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client: removed list_cache 

The list cache aims to save memory allocations, and complicates the
code a bit.  We should rather use GLib slices later, which are easy to
use.
This commit is contained in:
Max Kellermann 2008-10-31 09:17:52 +01:00
parent 8f37f7c838
commit e5ef2d8a37
1 changed files with 1 additions and 34 deletions
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35
src/client.c
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@ -56,14 +56,6 @@ static size_t client_max_command_list_size =
static size_t client_max_output_buffer_size =
CLIENT_MAX_OUTPUT_BUFFER_SIZE_DEFAULT;
/* maybe make conf option for this, or... 32 might be good enough */
static long int client_list_cache_size = 32;
/* shared globally between all clients: */
static struct strnode *list_cache;
static struct strnode *list_cache_head;
static struct strnode *list_cache_tail;
struct client {
struct list_head siblings;
@ -165,12 +157,7 @@ static void free_cmd_list(struct strnode *list)
while (tmp) {
struct strnode *next = tmp->next;
if (tmp >= list_cache_head && tmp <= list_cache_tail) {
/* inside list_cache[] array */
tmp->data = NULL;
tmp->next = NULL;
} else
free(tmp);
free(tmp);
tmp = next;
}
}
@ -190,25 +177,11 @@ static void cmd_list_clone(struct client *client)
static void new_cmd_list_ptr(struct client *client, char *s, const int size)
{
int i;
struct strnode *new;
if (!client->cmd_list_dup) {
for (i = client_list_cache_size - 1; i >= 0; --i) {
if (list_cache[i].data)
continue;
new = &(list_cache[i]);
new->data = s;
/* implied in free_cmd_list() and init: */
/* last->next->next = NULL; */
goto out;
}
}
/* allocate from the heap */
new = client->cmd_list_dup ? new_strnode_dup(s, size)
: new_strnode(s);
out:
if (client->cmd_list) {
client->cmd_list_tail->next = new;
client->cmd_list_tail = new;
@ -609,10 +582,6 @@ void client_manager_init(void)
}
client_max_output_buffer_size = tmp * 1024;
}
list_cache = xcalloc(client_list_cache_size, sizeof(struct strnode));
list_cache_head = &(list_cache[0]);
list_cache_tail = &(list_cache[client_list_cache_size - 1]);
}
static void client_close_all(void)
@ -622,8 +591,6 @@ static void client_close_all(void)
list_for_each_entry_safe(client, n, &clients, siblings)
client_close(client);
num_clients = 0;
free(list_cache);
}
void client_manager_deinit(void)