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Update to new list implementation

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topjohnwu 2017-07-02 17:46:30 +08:00
parent c9286624d4
commit 7c4d5cee95
1 changed files with 9 additions and 19 deletions
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28
su_daemon.c
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@ -67,29 +67,21 @@ static void sigpipe_handler(int sig) {
// Maintain the lists periodically // Maintain the lists periodically
static void *collector(void *args) { static void *collector(void *args) {
LOGD("su: collector started\n"); LOGD("su: collector started\n");
struct list_head *pos, *temp;
struct su_info *node; struct su_info *node;
while(1) { while(1) {
sleep(1); sleep(1);
pthread_mutex_lock(&list_lock); pthread_mutex_lock(&list_lock);
list_for_each(pos, &active_list) { list_for_each(node, &active_list, struct su_info, pos) {
node = list_entry(pos, struct su_info, pos); if (--node->clock == 0) {
--node->clock; // Timeout, move to waiting list
// Timeout, move to waiting list __ = list_pop(&node->pos);
if (node->clock == 0) { list_insert_end(&waiting_list, &node->pos);
temp = pos;
pos = pos->prev;
list_pop(temp);
list_insert_end(&waiting_list, temp);
} }
} }
list_for_each(pos, &waiting_list) { list_for_each(node, &waiting_list, struct su_info, pos) {
node = list_entry(pos, struct su_info, pos);
// Nothing is using the info, remove it
if (node->count == 0) { if (node->count == 0) {
temp = pos; // Nothing is using the info, remove it
pos = pos->prev; __ = list_pop(&node->pos);
list_pop(temp);
pthread_mutex_destroy(&node->lock); pthread_mutex_destroy(&node->lock);
free(node); free(node);
} }
@ -102,7 +94,6 @@ void su_daemon_receiver(int client) {
LOGD("su: request from client: %d\n", client); LOGD("su: request from client: %d\n", client);
struct su_info *info = NULL, *node; struct su_info *info = NULL, *node;
struct list_head *pos;
int new_request = 0; int new_request = 0;
pthread_mutex_lock(&list_lock); pthread_mutex_lock(&list_lock);
@ -118,8 +109,7 @@ void su_daemon_receiver(int client) {
get_client_cred(client, &credential); get_client_cred(client, &credential);
// Search for existing in the active list // Search for existing in the active list
list_for_each(pos, &active_list) { list_for_each(node, &active_list, struct su_info, pos) {
node = list_entry(pos, struct su_info, pos);
if (node->uid == credential.uid) if (node->uid == credential.uid)
info = node; info = node;
} }