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- Add GetCpuCount() API to redbean
- Add unix.gmtime() API to redbean
- Add unix.readlink() API to redbean
- Add unix.localtime() API to redbean
- Perfect the new redbean UNIX module APIs
- Integrate with Linux clock_gettime() vDSO
- Run Lua garbage collector when malloc() fails
- Fix another regression quirk with linenoise repl
- Fix GetProgramExecutableName() for systemwide installs
- Fix a build flake with test/libc/mem/test.mk SRCS list
This commit is contained in:
Justine Tunney 2022-04-25 21:16:05 -07:00
parent 860ea18a87
commit d57b81aac7
51 changed files with 3096 additions and 1395 deletions
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83
tool/net/demo/unix-subprocess.lua
View file

@ -9,55 +9,48 @@ function main()
end
syscall = 'commandv'
ls = assert(unix.commandv(cmd))
if ls then
syscall = 'pipe'
reader, writer, errno = unix.pipe()
if reader then
-- oldint = assert(unix.sigaction(unix.SIGINT, unix.SIG_IGN))
-- oldquit = assert(unix.sigaction(unix.SIGQUIT, unix.SIG_IGN))
-- oldmask = assert(unix.sigprocmask(unix.SIG_BLOCK, (1 << (unix.SIGCHLD - 1))))
syscall = 'fork'
child, errno = unix.fork()
if child then
if child == 0 then
unix.close(1)
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)
syscall = 'pipe'
reader, writer = assert(unix.pipe(unix.O_CLOEXEC))
oldint = assert(unix.sigaction(unix.SIGINT, unix.SIG_IGN))
oldquit = assert(unix.sigaction(unix.SIGQUIT, unix.SIG_IGN))
oldmask = assert(unix.sigprocmask(unix.SIG_BLOCK, unix.Sigset(unix.SIGCHLD)))
syscall = 'fork'
child = assert(unix.fork())
if child == 0 then
unix.close(0)
unix.open("/dev/null", unix.O_RDONLY)
unix.close(1)
unix.dup(writer)
unix.close(2)
unix.open("/dev/null", unix.O_RDONLY)
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
unix.close(writer)
SetStatus(200)
SetHeader('Content-Type', 'text/plain')
while true do
data, err = unix.read(reader)
if data then
if data ~= '' then
Write(data)
else
unix.close(writer)
SetStatus(200)
SetHeader('Content-Type', 'text/plain')
while true do
data, errno = unix.read(reader)
if data then
if data ~= '' then
Write(data)
else
break
end
elseif errno ~= unix.EINTR then
Log(kLogWarn, '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
break
end
elseif err:errno() ~= unix.EINTR then
Log(kLogWarn, 'read() failed: %s' % {tostring(err)})
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
SetStatus(200)
SetHeader('Content-Type', 'text/plain')
Write('error %s calling %s()' % {unix.strerrno(errno), syscall})
end
main()