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Add support for adding/removing services from /etc/finit.d at runtime.

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This patch adds support for adding and removing services from Finit at
runtime.  Configuration file stanzas for service, run and task may now
be written to files in /etc/finit.d/*.conf, using the exact same syntax
as before in /etc/finit.conf.  When a file is added, removed or modified
the user may simply SIGHUP Finit (PID 1) to activate the changes.

Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson committed 2015-05-31 01:55:39 +02:00
1 parent 24051ab2fb
commit 687f52b0b5
10 files changed
+454 -233
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svc.h
+13 -7
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@@ -42,10 +42,11 @@ typedef enum {
} svc_cmd_t;
typedef enum {
SVC_CMD_SERVICE = 0, /* Monitored, will be respawned */
SVC_CMD_TASK, /* One-shot, runs in parallell */
SVC_CMD_RUN, /* Like task, but wait for completion */
SVC_CMD_INETD /* Classic inetd service */
SVC_TYPE_FREE = 0, /* Free to allocate */
SVC_TYPE_SERVICE , /* Monitored, will be respawned */
SVC_TYPE_TASK, /* One-shot, runs in parallell */
SVC_TYPE_RUN, /* Like task, but wait for completion */
SVC_TYPE_INETD /* Classic inetd service */
} svc_type_t;
#define FINIT_SHM_ID 0x494E4954 /* "INIT", see ascii(7) */
@@ -62,7 +63,9 @@ typedef enum {
typedef struct svc {
pid_t pid;
svc_type_t type;
int reload;
time_t mtime; /* Modification time for .conf from /etc/finit.d/ */
int dirty; /* Set if old mtime != new mtime => reloaded,
* or -1 when marked for removal */
int runlevels;
/* Incremented for each restart by service monitor. */
@@ -80,7 +83,7 @@ typedef struct svc {
char args[MAX_NUM_SVC_ARGS][MAX_ARG_LEN];
char desc[MAX_STR_LEN];
/* For external plugins. If @cb is set a plugin is loaded.
/* For external plugins. If @cb is set, a plugin is loaded.
* @dynamic: Set by plugins that want dynamic events.
* @dynamic_stop: Set by plugins that allow dyn. events to stop it as well.
* @private: Can be used freely by plugin, e.g., to store "states".
@@ -114,15 +117,18 @@ svc_t *svc_find (char *path);
svc_t *svc_find_by_pid (pid_t pid);
svc_t *svc_find_inetd (char *path, char *service, char *proto, char *port);
svc_t *svc_iterator (int first);
void svc_mark_dynamic (void);
void svc_runlevel (int newlevel);
int svc_register (int type, char *line, char *username);
int svc_register (int type, char *line, time_t mtime, char *username);
int svc_id_by_name (char *name);
svc_cmd_t svc_enabled (svc_t *svc, int event, void *arg);
int svc_start (svc_t *svc);
int svc_start_by_name (char *name);
int svc_stop (svc_t *svc);
int svc_reload (svc_t *svc);
void svc_reload_dynamic(void);
void svc_cleanup (void);
#endif /* FINIT_SVC_H_ */