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Giving threadsafety in client registry with semaphore

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This commit is contained in:
Michael Jumper
2010-09-22 00:09:24 -07:00
parent 0fdcfab825
commit df066bcfb8
3 changed files with 16 additions and 2 deletions
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8
guacamole/libguac/src/clientreg.c
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@@ -22,6 +22,7 @@
#include <stdlib.h>
#include <uuid/uuid.h>
#include <semaphore.h>
#include "uuidtree.h"
#include "client.h"
@@ -31,13 +32,16 @@ guac_client_registry* guac_create_client_registry() {
guac_client_registry* registry = malloc(sizeof(guac_client_registry));
registry->root = guac_create_uuid_tree();
sem_init(&(registry->tree_lock), 0, 1);
return registry;
}
void guac_register_client(guac_client_registry* registry, guac_client* client) {
sem_wait(&(registry->tree_lock));
guac_uuid_tree_put(registry->root, client->uuid, client);
sem_post(&(registry->tree_lock));
}
guac_client* guac_find_client(guac_client_registry* registry, uuid_t uuid) {
@@ -45,11 +49,15 @@ guac_client* guac_find_client(guac_client_registry* registry, uuid_t uuid) {
}
void guac_remove_client(guac_client_registry* registry, uuid_t uuid) {
sem_wait(&(registry->tree_lock));
guac_uuid_tree_remove(registry->root, uuid);
sem_post(&(registry->tree_lock));
}
void guac_cleanup_registry(guac_client_registry* registry) {
sem_wait(&(registry->tree_lock));
guac_cleanup_uuid_tree(registry->root);
sem_destroy(&(registry->tree_lock));
}
#endif