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log more info on fence sync_merge error 

also fix a typo where the wrong value was passed to sterror.

Change-Id: I4df2abe582e14c8f816b65818f4593a6bd3c23ea
This commit is contained in:
Mathias Agopian 2012-07-30 15:10:35 -07:00
parent c666cae2d5
commit d83d67b5d5
1 changed files with 4 additions and 2 deletions
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6
libs/ui/Fence.cpp
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@ -55,8 +55,10 @@ sp<Fence> Fence::merge(const String8& name, const sp<Fence>& f1,
ATRACE_CALL();
int result = sync_merge(name.string(), f1->mFenceFd, f2->mFenceFd);
if (result == -1) {
ALOGE("merge: sync_merge returned an error: %s (%d)", strerror(-errno),
errno);
status_t err = -errno;
ALOGE("merge: sync_merge(\"%s\", %d, %d) returned an error: %s (%d)",
name.string(), f1->mFenceFd, f2->mFenceFd,
strerror(-err), err);
return NO_FENCE;
}
return sp<Fence>(new Fence(result));