shithub: lu9-p9

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fs: add file:iounit() method

--- a/fs.c

+++ b/fs.c

@@ -315,6 +315,16 @@

 }

 static int

+p9_iounit(lua_State *L)

+{

+	int fd;

+	

+	fd = filefd(L, 1);

+	lua_pushinteger(L, iounit(fd));

+	return 1;

+}

+

+static int

 p9_pipe(lua_State *L)

 {

 	int fd[2];

--- a/p9.c

+++ b/p9.c

@@ -191,6 +191,7 @@

 		{"slurp", p9_slurp},

 		{"write", p9_write},

 		{"seek", p9_seek},

+		{"iounit", p9_iounit},

 		{nil, nil},

 	};

 	luaL_newmetatable(L, "p9-File");

--- a/test.lua

+++ b/test.lua

@@ -72,6 +72,7 @@

 do

 	local fd = p9.create("/tmp/fd2path")

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

+	fd:close()

 end

 -- pipe

@@ -79,6 +80,14 @@

 	local p₀, p₁ = assert(p9.pipe())

 	p₀:write("ABCD")

 	assert(p₁:read() == "ABCD")

+	p₀:close(); p₁:close()

+end

+

+-- iounit

+do

+	local f = assert(p9.open("/srv/slashmnt"))

+	assert(f:iounit() != 0)

+	f:close()

 end

 -- Filesystem