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Merge "Eliminate single-process mode. Bug: 5010576"

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This commit is contained in:
Jeff Brown 2011-07-11 13:37:53 -07:00 committed by Android (Google) Code Review
commit e145dffb1d
3 changed files with 33 additions and 107 deletions
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85
cmds/runtime/main_runtime.cpp
View File

@ -93,12 +93,11 @@ extern void QuickTests();
static void usage(const char* argv0)
{
fprintf(stderr,
"Usage: runtime [-g gamma] [-l logfile] [-n] [-s]\n"
"Usage: runtime [-g gamma] [-l logfile] [-n]\n"
" [-j app-component] [-v app-verb] [-d app-data]\n"
"\n"
"-l: File to send log messages to\n"
"-n: Don't print to stdout/stderr\n"
"-s: Force single-process mode\n"
"-j: Custom home app component name\n"
"-v: Custom home app intent verb\n"
"-d: Custom home app intent data\n"
@ -145,21 +144,14 @@ static int run(sp<ProcessState>& proc)
LOGI("run() sending FIRST_CALL_TRANSACTION to activity manager");
am->transact(IBinder::FIRST_CALL_TRANSACTION, data, &reply);
if (proc->supportsProcesses()) {
// Now we link to the Activity Manager waiting for it to die. If it does kill ourself.
// initd will restart this process and bring the system back up.
sp<GrimReaper> grim = new GrimReaper();
am->linkToDeath(grim, grim.get(), 0);
// Now we link to the Activity Manager waiting for it to die. If it does kill ourself.
// initd will restart this process and bring the system back up.
sp<GrimReaper> grim = new GrimReaper();
am->linkToDeath(grim, grim.get(), 0);
// Now join the thread pool. Note this is needed so that the message enqueued in the driver
// for the linkToDeath gets processed.
IPCThreadState::self()->joinThreadPool();
} else {
// Keep this thread running forever...
while (1) {
usleep(100000);
}
}
// Now join the thread pool. Note this is needed so that the message enqueued in the driver
// for the linkToDeath gets processed.
IPCThreadState::self()->joinThreadPool();
return 1;
}
@ -179,14 +171,7 @@ LOGI("run() sending FIRST_CALL_TRANSACTION to activity manager");
*/
static void finish_system_init(sp<ProcessState>& proc)
{
// If we are running multiprocess, we now need to have the
// thread pool started here. We don't do this in boot_init()
// because when running single process we need to start the
// thread pool after the Android runtime has been started (so
// the pool uses Dalvik threads).
if (proc->supportsProcesses()) {
proc->startThreadPool();
}
proc->startThreadPool();
}
@ -214,11 +199,7 @@ static void boot_init()
LOGD("ProcessState: %p\n", proc.get());
proc->becomeContextManager(contextChecker, NULL);
if (proc->supportsProcesses()) {
LOGI("Binder driver opened. Multiprocess enabled.\n");
} else {
LOGI("Binder driver not found. Processes not supported.\n");
}
LOGI("Binder driver opened.\n");
sp<BServiceManager> sm = new BServiceManager;
proc->setContextObject(sm);
@ -340,7 +321,6 @@ static status_t start_process(const char* name)
extern "C"
int main(int argc, char* const argv[])
{
bool singleProcess = false;
const char* logFile = NULL;
int ic;
int result = 1;
@ -359,7 +339,7 @@ int main(int argc, char* const argv[])
#endif
while (1) {
ic = getopt(argc, argv, "g:j:v:d:l:ns");
ic = getopt(argc, argv, "g:j:v:d:l:n");
if (ic < 0)
break;
@ -381,9 +361,6 @@ int main(int argc, char* const argv[])
case 'n':
redirectStdFds();
break;
case 's':
singleProcess = true;
break;
case '?':
default:
LOGE("runtime: unrecognized flag -%c\n", ic);
@ -396,10 +373,6 @@ int main(int argc, char* const argv[])
usage(argv[0]);
}
if (singleProcess) {
ProcessState::setSingleProcess(true);
}
if (logFile != NULL) {
android_logToFile(NULL, logFile);
}
@ -475,33 +448,17 @@ int main(int argc, char* const argv[])
boot_init();
/* If we are in multiprocess mode, have zygote spawn the system
* server process and call system_init(). If we are running in
* single process mode just call system_init() directly.
*/
if (proc->supportsProcesses()) {
// If stdio logging is on, system_server should not inherit our stdio
// The dalvikvm instance will copy stdio to the log on its own
char propBuf[PROPERTY_VALUE_MAX];
bool logStdio = false;
property_get("log.redirect-stdio", propBuf, "");
logStdio = (strcmp(propBuf, "true") == 0);
// Have zygote spawn the system server process and call system_init().
// If stdio logging is on, system_server should not inherit our stdio
// The dalvikvm instance will copy stdio to the log on its own
char propBuf[PROPERTY_VALUE_MAX];
bool logStdio = false;
property_get("log.redirect-stdio", propBuf, "");
logStdio = (strcmp(propBuf, "true") == 0);
zygote_run_oneshot((int)(!logStdio),
sizeof(ZYGOTE_ARGV) / sizeof(ZYGOTE_ARGV[0]),
ZYGOTE_ARGV);
//start_process("/system/bin/mediaserver");
} else {
#ifndef HAVE_ANDROID_OS
QuickRuntime* runt = new QuickRuntime();
runt->start("com/android/server/SystemServer",
"" /* spontaneously fork system server from zygote */);
#endif
}
//printf("+++ post-zygote\n");
zygote_run_oneshot((int)(!logStdio),
sizeof(ZYGOTE_ARGV) / sizeof(ZYGOTE_ARGV[0]),
ZYGOTE_ARGV);
finish_system_init(proc);
run(proc);

4
include/binder/ProcessState.h
View File

@ -39,8 +39,6 @@ class ProcessState : public virtual RefBase
public:
static sp<ProcessState> self();
static void setSingleProcess(bool singleProcess);
void setContextObject(const sp<IBinder>& object);
sp<IBinder> getContextObject(const sp<IBinder>& caller);
@ -48,8 +46,6 @@ public:
const String16& name);
sp<IBinder> getContextObject(const String16& name,
const sp<IBinder>& caller);
bool supportsProcesses() const;
void startThreadPool();

51
libs/binder/ProcessState.cpp
View File

@ -43,8 +43,6 @@
#define BINDER_VM_SIZE ((1*1024*1024) - (4096 *2))
static bool gSingleProcess = false;
// ---------------------------------------------------------------------------
@ -82,12 +80,6 @@ sp<ProcessState> ProcessState::self()
return gProcess;
}
void ProcessState::setSingleProcess(bool singleProcess)
{
gSingleProcess = singleProcess;
}
void ProcessState::setContextObject(const sp<IBinder>& object)
{
setContextObject(object, String16("default"));
@ -95,11 +87,7 @@ void ProcessState::setContextObject(const sp<IBinder>& object)
sp<IBinder> ProcessState::getContextObject(const sp<IBinder>& caller)
{
if (supportsProcesses()) {
return getStrongProxyForHandle(0);
} else {
return getContextObject(String16("default"), caller);
}
return getStrongProxyForHandle(0);
}
void ProcessState::setContextObject(const sp<IBinder>& object, const String16& name)
@ -144,11 +132,6 @@ sp<IBinder> ProcessState::getContextObject(const String16& name, const sp<IBinde
return object;
}
bool ProcessState::supportsProcesses() const
{
return mDriverFD >= 0;
}
void ProcessState::startThreadPool()
{
AutoMutex _l(mLock);
@ -169,24 +152,19 @@ bool ProcessState::becomeContextManager(context_check_func checkFunc, void* user
AutoMutex _l(mLock);
mBinderContextCheckFunc = checkFunc;
mBinderContextUserData = userData;
if (mDriverFD >= 0) {
int dummy = 0;
int dummy = 0;
#if defined(HAVE_ANDROID_OS)
status_t result = ioctl(mDriverFD, BINDER_SET_CONTEXT_MGR, &dummy);
status_t result = ioctl(mDriverFD, BINDER_SET_CONTEXT_MGR, &dummy);
#else
status_t result = INVALID_OPERATION;
status_t result = INVALID_OPERATION;
#endif
if (result == 0) {
mManagesContexts = true;
} else if (result == -1) {
mBinderContextCheckFunc = NULL;
mBinderContextUserData = NULL;
LOGE("Binder ioctl to become context manager failed: %s\n", strerror(errno));
}
} else {
// If there is no driver, our only world is the local
// process so we can always become the context manager there.
if (result == 0) {
mManagesContexts = true;
} else if (result == -1) {
mBinderContextCheckFunc = NULL;
mBinderContextUserData = NULL;
LOGE("Binder ioctl to become context manager failed: %s\n", strerror(errno));
}
}
return mManagesContexts;
@ -322,10 +300,6 @@ void ProcessState::spawnPooledThread(bool isMain)
static int open_driver()
{
if (gSingleProcess) {
return -1;
}
int fd = open("/dev/binder", O_RDWR);
if (fd >= 0) {
fcntl(fd, F_SETFD, FD_CLOEXEC);
@ -386,9 +360,8 @@ ProcessState::ProcessState()
mDriverFD = -1;
#endif
}
if (mDriverFD < 0) {
// Need to run without the driver, starting our own thread pool.
}
LOG_ALWAYS_FATAL_IF(mDriverFD < 0, "Binder driver could not be opened. Terminating.");
}
ProcessState::~ProcessState()