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memp: Employ TCP-PCB allocation limit if libc malloc used

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This commit is contained in:
LiPeng
2024-11-13 15:45:29 +08:00
committed by David Čermák
parent c816f0ee5c
commit 9cb96ac151
1 changed files with 26 additions and 0 deletions
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src/core/memp.c
+26
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@@ -240,6 +240,10 @@ memp_init(void)
#endif /* MEMP_OVERFLOW_CHECK >= 2 */
}
#if MEMP_MEM_MALLOC && ESP_LWIP && LWIP_TCP
static u32_t num_tcp_pcb = 0;
#endif
static void *
#if !MEMP_OVERFLOW_CHECK
do_memp_malloc_pool(const struct memp_desc *desc)
@@ -251,6 +255,16 @@ do_memp_malloc_pool_fn(const struct memp_desc *desc, const char *file, const int
SYS_ARCH_DECL_PROTECT(old_level);
#if MEMP_MEM_MALLOC
#if ESP_LWIP
#if LWIP_TCP
if(desc == memp_pools[MEMP_TCP_PCB]){
if(num_tcp_pcb >= MEMP_NUM_TCP_PCB){
return NULL;
}
}
#endif
#endif
memp = (struct memp *)mem_malloc(MEMP_SIZE + MEMP_ALIGN_SIZE(desc->size));
SYS_ARCH_PROTECT(old_level);
#else /* MEMP_MEM_MALLOC */
@@ -260,6 +274,12 @@ do_memp_malloc_pool_fn(const struct memp_desc *desc, const char *file, const int
#endif /* MEMP_MEM_MALLOC */
if (memp != NULL) {
#if MEMP_MEM_MALLOC && ESP_LWIP && LWIP_TCP
if (desc == memp_pools[MEMP_TCP_PCB]) {
num_tcp_pcb++;
}
#endif
#if !MEMP_MEM_MALLOC
#if MEMP_OVERFLOW_CHECK == 1
memp_overflow_check_element(memp, desc);
@@ -369,6 +389,12 @@ do_memp_free_pool(const struct memp_desc *desc, void *mem)
SYS_ARCH_PROTECT(old_level);
#if MEMP_MEM_MALLOC && ESP_LWIP && LWIP_TCP
if (desc == memp_pools[MEMP_TCP_PCB]) {
num_tcp_pcb--;
}
#endif
#if MEMP_OVERFLOW_CHECK == 1
memp_overflow_check_element(memp, desc);
#endif /* MEMP_OVERFLOW_CHECK */