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3818. [bug] Stop lying to the optimizer that 'void *arg' is a

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constant in isc_event_allocate.

(cherry picked from commit e916c4f840)
This commit is contained in:
Mark Andrews 2014-04-24 13:43:59 +10:00
parent 27cf9fea54
commit 336c54e9ac
3 changed files with 27 additions and 2 deletions
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3
CHANGES
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@ -1,3 +1,6 @@
3818. [bug] Stop lying to the optimizer that 'void *arg' is a
constant in isc_event_allocate.
3815. [doc] Clarify "nsupdate -y" usage in man page. [RT #35808]
3809. [doc] Fix NSID documentation.

21
lib/isc/event.c
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@ -41,7 +41,26 @@ destroy(isc_event_t *event) {
isc_event_t *
isc_event_allocate(isc_mem_t *mctx, void *sender, isc_eventtype_t type,
isc_taskaction_t action, const void *arg, size_t size)
isc_taskaction_t action, void *arg, size_t size)
{
isc_event_t *event;
REQUIRE(size >= sizeof(struct isc_event));
REQUIRE(action != NULL);
event = isc_mem_get(mctx, size);
if (event == NULL)
return (NULL);
ISC_EVENT_INIT(event, size, 0, NULL, type, action, arg,
sender, destroy, mctx);
return (event);
}
isc_event_t *
isc_event_constallocate(isc_mem_t *mctx, void *sender, isc_eventtype_t type,
isc_taskaction_t action, const void *arg, size_t size)
{
isc_event_t *event;
void *deconst_arg;

5
lib/isc/include/isc/event.h
View file

@ -90,7 +90,10 @@ ISC_LANG_BEGINDECLS
isc_event_t *
isc_event_allocate(isc_mem_t *mctx, void *sender, isc_eventtype_t type,
isc_taskaction_t action, const void *arg, size_t size);
isc_taskaction_t action, void *arg, size_t size);
isc_event_t *
isc_event_constallocate(isc_mem_t *mctx, void *sender, isc_eventtype_t type,
isc_taskaction_t action, const void *arg, size_t size);
/*%<
* Allocate an event structure.
*