#include "lwip/opt.h"Include dependency graph for memp.h:
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Enumerations | |
| enum | memp_t { MEMP_PBUF, MEMP_UDP_PCB, MEMP_TCP_PCB, MEMP_TCP_PCB_LISTEN, MEMP_TCP_SEG, MEMP_NETBUF, MEMP_NETCONN, MEMP_API_MSG, MEMP_TCPIP_MSG, MEMP_MAX } |
Functions | |
| void | memp_init (void) |
| void * | memp_malloc (memp_t type) |
| void * | memp_realloc (memp_t fromtype, memp_t totype, void *mem) |
| void | memp_free (memp_t type, void *mem) |
| void * | memp_mallocp (memp_t type) |
| void | memp_freep (memp_t type, void *mem) |
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Definition at line 38 of file memp.h.
00038 {
00039 MEMP_PBUF,
00040 MEMP_UDP_PCB,
00041 MEMP_TCP_PCB,
00042 MEMP_TCP_PCB_LISTEN,
00043 MEMP_TCP_SEG,
00044
00045 MEMP_NETBUF,
00046 MEMP_NETCONN,
00047 MEMP_API_MSG,
00048 MEMP_TCPIP_MSG,
00049
00050
00051 MEMP_MAX
00052 } memp_t;
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Definition at line 238 of file memp.c. References LWIP_ASSERT, memp_tab, NULL, and u8_t. Referenced by memp_freep(), netconn_delete(), and tcpip_apimsg().
00239 {
00240 struct memp *memp;
00241
00242 if(mem == NULL) {
00243 return;
00244 }
00245 memp = (struct memp *)((u8_t *)mem - sizeof(struct memp));
00246
00247 #ifdef MEMP_STATS
00248 lwip_stats.memp[type].used--;
00249 #endif /* MEMP_STATS */
00250
00251 memp->next = memp_tab[type];
00252 memp_tab[type] = memp;
00253
00254 LWIP_ASSERT("memp sanity", memp_sanity());
00255
00256 return;
00257 }
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Definition at line 260 of file memp.c. References memp_free(), mutex, sys_sem_signal(), and sys_sem_wait(). Referenced by netbuf_chain(), netbuf_delete(), netconn_bind(), netconn_close(), netconn_connect(), netconn_delete(), netconn_disconnect(), netconn_listen(), netconn_new(), netconn_recv(), netconn_send(), netconn_write(), pbuf_free(), and tcpip_thread().
00261 {
00262 #if SYS_LIGHTWEIGHT_PROT
00263 SYS_ARCH_DECL_PROTECT(old_level);
00264 SYS_ARCH_PROTECT(old_level);
00265 #else /* SYS_LIGHTWEIGHT_PROT */
00266 sys_sem_wait(mutex);
00267 #endif /* SYS_LIGHTWEIGHT_PROT */
00268
00269 memp_free(type, mem);
00270
00271 #if SYS_LIGHTWEIGHT_PROT
00272 SYS_ARCH_UNPROTECT(old_level);
00273 #else /* SYS_LIGHTWEIGHT_PROT */
00274 sys_sem_signal(mutex);
00275 #endif /* SYS_LIGHTWEIGHT_PROT */
00276
00277 }
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Definition at line 141 of file memp.c. References MEM_ALIGN, MEM_ALIGN_SIZE, MEMP_MAX, memp_memory, memp_num, memp_sizes, memp_tab, mutex, memp::next, NULL, sys_sem_new(), u16_t, and u8_t.
00142 {
00143 struct memp *m, *memp;
00144 u16_t i, j;
00145 u16_t size;
00146
00147 #ifdef MEMP_STATS
00148 for(i = 0; i < MEMP_MAX; ++i) {
00149 lwip_stats.memp[i].used = lwip_stats.memp[i].max =
00150 lwip_stats.memp[i].err = 0;
00151 lwip_stats.memp[i].avail = memp_num[i];
00152 }
00153 #endif /* MEMP_STATS */
00154
00155 memp = (struct memp *)&memp_memory[0];
00156 for(i = 0; i < MEMP_MAX; ++i) {
00157 size = MEM_ALIGN_SIZE(memp_sizes[i] + sizeof(struct memp));
00158 if(memp_num[i] > 0) {
00159 memp_tab[i] = memp;
00160 m = memp;
00161
00162 for(j = 0; j < memp_num[i]; ++j) {
00163 m->next = (struct memp *)MEM_ALIGN((u8_t *)m + size);
00164 memp = m;
00165 m = m->next;
00166 }
00167 memp->next = NULL;
00168 memp = m;
00169 } else {
00170 memp_tab[i] = NULL;
00171 }
00172 }
00173
00174 #if !SYS_LIGHTWEIGHT_PROT
00175 mutex = sys_sem_new(1);
00176 #endif
00177
00178
00179 }
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Definition at line 182 of file memp.c. References DEBUGF, LWIP_ASSERT, MEM_ALIGN, MEMP_DEBUG, MEMP_MAX, memp_sizes, memp_tab, memp::next, NULL, u32_t, and u8_t. Referenced by memp_mallocp().
00183 {
00184 struct memp *memp;
00185 void *mem;
00186
00187 LWIP_ASSERT("memp_malloc: type < MEMP_MAX", type < MEMP_MAX);
00188
00189 memp = memp_tab[type];
00190
00191 if(memp != NULL) {
00192 memp_tab[type] = memp->next;
00193 memp->next = NULL;
00194 #ifdef MEMP_STATS
00195 ++lwip_stats.memp[type].used;
00196 if(lwip_stats.memp[type].used > lwip_stats.memp[type].max) {
00197 lwip_stats.memp[type].max = lwip_stats.memp[type].used;
00198 }
00199 #endif /* MEMP_STATS */
00200 LWIP_ASSERT("memp_malloc: memp properly aligned",
00201 ((u32_t)MEM_ALIGN((u8_t *)memp + sizeof(struct memp)) % MEM_ALIGNMENT) == 0);
00202
00203 mem = MEM_ALIGN((u8_t *)memp + sizeof(struct memp));
00204 /* initialize memp memory with zeroes */
00205 memset(mem, 0, memp_sizes[type]);
00206 return mem;
00207 } else {
00208 DEBUGF(MEMP_DEBUG | 2, ("memp_malloc: out of memory in pool %d\n", type));
00209 #ifdef MEMP_STATS
00210 ++lwip_stats.memp[type].err;
00211 #endif /* MEMP_STATS */
00212 return NULL;
00213 }
00214 }
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Definition at line 217 of file memp.c. References memp_malloc(), mutex, sys_sem_signal(), and sys_sem_wait(). Referenced by netbuf_new(), netconn_bind(), netconn_close(), netconn_connect(), netconn_delete(), netconn_disconnect(), netconn_listen(), netconn_new(), netconn_recv(), netconn_send(), netconn_write(), pbuf_alloc(), tcpip_apimsg(), tcpip_callback(), and tcpip_input().
00218 {
00219 void *mem;
00220 #if SYS_LIGHTWEIGHT_PROT
00221 SYS_ARCH_DECL_PROTECT(old_level);
00222 SYS_ARCH_PROTECT(old_level);
00223 #else /* SYS_LIGHTWEIGHT_PROT */
00224 sys_sem_wait(mutex);
00225 #endif /* SYS_LIGHTWEIGHT_PROT */
00226
00227 mem = memp_malloc(type);
00228
00229 #if SYS_LIGHTWEIGHT_PROT
00230 SYS_ARCH_UNPROTECT(old_level);
00231 #else /* SYS_LIGHTWEIGHT_PROT */
00232 sys_sem_signal(mutex);
00233 #endif /* SYS_LIGHTWEIGHT_PROT */
00234 return mem;
00235 }
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1.3.4