|
Apache Tomcat 6.0.53 | ||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | ||||||||
java.lang.Objectorg.apache.tomcat.jni.Pool
public class Pool
Pool
| Constructor Summary | |
|---|---|
Pool()
|
|
| Method Summary | |
|---|---|
static java.nio.ByteBuffer |
alloc(long p,
int size)
Allocate a block of memory from a pool |
static java.nio.ByteBuffer |
calloc(long p,
int size)
Allocate a block of memory from a pool and set all of the memory to 0 |
static void |
cleanupForExec()
Run all of the child_cleanups, so that any unnecessary files are closed because we are about to exec a new program |
static void |
cleanupKill(long pool,
long data)
Remove a previously registered cleanup function |
static long |
cleanupRegister(long pool,
java.lang.Object o)
Register a function to be called when a pool is cleared or destroyed |
static void |
clear(long pool)
Clear all memory in the pool and run all the cleanups. |
static long |
create(long parent)
Create a new pool. |
static java.lang.Object |
dataGet(long pool,
java.lang.String key)
Return the data associated with the current pool. |
static int |
dataSet(long pool,
java.lang.String key,
java.lang.Object data)
Set the data associated with the current pool |
static void |
destroy(long pool)
Destroy the pool. |
static boolean |
isAncestor(long a,
long b)
Determine if pool a is an ancestor of pool b |
static void |
noteSubprocess(long a,
long proc,
int how)
Register a process to be killed when a pool dies. |
static long |
parentGet(long pool)
Get the parent pool of the specified pool. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public Pool()
| Method Detail |
|---|
public static long create(long parent)
parent - The parent pool. If this is 0, the new pool is a root
pool. If it is non-zero, the new pool will inherit all
of its parent pool's attributes, except the apr_pool_t will
be a sub-pool.
public static void clear(long pool)
pool - The pool to clear
This does not actually free the memory, it just allows the pool
to re-use this memory for the next allocation.public static void destroy(long pool)
pool - The pool to destroypublic static long parentGet(long pool)
pool - The pool for retrieving the parent pool.
public static boolean isAncestor(long a,
long b)
a - The pool to searchb - The pool to search for
public static long cleanupRegister(long pool,
java.lang.Object o)
pool - The pool register the cleanup witho - The object to call when the pool is cleared
or destroyed
public static void cleanupKill(long pool,
long data)
pool - The pool remove the cleanup fromdata - The cleanup handler to remove from cleanup
public static void noteSubprocess(long a,
long proc,
int how)
a - The pool to use to define the processes lifetimeproc - The process to registerhow - How to kill the process, one of:
APR_KILL_NEVER -- process is never sent any signals APR_KILL_ALWAYS -- process is sent SIGKILL on apr_pool_t cleanup APR_KILL_AFTER_TIMEOUT -- SIGTERM, wait 3 seconds, SIGKILL APR_JUST_WAIT -- wait forever for the process to complete APR_KILL_ONLY_ONCE -- send SIGTERM and then wait
public static java.nio.ByteBuffer alloc(long p,
int size)
p - The pool to allocate fromsize - The amount of memory to allocate
public static java.nio.ByteBuffer calloc(long p,
int size)
p - The pool to allocate fromsize - The amount of memory to allocate
public static int dataSet(long pool,
java.lang.String key,
java.lang.Object data)
data - The user data associated with the pool.key - The key to use for associationpool - The current pool
public static java.lang.Object dataGet(long pool,
java.lang.String key)
key - The key for the data to retrievepool - The current pool.public static void cleanupForExec()
|
Apache Tomcat 6.0.53 | ||||||||
| PREV CLASS NEXT CLASS | FRAMES NO FRAMES | ||||||||
| SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD | ||||||||