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Core: inheritance of non-reusable shared memory zones.

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When re-creating a non-reusable zone, make the pointer to the old zone
available during the new zone initialization.
This commit is contained in:
Ruslan Ermilov 2017-11-03 22:22:21 +03:00 committed by Aleksei Bavshin
parent 9fe119b431
commit 1524c5e3fc
1 changed files with 10 additions and 4 deletions
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14
src/core/ngx_cycle.c
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@ -38,7 +38,7 @@ static ngx_connection_t dumb;
ngx_cycle_t * ngx_cycle_t *
ngx_init_cycle(ngx_cycle_t *old_cycle) ngx_init_cycle(ngx_cycle_t *old_cycle)
{ {
void *rv; void *rv, *data;
char **senv; char **senv;
ngx_uint_t i, n; ngx_uint_t i, n;
ngx_log_t *log; ngx_log_t *log;
@ -438,6 +438,8 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
opart = &old_cycle->shared_memory.part; opart = &old_cycle->shared_memory.part;
oshm_zone = opart->elts; oshm_zone = opart->elts;
data = NULL;
for (n = 0; /* void */ ; n++) { for (n = 0; /* void */ ; n++) {
if (n >= opart->nelts) { if (n >= opart->nelts) {
@ -461,9 +463,13 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
continue; continue;
} }
if (shm_zone[i].tag == oshm_zone[n].tag && shm_zone[i].noreuse) {
data = oshm_zone[n].data;
break;
}
if (shm_zone[i].tag == oshm_zone[n].tag if (shm_zone[i].tag == oshm_zone[n].tag
&& shm_zone[i].shm.size == oshm_zone[n].shm.size && shm_zone[i].shm.size == oshm_zone[n].shm.size)
&& !shm_zone[i].noreuse)
{ {
shm_zone[i].shm.addr = oshm_zone[n].shm.addr; shm_zone[i].shm.addr = oshm_zone[n].shm.addr;
#if (NGX_WIN32) #if (NGX_WIN32)
@ -490,7 +496,7 @@ ngx_init_cycle(ngx_cycle_t *old_cycle)
goto failed; goto failed;
} }
if (shm_zone[i].init(&shm_zone[i], NULL) != NGX_OK) { if (shm_zone[i].init(&shm_zone[i], data) != NGX_OK) {
goto failed; goto failed;
} }