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-rw-r--r--src/s6/deps-exe/s61
-rw-r--r--src/s6/s6-internal.h1
-rw-r--r--src/s6/s6.c3
-rw-r--r--src/s6/service_start.c79
4 files changed, 78 insertions, 6 deletions
diff --git a/src/s6/deps-exe/s6 b/src/s6/deps-exe/s6
index e3cd3b7..1d03ef1 100644
--- a/src/s6/deps-exe/s6
+++ b/src/s6/deps-exe/s6
@@ -11,5 +11,6 @@ service_start.o
service_status.o
service_stop.o
libs6f.a.xyzzy
+-ls6rc
-ls6
-lskarnet
diff --git a/src/s6/s6-internal.h b/src/s6/s6-internal.h
index 34a9c16..6ee3939 100644
--- a/src/s6/s6-internal.h
+++ b/src/s6/s6-internal.h
@@ -70,6 +70,7 @@ struct global_s
.live = S6_FRONTEND_LIVEDIR, \
.repo = S6_FRONTEND_REPODIR, \
.boot = S6_FRONTEND_BOOTDIR, \
+ .stmp = S6_FRONTEND_STMPDIR, \
}, \
.userstorage = STRALLOC_ZERO, \
.isuser = 0, \
diff --git a/src/s6/s6.c b/src/s6/s6.c
index 8d5295c..2467f3c 100644
--- a/src/s6/s6.c
+++ b/src/s6/s6.c
@@ -42,6 +42,7 @@ enum main_gola_e
MAIN_GOLA_LIVEDIR,
MAIN_GOLA_REPODIR,
MAIN_GOLA_BOOTDIR,
+ MAIN_GOLA_STMPDIR,
MAIN_GOLA_VERBOSITY,
MAIN_GOLA_COLOR,
MAIN_GOLA_N
@@ -60,6 +61,7 @@ static gol_arg const main_gola[MAIN_GOLA_N] =
{ .so = 'l', .lo = "livedir", .i = MAIN_GOLA_LIVEDIR },
{ .so = 'r', .lo = "repodir", .i = MAIN_GOLA_REPODIR },
{ .so = 'b', .lo = "bootdir", .i = MAIN_GOLA_BOOTDIR },
+ { .so = 0, .lo = "stmpdir", .i = MAIN_GOLA_STMPDIR },
{ .so = 'v', .lo = "verbosity", .i = MAIN_GOLA_VERBOSITY },
{ .so = 0, .lo = "color", .i = MAIN_GOLA_COLOR }
} ;
@@ -98,6 +100,7 @@ int main (int argc, char const *const *argv, char const *const *envp)
if (gola[MAIN_GOLA_LIVEDIR]) g->dirs.live = gola[MAIN_GOLA_LIVEDIR] ;
if (gola[MAIN_GOLA_REPODIR]) g->dirs.repo = gola[MAIN_GOLA_REPODIR] ;
if (gola[MAIN_GOLA_BOOTDIR]) g->dirs.boot = gola[MAIN_GOLA_BOOTDIR] ;
+ if (gola[MAIN_GOLA_STMPDIR]) g->dirs.stmp = gola[MAIN_GOLA_STMPDIR] ;
{
int force_color = 0 ;
diff --git a/src/s6/service_start.c b/src/s6/service_start.c
index 8e876ea..90a3087 100644
--- a/src/s6/service_start.c
+++ b/src/s6/service_start.c
@@ -1,11 +1,19 @@
/* ISC license. */
+#include <string.h>
+#include <sys/wait.h>
+
+#include <skalibs/posixplz.h>
#include <skalibs/uint64.h>
+#include <skalibs/types.h>
#include <skalibs/strerr.h>
#include <skalibs/gol.h>
#include <skalibs/env.h>
+#include <skalibs/cspawn.h>
+#include <skalibs/djbunix.h>
#include <s6-rc/config.h>
+#include <s6-rc/s6rc-utils.h>
#include "s6-internal.h"
@@ -19,6 +27,12 @@ enum service_start_golb_e
SERVICE_START_GOLB_N
} ;
+enum service_start_gola_e
+{
+ SERVICE_START_GOLA_TIMEOUT,
+ SERVICE_START_GOLA_N
+} ;
+
static gol_bool const service_start_golb[3] =
{
{ .so = 'n', .lo = "dryrun", .set = 1, .mask = 1 << SERVICE_START_GOLB_DRYRUN },
@@ -26,30 +40,83 @@ static gol_bool const service_start_golb[3] =
{ .so = 'w', .lo = "wait", .set = 1, .mask = 1 << SERVICE_START_GOLB_WAIT }
} ;
+static gol_arg const service_start_gola[SERVICE_START_GOLA_N] =
+{
+ { .so = 't', .lo = "timeout", .i = SERVICE_START_GOLA_TIMEOUT }
+} ;
+
int service_start (char const *const *argv)
{
- size_t argc = env_len(argv) ;
+ char const *gola[SERVICE_START_GOLA_N] = { 0 } ;
uint64_t golb = 0 ;
+ unsigned int t = 0 ;
+ size_t argc = env_len(argv) ;
+ pid_t pid ;
+ int wstat ;
+ uint32_t nlong, nshort, n ;
+ int livelock, compiledlock ;
+ size_t livelen = strlen(g->dirs.live) ;
PROG = "s6 service start" ;
- argv += gol_argv(argv, service_start_golb, 0, 0, 0, &golb, 0) ;
- if (!argv) dieusage() ;
+ argv += gol_argv(argv, service_start_golb, 3, service_start_gola, SERVICE_START_GOLA_N, &golb, gola) ;
+ if (!*argv) dieusage() ;
+
+ if (gola[SERVICE_START_GOLA_TIMEOUT])
+ {
+ if (!uint0_scan(gola[SERVICE_START_GOLA_TIMEOUT], &t))
+ strerr_dief1x(100, "timeout must be an integer (milliseconds)") ;
+ }
+ s6f_lock(g->dirs.stmp, 0) ; /* leaks, it's fine */
+ char dbfn[livelen + 10] ;
+ memcpy(dbfn, g->dirs.live, livelen) ;
+ memcpy(dbfn + livelen, "/compiled", 10) ;
+ if (!s6rc_lock(g->dirs.live, 2, &livelock, dbfn, 1, &compiledlock, 1))
+ strerr_diefu2sys(111, "take lock in ", g->dirs.live) ;
+ if (!s6rc_live_state_size(g->dirs.live, &nlong, &nshort))
+ strerr_diefu2sys(111, "read state size in ", g->dirs.live) ;
+ n = nlong + nshort ;
+ unsigned char oldstate[n] ;
+ if (!s6rc_live_state_read(g->dirs.live, oldstate, n))
+ strerr_diefu2sys(111, "read state in ", g->dirs.live) ;
{
size_t m = 0 ;
- char const *newargv[10 + argc] ;
+ char const *newargv[13 + argc] ;
char fmtv[UINT_FMT] ;
+ char fmtt[UINT_FMT] ;
- newargv[m++] = S6RC_EXTBINPREFIX "s6-rc" ;
+ newargv[m++] = S6RC_EXTBINPREFIX "s6-rc" ;
+ newargv[m++] = "-X" ; /* we already took the locks */
newargv[m++] = "-v" ;
newargv[m++] = fmtv ;
fmtv[uint_fmt(fmtv, g->verbosity)] = 0 ;
+ if (t)
+ {
+ newargv[m++] = "-t" ;
+ newargv[m++] = fmtt ;
+ fmtt[uint_fmt(fmtt, t)] = 0 ;
+ }
if (golb & 1 << SERVICE_START_GOLB_DRYRUN)
{
newargv[m++] = "-n" ;
newargv[m++] = "1" ;
}
+ newargv[m++] = "-l" ;
+ newargv[m++] = g->dirs.live ;
newargv[m++] = "--" ;
+ newargv[m++] = "start" ;
+ while (*argv) newargv[m++] = *argv++ ;
+ newargv[m++] = 0 ;
+ pid = cspawn(newargv[0], newargv, (char const *const *)environ, CSPAWN_FLAGS_SIGBLOCKNONE, 0, 0) ;
+ if (!pid) strerr_diefu2sys(111, "spawn ", newargv[0]) ;
}
- return 0 ;
+ if (wait_pid(pid, &wstat) <= 0) strerr_diefu1sys(111, "wait for s6-rc") ;
+ if ((WIFEXITED(wstat) && !WEXITSTATUS(wstat)) || !g->verbosity)
+ return wait_estatus(wstat) ;
+
+ unsigned char newstate[n] ;
+ if (!s6rc_live_state_read(g->dirs.live, newstate, n))
+ strerr_diefu2sys(111, "read state in ", g->dirs.live) ;
+ s6f_report_state_change(n, oldstate, newstate, dbfn) ;
+ return wait_estatus(wstat) ;
}