Add support for starting/stopping SysV init scripts

This patch adds initial support for starting a SysV init script in a
runlevel, and stopping it when leaving a runlevel.

    sysv [LVLS] <COND> /path/to/script.sh -- Optional Description

The SysV /etc/inittab file, which may use /etc/init.d, or /etc/rcN.d,
is still not supported.  A separate plugin would be required for this,
see the documentation for more information.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson committed 2020-01-22 15:45:08 +01:00
1 parent 9bfc9092b8
commit fa0c63070c
6 files changed
+91 -12

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@@ -43,10 +43,11 @@ typedef enum {
SVC_TYPE_RUN = 4, /* Like task, but wait for completion */
SVC_TYPE_INETD = 8, /* Classic inetd service */
SVC_TYPE_INETD_CONN = 16, /* Single inetd connection */
SVC_TYPE_SYSV = 32, /* SysV style init.d script w/ start/stop */
} svc_type_t;
#define SVC_TYPE_ANY (-1)
#define SVC_TYPE_RUNTASK (6)
#define SVC_TYPE_RUNTASK (SVC_TYPE_RUN | SVC_TYPE_TASK | SVC_TYPE_SYSV)
typedef enum {
SVC_HALTED_STATE = 0, /* Not allowed in runlevel, or not enabled. */
@@ -182,6 +183,7 @@ int svc_parse_jobstr (char *str, size_t len, int (*found)(svc_t *)
static inline int svc_is_inetd (svc_t *svc) { return svc && SVC_TYPE_INETD == svc->type; }
static inline int svc_is_inetd_conn(svc_t *svc) { return svc && SVC_TYPE_INETD_CONN == svc->type; }
static inline int svc_is_daemon (svc_t *svc) { return svc && SVC_TYPE_SERVICE == svc->type; }
static inline int svc_is_sysv (svc_t *svc) { return svc && SVC_TYPE_SYSV == svc->type; }
static inline int svc_is_runtask (svc_t *svc) { return svc && (SVC_TYPE_RUNTASK & svc->type); }
static inline int svc_in_runlevel (svc_t *svc, int runlevel) { return svc && ISSET(svc->runlevels, runlevel); }