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[lcd4linux @ 2004-06-17 06:23:39 by reinelt]

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hash handling rewritten to solve performance issues

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@473 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
reinelt
2004-06-17 06:23:43 +00:00
parent e8e56418dc
commit 1d354fd87d
19 changed files with 649 additions and 419 deletions
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plugin_exec.c
+11 -6
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@@ -1,4 +1,4 @@
/* $Id: plugin_exec.c,v 1.2 2004/04/08 10:48:25 reinelt Exp $
/* $Id: plugin_exec.c,v 1.3 2004/06/17 06:23:43 reinelt Exp $
*
* plugin for external processes
*
@@ -27,6 +27,10 @@
*
*
* $Log: plugin_exec.c,v $
* Revision 1.3 2004/06/17 06:23:43 reinelt
*
* hash handling rewritten to solve performance issues
*
* Revision 1.2 2004/04/08 10:48:25 reinelt
* finished plugin_exec
* modified thread handling
@@ -78,7 +82,7 @@ typedef struct {
static EXEC_THREAD Thread[NUM_THREADS];
static int max_thread = -1;
static HASH EXEC = { 0, };
static HASH EXEC;
// x^0 + x^5 + x^12
@@ -208,10 +212,10 @@ static int do_exec (char *cmd, char *key, int delay)
{
int i, age;
age = hash_age(&EXEC, key, NULL);
age = hash_age(&EXEC, key);
if (age < 0) {
hash_set (&EXEC, key, "");
hash_put (&EXEC, key, "");
// first-time call: create thread
if (delay < 10) {
error ("exec(%s): delay %d is too short! using 10 msec", cmd, delay);
@@ -232,7 +236,7 @@ static int do_exec (char *cmd, char *key, int delay)
// lock shared memory
mutex_lock(Thread[i].mutex);
// copy data
hash_set (&EXEC, key, Thread[i].ret);
hash_put (&EXEC, key, Thread[i].ret);
// unlock shared memory
mutex_unlock(Thread[i].mutex);
return 0;
@@ -258,7 +262,7 @@ static void my_exec (RESULT *result, RESULT *arg1, RESULT *arg2)
return;
}
val = hash_get(&EXEC, key);
val = hash_get(&EXEC, key, NULL);
if (val == NULL) val = "";
SetResult(&result, R_STRING, val);
@@ -267,6 +271,7 @@ static void my_exec (RESULT *result, RESULT *arg1, RESULT *arg2)
int plugin_init_exec (void)
{
hash_create(&EXEC);
AddFunction ("exec", 2, my_exec);
return 0;
}