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

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This commit is contained in:
aiyion.prime 2021-07-06 11:42:27 +02:00
parent e2ec7f6e5c
commit c1df15690b
1 changed files with 5 additions and 5 deletions
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10
package/gluon-core/luasrc/usr/lib/lua/gluon/util.lua
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@ -203,9 +203,9 @@ function M.popen3(policies, path, ...)
local parentfds = {} local parentfds = {}
for fd, policy in pairs(policies) do for fd, policy in pairs(policies) do
if M.PipePolicies.CREATE==policy then if policy==M.PipePolicies.CREATE then
local piper, pipew = posix_unistd.pipe() local piper, pipew = posix_unistd.pipe()
if posix_unistd.STDIN_FILENO==fd then if fd==posix_unistd.STDIN_FILENO then
childfds[fd]=piper childfds[fd]=piper
parentfds[fd]=pipew parentfds[fd]=pipew
else else
@ -230,11 +230,11 @@ function M.popen3(policies, path, ...)
end end
for fd, policy in pairs(policies) do for fd, policy in pairs(policies) do
if M.PipePolicies.DISCARD==policy then if policy==M.PipePolicies.DISCARD then
if posix_unistd.STDIN_FILENO~=fd then if fd~=posix_unistd.STDIN_FILENO then
posix_unistd.dup2(null, fd) posix_unistd.dup2(null, fd)
end end
elseif M.PipePolicies.CREATE==policy then elseif policy==M.PipePolicies.CREATE then
-- only close these, if they exist -- only close these, if they exist
posix_unistd.close(parentfds[fd]) posix_unistd.close(parentfds[fd])
posix_unistd.dup2(childfds[fd], fd) posix_unistd.dup2(childfds[fd], fd)