Cross Reference: /illumos-gate/usr/src/cmd/svc/configd/snapshot.c

Lines Matching defs:sp
55 	rc_snapshot_t *sp;
56 	sp = uu_zalloc(sizeof (*sp));
58 	(void) pthread_mutex_init(&sp->rs_lock, NULL);
59 	(void) pthread_cond_init(&sp->rs_cv, NULL);
61 	sp->rs_refcnt++;
62 	return (sp);
66 snapshot_free(rc_snapshot_t *sp)
70 	assert(sp->rs_refcnt == 0 && sp->rs_childref == 0);
72 	(void) pthread_mutex_destroy(&sp->rs_lock);
73 	(void) pthread_cond_destroy(&sp->rs_cv);
75 	for (lvl = sp->rs_levels; lvl != NULL; lvl = next) {
78 		assert(lvl->rsl_parent == sp);
88 	uu_free(sp);
92 rc_snapshot_hold(rc_snapshot_t *sp)
94 	(void) pthread_mutex_lock(&sp->rs_lock);
95 	sp->rs_refcnt++;
96 	assert(sp->rs_refcnt > 0);
97 	(void) pthread_mutex_unlock(&sp->rs_lock);
101 rc_snapshot_rele(rc_snapshot_t *sp)
104 	(void) pthread_mutex_lock(&sp->rs_lock);
105 	assert(sp->rs_refcnt > 0);
106 	sp->rs_refcnt--;
107 	done = ((sp->rs_flags & RC_SNAPSHOT_DEAD) &&
108 	    sp->rs_refcnt == 0 && sp->rs_childref == 0);
109 	(void) pthread_mutex_unlock(&sp->rs_lock);
112 		snapshot_free(sp);
118 	rc_snapshot_t *sp = lvl->rsl_parent;
119 	(void) pthread_mutex_lock(&sp->rs_lock);
120 	sp->rs_childref++;
121 	assert(sp->rs_childref > 0);
122 	(void) pthread_mutex_unlock(&sp->rs_lock);
129 	rc_snapshot_t *sp = lvl->rsl_parent;
130 	(void) pthread_mutex_lock(&sp->rs_lock);
131 	assert(sp->rs_childref > 0);
132 	sp->rs_childref--;
133 	done = ((sp->rs_flags & RC_SNAPSHOT_DEAD) &&
134 	    sp->rs_refcnt == 0 && sp->rs_childref == 0);
135 	(void) pthread_mutex_unlock(&sp->rs_lock);
138 		snapshot_free(sp);
159 	rc_snapshot_t *sp;
164 	for (sp = bp->sb_head; sp != NULL; sp = sp->rs_hash_next) {
165 		if (sp->rs_snap_id == snap_id) {
166 			rc_snapshot_hold(sp);
167 			return (sp);
174 snapshot_insert_unlocked(snapshot_bucket_t *bp, rc_snapshot_t *sp)
177 	assert(bp == SNAPSHOT_BUCKET(sp->rs_snap_id));
179 	assert(sp->rs_hash_next == NULL);
181 	sp->rs_hash_next = bp->sb_head;
182 	bp->sb_head = sp;
186 snapshot_remove_unlocked(snapshot_bucket_t *bp, rc_snapshot_t *sp)
191 	assert(bp == SNAPSHOT_BUCKET(sp->rs_snap_id));
193 	assert(sp->rs_hash_next == NULL);
196 		if (*spp == sp)
199 	assert(*spp == sp);
200 	*spp = sp->rs_hash_next;
201 	sp->rs_hash_next = NULL;
215 	rc_snapshot_t *sp;
219 	sp = snapshot_lookup_unlocked(bp, snap_id);
220 	if (sp != NULL) {
222 		(void) pthread_mutex_lock(&sp->rs_lock);
223 		while (sp->rs_flags & RC_SNAPSHOT_FILLING)
224 			(void) pthread_cond_wait(&sp->rs_cv, &sp->rs_lock);
226 		if (sp->rs_flags & RC_SNAPSHOT_DEAD) {
227 			(void) pthread_mutex_unlock(&sp->rs_lock);
228 			rc_snapshot_rele(sp);
231 		assert(sp->rs_flags & RC_SNAPSHOT_READY);
232 		(void) pthread_mutex_unlock(&sp->rs_lock);
233 		*snpp = sp;
236 	sp = snapshot_alloc();
237 	sp->rs_snap_id = snap_id;
238 	sp->rs_flags |= RC_SNAPSHOT_FILLING;
239 	snapshot_insert_unlocked(bp, sp);
245 	r = object_fill_snapshot(sp);
253 		snapshot_remove_unlocked(bp, sp);
256 		(void) pthread_mutex_lock(&sp->rs_lock);
257 		sp->rs_flags &= ~RC_SNAPSHOT_FILLING;
258 		sp->rs_flags |= RC_SNAPSHOT_DEAD;
259 		(void) pthread_cond_broadcast(&sp->rs_cv);
260 		(void) pthread_mutex_unlock(&sp->rs_lock);
261 		rc_snapshot_rele(sp);		/* may free sp */
264 	(void) pthread_mutex_lock(&sp->rs_lock);
265 	sp->rs_flags &= ~RC_SNAPSHOT_FILLING;
266 	sp->rs_flags |= RC_SNAPSHOT_READY;
267 	(void) pthread_cond_broadcast(&sp->rs_cv);
268 	(void) pthread_mutex_unlock(&sp->rs_lock);
269 	*snpp = sp;