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free the unnecessary shared memory

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This commit is contained in:
Igor Sysoev 2007-01-09 16:00:57 +00:00
parent a269c82bd5
commit 3a257b3eb9
1 changed files with 50 additions and 0 deletions
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50
src/core/ngx_cycle.c
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@ -594,6 +594,56 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
/* close and delete stuff that lefts from an old cycle */
/* free the unnecessary shared memory */
opart = &old_cycle->shared_memory.part;
oshm_zone = opart->elts;
for (i = 0; /* void */ ; i++) {
if (i >= opart->nelts) {
if (opart->next == NULL) {
goto old_shm_zone_done;
}
opart = opart->next;
oshm_zone = opart->elts;
i = 0;
}
part = &cycle->shared_memory.part;
shm_zone = part->elts;
for (n = 0; /* void */ ; n++) {
if (n >= part->nelts) {
if (part->next == NULL) {
break;
}
part = part->next;
shm_zone = part->elts;
n = 0;
}
if (oshm_zone[i].name.len == shm_zone[n].name.len
&& ngx_strncmp(oshm_zone[i].name.data,
shm_zone[n].name.data,
oshm_zone[i].name.len)
== 0)
{
goto live_shm_zone;
}
}
ngx_shm_free(&oshm_zone[i].shm);
live_shm_zone:
continue;
}
old_shm_zone_done:
/* close the unnecessary listening sockets */
ls = old_cycle->listening.elts;