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am 45778999: Merge "Fence didn\'t manager sync_wait error codes properly" into jb-mr1-dev

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* commit '45778999c705683ec0fcca3e90c7e9969e081d93':
  Fence didn't manager sync_wait error codes properly
This commit is contained in:
Mathias Agopian 2012-10-09 16:40:08 -07:00 committed by Android Git Automerger
commit 98e52bdb18
2 changed files with 8 additions and 7 deletions
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4
include/ui/Fence.h
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@ -60,14 +60,14 @@ public:
// before the fence signals then -ETIME is returned. A timeout of
// TIMEOUT_NEVER may be used to indicate that the call should wait
// indefinitely for the fence to signal.
int wait(unsigned int timeout);
status_t wait(unsigned int timeout);
// waitForever is a convenience function for waiting forever for a fence to
// signal (just like wait(TIMEOUT_NEVER)), but issuing an error to the
// system log and fence state to the kernel log if the wait lasts longer
// than warningTimeout. The logname argument should be a string identifying
// the caller and will be included in the log message.
int waitForever(unsigned int warningTimeout, const char* logname);
status_t waitForever(unsigned int warningTimeout, const char* logname);
// TIMEOUT_NEVER may be passed to the wait method to indicate that it
// should wait indefinitely for the fence to signal.

11
libs/ui/Fence.cpp
View File

@ -42,26 +42,27 @@ Fence::~Fence() {
}
}
int Fence::wait(unsigned int timeout) {
status_t Fence::wait(unsigned int timeout) {
ATRACE_CALL();
if (mFenceFd == -1) {
return NO_ERROR;
}
return sync_wait(mFenceFd, timeout);
int err = sync_wait(mFenceFd, timeout);
return err < 0 ? -errno : status_t(NO_ERROR);
}
int Fence::waitForever(unsigned int warningTimeout, const char* logname) {
status_t Fence::waitForever(unsigned int warningTimeout, const char* logname) {
ATRACE_CALL();
if (mFenceFd == -1) {
return NO_ERROR;
}
int err = sync_wait(mFenceFd, warningTimeout);
if (err == -ETIME) {
if (err < 0 && errno == ETIME) {
ALOGE("%s: fence %d didn't signal in %u ms", logname, mFenceFd,
warningTimeout);
err = sync_wait(mFenceFd, TIMEOUT_NEVER);
}
return err;
return err < 0 ? -errno : status_t(NO_ERROR);
}
sp<Fence> Fence::merge(const String8& name, const sp<Fence>& f1,