#include "lwip/opt.h"#include "lwip/memp.h"#include "lwip/sys.h"#include "lwip/stats.h"#include <string.h>#include "lwip/pbuf.h"#include "lwip/raw.h"#include "lwip/udp.h"#include "lwip/tcp.h"#include "lwip/priv/tcp_priv.h"#include "lwip/ip4_frag.h"#include "lwip/netbuf.h"#include "lwip/api.h"#include "lwip/priv/tcpip_priv.h"#include "lwip/priv/api_msg.h"#include "lwip/sockets.h"#include "lwip/netifapi.h"#include "lwip/etharp.h"#include "lwip/igmp.h"#include "lwip/timeouts.h"#include "netif/ppp/ppp_opts.h"#include "lwip/netdb.h"#include "lwip/dns.h"#include "lwip/priv/nd6_priv.h"#include "lwip/ip6_frag.h"#include "lwip/mld6.h"#include "lwip/priv/memp_std.h"
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Macros | |
| #define | LWIP_MEMPOOL(name, num, size, desc) LWIP_MEMPOOL_DECLARE(name,num,size,desc) |
| #define | LWIP_MEMPOOL(name, num, size, desc) &memp_ ## name, |
Functions | |
| void | memp_init_pool (const struct memp_desc *desc) |
| void | memp_init (void) |
| void * | memp_malloc_pool (const struct memp_desc *desc) |
| void * | memp_malloc (memp_t type) |
| void | memp_free_pool (const struct memp_desc *desc, void *mem) |
| void | memp_free (memp_t type, void *mem) |
Variables | |
| const struct memp_desc *const | memp_pools [MEMP_MAX] |
Detailed Description
Dynamic pool memory manager
lwIP has dedicated pools for many structures (netconn, protocol control blocks, packet buffers, ...). All these pools are managed here.
Definition in file memp.c.
Function Documentation
| void memp_free | ( | memp_t | type, |
| void * | mem | ||
| ) |
Put an element back into its pool.
- Parameters
-
type the pool where to put mem mem the memp element to free
Definition at line 488 of file memp.c.
References memp_desc::tab.
Referenced by pbuf_free(), tcpip_callback_with_block(), tcpip_callbackmsg_delete(), and tcpip_inpkt().
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| void memp_free_pool | ( | const struct memp_desc * | desc, |
| void * | mem | ||
| ) |
| void memp_init | ( | void | ) |
Initializes lwIP built-in pools. Related functions: memp_malloc, memp_free
Carves out memp_memory into linked lists for each pool-type.
Definition at line 290 of file memp.c.
References LWIP_DBG_LEVEL_SERIOUS, LWIP_DEBUGF, mem_malloc(), MEMP_DEBUG, memp_init_pool(), memp_desc::size, SYS_ARCH_DECL_PROTECT, and memp_desc::tab.
Referenced by lwip_init().
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| void memp_init_pool | ( | const struct memp_desc * | desc | ) |
Initialize custom memory pool. Related functions: memp_malloc_pool, memp_free_pool
- Parameters
-
desc pool to initialize
Definition at line 249 of file memp.c.
References memp_desc::base, LWIP_MEM_ALIGN, LWIP_UNUSED_ARG, MEMP_OVERFLOW_CHECK, memp_desc::num, memp_desc::size, and memp_desc::tab.
Referenced by memp_init().
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| void* memp_malloc | ( | memp_t | type | ) |
Get an element from a specific pool.
- Parameters
-
type the pool to get an element from
- Returns
- a pointer to the allocated memory or a NULL pointer on error
Definition at line 404 of file memp.c.
References LWIP_UNUSED_ARG, mem_free(), SYS_ARCH_DECL_PROTECT, and memp_desc::tab.
Referenced by pbuf_alloc(), tcpip_callback_with_block(), tcpip_callbackmsg_new(), and tcpip_inpkt().
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| void* memp_malloc_pool | ( | const struct memp_desc * | desc | ) |
