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Bug 882552 - Change Binder Thread's default priority to 0. r=mwu, r=jlebar

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This commit is contained in:
Sotaro Ikeda 2013-06-20 12:51:19 -04:00
parent 9fda21c058
commit be709a28b0
1 changed files with 25 additions and 0 deletions
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25
ipc/app/MozillaRuntimeMain.cpp
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@ -23,7 +23,22 @@
#endif
#ifdef MOZ_WIDGET_GONK
# include <sys/time.h>
# include <sys/resource.h>
# include <binder/ProcessState.h>
# ifdef LOGE_IF
# undef LOGE_IF
# endif
# include <android/log.h>
# define LOGE_IF(cond, ...) \
( (CONDITION(cond)) \
? ((void)__android_log_print(ANDROID_LOG_ERROR, \
"Gecko:MozillaRntimeMain", __VA_ARGS__)) \
: (void)0 )
#endif
int
@ -34,7 +49,17 @@ main(int argc, char* argv[])
// receive binder calls, though not necessary to send binder calls.
// ProcessState::Self() also needs to be called once on the main thread to
// register the main thread with the binder driver.
// Change thread priority to 0 only during calling ProcessState::self().
// The priority is registered to binder driver and used for default Binder
// Thread's priority.
// To change the process's priority to small value need's root permission.
int curPrio = getpriority(PRIO_PROCESS, 0);
int err = setpriority(PRIO_PROCESS, 0, 0);
MOZ_ASSERT(!err);
LOGE_IF(err, "setpriority failed. Current process needs root permission.");
android::ProcessState::self()->startThreadPool();
setpriority(PRIO_PROCESS, 0, curPrio);
#endif
#if defined(XP_WIN) && defined(DEBUG_bent)