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Revert "Optimize dixLookupPrivate for repeated lookups of the same private."

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The patch was wildly unsafe for SIGIO, and made everything full of
crashy crashy fail.

This reverts commit 9b30cc5248.
This commit is contained in:
Daniel Stone 2008-04-18 22:17:53 -07:00
parent ed9dabb47c
commit 60ff56050b
1 changed files with 5 additions and 12 deletions
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17
include/privates.h
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@ -46,20 +46,13 @@ dixAllocatePrivate(PrivateRec **privates, const DevPrivateKey key);
static _X_INLINE pointer
dixLookupPrivate(PrivateRec **privates, const DevPrivateKey key)
{
PrivateRec *rec, *prev;
PrivateRec *rec = *privates;
pointer *ptr;
for (rec = *privates, prev = NULL; rec; prev = rec, rec = rec->next) {
if (rec->key != key)
continue;
if (prev) {
prev->next = rec->next;
rec->next = *privates;
*privates = rec;
}
return rec->value;
while (rec) {
if (rec->key == key)
return rec->value;
rec = rec->next;
}
ptr = dixAllocatePrivate(privates, key);