int main (int argc, char const *const *argv, char const *const *envp)
{
int uid = -1, gid = -1 ;
PROG = "s6-chown" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "Uu:g:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'u':
{
unsigned int u ;
if (!uint0_scan(l.arg, &u)) strerr_dieusage(100, USAGE) ;
uid = u ;
break ;
}
case 'g':
{
unsigned int g ;
if (!uint0_scan(l.arg, &g)) strerr_dieusage(100, USAGE) ;
gid = g ;
break ;
}
case 'U':
{
unsigned int x ;
char const *s = env_get2(envp, "UID") ;
if (!s) strerr_dienotset(100, "UID") ;
if (!uint0_scan(s, &x)) strerr_dieinvalid(100, "UID") ;
uid = x ;
s = env_get2(envp, "GID") ;
if (!s) strerr_dienotset(100, "GID") ;
if (!uint0_scan(s, &x)) strerr_dieinvalid(100, "GID") ;
gid = x ;
break ;
}
default : strerr_dieusage(100, USAGE) ;
}
}
argc -= l.ind ; argv += l.ind ;
}
if (!argc) strerr_dieusage(100, USAGE) ;
if (chown(*argv, uid, gid) == -1)
strerr_diefu2sys(111, "chown ", argv[0]) ;
return 0 ;
}
int main (int argc, char const *const *argv, char const *const *envp)
{
unsigned int backlog = 20 ;
int flagreuse = 1 ;
PROG = "s6-ipcserver-socketbinder" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "Ddb:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'D' : flagreuse = 0 ; break ;
case 'd' : flagreuse = 1 ; break ;
case 'b' : if (!uint0_scan(l.arg, &backlog)) dieusage() ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
}
if (argc < 2) dieusage() ;
close(0) ;
if (ipc_stream()) strerr_diefu1sys(111, "create socket") ;
{
mode_t m = umask(0) ;
if ((flagreuse ? ipc_bind_reuse(0, argv[0]) : ipc_bind(0, argv[0])) < 0)
strerr_diefu2sys(111, "bind to ", argv[0]) ;
umask(m) ;
}
if (ipc_listen(0, backlog) < 0) strerr_diefu2sys(111, "listen to ", argv[0]) ;
pathexec_run(argv[1], argv + 1, envp) ;
strerr_dieexec(111, argv[1]) ;
}
int main (int argc, char const *const *argv, char const *const *envp)
{
unsigned int fd ;
int block = 1 ;
PROG = "fdblock" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "n", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'n' : block = 0 ; break ;
default : strerr_dieusage(100, USAGE) ;
}
}
argc -= l.ind ; argv += l.ind ;
}
if ((argc < 2) || !uint0_scan(argv[0], &fd)) strerr_dieusage(100, USAGE) ;
if ((block ? ndelay_off(fd) : ndelay_on(fd)) < 0)
strerr_diefu1sys(111, block ? "ndelay_off" : "ndelay_on") ;
pathexec_run(argv[1], argv+1, envp) ;
strerr_dieexec(111, argv[1]) ;
}
int main (int argc, char const *const *argv)
{
stralloc sa = STRALLOC_ZERO ;
unsigned int n = 8 ;
PROG = "s6-uniquename" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "n:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'n' : if (!uint0_scan(l.arg, &n)) usage() ; break ;
default : usage() ;
}
}
argc -= l.ind ; argv += l.ind ;
}
if (argc < 1) usage() ;
if (!stralloc_cats(&sa, argv[0])) strerr_diefu1sys(111, "stralloc_cats") ;
if ((n ? random_sauniquename(&sa, n) : sauniquename(&sa)) < 0)
strerr_diefu1sys(111, "make unique name") ;
if (!stralloc_catb(&sa, "\n", 1)) strerr_diefu1sys(111, "stralloc_cats") ;
if (allwrite(1, sa.s, sa.len) < sa.len) strerr_diefu1sys(111, "write to stdout") ;
return 0 ;
}
int main (int argc, char const *const *argv, char const *const *envp)
{
char const *s = env_get2(envp, VAR) ;
unsigned int fd = 1 ;
unsigned int timeout = 0 ;
int df = 1, keep = 0 ;
PROG = "sdnotify-wrapper" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "d:ft:k", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'd' : if (!uint0_scan(l.arg, &fd)) dieusage() ; break ;
case 'f' : df = 0 ; break ;
case 't' : if (!uint0_scan(l.arg, &timeout)) dieusage() ; break ;
case 'k' : keep = 1 ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
}
if (!argc) dieusage() ;
if (!s) xpathexec_run(argv[0], argv, envp) ;
else
{
pid_t parent = getpid() ;
pid_t child ;
int p[2] ;
if (pipe(p) < 0) strerr_diefu1sys(111, "pipe") ;
child = df ? doublefork() : fork() ;
if (child < 0) strerr_diefu1sys(111, df ? "doublefork" : "fork") ;
else if (!child)
{
PROG = "sdnotify-wrapper (child)" ;
close(p[1]) ;
return run_child(p[0], timeout, parent, s) ;
}
close(p[0]) ;
if (fd_move((int)fd, p[1]) < 0) strerr_diefu1sys(111, "move descriptor") ;
if (keep) xpathexec_run(argv[0], argv, envp) ;
else xpathexec_r(argv, envp, env_len(envp), VAR, sizeof(VAR)) ;
}
}
int
main (int argc, char * const argv[], char const * const *envp)
{
PROG = "aa-ctty";
int fd = 0;
int steal = 0;
for (;;)
{
struct option longopts[] = {
{ "double-output", no_argument, NULL, 'D' },
{ "fd", required_argument, NULL, 'f' },
{ "help", no_argument, NULL, 'h' },
{ "steal", no_argument, NULL, 's' },
{ "version", no_argument, NULL, 'V' },
{ NULL, 0, 0, 0 }
};
int c;
c = getopt_long (argc, argv, "+Df:hsV", longopts, NULL);
if (c == -1)
break;
switch (c)
{
case 'D':
aa_set_double_output (1);
break;
case 'f':
if (!uint0_scan (optarg, &fd))
aa_strerr_diefu1sys (1, "set fd");
break;
case 'h':
dieusage (0);
case 's':
steal = 1;
break;
case 'V':
aa_die_version ();
default:
dieusage (1);
}
}
argc -= optind;
argv += optind;
if (argc == 0)
dieusage (1);
if (ioctl (fd, TIOCSCTTY, steal) < 0)
aa_strerr_warnu1sys ("set controlling terminal");
pathexec_run (argv[0], (char const * const *) argv, envp);
aa_strerr_dieexec (111, argv[0]);
}
int main (int argc, char const *const *argv, char const *const *envp)
{
int fd, fd2 ;
unsigned int flags = 0 ;
int what = -1 ;
int changemode = 0 ;
PROG = "redirfd" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "rwuacxnb", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'r' : what = O_RDONLY ; flags &= ~(O_APPEND|O_CREAT|O_TRUNC|O_EXCL) ; break ;
case 'w' : what = O_WRONLY ; flags |= O_CREAT|O_TRUNC ; flags &= ~(O_APPEND|O_EXCL) ; break ;
case 'u' : what = O_RDWR ; flags &= ~(O_APPEND|O_CREAT|O_TRUNC|O_EXCL) ; break ;
case 'a' : what = O_WRONLY ; flags |= O_CREAT|O_APPEND ; flags &= ~(O_TRUNC|O_EXCL) ; break ;
case 'c' : what = O_WRONLY ; flags |= O_APPEND ; flags &= ~(O_CREAT|O_TRUNC|O_EXCL) ; break ;
case 'x' : what = O_WRONLY ; flags |= O_CREAT|O_EXCL ; flags &= ~(O_APPEND|O_TRUNC) ; break ;
case 'n' : flags |= O_NONBLOCK ; break ;
case 'b' : changemode = 1 ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
}
if ((argc < 3) || (what == -1)) dieusage() ;
if (!uint0_scan(argv[0], (unsigned int *)&fd)) dieusage() ;
flags |= what ;
fd2 = open3(argv[1], flags, 0666) ;
if ((fd2 == -1) && (what == O_WRONLY) && (errno == ENXIO))
{
register int e ;
int fdr = open_read(argv[1]) ;
if (fdr == -1) strerr_diefu2sys(111, "open_read ", argv[1]) ;
fd2 = open3(argv[1], flags, 0666) ;
e = errno ;
fd_close(fdr) ;
errno = e ;
}
if (fd2 == -1) strerr_diefu2sys(111, "open ", argv[1]) ;
if (fd_move(fd, fd2) == -1)
{
char fmt[UINT_FMT] ;
fmt[uint_fmt(fmt, fd2)] = 0 ;
strerr_diefu4sys(111, "move fd ", fmt, " to fd ", argv[0]) ;
}
if (changemode)
{
if (((flags & O_NONBLOCK) ? ndelay_off(fd) : ndelay_on(fd)) < 0)
strerr_diefu1sys(111, "change blocking mode") ;
}
pathexec_run(argv[2], argv+2, envp) ;
strerr_dieexec(111, argv[2]) ;
}
int s6rc_read_uint (char const *file, unsigned int *u)
{
char buf[UINT_FMT + 1] ;
register int r = openreadnclose(file, buf, UINT_FMT) ;
if (r < 0) return (errno == ENOENT) ? 0 : -1 ;
buf[byte_chr(buf, r, '\n')] = 0 ;
if (!uint0_scan(buf, u)) return (errno = EINVAL, -1) ;
return 1 ;
}
int main (int argc, char const *const *argv)
{
unsigned int verbosity = 1 ;
tain_t deadline ;
PROG = "s6-rc-dryrun" ;
{
unsigned int t = 1000 ;
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "v:t:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'v': if (!uint0_scan(l.arg, &verbosity)) dieusage() ; break ;
case 't': if (!uint0_scan(l.arg, &t)) dieusage() ; break ;
default : strerr_dieusage(100, USAGE) ;
}
}
argc -= l.ind ; argv += l.ind ;
tain_from_millisecs(&deadline, t) ;
}
if (!argc) dieusage() ;
if (verbosity)
{
buffer_puts(buffer_1, PROG) ;
buffer_put(buffer_1, ":", 1) ;
for (; *argv ; argv++)
{
buffer_put(buffer_1, " ", 1) ;
buffer_puts(buffer_1, *argv) ;
}
buffer_putflush(buffer_1, "\n", 1) ;
}
tain_now_g() ;
tain_add_g(&deadline, &deadline) ;
deepsleepuntil_g(&deadline) ;
return 0 ;
}
int main (int argc, char const *const *argv, char const *const *envp)
{
unsigned int timeout = 0 ;
int dodelete = 0 ;
PROG = "s6-fdholder-retrieve" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "Dt:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'D' : dodelete = 1 ; break ;
case 't' : if (!uint0_scan(l.arg, &timeout)) dieusage() ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
if (argc < 3) dieusage() ;
}
{
char const *newargv[13 + argc] ;
unsigned int m = 0 ;
char fmtt[UINT_FMT] ;
newargv[m++] = S6_BINPREFIX "s6-ipcclient" ;
newargv[m++] = "-l0" ;
newargv[m++] = "--" ;
newargv[m++] = *argv++ ;
newargv[m++] = S6_BINPREFIX "s6-fdholder-retrievec" ;
if (dodelete) newargv[m++] = "-D" ;
if (timeout)
{
fmtt[uint_fmt(fmtt, timeout)] = 0 ;
newargv[m++] = "-t" ;
newargv[m++] = fmtt ;
}
newargv[m++] = "--" ;
newargv[m++] = *argv++ ;
newargv[m++] = EXECLINE_EXTBINPREFIX "fdclose" ;
newargv[m++] = "6" ;
newargv[m++] = EXECLINE_EXTBINPREFIX "fdclose" ;
newargv[m++] = "7" ;
while (*argv) newargv[m++] = *argv++ ;
newargv[m++] = 0 ;
pathexec_run(newargv[0], newargv, envp) ;
strerr_dieexec(111, newargv[0]) ;
}
}
int main (int argc, char const *const *argv)
{
char fmt[IP6_FMT] ;
char ip[16] ;
unsigned int n ;
unsigned int i = 0 ;
unsigned int what = 0 ;
int finite = 0 ;
PROG = "s6-randomip" ;
for (;;)
{
register int opt = subgetopt(argc, argv, "46n:") ;
if (opt == -1) break ;
switch (opt)
{
case '4' : what |= 1 ; break ;
case '6' : what |= 2 ; break ;
case 'n' :
if (!uint0_scan(subgetopt_here.arg, &n)) dieusage() ;
finite = 1 ;
break ;
default : dieusage() ;
}
}
argc -= subgetopt_here.ind ; argv += subgetopt_here.ind ;
if (!what) what = 1 ;
what = 1 << (1 << what) ;
if (!badrandom_init()) strerr_diefu1sys(111, "init RNG") ;
for (i = 0 ; !finite || (i < n) ; i++)
{
unsigned int len = what ;
if (len > 16)
{
char c ;
if (badrandom_string(&c, 1) < 1)
strerr_diefu1sys(111, "badrandom_string") ;
len = (c & 1) ? 16 : 4 ;
}
if (badrandom_string(ip, len) < 4)
strerr_diefu1sys(111, "badrandom_string") ;
len = (len == 16) ? ip6_fmt(fmt, ip) : ip4_fmt(fmt, ip) ;
fmt[len++] = '\n' ;
if (buffer_put(buffer_1, fmt, len) < (int)len)
strerr_diefu1sys(111, "write to stdout") ;
}
if (!buffer_flush(buffer_1))
strerr_diefu1sys(111, "write to stdout") ;
return 0 ;
}
int main (int argc, char const *const *argv, char const *const *envp)
{
int df = 0 ;
PROG = "heredoc" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "d", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'd' : df = 1 ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
}
if (argc < 3) dieusage() ;
{
int fd[2] ;
unsigned int fdr ;
int pid ;
if (!uint0_scan(argv[0], &fdr)) strerr_dieusage(100, USAGE) ;
if (pipe(fd) < 0) strerr_diefu1sys(111, "pipe") ;
pid = df ? doublefork() : fork() ;
switch (pid)
{
case -1: strerr_diefu2sys(111, df ? "double" : "", "fork") ;
case 0:
{
unsigned int len = str_len(argv[1]) ;
PROG = "heredoc (child)" ;
fd_close(fd[0]) ;
if (allwrite(fd[1], argv[1], len) < len)
strerr_diefu1sys(111, "allwrite") ;
return 0 ;
}
}
fd_close(fd[1]) ;
if (fd_move((int)fdr, fd[0]) == -1)
strerr_diefu2sys(111, "read on fd ", argv[0]) ;
}
pathexec_run(argv[2], argv+2, envp) ;
strerr_dieexec(111, argv[2]) ;
}
int skaserver2_sync (bufalloc *b, char const *before, unsigned int beforelen, char const *after, unsigned int afterlen, struct taia const *deadline, struct taia *stamp)
{
char const *x = env_get("SKACLIENT_ADDITIONAL_FDS") ;
if (x)
{
unsigned int fd ;
if (!uint0_scan(x, &fd)) return (errno = EINVAL, 0) ;
if (!bufalloc_put(bufalloc_1, before, beforelen)) return 0 ;
if (!timed_bufalloc_flush(bufalloc_1, deadline, stamp)) return 0 ;
if (ndelay_on(fd) < 0) return 0 ;
bufalloc_init(b, &fd_write, (int)fd) ;
if (!bufalloc_put(b, after, afterlen)) return 0 ;
if (!timed_bufalloc_flush(b, deadline, stamp)) return 0 ;
return 1 ;
}
else
{
int p[2] ;
if (pipe(p) < 0) return 0 ;
if (ndelay_on(p[1]) < 0) goto fail ;
if (!bufalloc_put(bufalloc_1, before, beforelen)) goto fail ;
{
char pack[4] ;
uint32_pack_big(pack, 1) ;
if (!bufalloc_put(bufalloc_1, pack, 4)) goto fail ;
}
if (!timed_bufalloc_flush(bufalloc_1, deadline, stamp)) goto fail ;
if (!timed_ancil_fd_send(1, p[0], deadline, stamp)) goto fail ;
if (!bufalloc_put(bufalloc_1, after, afterlen)) goto fail ;
if (!timed_bufalloc_flush(bufalloc_1, deadline, stamp)) goto fail ;
#ifndef HASANCILAUTOCLOSE
fd_close(p[0]) ;
#endif
bufalloc_init(b, &fd_write, p[1]) ;
return 1 ;
fail:
{
register int e = errno ;
fd_close(p[1]) ;
fd_close(p[0]) ;
errno = e ;
}
return 0 ;
}
}
int exlsn_exlp (int argc, char const **argv, char const *const *envp, exlsn_t *info)
{
subgetopt_t localopt = SUBGETOPT_ZERO ;
unsigned int nmin = 0 ;
int n ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "P:", &localopt) ;
if (opt < 0) break ;
switch (opt)
{
case 'P' : if (uint0_scan(localopt.arg, &nmin)) break ;
default : return -3 ;
}
}
argc -= localopt.ind ; argv += localopt.ind ;
if (!argc) return -3 ;
n = exlp(nmin, envp, info) ;
if (n < 0) return n ;
return localopt.ind ;
}
int main (int argc, char const *const *argv)
{
tain_t deadline, tto ;
ftrigr_t a = FTRIGR_ZERO ;
uint16 id ;
char pack[2] = " \n" ;
PROG = "s6-ftrig-wait" ;
{
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) tain_from_millisecs(&tto, t) ;
else tto = tain_infinite_relative ;
argc -= subgetopt_here.ind ; argv += subgetopt_here.ind ;
}
if (argc < 2) strerr_dieusage(100, USAGE) ;
tain_now_g() ;
tain_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]) ;
if (ftrigr_wait_or_g(&a, &id, 1, &deadline, &pack[0]) == -1)
strerr_diefu2sys((errno == ETIMEDOUT) ? 1 : 111, "match regexp on ", argv[1]) ;
if (allwrite(1, pack, 2) < 2) strerr_diefu1sys(111, "write to stdout") ;
return 0 ;
}
int
main (int argc, char * const argv[])
{
PROG = "aa-start";
const char *path_repo = "/run/services";
const char *path_list = NULL;
int i;
aa_secs_timeout = DEFAULT_TIMEOUT_SECS;
for (;;)
{
struct option longopts[] = {
{ "double-output", no_argument, NULL, 'D' },
{ "help", no_argument, NULL, 'h' },
{ "listdir", required_argument, NULL, 'l' },
{ "dry-list", no_argument, NULL, 'n' },
{ "repodir", required_argument, NULL, 'r' },
{ "timeout", required_argument, NULL, 't' },
{ "version", no_argument, NULL, 'V' },
{ "verbose", no_argument, NULL, 'v' },
{ "no-wants", no_argument, NULL, 'W' },
{ NULL, 0, 0, 0 }
};
int c;
c = getopt_long (argc, argv, "Dhl:nr:t:VvW", longopts, NULL);
if (c == -1)
break;
switch (c)
{
case 'D':
aa_set_double_output (1);
break;
case 'h':
dieusage (0);
case 'l':
unslash (optarg);
path_list = optarg;
break;
case 'n':
if (mode & AA_MODE_IS_DRY)
mode |= AA_MODE_IS_DRY_FULL;
else
mode |= AA_MODE_IS_DRY;
break;
case 'r':
unslash (optarg);
path_repo = optarg;
break;
case 't':
if (!uint0_scan (optarg, &aa_secs_timeout))
aa_strerr_diefu2sys (ERR_IO, "set default timeout to ", optarg);
break;
case 'V':
aa_die_version ();
case 'v':
verbose = 1;
break;
case 'W':
no_wants = 1;
break;
default:
dieusage (1);
}
}
argc -= optind;
argv += optind;
cols = get_cols (1);
is_utf8 = is_locale_utf8 ();
if (!path_list && argc < 1)
dieusage (1);
if (aa_init_repo (path_repo, (mode & AA_MODE_IS_DRY) ? AA_REPO_READ : AA_REPO_WRITE) < 0)
aa_strerr_diefu2sys (ERR_IO, "init repository ", path_repo);
if (path_list)
{
stralloc sa = STRALLOC_ZERO;
int r;
if (*path_list != '/' && *path_list != '.')
stralloc_cats (&sa, LISTDIR_PREFIX);
stralloc_catb (&sa, path_list, strlen (path_list) + 1);
r = aa_scan_dir (&sa, 1, it_start, NULL);
stralloc_free (&sa);
if (r < 0)
aa_strerr_diefu3sys (-r, "read list directory ",
(*path_list != '/' && *path_list != '.') ? LISTDIR_PREFIX : path_list,
(*path_list != '/' && *path_list != '.') ? path_list : "");
}
tain_now_g ();
for (i = 0; i < argc; ++i)
if (str_equal (argv[i], "-"))
{
if (process_names_from_stdin ((names_cb) add_service, NULL) < 0)
aa_strerr_diefu1sys (ERR_IO, "process names from stdin");
}
else
add_service (argv[i], NULL);
mainloop (mode, scan_cb);
if (!(mode & AA_MODE_IS_DRY))
{
aa_bs_noflush (AA_OUT, "\n");
put_title (1, PROG, "Completed.", 1);
aa_show_stat_nb (nb_already, "Already up", ANSI_HIGHLIGHT_GREEN_ON);
aa_show_stat_nb (nb_done, "Started", ANSI_HIGHLIGHT_GREEN_ON);
show_stat_service_names (&ga_timedout, "Timed out", ANSI_HIGHLIGHT_RED_ON);
show_stat_service_names (&ga_failed, "Failed", ANSI_HIGHLIGHT_RED_ON);
show_stat_service_names (&ga_depend, "Dependency failed", ANSI_HIGHLIGHT_RED_ON);
aa_show_stat_names (aa_names.s, &ga_io, "I/O error", ANSI_HIGHLIGHT_RED_ON);
aa_show_stat_names (aa_names.s, &ga_unknown, "Unknown", ANSI_HIGHLIGHT_RED_ON);
aa_show_stat_names (aa_names.s, &ga_skipped, "Skipped", ANSI_HIGHLIGHT_YELLOW_ON);
}
genalloc_free (int, &ga_timedout);
genalloc_free (int, &ga_failed);
genalloc_free (int, &ga_depend);
genalloc_free (size_t, &ga_io);
genalloc_free (size_t, &ga_unknown);
genalloc_free (size_t, &ga_skipped);
genalloc_free (pid_t, &ga_pid);
genalloc_free (int, &aa_tmp_list);
genalloc_free (int, &aa_main_list);
stralloc_free (&aa_names);
genalloc_deepfree (struct progress, &ga_progress, free_progress);
aa_free_services (close_fd);
genalloc_free (iopause_fd, &ga_iop);
return rc;
}
int main (int argc, char const *const *argv, char const *const *envp)
{
char data[DATASIZE+1] = "-" ;
unsigned int datalen = 1 ;
unsigned int timeout = 0 ;
char updown[3] = "-\0" ;
PROG = "s6-svc" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "abqhkti12pcoduxOXyT:w:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'a' :
case 'b' :
case 'q' :
case 'h' :
case 'k' :
case 't' :
case 'i' :
case '1' :
case '2' :
case 'p' :
case 'c' :
case 'o' :
case 'd' :
case 'u' :
case 'x' :
case 'O' :
case 'X' :
case 'y' :
{
if (datalen >= DATASIZE) strerr_dief1x(100, "too many commands") ;
data[datalen++] = opt ;
break ;
}
case 'T' : if (!uint0_scan(l.arg, &timeout)) dieusage() ; break ;
case 'w' :
{
if (byte_chr("dDuUrR", 6, l.arg[0]) >= 6) dieusage() ;
updown[1] = l.arg[0] ;
break ;
}
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
}
if (!argc) dieusage() ;
if (argc > 1) strerr_warn1x("ignoring extra arguments") ;
if (datalen <= 1) return 0 ;
if (updown[1] == 'U' || updown[1] == 'R')
{
unsigned int arglen = str_len(argv[0]) ;
char fn[arglen + 17] ;
byte_copy(fn, arglen, argv[0]) ;
byte_copy(fn + arglen, 17, "/notification-fd") ;
if (access(fn, F_OK) < 0)
{
if (errno != ENOENT) strerr_diefu2sys(111, "access ", fn) ;
updown[1] = updown[1] == 'U' ? 'u' : 'r' ;
strerr_warnw2x(fn, " not present - ignoring request for readiness notification") ;
}
}
if (updown[1])
{
char const *newargv[11] ;
unsigned int m = 0 ;
char fmt[UINT_FMT] ;
newargv[m++] = S6_BINPREFIX "s6-svlisten1" ;
newargv[m++] = updown ;
if (timeout)
{
fmt[uint_fmt(fmt, timeout)] = 0 ;
newargv[m++] = "-t" ;
newargv[m++] = fmt ;
}
newargv[m++] = "--" ;
newargv[m++] = argv[0] ;
newargv[m++] = S6_BINPREFIX "s6-svc" ;
newargv[m++] = data ;
newargv[m++] = "--" ;
newargv[m++] = argv[0] ;
newargv[m++] = 0 ;
pathexec_run(newargv[0], newargv, envp) ;
strerr_dieexec(111, newargv[0]) ;
}
else
{
register int r = s6_svc_writectl(argv[0], S6_SUPERVISE_CTLDIR, data + 1, datalen - 1) ;
if (r < 0) strerr_diefu2sys(111, "control ", argv[0]) ;
else if (!r) strerr_diefu3x(100, "control ", argv[0], ": supervisor not listening") ;
}
return 0 ;
}
int main (int argc, char const *const *argv)
{
tain_t deadline, tto ;
unsigned int dirlen ;
char const *live = S6RC_LIVE_BASE ;
char const *compiled = S6RC_COMPILED_BASE ;
PROG = "s6-rc-init" ;
{
unsigned int t = 0 ;
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "c:l:t:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'c' : compiled = l.arg ; break ;
case 'l' : live = l.arg ; break ;
case 't' : if (!uint0_scan(l.arg, &t)) dieusage() ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
if (t) tain_from_millisecs(&tto, t) ;
else tto = tain_infinite_relative ;
}
if (!argc) dieusage() ;
if (compiled[0] != '/')
strerr_dief2x(100, compiled, " is not an absolute path") ;
if (live[0] != '/')
strerr_dief2x(100, live, " is not an absolute path") ;
if (argv[0][0] != '/')
strerr_dief2x(100, argv[0], " is not an absolute path") ;
tain_now_g() ;
tain_add_g(&deadline, &tto) ;
if (!s6rc_sanitize_dir(&satmp, live, &dirlen)) dienomem() ;
llen = satmp.len ;
if (!stralloc_cats(&satmp, ":initial") || !stralloc_0(&satmp))
strerr_diefu1sys(111, "stralloc_catb") ;
{
int fdlock ;
int fdcompiled ;
int ok ;
s6rc_db_t db ;
unsigned int n ;
char lfn[llen + 13] ;
char cfn[llen + 23] ;
/* Create the real dir, lock it, symlink */
unlink(live) ;
rm_rf(satmp.s) ;
if (mkdir(satmp.s, 0755) < 0) strerr_diefu2sys(111, "mkdir ", satmp.s) ;
if (!s6rc_lock(satmp.s, 2, &fdlock, 0, 0, 0))
{
char tmp[satmp.len] ;
byte_copy(tmp, satmp.len, satmp.s) ;
cleanup() ;
strerr_diefu2sys(111, "take lock on ", tmp) ;
}
byte_copy(lfn, llen, satmp.s) ;
lfn[llen] = 0 ;
if (symlink(satmp.s + dirlen, lfn) < 0)
{
char tmp[satmp.len - dirlen] ;
byte_copy(tmp, satmp.len - dirlen, satmp.s + dirlen) ;
cleanup() ;
strerr_diefu4sys(111, "symlink ", tmp, " to ", lfn) ;
}
/* compiled */
fdcompiled = open_readb(compiled) ;
if (fdcompiled < 0)
{
cleanup() ;
strerr_diefu2sys(111, "open ", compiled) ;
}
byte_copy(lfn + llen, 10, "/compiled") ;
if (symlink(compiled, lfn) < 0)
{
cleanup() ;
strerr_diefu4sys(111, "symlink ", compiled, " to ", lfn) ;
}
/* scandir */
byte_copy(lfn + llen + 1, 8, "scandir") ;
if (symlink(argv[0], lfn) < 0)
{
cleanup() ;
strerr_diefu4sys(111, "symlink ", argv[0], " to ", lfn) ;
}
/* state */
byte_copy(lfn + llen + 1, 6, "state") ;
{
register int r = s6rc_db_read_sizes(fdcompiled, &db) ;
if (r <= 0)
{
cleanup() ;
if (r < 0) strerr_diefu2sys(111, "read database size in ", compiled) ;
else strerr_dief2x(4, "invalid database size in ", compiled) ;
}
close(fdcompiled) ;
n = db.nshort + db.nlong ;
{
char zero[n] ;
byte_zero(zero, n) ;
if (!openwritenclose_unsafe(lfn, zero, n))
{
cleanup() ;
strerr_diefu2sys(111, "write ", lfn) ;
}
}
}
/* servicedirs */
byte_copy(lfn + llen + 1, 12, "servicedirs") ;
byte_copy(cfn, llen + 1, lfn) ;
byte_copy(cfn + llen + 1, 21, "compiled/servicedirs") ;
if (!hiercopy(cfn, lfn))
{
cleanup() ;
strerr_diefu4sys(111, "recursively copy ", cfn, " to ", lfn) ;
}
/* start the supervisors */
lfn[llen] = 0 ;
ok = s6rc_servicedir_manage_g(lfn, &deadline) ;
if (!ok)
{
cleanup() ;
strerr_diefu3sys(111, "supervise service directories in ", lfn, "/servicedirs") ;
}
if (ok & 2)
strerr_warnw3x("s6-svscan not running on ", lfn, "/scandir") ;
}
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 **argv, char const *const *envp)
{
tain_t deadline, tto ;
int spfd ;
int argc1 ;
int or = 0 ;
int wantup = 1, wantready = 0, wantrestart = 0 ;
PROG = "s6-svlisten" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
unsigned int t = 0 ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "uUdDrRaot:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'u' : wantup = 1 ; wantready = 0 ; break ;
case 'U' : wantup = 1 ; wantready = 1 ; break ;
case 'd' : wantup = 0 ; wantready = 0 ; break ;
case 'D' : wantup = 0 ; wantready = 1 ; break ;
case 'r' : wantrestart = 1 ; wantready = 0 ; break ;
case 'R' : wantrestart = 1 ; wantready = 1 ; break ;
case 'a' : or = 0 ; break ;
case 'o' : or = 1 ; break ;
case 't' : if (!uint0_scan(l.arg, &t)) dieusage() ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
if (t) tain_from_millisecs(&tto, t) ; else tto = tain_infinite_relative ;
}
if (argc < 3) dieusage() ;
argc1 = el_semicolon(argv) ;
if (!argc1 || argc == argc1 + 1) dieusage() ;
if (argc1 >= argc) strerr_dief1x(100, "unterminated servicedir block") ;
if (wantrestart && or)
{
or = 0 ;
strerr_warnw3x("-o is unsupported when combined with -", wantready ? "R" : "r", "- using -a instead") ;
}
tain_now_g() ;
tain_add_g(&deadline, &tto) ;
spfd = s6_svlisten_selfpipe_init() ;
{
s6_svlisten_t foo = S6_SVLISTEN_ZERO ;
pid_t pid ;
uint16 ids[argc1] ;
unsigned char upstate[bitarray_div8(argc1)] ;
unsigned char readystate[bitarray_div8(argc1)] ;
s6_svlisten_init(argc1, argv, &foo, ids, upstate, readystate, &deadline) ;
pid = child_spawn0(argv[argc1 + 1], argv + argc1 + 1, envp) ;
if (!pid) strerr_diefu2sys(111, "spawn ", argv[argc1 + 1]) ;
if (wantrestart)
{
argc1 = s6_svlisten_loop(&foo, 0, 1, or, &deadline, spfd, &s6_svlisten_signal_handler) ;
if (argc1) return argc1 ;
wantup = 1 ;
}
return s6_svlisten_loop(&foo, wantup, wantready, or, &deadline, spfd, &s6_svlisten_signal_handler) ;
}
}
int main (int argc, char const *const *argv, char const *const *envp)
{
unsigned int kbufsz = 65536, verbosity = 1 ;
char const *linevar = 0 ;
char const *targ = 0 ;
PROG = "s6-devd" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "qvb:l:t:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'q' : if (verbosity) verbosity-- ; break ;
case 'v' : verbosity++ ; break ;
case 'b' : if (!uint0_scan(l.arg, &kbufsz)) dieusage() ; break ;
case 'l' : linevar = l.arg ; break ;
case 't' : if (!check_targ(l.arg)) dieusage() ; targ = l.arg ; break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
}
if (!argc) strerr_dieusage(100, USAGE) ;
{
unsigned int m = 0, pos = 0 ;
char fmt[UINT_FMT * 3] ;
char const *newargv[argc + 15] ;
newargv[m++] = S6_LINUX_UTILS_BINPREFIX "s6-uevent-listener" ;
if (verbosity != 1)
{
newargv[m++] = "-v" ;
newargv[m++] = fmt + pos ;
pos += uint_fmt(fmt + pos, verbosity) ;
fmt[pos++] = 0 ;
}
if (kbufsz != 65536)
{
newargv[m++] = "-b" ;
newargv[m++] = fmt + pos ;
pos += uint_fmt(fmt + pos, kbufsz) ;
fmt[pos++] = 0 ;
}
newargv[m++] = "--" ;
newargv[m++] = S6_LINUX_UTILS_BINPREFIX "s6-uevent-spawner" ;
if (verbosity != 1)
{
newargv[m++] = "-v" ;
newargv[m++] = fmt + pos ;
pos += uint_fmt(fmt + pos, verbosity) ;
fmt[pos++] = 0 ;
}
if (linevar)
{
newargv[m++] = "-l" ;
newargv[m++] = linevar ;
}
if (targ)
{
newargv[m++] = "-t" ;
newargv[m++] = targ ;
}
newargv[m++] = "--" ;
while (*argv) newargv[m++] = *argv++ ;
newargv[m++] = 0 ;
pathexec_run(newargv[0], newargv, envp) ;
strerr_dieexec(111, newargv[0]) ;
}
}
int main (int argc, char const *const *argv, char const *const *envp)
{
unsigned int strict = el_getstrict() ;
unsigned int b = 0 ;
unsigned int n = 0 ;
unsigned int sharp ;
unsigned int i = 0 ;
PROG = "shift" ;
{
subgetopt_t l = SUBGETOPT_ZERO ;
for (;;)
{
register int opt = subgetopt_r(argc, argv, "n:b:", &l) ;
if (opt == -1) break ;
switch (opt)
{
case 'n' :
if (!uint0_scan(l.arg, &n)) dieusage() ;
i = 1 ;
break ;
case 'b' :
if (!uint0_scan(l.arg, &b)) dieusage() ;
i = 1 ;
break ;
default : dieusage() ;
}
}
argc -= l.ind ; argv += l.ind ;
}
if (!argc) dieusage() ;
if (i) i = 0 ; else n = 1 ;
{
char const *x = env_get2(envp, "#") ;
if (!x) strerr_dienotset(100, "#") ;
if (!uint0_scan(x, &sharp)) strerr_dieinvalid(100, "#") ;
}
/* Shift n args */
if (n > sharp)
{
if (strict)
{
char fmtn[UINT_FMT] ;
char fmtsharp[UINT_FMT] ;
fmtn[uint_fmt(fmtn, n)] = 0 ;
fmtsharp[uint_fmt(fmtsharp, sharp)] = 0 ;
if (strict == 1)
strerr_warnwu5x("shift", " ", fmtn, " arguments: got ", fmtsharp) ;
else
strerr_diefu5x(100, "shift", " ", fmtn, " arguments: got ", fmtsharp) ;
}
n = sharp ;
}
/* Shift b blocks */
for (; i < b ; i++)
{
for (;;)
{
char const *x ;
unsigned int base = n ;
char fmt[UINT_FMT] ;
fmt[uint_fmt(fmt, ++n)] = 0 ;
if (n > sharp)
{
char fmti[UINT_FMT] ;
fmti[uint_fmt(fmt, i)] = 0 ;
strerr_diefu6x(100, "shift", " block ", fmti, ": too few arguments (", fmt, ")") ;
}
x = env_get2(envp, fmt) ;
if (!x) strerr_dienotset(100, fmt) ;
if ((x[0] == EXECLINE_BLOCK_END_CHAR) && (!EXECLINE_BLOCK_END_CHAR || !x[1])) break ;
if ((x[0] != EXECLINE_BLOCK_QUOTE_CHAR) && strict)
{
char fmti[UINT_FMT] ;
char fmtp[UINT_FMT] ;
fmti[uint_fmt(fmti, i)] = 0 ;
fmtp[uint_fmt(fmtp, n - base)] = 0 ;
if (strict == 1)
strerr_warnw6x("unquoted positional ", x, " at block ", fmti, " position ", fmtp) ;
else
strerr_dief6x(100, "unquoted positional ", x, " at block ", fmti, " position ", fmtp) ;
}
}
}
/* n = shift value; modify the env */
{
register unsigned int i = 1 ;
char fmt[UINT_FMT] ;
fmt[uint_fmt(fmt, sharp - n)] = 0 ;
if (!pathexec_env("#", fmt)) strerr_diefu1sys(111, "pathexec_env") ;
for (; i <= sharp ; i++)
{
char fmu[UINT_FMT] ;
fmt[uint_fmt(fmt, i)] = 0 ;
fmu[uint_fmt(fmu, i + n)] = 0 ;
if (!pathexec_env(fmt, i <= (sharp - n) ? env_get2(envp, fmu) : 0))
strerr_diefu1sys(111, "pathexec_env") ;
}
}
pathexec(argv) ;
strerr_dieexec(111, argv[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 ;
}
