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Fix a few reported issues

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This commit is contained in:
Justine Tunney 2022-04-21 22:07:21 -07:00
parent a259e43d84
commit 552525cbdd
4 changed files with 23 additions and 7 deletions
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22
tool/net/demo/unix-subprocess.lua
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@ -8,6 +8,9 @@ function main()
syscall = 'pipe'
reader, writer, errno = unix.pipe()
if reader then
oldint = unix.sigaction(unix.SIGINT, unix.SIG_IGN)
oldquit = unix.sigaction(unix.SIGQUIT, unix.SIG_IGN)
oldmask = unix.sigprocmask(unix.SIG_BLOCK, unix.SIGCHLD)
syscall = 'fork'
child, errno = unix.fork()
if child then
@ -16,6 +19,9 @@ function main()
unix.dup(writer)
unix.close(writer)
unix.close(reader)
unix.sigaction(unix.SIGINT, oldint)
unix.sigaction(unix.SIGQUIT, oldquit)
unix.sigprocmask(unix.SIG_SETMASK, oldmask)
unix.execve(ls, {ls, "-Shal"})
unix.exit(127)
else
@ -23,15 +29,23 @@ function main()
SetStatus(200)
SetHeader('Content-Type', 'text/plain')
while true do
data = unix.read(reader)
if data ~= "" then
Write(data)
else
data, errno = unix.read(reader)
if data then
if data ~= "" then
Write(data)
else
break
end
elseif errno ~= unix.EINTR then
Log(kLogWarn, string.format('read() failed: %s', unix.strerror(errno)))
break
end
end
unix.close(reader)
unix.wait(-1)
unix.sigaction(unix.SIGINT, oldint)
unix.sigaction(unix.SIGQUIT, oldquit)
unix.sigprocmask(unix.SIG_SETMASK, oldmask)
return
end
end