", p9_walk},

@@ -166,6 +165,9 @@

 	{"bind", p9_bind},

 	{"mount", p9_mount},

 	{"unmount", p9_unmount},

+	

+	{"getenv", p9_getenv},

+	{"setenv", p9_setenv},

 	{"rfork", p9_rfork},

--- a/test.lua

+++ b/test.lua

@@ -74,6 +74,13 @@

 	assert(p9.fd2path(fd.fd) == "/tmp/fd2path")

 end

+-- pipe

+do

+	local p₀, p₁ = assert(p9.pipe())

+	p₀:write("ABCD")

+	assert(p₁:read() == "ABCD")

+end

+

 -- Filesystem

 do

 	-- Create a test tree