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Don't use request heap at shutdown

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This commit is contained in:
Dmitry Stogov 2018-10-25 19:24:39 +03:00
parent 3d415644f7
commit f33da6f338
1 changed files with 9 additions and 2 deletions
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11
ext/opcache/zend_shared_alloc.c
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@ -259,6 +259,7 @@ int zend_shared_alloc_startup(size_t requested_size)
void zend_shared_alloc_shutdown(void)
{
zend_shared_segment **tmp_shared_segments;
zend_shared_segment *shared_segments_buf[16];
size_t shared_segments_array_size;
zend_smm_shared_globals tmp_shared_globals;
int i;
@ -266,14 +267,20 @@ void zend_shared_alloc_shutdown(void)
tmp_shared_globals = *smm_shared_globals;
smm_shared_globals = &tmp_shared_globals;
shared_segments_array_size = ZSMMG(shared_segments_count) * (S_H(segment_type_size)() + sizeof(void *));
tmp_shared_segments = emalloc(shared_segments_array_size);
if (shared_segments_array_size > 16) {
tmp_shared_segments = malloc(shared_segments_array_size);
} else {
tmp_shared_segments = shared_segments_buf;
}
copy_shared_segments(tmp_shared_segments, ZSMMG(shared_segments)[0], ZSMMG(shared_segments_count), S_H(segment_type_size)());
ZSMMG(shared_segments) = tmp_shared_segments;
for (i = 0; i < ZSMMG(shared_segments_count); i++) {
S_H(detach_segment)(ZSMMG(shared_segments)[i]);
}
efree(ZSMMG(shared_segments));
if (shared_segments_array_size > 16) {
free(ZSMMG(shared_segments));
}
ZSMMG(shared_segments) = NULL;
g_shared_alloc_handler = NULL;
#ifndef ZEND_WIN32