link_audit/common/bindings.c

47 static bindhead		*bhp = NULL;
121 	if ((new_bhp = mmap(0, bhp->bh_size, PROT_READ | PROT_WRITE,
126 		bt_unlock(&bhp->bh_lock);
132 	(void) munmap((caddr_t)bhp, current_map_len);
133 	bhp = (bindhead *)new_bhp;
134 	current_map_len = bhp->bh_size;
145 		bt_unlock(&bhp->bh_lock);
148 	if (ftruncate(fd, bhp->bh_size + BLKSIZE) == -1) {
151 		bt_unlock(&bhp->bh_lock);
154 	bhp->bh_size += BLKSIZE;
162 	bt_lock(&bhp->bh_lock);
163 	while (bhp->bh_end + STRBLKSIZE > bhp->bh_size)
166 	bhp->bh_strcur = bhp->bh_end;
167 	bhp->bh_end = bhp->bh_strend = bhp->bh_strcur + STRBLKSIZE;
168 	bt_unlock(&bhp->bh_lock);
178 	bt_lock(&bhp->bh_strlock);
185 	if ((slen + 1) > (bhp->bh_strend - bhp->bh_strcur))
187 	bptr = bhp->bh_strcur;
188 	sptr = (char *)bhp + bhp->bh_strcur;
189 	bhp->bh_strcur += slen + 1;
192 	bt_unlock(&bhp->bh_strlock);
201 	bt_lock(&bhp->bh_lock);
202 	while ((sizeof (binding_entry) + bhp->bh_end) > bhp->bh_size)
204 	new_ent = bhp->bh_end;
205 	bhp->bh_end += sizeof (binding_entry);
206 	bt_unlock(&bhp->bh_lock);
217 	(void) memcpy(&bhp->bh_lock, &sharedmutex, sizeof (lwp_mutex_t));
219 		(void) memcpy(&bhp->bh_bkts[i].bb_lock, &sharedmutex,
222 	(void) memcpy(&bhp->bh_strlock, &sharedmutex, sizeof (lwp_mutex_t));
254 		if ((bhp = (bindhead *)mmap(0, init_size,
267 		bt_lock(&bhp->bh_lock);
268 		bhp->bh_vers = BINDCURVERS;
269 		current_map_len = bhp->bh_size = init_size;
270 		bhp->bh_end = sizeof (bindhead);
271 		bhp->bh_bktcnt = DEFBKTS;
272 		bt_unlock(&bhp->bh_lock);
290 			if ((bhp = (bindhead *)mmap(0, stbuf.st_size,
302 		if (bhp == NULL) {
308 			if (bhp->bh_vers == 0) {
313 		if (bhp->bh_vers == 0) {
319 		bt_lock(&bhp->bh_lock);
321 		if (bhp->bh_size != current_map_len)
332 	bt_unlock(&bhp->bh_lock);
395 	bktno = ehash(sym_name) % bhp->bh_bktcnt;
397 	bt_lock(&bhp->bh_bkts[bktno].bb_lock);
403 	if (bhp->bh_size != current_map_len) {
410 			bt_unlock(&bhp->bh_lock);
413 		bt_lock(&bhp->bh_lock);
415 		bt_unlock(&bhp->bh_lock);
419 	if (bhp->bh_bkts[bktno].bb_head == NULL) {
429 		bep = (binding_entry *)((char *)bhp + be_off);
434 		bhp->bh_bkts[bktno].bb_head = be_off;
448 		cur_off = bhp->bh_bkts[bktno].bb_head;
450 		cur_bep = (binding_entry *)((char *)bhp +
452 		while (cur_off && (strcmp_res = strcmp((char *)bhp +
457 			cur_bep = (binding_entry *)((char *)bhp +
469 			while (cur_off && (strcmp_res = strcmp((char *)bhp +
474 				cur_bep = (binding_entry *)((char *)bhp +
494 			new_bep = (binding_entry *)((char *)bhp +
502 				prev_bep = (binding_entry *)((char *)bhp +
509 				bhp->bh_bkts[bktno].bb_head = new_off;
513 	bt_unlock(&bhp->bh_bkts[bktno].bb_lock);