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java.lang.Objectorg.apache.tomcat.jni.Stdlib
public class Stdlib
Stdlib
| Constructor Summary | |
|---|---|
Stdlib()
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| Method Summary | |
|---|---|
static long |
calloc(int num,
int sz)
Allocates an array in memory with elements initialized to 0. |
static void |
free(long mem)
Deallocates or frees a memory block. |
static int |
getpid()
Get current process pid. |
static int |
getppid()
Get current process parent pid. |
static long |
malloc(int sz)
Allocates memory blocks. |
static boolean |
memread(byte[] dst,
long src,
int sz)
Read from plain memory |
static boolean |
memset(long dst,
int c,
int sz)
Sets buffers to a specified character |
static boolean |
memwrite(long dst,
byte[] src,
int sz)
Write to plain memory |
static long |
realloc(long mem,
int sz)
Reallocate memory blocks. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public Stdlib()
| Method Detail |
|---|
public static boolean memread(byte[] dst,
long src,
int sz)
dst - Destination byte arraysrc - Source memory addresssz - Number of bytes to copy.
public static boolean memwrite(long dst,
byte[] src,
int sz)
dst - Destination memory addresssrc - Source byte arraysz - Number of bytes to copy.
public static boolean memset(long dst,
int c,
int sz)
dst - Destination memory addressc - Character to set.sz - Number of characters.public static long malloc(int sz)
sz - Bytes to allocate.
public static long realloc(long mem,
int sz)
mem - Pointer to previously allocated memory block.sz - New size in bytes.
public static long calloc(int num,
int sz)
num - Number of elements.sz - Length in bytes of each element.public static void free(long mem)
mem - Previously allocated memory block to be freed.public static int getpid()
public static int getppid()
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