static inline int run_child (int fd, unsigned int timeout, pid_t pid, char const *s)
{
char dummy[4096] ;
iopause_fd x = { .fd = fd, .events = IOPAUSE_READ } ;
tain_t deadline ;
tain_now_g() ;
if (timeout) tain_from_millisecs(&deadline, timeout) ;
else deadline = tain_infinite_relative ;
tain_add_g(&deadline, &deadline) ;
for (;;)
{
int r = iopause_g(&x, 1, &deadline) ;
if (r < 0) strerr_diefu1sys(111, "iopause") ;
if (!r) return 99 ;
r = sanitize_read(fd_read(fd, dummy, 4096)) ;
if (r < 0)
if (errno == EPIPE) return 1 ;
else strerr_diefu1sys(111, "read from parent") ;
else if (r && memchr(dummy, '\n', r)) break ;
}
close(fd) ;
notify_systemd(pid, s) ;
return 0 ;
}
int main (int argc, char const *const *argv) {
tain_t deadline ;
int sfd ;
PROG = "bevt_relayd" ;
if (argc < 2) strerr_dieusage(100, USAGE) ;
if (ndelay_on(0) < 0) strerr_diefu2sys(111, "ndelay_on ", "0") ;
if (ndelay_on(1) < 0) strerr_diefu2sys(111, "ndelay_on ", "1") ;
if (sig_ignore(SIGPIPE) < 0) strerr_diefu1sys(111, "ignore SIGPIPE") ;
sfd = selfpipe_init() ;
if (sfd < 0) strerr_diefu1sys(111, "selfpipe_init") ;
{
sigset_t set ;
sigemptyset(&set) ;
sigaddset(&set, SIGCHLD) ;
sigaddset(&set, SIGTERM) ;
sigaddset(&set, SIGQUIT) ;
sigaddset(&set, SIGHUP) ;
sigaddset(&set, SIGABRT) ;
sigaddset(&set, SIGINT) ;
if (selfpipe_trapset(&set) < 0)
strerr_diefu1sys(111, "trap signals") ;
}
if(bevt_relay_db_init(argv[1])<0)
strerr_diefu1sys(111, "db init failed") ;
tain_now_g() ;
tain_addsec_g(&deadline, 2) ;
if (!skaclient_server_01x_init_g(BEVT_RELAY_BANNER1, BEVT_RELAY_BANNER1_LEN, BEVT_RELAY_BANNER2, BEVT_RELAY_BANNER2_LEN, &deadline))
strerr_diefu1sys(111, "sync with client") ;
for (;;) {
register unsigned int n = 0 ;
iopause_fd x[6 + n] ;
int r ;
if(mfd<0) handle_connect_central();
tain_add_g(&deadline, &tain_infinite_relative) ;
x[0].fd = 0 ; x[0].events = IOPAUSE_EXCEPT | IOPAUSE_READ ;
x[1].fd = 1 ; x[1].events = IOPAUSE_EXCEPT | (unixmessage_sender_isempty(unixmessage_sender_1) ? 0 : IOPAUSE_WRITE ) ;
x[2].fd = sfd ; x[2].events = IOPAUSE_READ ;
x[3].fd = bozclient_sfd(¢ral_client_g); x[3].events = IOPAUSE_READ ;
x[4].fd = bozclient_sfd(¢ral_client_g); x[4].events = (bozclient_siswritable(¢ral_client_g) ? IOPAUSE_WRITE : 0) ;
x[5].fd = unixmessage_sender_fd(unixmessage_sender_x) ; x[5].events = (unixmessage_sender_isempty(unixmessage_sender_x) ? 0 : IOPAUSE_WRITE) ;
r = iopause_g(x, 5 + n, &deadline) ;
if (r < 0) {
cleanup() ;
strerr_diefu1sys(111, "iopause") ;
}
/* client closed */
if ((x[0].revents | x[1].revents) & IOPAUSE_EXCEPT) break ;
/* client is sync reading */
if (x[1].revents & IOPAUSE_WRITE) {
if (!unixmessage_sender_flush(unixmessage_sender_1) && !error_isagain(errno)) {
cleanup() ;
strerr_diefu1sys(111, "flush sync out") ;
}
}
/* client is async rzading */
if (x[5].revents & IOPAUSE_WRITE) {
if (!unixmessage_sender_flush(unixmessage_sender_x) && !error_isagain(errno)) {
cleanup() ;
strerr_diefu1sys(111, "flush async out") ;
}
}
/* signals arrived */
if (x[2].revents & (IOPAUSE_READ | IOPAUSE_EXCEPT)) handle_signals() ;
/* main socket read or close */
if (x[3].revents & IOPAUSE_READ) {
handle_close_central();
continue;
}
/* main socket close */
if (x[4].revents & IOPAUSE_WRITE) {
bozclient_flush(¢ral_client_g);
}
/* main socket close */
if (x[5].revents & IOPAUSE_WRITE) {
if (!unixmessage_sender_flush(unixmessage_sender_x) && !error_isagain(errno)) {
cleanup() ;
strerr_diefu1sys(111, "flush stdout") ;
}
}
/* client is sync writing */
if (!unixmessage_receiver_isempty(unixmessage_receiver_0) || x[0].revents & IOPAUSE_READ)
{
if (unixmessage_handle(unixmessage_receiver_0, &bevt_relay_parse_prot_cmd, 0) < 0)
{
if (errno == EPIPE) break ; /* normal exit */
cleanup() ;
strerr_diefu1sys(111, "handle messages from client") ;
}
}
}
cleanup() ;
return 0 ;
}
int main (int argc, char const **argv, char const *const *envp)
{
iopause_fd x[2] = { { -1, IOPAUSE_READ, 0 }, { -1, IOPAUSE_READ, 0 } } ;
tain_t deadline, tto ;
ftrigr_t a = FTRIGR_ZERO ;
int argc1 ;
unsigned int i = 0 ;
char or = 0 ;
PROG = "s6-ftrig-listen" ;
{
unsigned int t = 0 ;
for (;;)
{
register int opt = subgetopt(argc, argv, "aot:") ;
if (opt == -1) break ;
switch (opt)
{
case 'a' : or = 0 ; break ;
case 'o' : or = 1 ; break ;
case 't' : if (uint0_scan(subgetopt_here.arg, &t)) break ;
default : dieusage() ;
}
}
if (t) tain_from_millisecs(&tto, t) ; else tto = tain_infinite_relative ;
argc -= subgetopt_here.ind ; argv += subgetopt_here.ind ;
}
if (argc < 4) dieusage() ;
argc1 = el_semicolon(argv) ;
if (!argc1 || (argc1 & 1) || (argc == argc1 + 1)) dieusage() ;
if (argc1 >= argc) strerr_dief1x(100, "unterminated fifodir+regex block") ;
tain_now_g() ;
tain_add_g(&deadline, &tto) ;
x[0].fd = selfpipe_init() ;
if (x[0].fd < 0) strerr_diefu1sys(111, "selfpipe_init") ;
if (selfpipe_trap(SIGCHLD) < 0) strerr_diefu1sys(111, "selfpipe_trap") ;
if (sig_ignore(SIGPIPE) < 0) strerr_diefu1sys(111, "sig_ignore") ;
if (!ftrigr_startf_g(&a, &deadline)) strerr_diefu1sys(111, "ftrigr_startf") ;
x[1].fd = ftrigr_fd(&a) ;
{
int pid = 0 ;
unsigned int idlen = argc1 >> 1 ;
uint16 ids[idlen] ;
for (; i < idlen ; i++)
{
ids[i] = ftrigr_subscribe_g(&a, argv[i<<1], argv[(i<<1)+1], 0, &deadline) ;
if (!ids[i]) strerr_diefu4sys(111, "subscribe to ", argv[i<<1], " with regexp ", argv[(i<<1)+1]) ;
}
pid = child_spawn0(argv[argc1 + 1], argv + argc1 + 1, envp) ;
if (!pid) strerr_diefu2sys(111, "spawn ", argv[argc1 + 1]) ;
for (;;)
{
register int r ;
i = 0 ;
while (i < idlen)
{
char dummy ;
r = ftrigr_check(&a, ids[i], &dummy) ;
if (r < 0) strerr_diefu1sys(111, "ftrigr_check") ;
else if (!r) i++ ;
else if (or) idlen = 0 ;
else ids[i] = ids[--idlen] ;
}
if (!idlen) break ;
r = iopause_g(x, 2, &deadline) ;
if (r < 0) strerr_diefu1sys(111, "iopause") ;
else if (!r)
{
errno = ETIMEDOUT ;
strerr_diefu1sys(1, "get expected event") ;
}
if (x[0].revents & IOPAUSE_READ) handle_signals() ;
if (x[1].revents & IOPAUSE_READ)
{
if (ftrigr_update(&a) < 0) strerr_diefu1sys(111, "ftrigr_update") ;
}
}
}
return 0 ;
}
int main (int argc, char const *const *argv)
{
iopause_fd x[2] = { { -1, IOPAUSE_READ, 0 }, { -1, IOPAUSE_READ, 0 } } ;
PROG = "s6-svscan" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
unsigned int t = 5000 ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "t:c:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 't' : if (uint0_scan(l.arg, &t)) break ;
case 'c' : if (uint0_scan(l.arg, &max)) break ;
default : strerr_dieusage(100, USAGE) ;
}
}
argc -= l.ind ; argv += l.ind ;
if (t) tain_from_millisecs(&defaulttimeout, t) ;
else defaulttimeout = tain_infinite_relative ;
if (max < 2) max = 2 ;
}
/* Init phase.
If something fails here, we can die, because it means that
something is seriously wrong with the system, and we can't
run correctly anyway.
*/
if (argc && (chdir(argv[0]) < 0)) strerr_diefu1sys(111, "chdir") ;
x[1].fd = s6_supervise_lock(S6_SVSCAN_CTLDIR) ;
x[0].fd = selfpipe_init() ;
if (x[0].fd < 0) strerr_diefu1sys(111, "selfpipe_init") ;
if (sig_ignore(SIGPIPE) < 0) strerr_diefu1sys(111, "ignore SIGPIPE") ;
{
sigset_t set ;
sigemptyset(&set) ;
sigaddset(&set, SIGCHLD) ;
sigaddset(&set, SIGALRM) ;
sigaddset(&set, SIGTERM) ;
sigaddset(&set, SIGHUP) ;
sigaddset(&set, SIGQUIT) ;
sigaddset(&set, SIGABRT) ;
sigaddset(&set, SIGINT) ;
sigaddset(&set, SIGUSR1) ;
if (selfpipe_trapset(&set) < 0) strerr_diefu1sys(111, "trap signals") ;
}
{
struct svinfo_s blob[max] ; /* careful with that stack, Eugene */
services = blob ;
tain_now_g() ;
/* Loop phase.
From now on, we must not die.
Temporize on recoverable errors, and panic on serious ones. */
while (cont)
{
int r ;
tain_add_g(&deadline, &defaulttimeout) ;
reap() ;
scan() ;
killthem() ;
r = iopause_g(x, 2, &deadline) ;
if (r < 0) panic("iopause") ;
else if (!r) wantscan = 1 ;
else
{
if ((x[0].revents | x[1].revents) & IOPAUSE_EXCEPT)
{
errno = EIO ;
panic("check internal pipes") ;
}
if (x[0].revents & IOPAUSE_READ) handle_signals() ;
if (x[1].revents & IOPAUSE_READ) handle_control(x[1].fd) ;
}
}
/* Finish phase. */
selfpipe_finish() ;
killthem() ;
reap() ;
}
{
char const *eargv[3] = { FINISH_PROG, finish_arg, 0 } ;
execve(eargv[0], (char **)eargv, (char *const *)environ) ;
}
panicnosp("exec finish script " FINISH_PROG) ;
}
int main (int argc, char const *const *argv, char const *const *envp)
{
unsigned int nb = 0, ex = 1 ;
unsigned int timeout = 0 ;
PROG = "s6-setlock" ;
for (;;)
{
register int opt = subgetopt(argc, argv, "nNrwt:") ;
if (opt == -1) break ;
switch (opt)
{
case 'n' : nb = 1 ; break ;
case 'N' : nb = 0 ; break ;
case 'r' : ex = 0 ; break ;
case 'w' : ex = 1 ; break ;
case 't' : if (!uint0_scan(subgetopt_here.arg, &timeout)) dieusage() ;
nb = 2 ; break ;
default : dieusage() ;
}
}
argc -= subgetopt_here.ind ; argv += subgetopt_here.ind ;
if (argc < 2) dieusage() ;
if (nb < 2)
{
int fd = open_create(argv[0]) ;
if (fd == -1) strerr_diefu2sys(111, "open_create ", argv[0]) ;
if ((*f[ex][nb])(fd) == -1) strerr_diefu2sys(1, "lock ", argv[0]) ;
}
else
{
char const *cargv[3] = { "s6lockd-helper", argv[0], 0 } ;
char const *cenvp[2] = { ex ? "S6LOCK_EX=1" : 0, 0 } ;
iopause_fd x = { .events = IOPAUSE_READ } ;
tain_t deadline ;
int p[2] ;
unsigned int pid ;
char c ;
tain_now_g() ;
tain_from_millisecs(&deadline, timeout) ;
tain_add_g(&deadline, &deadline) ;
pid = child_spawn(S6_LIBEXECPREFIX "s6lockd-helper", cargv, cenvp, p, 2) ;
if (!pid) strerr_diefu2sys(111, "spawn ", S6_LIBEXECPREFIX "s6lockd-helper") ;
x.fd = p[0] ;
for (;;)
{
register int r = iopause_g(&x, 1, &deadline) ;
if (r < 0) strerr_diefu1sys(111, "iopause") ;
if (!r)
{
kill(pid, SIGTERM) ;
errno = ETIMEDOUT ;
strerr_diefu1sys(1, "acquire lock") ;
}
r = sanitize_read(fd_read(p[0], &c, 1)) ;
if (r < 0) strerr_diefu1sys(111, "read ack from helper") ;
if (r) break ;
}
if (c != '!') strerr_dief1x(111, "helper sent garbage ack") ;
fd_close(p[0]) ;
if (uncoe(p[1]) < 0) strerr_diefu1sys(111, "uncoe fd to helper") ;
}
pathexec_run(argv[1], argv+1, envp) ;
strerr_dieexec(111, argv[1]) ;
}
int main (int argc, char const *const *argv, char const *const *envp)
{
iopause_fd x[2] = { { -1, IOPAUSE_READ, 0 }, { -1, IOPAUSE_READ, 0 } } ;
struct taia deadline, tto ;
ftrigr_t a = FTRIGR_ZERO ;
int pid ;
uint16 id ;
PROG = "s6-ftrig-listen1" ;
{
unsigned int t = 0 ;
for (;;)
{
register int opt = subgetopt(argc, argv, "t:") ;
if (opt == -1) break ;
switch (opt)
{
case 't' : if (uint0_scan(subgetopt_here.arg, &t)) break ;
default : strerr_dieusage(100, USAGE) ;
}
}
if (t) taia_from_millisecs(&tto, t) ;
else tto = infinitetto ;
argc -= subgetopt_here.ind ; argv += subgetopt_here.ind ;
}
if (argc < 3) strerr_dieusage(100, USAGE) ;
taia_now_g() ;
taia_add_g(&deadline, &tto) ;
if (!ftrigr_startf_g(&a, &deadline)) strerr_diefu1sys(111, "ftrigr_startf") ;
id = ftrigr_subscribe_g(&a, argv[0], argv[1], 0, &deadline) ;
if (!id) strerr_diefu4sys(111, "subscribe to ", argv[0], " with regexp ", argv[1]) ;
x[0].fd = selfpipe_init() ;
if (x[0].fd < 0) strerr_diefu1sys(111, "selfpipe_init") ;
if (selfpipe_trap(SIGCHLD) < 0) strerr_diefu1sys(111, "selfpipe_trap") ;
if (sig_ignore(SIGPIPE) < 0) strerr_diefu1sys(111, "sig_ignore") ;
x[1].fd = ftrigr_fd(&a) ;
pid = fork() ;
switch (pid)
{
case -1 : strerr_diefu1sys(111, "fork") ;
case 0 :
{
PROG = "s6-ftrig-listen1 (child)" ;
pathexec_run(argv[2], argv+2, envp) ;
strerr_dieexec(111, argv[2]) ;
}
}
for (;;)
{
char dummy ;
register int r = ftrigr_check(&a, id, &dummy) ;
if (r < 0) strerr_diefu1sys(111, "ftrigr_check") ;
if (r) break ;
r = iopause_g(x, 2, &deadline) ;
if (r < 0) strerr_diefu1sys(111, "iopause") ;
else if (!r)
{
errno = ETIMEDOUT ;
strerr_diefu1sys(1, "get expected event") ;
}
if (x[0].revents & IOPAUSE_READ) handle_signals() ;
if (x[1].revents & IOPAUSE_READ)
{
if (ftrigr_update(&a) < 0) strerr_diefu1sys(111, "ftrigr_update") ;
}
}
return 0 ;
}
int main (int argc, char const *const *argv)
{
iopause_fd x[2] = { { -1, IOPAUSE_READ, 0 }, { -1, IOPAUSE_READ, 0 } } ;
PROG = "s6-supervise" ;
if (argc < 2) strerr_dieusage(100, USAGE) ;
if (chdir(argv[1]) < 0) strerr_diefu2sys(111, "chdir to ", argv[1]) ;
{
register unsigned int proglen = str_len(PROG) ;
register unsigned int namelen = str_len(argv[1]) ;
char progname[proglen + namelen + 2] ;
byte_copy(progname, proglen, PROG) ;
progname[proglen] = ' ' ;
byte_copy(progname + proglen + 1, namelen + 1, argv[1]) ;
PROG = progname ;
if (!fd_sanitize()) strerr_diefu1sys(111, "sanitize stdin and stdout") ;
x[1].fd = s6_supervise_lock(S6_SUPERVISE_CTLDIR) ;
if (!ftrigw_fifodir_make(S6_SUPERVISE_EVENTDIR, getegid(), 0))
strerr_diefu2sys(111, "mkfifodir ", S6_SUPERVISE_EVENTDIR) ;
x[0].fd = selfpipe_init() ;
if (x[0].fd == -1) strerr_diefu1sys(111, "init selfpipe") ;
if (sig_ignore(SIGPIPE) < 0) strerr_diefu1sys(111, "ignore SIGPIPE") ;
{
sigset_t set ;
sigemptyset(&set) ;
sigaddset(&set, SIGTERM) ;
sigaddset(&set, SIGHUP) ;
sigaddset(&set, SIGQUIT) ;
sigaddset(&set, SIGCHLD) ;
if (selfpipe_trapset(&set) < 0) strerr_diefu1sys(111, "trap signals") ;
}
if (!ftrigw_clean(S6_SUPERVISE_EVENTDIR))
strerr_warnwu2sys("ftrigw_clean ", S6_SUPERVISE_EVENTDIR) ;
{
struct stat st ;
if (stat("down", &st) == -1)
{
if (errno != ENOENT)
strerr_diefu1sys(111, "stat down") ;
}
else status.flagwantup = 0 ;
if (stat("nosetsid", &st) == -1)
{
if (errno != ENOENT)
strerr_diefu1sys(111, "stat nosetsid") ;
}
else flagsetsid = 0 ;
}
tain_now_g() ;
settimeout(0) ;
tain_copynow(&status.stamp) ;
announce() ;
ftrigw_notifyb_nosig(S6_SUPERVISE_EVENTDIR, "s", 1) ;
while (cont)
{
register int r = iopause_g(x, 2, &deadline) ;
if (r < 0) strerr_diefu1sys(111, "iopause") ;
else if (!r) (*actions[state][V_TIMEOUT])() ;
else
{
if ((x[0].revents | x[1].revents) & IOPAUSE_EXCEPT)
strerr_diefu1x(111, "iopause: trouble with pipes") ;
if (x[0].revents & IOPAUSE_READ) handle_signals() ;
else if (x[1].revents & IOPAUSE_READ) handle_control(x[1].fd) ;
}
}
ftrigw_notifyb_nosig(S6_SUPERVISE_EVENTDIR, "x", 1) ;
}
return 0 ;
}
