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lwip_memp.c File Reference
Dynamic pool memory manager. More...
Go to the source code of this file.
Functions | |
| static int | memp_sanity (const struct memp_desc *desc) |
| Check that memp-lists don't form a circle, using "Floyd's cycle-finding algorithm". | |
| static void | memp_overflow_check_element_overflow (struct memp *p, const struct memp_desc *desc) |
| Check if a memp element was victim of an overflow (e.g. | |
| static void | memp_overflow_check_element_underflow (struct memp *p, const struct memp_desc *desc) |
| Check if a memp element was victim of an underflow (e.g. | |
| static void | memp_overflow_init_element (struct memp *p, const struct memp_desc *desc) |
| Initialize the restricted area of on memp element. | |
| static void | memp_overflow_check_all (void) |
| Do an overflow check for all elements in every pool. | |
| void | memp_init_pool (const struct memp_desc *desc) |
| Initialize custom memory pool. | |
| void | memp_init (void) |
| Initializes lwIP built-in pools. | |
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 lwip_memp.c.
Function Documentation
| 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 271 of file lwip_memp.c.
| 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 230 of file lwip_memp.c.
| static void memp_overflow_check_all | ( | void | ) | [static] |
Do an overflow check for all elements in every pool.
- See also:
- memp_overflow_check_element for a description of the check
Definition at line 203 of file lwip_memp.c.
| static void memp_overflow_check_element_overflow | ( | struct memp * | p, |
| const struct memp_desc * | desc | ||
| ) | [static] |
Check if a memp element was victim of an overflow (e.g.
the restricted area after it has been altered)
- Parameters:
-
p the memp element to check desc the pool p comes from
Definition at line 128 of file lwip_memp.c.
| static void memp_overflow_check_element_underflow | ( | struct memp * | p, |
| const struct memp_desc * | desc | ||
| ) | [static] |
Check if a memp element was victim of an underflow (e.g.
the restricted area before it has been altered)
- Parameters:
-
p the memp element to check desc the pool p comes from
Definition at line 155 of file lwip_memp.c.
| static void memp_overflow_init_element | ( | struct memp * | p, |
| const struct memp_desc * | desc | ||
| ) | [static] |
Initialize the restricted area of on memp element.
Definition at line 178 of file lwip_memp.c.
| static int memp_sanity | ( | const struct memp_desc * | desc ) | [static] |
Check that memp-lists don't form a circle, using "Floyd's cycle-finding algorithm".
Definition at line 101 of file lwip_memp.c.
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