runit: add runsv, runsvdir and sv. Oh yes.

It even seems to work. +11K. :(

6 files changed, 64 insertions, 17 deletions

diff --git a/include/applets.h b/include/applets.h
index c4c75a83f..78fa68861 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -246,6 +246,8 @@ USE_RPM(APPLET(rpm, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_RPM2CPIO(APPLET(rpm2cpio, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_RUN_PARTS(APPLET_ODDNAME(run-parts, run_parts, _BB_DIR_BIN, _BB_SUID_NEVER, run_parts))
 USE_RUNLEVEL(APPLET(runlevel, _BB_DIR_SBIN, _BB_SUID_NEVER))
+USE_RUNSV(APPLET(runsv, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
+USE_RUNSVDIR(APPLET(runsvdir, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_RX(APPLET(rx, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_SED(APPLET(sed, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_SEQ(APPLET(seq, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
@@ -270,6 +272,7 @@ USE_STTY(APPLET(stty, _BB_DIR_BIN, _BB_SUID_NEVER))
 USE_SU(APPLET(su, _BB_DIR_BIN, _BB_SUID_ALWAYS))
 USE_SULOGIN(APPLET(sulogin, _BB_DIR_SBIN, _BB_SUID_NEVER))
 USE_SUM(APPLET(sum, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
+USE_SV(APPLET(sv, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_SVLOGD(APPLET(svlogd, _BB_DIR_USR_BIN, _BB_SUID_NEVER))
 USE_SWAPONOFF(APPLET_ODDNAME(swapoff, swap_on_off, _BB_DIR_SBIN, _BB_SUID_NEVER,swapoff))
 USE_SWAPONOFF(APPLET_ODDNAME(swapon, swap_on_off, _BB_DIR_SBIN, _BB_SUID_NEVER, swapon))
diff --git a/include/usage.h b/include/usage.h
index f1b4b351a..77986fea7 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -2571,6 +2571,16 @@ USE_FEATURE_MDEV_CONFIG( \
         "$ runlevel /var/run/utmp\n" \
         "N 2"
 
+#define runsv_trivial_usage \
+        "dir"
+#define runsv_full_usage \
+        "Start and monitor a service and optionally an appendant log service."
+
+#define runsvdir_trivial_usage \
+        "[-P] dir"
+#define runsvdir_full_usage \
+        "Start a runsv process for each subdirectory."
+
 #define rx_trivial_usage \
         "FILE"
 #define rx_full_usage \
@@ -2844,6 +2854,12 @@ USE_FEATURE_START_STOP_DAEMON_FANCY( \
         "\t-r\tuse BSD sum algorithm (1K blocks)\n" \
         "\t-s\tuse System V sum algorithm (512byte blocks)"
 
+#define sv_trivial_usage \
+        "[-v] [-w sec] command service..."
+#define sv_full_usage \
+        "Report the current status and control the state of services " \
+        "monitored by the runsv supervisor."
+
 #define svlogd_trivial_usage \
         "[-ttv] [-r c] [-R abc] [-l len] [-b buflen] dir..."
 #define svlogd_full_usage \
diff --git a/runit/Config.in b/runit/Config.in
index c849c074c..8a7deea72 100644
--- a/runit/Config.in
+++ b/runit/Config.in
@@ -5,6 +5,28 @@
 
 menu "Runit Utilities"
 
+config RUNSV
+        bool "runsv"
+        default n
+        help
+          runsv starts and monitors a service and optionally an appendant log
+          service.
+
+config RUNSVDIR
+        bool "runsvdir"
+        default n
+        help
+          runsvdir starts a runsv process for each subdirectory, or symlink to
+          a directory, in the services directory dir, up to a limit of 1000
+          subdirectories, and restarts a runsv process if it terminates.
+
+config SV
+        bool "sv"
+        default n
+        help
+          sv reports the current status and controls the state of services
+          monitored by the runsv supervisor.
+
 config SVLOGD
         bool "svlogd"
         default n
diff --git a/runit/Kbuild b/runit/Kbuild
index 730035632..ad1706cb6 100644
--- a/runit/Kbuild
+++ b/runit/Kbuild
@@ -5,5 +5,8 @@
 # Licensed under the GPL v2, see the file LICENSE in this tarball.
 
 lib-y:=
-lib-$(CONFIG_CHPST) += chpst.o
+lib-$(CONFIG_RUNSV) += runsv.o runit_lib.o
+lib-$(CONFIG_RUNSVDIR) += runsvdir.o runit_lib.o
+lib-$(CONFIG_SV) += sv.o runit_lib.o
 lib-$(CONFIG_SVLOGD) += svlogd.o runit_lib.o
+lib-$(CONFIG_CHPST) += chpst.o
diff --git a/runit/runit_lib.c b/runit/runit_lib.c
index 322bef858..c95d641f1 100644
--- a/runit/runit_lib.c
+++ b/runit/runit_lib.c
@@ -519,6 +519,7 @@ void taia_uint(struct taia *t,unsigned s)
 
 
 /*** stralloc_cat.c ***/
+#if 0
 
 int stralloc_cat(stralloc *sato,const stralloc *safrom)
 {
@@ -577,6 +578,7 @@ int stralloc_copys(stralloc *sa,const char *s)
 
 GEN_ALLOC_append(stralloc,char,s,len,a,i,n,x,30,stralloc_readyplus,stralloc_append)
 
+#endif /* stralloc */
 
 /*** iopause.c ***/
 
@@ -643,7 +645,7 @@ int ndelay_on(int fd)
 
 int open_append(const char *fn)
 {
-        return open(fn,O_WRONLY | O_NDELAY | O_APPEND | O_CREAT,0600);
+        return open(fn, O_WRONLY|O_NDELAY|O_APPEND|O_CREAT, 0600);
 }
 
 
@@ -651,7 +653,7 @@ int open_append(const char *fn)
 
 int open_read(const char *fn)
 {
-        return open(fn,O_RDONLY | O_NDELAY);
+        return open(fn, O_RDONLY|O_NDELAY);
 }
 
 
@@ -667,12 +669,12 @@ int open_trunc(const char *fn)
 
 int open_write(const char *fn)
 {
-        return open(fn,O_WRONLY | O_NDELAY);
+        return open(fn, O_WRONLY|O_NDELAY);
 }
 
 
 /*** openreadclose.c ***/
-
+#if 0
 int openreadclose(const char *fn,stralloc *sa,unsigned bufsize)
 {
         int fd;
@@ -684,10 +686,11 @@ int openreadclose(const char *fn,stralloc *sa,unsigned bufsize)
         if (readclose(fd,sa,bufsize) == -1) return -1;
         return 1;
 }
+#endif
 
 
 /*** pathexec_env.c ***/
-
+#if 0
 static stralloc plus;
 static stralloc tmp;
 
@@ -748,10 +751,10 @@ void pathexec(char **argv)
         pathexec_run(*argv,argv,e);
         free(e);
 }
-
+#endif
 
 /*** pathexec_run.c ***/
-
+#if 0
 static stralloc tmp;
 
 void pathexec_run(const char *file,char *const *argv,char *const *envp)
@@ -792,7 +795,7 @@ void pathexec_run(const char *file,char *const *argv,char *const *envp)
                 path += 1;
         }
 }
-
+#endif
 
 /*** pmatch.c ***/
 
@@ -853,7 +856,7 @@ int prot_uid(int uid)
 
 
 /*** readclose.c ***/
-
+#if 0
 int readclose_append(int fd,stralloc *sa,unsigned bufsize)
 {
         int r;
@@ -871,7 +874,7 @@ int readclose(int fd,stralloc *sa,unsigned bufsize)
         if (!stralloc_copys(sa,"")) { close(fd); return -1; }
         return readclose_append(fd,sa,bufsize);
 }
-
+#endif
 
 /*** scan_ulong.c ***/
 
diff --git a/runit/runit_lib.h b/runit/runit_lib.h
index d306164ea..1f911919d 100644
--- a/runit/runit_lib.h
+++ b/runit/runit_lib.h
@@ -233,7 +233,7 @@ int ta_append(ta *x,const type *i) \
 
 
 /*** stralloc.h ***/
-
+#if 0
 GEN_ALLOC_typedef(stralloc,char,s,len,a)
 
 extern int stralloc_ready(stralloc *,unsigned);
@@ -256,7 +256,7 @@ extern int stralloc_catlong0(stralloc *,long,unsigned);
 #define stralloc_catuint0(sa,i,n) (stralloc_catulong0((sa),(i),(n)))
 #define stralloc_catint0(sa,i,n) (stralloc_catlong0((sa),(i),(n)))
 #define stralloc_catint(sa,i) (stralloc_catlong0((sa),(i),0))
-
+#endif
 
 /*** iopause.h ***/
 
@@ -290,9 +290,9 @@ extern int open_write(const char *);
 
 
 /*** openreadclose.h ***/
-
+#if 0
 extern int openreadclose(const char *,stralloc *,unsigned);
-
+#endif
 
 /*** pathexec.h ***/
 
@@ -313,10 +313,10 @@ extern int prot_uid(int);
 
 
 /*** readclose.h ***/
-
+#if 0
 extern int readclose_append(int,stralloc *,unsigned);
 extern int readclose(int,stralloc *,unsigned);
-
+#endif
 
 /*** scan.h ***/