fixup! gluon-core: implement popen3() in gluon/util.lua

This commit is contained in:
aiyion.prime 2021-07-06 11:07:51 +02:00
parent fd6c77d134
commit 12d2f3a252

View File

@ -199,19 +199,18 @@ M.PipePolicies = {
-- Execute a program found using command PATH search, like the shell.
-- Return the pid, as well as the I/O streams as pipes or nil on error.
function M.popen3(policies, path, ...)
local pipes = {}
local intern = {}
local extern = {}
for fd, policy in pairs(policies) do
if M.PipePolicies.CREATE==policy then
pipes[fd]={posix_unistd.pipe()}
local piper, pipew = posix_unistd.pipe()
if posix_unistd.STDIN_FILENO==fd then
intern[fd]=pipes[fd][1]
extern[fd]=pipes[fd][2]
intern[fd]=piper
extern[fd]=pipew
else
intern[fd]=pipes[fd][2]
extern[fd]=pipes[fd][1]
intern[fd]=pipew
extern[fd]=piper
end
end
end