BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
{
switch (fdwReason)
{
case DLL_PROCESS_ATTACH:
if (!InitProcess())
return FALSE;
break;
case DLL_THREAD_ATTACH:
if (!InitThread())
return FALSE;
break;
case DLL_THREAD_DETACH:
if (!DetachThread())
return FALSE;
break;
case DLL_PROCESS_DETACH:
DetachProcess();
break;
default:
assert(0 && "DllMain(): Reason for calling DLL Main is unknown");
return FALSE;
}
return TRUE;
}
//
// Driver must call this first, once, before doing any other
// compiler operations.
//
int ShInitialize()
{
if (!InitProcess())
return 0;
return 1;
}
//
// Driver must call this first, once, before doing any other compiler operations.
// Subsequent calls to this function are no-op.
//
bool ShInitialize()
{
if (!isInitialized)
{
isInitialized = InitProcess();
}
return isInitialized;
}
static void
WalSendServer_ServicePostgresInit(void)
{
/* See InitPostgres()... */
InitProcess();
InitBufferPoolBackend();
InitXLOGAccess();
}
/* static */
nsresult
nsMIMEInfoBase::LaunchWithIProcess(nsIFile* aApp, const nsString& aArg)
{
nsresult rv;
nsCOMPtr<nsIProcess> process = InitProcess(aApp, &rv);
if (NS_FAILED(rv))
return rv;
const char16_t *string = aArg.get();
return process->Runw(false, &string, 1);
}
BOOL CRelaxReminderDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// Add "About..." menu item to system menu.
// IDM_ABOUTBOX must be in the system command range.
ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
ASSERT(IDM_ABOUTBOX < 0xF000);
CMenu* pSysMenu = GetSystemMenu(FALSE);
if (pSysMenu != NULL)
{
CString strAboutMenu;
strAboutMenu.LoadString(IDS_ABOUTBOX);
if (!strAboutMenu.IsEmpty())
{
pSysMenu->AppendMenu(MF_SEPARATOR);
pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
}
}
// Set the icon for this dialog. The framework does this automatically
// when the application's main window is not a dialog
SetIcon(m_hIcon, TRUE); // Set big icon
SetIcon(m_hIcon, FALSE); // Set small icon
// TODO: Add extra initialization here
// 只允许运行一个程序实例
SetProp(m_hWnd, g_szPropName, g_hValue);
// 初始化成员变量、临界区保护资源、打印模块
InitProcess();
// 初始化设置参数
InitLoadSetting();
// 初始化提示窗口(必须在加载完参数后执行，由于需要加载窗口语言)
InitNotifyWindow();
// 初始化显示
InitShowFloatingWindow();
InitShowTrayIcon();
// 开启1s定时器
SetTimer(TIMER_HEART_BEAT_1S, 1000, NULL);
// 自动开始计时
OnMenuStartWork();
return TRUE; // return TRUE unless you set the focus to a control
}
//
// ShInitialize() should be called exactly once per process, not per thread.
//
int ShInitialize()
{
glslang::InitGlobalLock();
if (! InitProcess())
return 0;
if (! PerProcessGPA)
PerProcessGPA = new TPoolAllocator();
glslang::TScanContext::fillInKeywordMap();
return 1;
}
int C_DECL Hlsl2Glsl_Initialize(GlobalAllocateFunction alloc, GlobalFreeFunction free, void* user)
{
TInfoSink infoSink;
bool ret = true;
SetGlobalAllocationAllocator(alloc, free, user);
if (!InitProcess())
return 0;
// This method should be called once per process. If its called by multiple threads, then
// we need to have thread synchronization code around the initialization of per process
// global pool allocator
if (!PerProcessGPA)
{
TPoolAllocator *builtInPoolAllocator = new TPoolAllocator(true);
builtInPoolAllocator->push();
TPoolAllocator* gPoolAllocator = &GlobalPoolAllocator;
SetGlobalPoolAllocatorPtr(builtInPoolAllocator);
TSymbolTable symTables[EShLangCount];
GenerateBuiltInSymbolTable(infoSink, symTables, EShLangCount);
PerProcessGPA = new TPoolAllocator(true);
PerProcessGPA->push();
SetGlobalPoolAllocatorPtr(PerProcessGPA);
SymbolTables[EShLangVertex].copyTable(symTables[EShLangVertex]);
SymbolTables[EShLangFragment].copyTable(symTables[EShLangFragment]);
SetGlobalPoolAllocatorPtr(gPoolAllocator);
symTables[EShLangVertex].pop();
symTables[EShLangFragment].pop();
initializeHLSLSupportLibrary();
builtInPoolAllocator->popAll();
delete builtInPoolAllocator;
}
return ret ? 1 : 0;
}
//
// Driver must call this first, once, before doing any other
// compiler/linker operations.
//
int ShInitialize()
{
TInfoSink infoSink;
bool ret = true;
if (!InitProcess())
return 0;
// This method should be called once per process. If its called by multiple threads, then
// we need to have thread synchronization code around the initialization of per process
// global pool allocator
if (!PerProcessGPA) {
TPoolAllocator *builtInPoolAllocator = new TPoolAllocator(true);
builtInPoolAllocator->push();
TPoolAllocator* gPoolAllocator = &GlobalPoolAllocator;
SetGlobalPoolAllocatorPtr(builtInPoolAllocator);
TSymbolTable symTables[EShLangCount];
GenerateBuiltInSymbolTable(0, infoSink, symTables);
PerProcessGPA = new TPoolAllocator(true);
PerProcessGPA->push();
SetGlobalPoolAllocatorPtr(PerProcessGPA);
SymbolTables[EShLangVertex].copyTable(symTables[EShLangVertex]);
SymbolTables[EShLangFragment].copyTable(symTables[EShLangFragment]);
SetGlobalPoolAllocatorPtr(gPoolAllocator);
symTables[EShLangVertex].pop();
symTables[EShLangFragment].pop();
builtInPoolAllocator->popAll();
delete builtInPoolAllocator;
}
return ret ? 1 : 0;
}
int C_DECL Hlsl2Glsl_Initialize()
{
TInfoSink infoSink;
if (!InitProcess())
return 0;
if (!PerProcessGPA)
{
TPoolAllocator *builtInPoolAllocator = new TPoolAllocator();
builtInPoolAllocator->push();
TPoolAllocator* gPoolAllocator = &GlobalPoolAllocator;
SetGlobalPoolAllocatorPtr(builtInPoolAllocator);
TSymbolTable symTables[EShLangCount];
GenerateBuiltInSymbolTable(infoSink, symTables, EShLangCount);
PerProcessGPA = new TPoolAllocator();
PerProcessGPA->push();
SetGlobalPoolAllocatorPtr(PerProcessGPA);
SymbolTables[EShLangVertex].copyTable(symTables[EShLangVertex]);
SymbolTables[EShLangFragment].copyTable(symTables[EShLangFragment]);
SetGlobalPoolAllocatorPtr(gPoolAllocator);
symTables[EShLangVertex].pop();
symTables[EShLangFragment].pop();
builtInPoolAllocator->popAll();
delete builtInPoolAllocator;
}
return 1;
}
static JObject* InitModules() {
InitModuleList();
return InitProcess();
}
//================================================
//メインループ
//================================================
void Luna::Main(long ArgNum, char *pArgStr[])
{
//----------------------------------------
//全システムの開始
//----------------------------------------
if(Luna::Start() )
{
//--------------------------------
//初期化処理
//--------------------------------
InitProcess();
//LunaInput::GetMouseData(&camera.Mouse);
//LunaInput::GetMouseData(&camera.MouseOld);
//--------------------------------
//ゲーム用ループ
//--------------------------------
while(Luna::WaitForMsgLoop() )
{
/*画面クリア*/
Luna3D::Clear(D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER, COLOR_BLACK, 1.0f);
//Luna3D::Clear(D3DCLEAR_TARGET, COLOR_WHITE);
/*デバッグ画面クリア*/
// LunaDebug::Clear();
switch(g_GameMode)
{
case SCENE_INITIALIZE:
{
Initialize();
break;
}
case SCENE_LOGO:
{
//DrawLogo();
break;
}
case SCENE_TITLE:
{
DrawTitle();
break;
}
case SCENE_CHARSEL:
{
DrawCharaSelect();
break;
}
case SCENE_MAIN:
{
DrawMain();
break;
}
case SCENE_OPTION:
{
DrawOption();
break;
}
case SCENE_TUTOLIAL:
{
DrawTutorial();
break;
}
case SCENE_PAUSE:
{
DrawPause();
break;
}
case SCENE_PAUSEEXIT:
{
DrawPauseExit();
break;
}
case SCENE_ERROR:
{
DrawError();
break;
}
case SCENE_EXIT:
{
DrawExit();
break;
}
case SCENE_FADEIN:
{
Fadein();
break;
}
case SCENE_FADEOUT:
{
Fadeout();
break;
}
case SCENE_CONV:
{
Conversation();
break;
}
case SCENE_GAMECLEAR:
{
DrawGameClear();
break;
}
case SCENE_GAMEOVER:
{
DrawGameOver();
break;
}
case SCENE_CONTINUE:
{
DrawContinue();
break;
}
case SCENE_FINALIZE:
{
Finalize();
break;
}
}
/*画面更新*/
Luna3D::Refresh();
/*デバッグ処理*/
// Debug();
}
/*終了処理*/
Finalize();
}
}
//-------------------------------------------------
BOOL APIENTRY DllMain(HINSTANCE hModule, DWORD reason, LPVOID reserved)
{
HANDLE hMapObject = NULL; /* handle to file mapping */
BOOL fInit, fIgnore;
// ThreadData *pThread;
switch (reason) {
case DLL_PROCESS_ATTACH:
/* Create a named file mapping object */
MyInstance = hModule;
hMapObject = CreateFileMapping(
(HANDLE) 0xFFFFFFFF, /* use paging file */
NULL, /* no security attr. */
PAGE_READWRITE, /* read/write access */
0, /* size: high 32-bits */
sizeof(SharedMem), /* size: low 32-bits */
_TEXT("UniKeyHookSharedMem3.65 Release"));/* name of map object */
if (hMapObject == NULL)
return FALSE;
fInit = (GetLastError() != ERROR_ALREADY_EXISTS);
/* Get a pointer to the file-mapped shared memory. */
pShMem = (SharedMem *) MapViewOfFile(
hMapObject, /* object to map view of */
FILE_MAP_WRITE, /* read/write access */
0, /* high offset: map from */
0, /* low offset: beginning */
0); /* default: map entire file */
if (pShMem == NULL)
return FALSE;
InitProcess();
if (fInit)
initDLL();
// TlsIdx = TlsAlloc();
// InitThread();
break;
/*
* The DLL is detaching from a process due to
* process termination or a call to FreeLibrary.
*/
/*
case DLL_THREAD_ATTACH:
InitThread();
break;
case DLL_THREAD_DETACH:
pThread = (ThreadData *)TlsGetValue(TlsIdx);
if (pThread != NULL)
delete pThread;
break;
*/
case DLL_PROCESS_DETACH:
/* Unmap shared memory from the process's address space. */
fIgnore = UnmapViewOfFile(pShMem);
/* Close the process's handle to the file-mapping object. */
fIgnore = CloseHandle(hMapObject);
// TlsFree(TlsIdx);
break;
default:
break;
}
return TRUE;
UNREFERENCED_PARAMETER(hModule);
UNREFERENCED_PARAMETER(reserved);
}
/* --------------------------------
* InitPostgres
* Initialize POSTGRES.
*
* Note:
* Be very careful with the order of calls in the InitPostgres function.
* --------------------------------
*/
void
InitPostgres(const char *dbname, const char *username)
{
bool bootstrap = IsBootstrapProcessingMode();
/*
* Set up the global variables holding database id and path.
*
* We take a shortcut in the bootstrap case, otherwise we have to look up
* the db name in pg_database.
*/
if (bootstrap)
{
MyDatabaseId = TemplateDbOid;
SetDatabasePath(GetDatabasePath(MyDatabaseId));
}
else
{
char *fullpath,
datpath[MAXPGPATH];
/*
* Formerly we validated DataDir here, but now that's done
* earlier.
*/
/*
* Find oid and path of the database we're about to open. Since
* we're not yet up and running we have to use the hackish
* GetRawDatabaseInfo.
*/
GetRawDatabaseInfo(dbname, &MyDatabaseId, datpath);
if (!OidIsValid(MyDatabaseId))
ereport(FATAL,
(errcode(ERRCODE_UNDEFINED_DATABASE),
errmsg("database \"%s\" does not exist",
dbname)));
fullpath = GetDatabasePath(MyDatabaseId);
/* Verify the database path */
if (access(fullpath, F_OK) == -1)
{
if (errno == ENOENT)
ereport(FATAL,
(errcode(ERRCODE_UNDEFINED_DATABASE),
errmsg("database \"%s\" does not exist",
dbname),
errdetail("The database subdirectory \"%s\" is missing.",
fullpath)));
else
ereport(FATAL,
(errcode_for_file_access(),
errmsg("could not access directory \"%s\": %m",
fullpath)));
}
ValidatePgVersion(fullpath);
if (chdir(fullpath) == -1)
ereport(FATAL,
(errcode_for_file_access(),
errmsg("could not change directory to \"%s\": %m",
fullpath)));
SetDatabasePath(fullpath);
}
/*
* Code after this point assumes we are in the proper directory!
*/
/*
* Set up my per-backend PGPROC struct in shared memory. (We need
* to know MyDatabaseId before we can do this, since it's entered into
* the PGPROC struct.)
*/
InitProcess();
/*
* Initialize my entry in the shared-invalidation manager's array of
* per-backend data. (Formerly this came before InitProcess, but now
* it must happen after, because it uses MyProc.) Once I have done
* this, I am visible to other backends!
*
* Sets up MyBackendId, a unique backend identifier.
*/
MyBackendId = InvalidBackendId;
InitBackendSharedInvalidationState();
if (MyBackendId > MaxBackends || MyBackendId <= 0)
elog(FATAL, "bad backend id: %d", MyBackendId);
/*
* Initialize the transaction system override state.
*/
AmiTransactionOverride(bootstrap);
/*
* Initialize the relation descriptor cache. This must create at
* least the minimum set of "nailed-in" cache entries. No catalog
* access happens here.
*/
RelationCacheInitialize();
/*
* Initialize all the system catalog caches. Note that no catalog
* access happens here; we only set up the cache structure.
*/
InitCatalogCache();
/* Initialize portal manager */
EnablePortalManager();
/*
* Initialize the deferred trigger manager --- must happen before
* first transaction start.
*/
DeferredTriggerInit();
/* start a new transaction here before access to db */
if (!bootstrap)
StartTransactionCommand();
/*
* It's now possible to do real access to the system catalogs.
*
* Replace faked-up relcache entries with correct info.
*/
RelationCacheInitializePhase2();
/*
* Figure out our postgres user id. In standalone mode we use a fixed
* id, otherwise we figure it out from the authenticated user name.
*/
if (bootstrap)
InitializeSessionUserIdStandalone();
else if (!IsUnderPostmaster)
{
InitializeSessionUserIdStandalone();
if (!ThereIsAtLeastOneUser())
ereport(WARNING,
(errcode(ERRCODE_UNDEFINED_OBJECT),
errmsg("no users are defined in this database system"),
errhint("You should immediately run CREATE USER \"%s\" WITH SYSID %d CREATEUSER;.",
username, BOOTSTRAP_USESYSID)));
}
else
{
/* normal multiuser case */
InitializeSessionUserId(username);
}
/*
* Unless we are bootstrapping, double-check that InitMyDatabaseInfo()
* got a correct result. We can't do this until all the
* database-access infrastructure is up.
*/
if (!bootstrap)
ReverifyMyDatabase(dbname);
/*
* Final phase of relation cache startup: write a new cache file if
* necessary. This is done after ReverifyMyDatabase to avoid writing
* a cache file into a dead database.
*/
RelationCacheInitializePhase3();
/*
* Check a normal user hasn't connected to a superuser reserved slot.
* We can't do this till after we've read the user information, and we
* must do it inside a transaction since checking superuserness may
* require database access. The superuser check is probably the most
* expensive part; don't do it until necessary.
*/
if (ReservedBackends > 0 &&
CountEmptyBackendSlots() < ReservedBackends &&
!superuser())
ereport(FATAL,
(errcode(ERRCODE_TOO_MANY_CONNECTIONS),
errmsg("connection limit exceeded for non-superusers")));
/*
* Initialize various default states that can't be set up until we've
* selected the active user and done ReverifyMyDatabase.
*/
/* set default namespace search path */
InitializeSearchPath();
/* initialize client encoding */
InitializeClientEncoding();
/*
* Now all default states are fully set up. Report them to client if
* appropriate.
*/
BeginReportingGUCOptions();
/*
* Set up process-exit callback to do pre-shutdown cleanup. This
* should be last because we want shmem_exit to call this routine
* before the exit callbacks that are registered by buffer manager,
* lock manager, etc. We need to run this code before we close down
* database access!
*/
on_shmem_exit(ShutdownPostgres, 0);
/* close the transaction we started above */
if (!bootstrap)
CommitTransactionCommand();
}
/*
* AutoVacMain
*/
NON_EXEC_STATIC void
AutoVacMain(int argc, char *argv[])
{
ListCell *cell;
List *dblist;
autovac_dbase *db;
TransactionId xidForceLimit;
bool for_xid_wrap;
sigjmp_buf local_sigjmp_buf;
/* we are a postmaster subprocess now */
IsUnderPostmaster = true;
am_autovacuum = true;
/* MPP-4990: Autovacuum always runs as utility-mode */
Gp_role = GP_ROLE_UTILITY;
/* reset MyProcPid */
MyProcPid = getpid();
/* record Start Time for logging */
MyStartTime = time(NULL);
/* Identify myself via ps */
init_ps_display("autovacuum process", "", "", "");
SetProcessingMode(InitProcessing);
/*
* If possible, make this process a group leader, so that the postmaster
* can signal any child processes too. (autovacuum probably never has
* any child processes, but for consistency we make all postmaster
* child processes do this.)
*/
#ifdef HAVE_SETSID
if (setsid() < 0)
elog(FATAL, "setsid() failed: %m");
#endif
/*
* Set up signal handlers. We operate on databases much like a regular
* backend, so we use the same signal handling. See equivalent code in
* tcop/postgres.c.
*
* Currently, we don't pay attention to postgresql.conf changes that
* happen during a single daemon iteration, so we can ignore SIGHUP.
*/
pqsignal(SIGHUP, SIG_IGN);
/*
* SIGINT is used to signal cancelling the current table's vacuum; SIGTERM
* means abort and exit cleanly, and SIGQUIT means abandon ship.
*/
pqsignal(SIGINT, StatementCancelHandler);
pqsignal(SIGTERM, die);
pqsignal(SIGQUIT, quickdie);
pqsignal(SIGALRM, handle_sig_alarm);
pqsignal(SIGPIPE, SIG_IGN);
pqsignal(SIGUSR1, procsignal_sigusr1_handler);
/* We don't listen for async notifies */
pqsignal(SIGUSR2, SIG_IGN);
pqsignal(SIGFPE, FloatExceptionHandler);
pqsignal(SIGCHLD, SIG_DFL);
/* Early initialization */
BaseInit();
/*
* Create a per-backend PGPROC struct in shared memory, except in the
* EXEC_BACKEND case where this was done in SubPostmasterMain. We must do
* this before we can use LWLocks (and in the EXEC_BACKEND case we already
* had to do some stuff with LWLocks).
*/
#ifndef EXEC_BACKEND
InitProcess();
#endif
/*
* If an exception is encountered, processing resumes here.
*
* See notes in postgres.c about the design of this coding.
*/
if (sigsetjmp(local_sigjmp_buf, 1) != 0)
{
/* Prevents interrupts while cleaning up */
HOLD_INTERRUPTS();
/* Report the error to the server log */
EmitErrorReport();
/*
* We can now go away. Note that because we called InitProcess, a
* callback was registered to do ProcKill, which will clean up
* necessary state.
*/
proc_exit(0);
}
/* We can now handle ereport(ERROR) */
PG_exception_stack = &local_sigjmp_buf;
PG_SETMASK(&UnBlockSig);
/*
* Force zero_damaged_pages OFF in the autovac process, even if it is set
* in postgresql.conf. We don't really want such a dangerous option being
* applied non-interactively.
*/
SetConfigOption("zero_damaged_pages", "false", PGC_SUSET, PGC_S_OVERRIDE);
/* Get a list of databases */
dblist = autovac_get_database_list();
/*
* Determine the oldest datfrozenxid/relfrozenxid that we will allow
* to pass without forcing a vacuum. (This limit can be tightened for
* particular tables, but not loosened.)
*/
recentXid = ReadNewTransactionId();
xidForceLimit = recentXid - autovacuum_freeze_max_age;
/* ensure it's a "normal" XID, else TransactionIdPrecedes misbehaves */
if (xidForceLimit < FirstNormalTransactionId)
xidForceLimit -= FirstNormalTransactionId;
/*
* Choose a database to connect to. We pick the database that was least
* recently auto-vacuumed, or one that needs vacuuming to prevent Xid
* wraparound-related data loss. If any db at risk of wraparound is
* found, we pick the one with oldest datfrozenxid,
* independently of autovacuum times.
*
* Note that a database with no stats entry is not considered, except for
* Xid wraparound purposes. The theory is that if no one has ever
* connected to it since the stats were last initialized, it doesn't need
* vacuuming.
*
* XXX This could be improved if we had more info about whether it needs
* vacuuming before connecting to it. Perhaps look through the pgstats
* data for the database's tables? One idea is to keep track of the
* number of new and dead tuples per database in pgstats. However it
* isn't clear how to construct a metric that measures that and not cause
* starvation for less busy databases.
*/
db = NULL;
for_xid_wrap = false;
foreach(cell, dblist)
{
autovac_dbase *tmp = lfirst(cell);
/* Find pgstat entry if any */
tmp->entry = pgstat_fetch_stat_dbentry(tmp->oid);
/* Check to see if this one is at risk of wraparound */
if (TransactionIdPrecedes(tmp->frozenxid, xidForceLimit))
{
if (db == NULL ||
TransactionIdPrecedes(tmp->frozenxid, db->frozenxid))
db = tmp;
for_xid_wrap = true;
continue;
}
else if (for_xid_wrap)
continue; /* ignore not-at-risk DBs */
/*
* Otherwise, skip a database with no pgstat entry; it means it
* hasn't seen any activity.
*/
if (!tmp->entry)
continue;
/*
* Remember the db with oldest autovac time. (If we are here,
* both tmp->entry and db->entry must be non-null.)
*/
if (db == NULL ||
tmp->entry->last_autovac_time < db->entry->last_autovac_time)
db = tmp;
}
void init(int argc, char **argv)
{
FILE *fp;
int daemon = FALSE;
int i, ntoken, status, problems;
BOOL debug;
THREAD tid;
char pwd[MAXPATHLEN+1], RunFile[MAXPATHLEN+1];
char *token[MAXTOKEN];
char *myname, *sta, *log, *user, *prefix, *dbspec = NULL;
struct stat statbuf;
struct isp_dascnf dascnf;
LOGIO *lp = NULL;
static char *fid = "init";
memset(DasCnf, 0, sizeof(struct isp_dascnf));
MUTEX_INIT(&DasCnf->mutex);
/* Get my name without path prefix (if any) */
if ((myname = strdup(argv[0])) == NULL) {
perror(argv[0]);
exit(1);
}
ntoken = util_sparse(myname, token, "./", MAXTOKEN);
myname = token[ntoken-1];
/* Parse command line for required input and selected overrides */
sta = (char *) NULL;
user = ISPD_DEF_USER;
log = NULL;
debug = ISPD_DEF_DEBUG;
for (i = 1; i < argc; i++) {
if (strncasecmp(argv[i], "sta=", strlen("sta=")) == 0) {
sta = argv[i] + strlen("sta=");
} else if (strncasecmp(argv[i], "log=", strlen("log=")) == 0) {
log = argv[i] + strlen("log=");
} else if (strncasecmp(argv[i], "db=", strlen("db=")) == 0) {
dbspec = argv[i] + strlen("db=");
} else if (strncasecmp(argv[i], "user="******"user="******"user="******"-debug") == 0) {
debug = TRUE;
} else if (strcasecmp(argv[i], "-bd") == 0) {
daemon = TRUE;
} else if (sta == (char *) NULL) {
sta = argv[i];
} else {
help(myname);
}
}
if (sta == NULL) {
fprintf(stderr, "%s: system name must be specified\n", myname);
help(myname);
}
if (log == NULL) log = daemon ? DEFAULT_BACKGROUND_LOG : DEFAULT_FOREGROUND_LOG;
if (!isidlSetGlobalParameters(dbspec, argv[0], &Params->glob)) {
fprintf(stderr, "%s: isidlSetGlobalParameters: %s\n", argv[0], strerror(errno));
exit(1);
}
sprintf(pwd, "%s/%s/%s", Params->glob.root, sta, ISP_SUBDIR);
if (chdir(pwd) != 0) {
fprintf(stderr, "%s: chdir: ", myname);
perror(pwd);
exit (1);
}
Home = strdup(Params->glob.root);
Syscode = strdup(sta);
prefix = strdup(sta);
if (Home == (char *) NULL || Syscode == (char *) NULL || prefix == NULL) {
perror(myname);
exit(1);
}
Syscode = util_lcase(Syscode);
/* Make sure we can find the various set up files now */
problems = 0;
if ((fp = fopen(ISP_RUN_FILE, "r")) == (FILE *) NULL) {
fprintf(stderr, "%s: fopen: %s/", myname, pwd);
perror(ISP_RUN_FILE);
++problems;
} else {
fclose(fp);
}
if (problems) exit(1);
/* Load run parameters */
sprintf(RunFile, "%s/%s", pwd, ISP_RUN_FILE);
if (!ispLoadRunParam(RunFile, sta, Params, Server)) {
fprintf(stderr, "%s: problems with parameter file\n", myname);
exit(1);
}
/* By insuring that we can stat the output device now, we will later
* be able to treat open failures as no-media-installed conditions.
*/
SetOutputMediaType();
if (OutputMediaType() == ISP_OUTPUT_TAPE && stat(Params->odev, &statbuf) != 0) {
fprintf(stderr, "%s: can't stat: ", myname);
perror(Params->odev);
exit(1);
}
/* Check for digitizer specific support files */
if (Params->digitizer == ISP_DAS) {
if (isp_getcnf(&dascnf) != 0) {
fprintf(stderr, "%s: fopen: %s/", myname, pwd);
perror(ISP_CNF_FILE);
fprintf(stderr, "can't load DAS configuration... set default\n");
dascnf.flag = ISP_DASCNF_DEF;
if (isp_setcnf(&dascnf) != 0 || isp_getcnf(&dascnf) != 0) {
perror("can't load default DAS configuration either!\n");
++problems;
}
}
}
if (problems) exit(1);
/* Set user and group identity */
utilSetIdentity(user);
/* Go into the background */
if (daemon && !utilBackGround()) {
perror("utilBackGround");
exit(1);
}
/* Start logging facility */
util_ucase(prefix);
if ((lp = InitLogging(myname, log, prefix, debug)) == NULL) {
perror("InitLogging");
exit(1);
}
ispSetLogParameter(Params, lp);
LogMsg(LOG_DEBUG, "uid=%d, euid=%d, gid=%d, egid=%d", getuid(), geteuid(), getgid(), getegid());
if (Params->rt593.present) {
LogMsg(LOG_INFO, "Configured for RT593 with %d tic delay", Params->rt593.correct);
}
/* Initialize the message queues and massio buffers */
InitMsgqs();
/* Initialize the status structure */
status_init();
/* Start signal handling thread */
signals_init();
/* Initialize the output device */
InitMediaOps();
/* Start the ISI thread */
InitIsi(lp);
sleep(1);
/* Start the digitizer specific I/O thread */
if (Params->digitizer == ISP_DAS) {
InitDasIO();
} else {
InitSanIO();
}
sleep(1);
/* Start the DAS packet processor thread */
InitProcess();
sleep(1);
/* Start the massio buffering thread */
InitMassio();
sleep(1);
/* Start the DAS status request thread */
InitSoh();
sleep(1);
/* Start the digitizer configuration verification process */
if (Params->digitizer == ISP_DAS) {
VerifyDasConfig(0);
} else {
VerifySanConfig(0);
}
/* Start up auxiliary threads, if any */
if (Params->clock.enabled) {
set_alarm(ISP_ALARM_AUXCLK);
InitClock();
}
if (Params->baro.enabled) {
set_alarm(ISP_ALARM_AUX);
InitBaro();
}
if (Params->dpm.enabled) {
set_alarm(ISP_ALARM_AUX);
InitDPM();
}
/* Start up ISP injection service */
if (Params->inject) isp_inject();
/* Command and control server */
server_init();
/* iboot watchdog */
StartIbootWatchdog();
return;
}
void
ContQuerySchedulerMain(int argc, char *argv[])
{
sigjmp_buf local_sigjmp_buf;
List *dbs = NIL;
/* we are a postmaster subprocess now */
IsUnderPostmaster = true;
am_cont_scheduler = true;
/* reset MyProcPid */
MyProcPid = getpid();
MyPMChildSlot = AssignPostmasterChildSlot();
/* record Start Time for logging */
MyStartTime = time(NULL);
/* Identify myself via ps */
init_ps_display("continuous query scheduler process", "", "", "");
ereport(LOG, (errmsg("continuous query scheduler started")));
if (PostAuthDelay)
pg_usleep(PostAuthDelay * 1000000L);
SetProcessingMode(InitProcessing);
/*
* If possible, make this process a group leader, so that the postmaster
* can signal any child processes too. This is only for consistency sake, we
* never fork the scheduler process. Instead dynamic bgworkers are used.
*/
#ifdef HAVE_SETSID
if (setsid() < 0)
elog(FATAL, "setsid() failed: %m");
#endif
/*
* Set up signal handlers. We operate on databases much like a regular
* backend, so we use the same signal handling. See equivalent code in
* tcop/postgres.c.
*/
pqsignal(SIGHUP, sighup_handler);
pqsignal(SIGINT, sigint_handler);
pqsignal(SIGTERM, sigterm_handler);
pqsignal(SIGQUIT, quickdie);
InitializeTimeouts(); /* establishes SIGALRM handler */
pqsignal(SIGPIPE, SIG_IGN);
pqsignal(SIGUSR1, procsignal_sigusr1_handler);
pqsignal(SIGUSR2, sigusr2_handler);
pqsignal(SIGFPE, FloatExceptionHandler);
pqsignal(SIGCHLD, SIG_DFL);
#define BACKTRACE_SEGFAULTS
#ifdef BACKTRACE_SEGFAULTS
pqsignal(SIGSEGV, debug_segfault);
#endif
/* Early initialization */
BaseInit();
/*
* Create a per-backend PGPROC struct in shared memory, except in the
* EXEC_BACKEND case where this was done in SubPostmasterMain. We must do
* this before we can use LWLocks (and in the EXEC_BACKEND case we already
* had to do some stuff with LWLocks).
*/
#ifndef EXEC_BACKEND
InitProcess();
#endif
InitPostgres(NULL, InvalidOid, NULL, NULL);
SetProcessingMode(NormalProcessing);
/*
* Create a memory context that we will do all our work in. We do this so
* that we can reset the context during error recovery and thereby avoid
* possible memory leaks.
*/
ContQuerySchedulerMemCxt = AllocSetContextCreate(TopMemoryContext,
"ContQuerySchedulerCtx",
ALLOCSET_DEFAULT_MINSIZE,
ALLOCSET_DEFAULT_INITSIZE,
ALLOCSET_DEFAULT_MAXSIZE);
MemoryContextSwitchTo(ContQuerySchedulerMemCxt);
/*
* If an exception is encountered, processing resumes here.
*
* This code is a stripped down version of PostgresMain error recovery.
*/
if (sigsetjmp(local_sigjmp_buf, 1) != 0)
{
/* since not using PG_TRY, must reset error stack by hand */
error_context_stack = NULL;
/* Prevents interrupts while cleaning up */
HOLD_INTERRUPTS();
/* Forget any pending QueryCancel or timeout request */
disable_all_timeouts(false);
QueryCancelPending = false; /* second to avoid race condition */
/* Report the error to the server log */
EmitErrorReport();
/* Abort the current transaction in order to recover */
AbortCurrentTransaction();
/*
* Now return to normal top-level context and clear ErrorContext for
* next time.
*/
MemoryContextSwitchTo(ContQuerySchedulerMemCxt);
FlushErrorState();
/* Flush any leaked data in the top-level context */
MemoryContextResetAndDeleteChildren(ContQuerySchedulerMemCxt);
/* Now we can allow interrupts again */
RESUME_INTERRUPTS();
/*
* Sleep at least 1 second after any error. We don't want to be
* filling the error logs as fast as we can.
*/
pg_usleep(1000000L);
}
/* We can now handle ereport(ERROR) */
PG_exception_stack = &local_sigjmp_buf;
/* must unblock signals before calling rebuild_database_list */
PG_SETMASK(&UnBlockSig);
ContQuerySchedulerShmem->scheduler_pid = MyProcPid;
dbs = get_database_list();
/* Loop forever */
for (;;)
{
ListCell *lc;
int rc;
foreach(lc, dbs)
{
DatabaseEntry *db_entry = lfirst(lc);
bool found;
ContQueryProcGroup *grp = hash_search(ContQuerySchedulerShmem->proc_table, &db_entry->oid, HASH_ENTER, &found);
/* If we don't have an entry for this dboid, initialize a new one and fire off bg procs */
if (!found)
{
grp->db_oid = db_entry->oid;
namestrcpy(&grp->db_name, NameStr(db_entry->name));
start_group(grp);
}
}
/* Allow sinval catchup interrupts while sleeping */
EnableCatchupInterrupt();
/*
* Wait until naptime expires or we get some type of signal (all the
* signal handlers will wake us by calling SetLatch).
*/
rc = WaitLatch(&MyProc->procLatch, WL_LATCH_SET | WL_POSTMASTER_DEATH, 0);
ResetLatch(&MyProc->procLatch);
DisableCatchupInterrupt();
/*
* Emergency bailout if postmaster has died. This is to avoid the
* necessity for manual cleanup of all postmaster children.
*/
if (rc & WL_POSTMASTER_DEATH)
proc_exit(1);
/* the normal shutdown case */
if (got_SIGTERM)
break;
/* update config? */
if (got_SIGHUP)
{
got_SIGHUP = false;
ProcessConfigFile(PGC_SIGHUP);
/* update tuning parameters, so that they can be read downstream by background processes */
update_tuning_params();
}
/* terminate a proc group? */
if (got_SIGUSR2)
{
HASH_SEQ_STATUS status;
ContQueryProcGroup *grp;
got_SIGUSR2 = false;
hash_seq_init(&status, ContQuerySchedulerShmem->proc_table);
while ((grp = (ContQueryProcGroup *) hash_seq_search(&status)) != NULL)
{
ListCell *lc;
if (!grp->terminate)
continue;
foreach(lc, dbs)
{
DatabaseEntry *entry = lfirst(lc);
if (entry->oid == grp->db_oid)
{
dbs = list_delete(dbs, entry);
break;
}
}
terminate_group(grp);
}
}
/**
* This method is called after fork of the sweeper process. It sets up signal
* handlers and does initialization that is required by a postgres backend.
*/
NON_EXEC_STATIC void
BackoffSweeperMain(int argc, char *argv[])
{
sigjmp_buf local_sigjmp_buf;
IsUnderPostmaster = true;
isSweeperProcess = true;
/* Stay away from PMChildSlot */
MyPMChildSlot = -1;
/* reset MyProcPid */
MyProcPid = getpid();
/* Lose the postmaster's on-exit routines */
on_exit_reset();
/* Identify myself via ps */
init_ps_display("sweeper process", "", "", "");
SetProcessingMode(InitProcessing);
/*
* Set up signal handlers. We operate on databases much like a regular
* backend, so we use the same signal handling. See equivalent code in
* tcop/postgres.c.
*/
pqsignal(SIGHUP, SIG_IGN);
pqsignal(SIGINT, SIG_IGN);
pqsignal(SIGALRM, SIG_IGN);
pqsignal(SIGPIPE, SIG_IGN);
pqsignal(SIGUSR1, SIG_IGN);
pqsignal(SIGTERM, die);
pqsignal(SIGQUIT, quickdie);
pqsignal(SIGUSR2, BackoffRequestShutdown);
pqsignal(SIGFPE, FloatExceptionHandler);
pqsignal(SIGCHLD, SIG_DFL);
/*
* Copied from bgwriter
*/
CurrentResourceOwner = ResourceOwnerCreate(NULL, "Sweeper process");
/* Early initialization */
BaseInit();
/* See InitPostgres()... */
InitProcess();
SetProcessingMode(NormalProcessing);
/*
* If an exception is encountered, processing resumes here.
*
* See notes in postgres.c about the design of this coding.
*/
if (sigsetjmp(local_sigjmp_buf, 1) != 0)
{
/* Prevents interrupts while cleaning up */
HOLD_INTERRUPTS();
/* Report the error to the server log */
EmitErrorReport();
/*
* We can now go away. Note that because we'll call InitProcess, a
* callback will be registered to do ProcKill, which will clean up
* necessary state.
*/
proc_exit(0);
}
/* We can now handle ereport(ERROR) */
PG_exception_stack = &local_sigjmp_buf;
PG_SETMASK(&UnBlockSig);
MyBackendId = InvalidBackendId;
/* main loop */
BackoffSweeperLoop();
/* One iteration done, go away */
proc_exit(0);
}
void
InitPostgres(char *name) /* database name */
{
bool bootstrap; /* true if BootstrapProcessing */
/* ----------------
* see if we're running in BootstrapProcessing mode
* ----------------
*/
bootstrap = IsBootstrapProcessingMode();
/* ----------------
* turn on the exception handler. Note: we cannot use elog, Assert,
* AssertState, etc. until after exception handling is on.
* ----------------
*/
EnableExceptionHandling(true);
/* ----------------
* A stupid check to make sure we don't call this more than once.
* But things like ReinitPostgres() get around this by just diddling
* the PostgresIsInitialized flag.
* ----------------
*/
AssertState(!PostgresIsInitialized);
/* ----------------
* Memory system initialization.
* (we may call palloc after EnableMemoryContext())
*
* Note EnableMemoryContext() must happen before EnablePortalManager().
* ----------------
*/
EnableMemoryContext(true); /* initializes the "top context" */
EnablePortalManager(true); /* memory for portal/transaction stuff */
/* ----------------
* initialize the backend local portal stack used by
* internal PQ function calls. see src/lib/libpq/be-dumpdata.c
* This is different from the "portal manager" so this goes here.
* -cim 2/12/91
* ----------------
*/
be_portalinit();
/* ----------------
* attach to shared memory and semaphores, and initialize our
* input/output/debugging file descriptors.
* ----------------
*/
InitCommunication();
InitStdio();
/*
* initialize the local buffer manager
*/
InitLocalBuffer();
if (!TransactionFlushEnabled())
on_exitpg(FlushBufferPool, (caddr_t) NULL);
/* ----------------
* check for valid "meta gunk" (??? -cim 10/5/90) and change to
* database directory.
*
* Note: DatabaseName, MyDatabaseName, and DatabasePath are all
* initialized with DatabaseMetaGunkIsConsistent(), strncpy() and
* DoChdirAndInitDatabase() below! XXX clean this crap up!
* -cim 10/5/90
* ----------------
*/
{
char myPath[MAXPGPATH] = "."; /* DatabasePath points here! */
/* ----------------
* DatabaseMetaGunkIsConsistent fills in myPath, but what about
* when bootstrap or Noversion is true?? -cim 10/5/90
* ----------------
*/
if (! bootstrap &&
! DatabaseMetaGunkIsConsistent(name, myPath) &&
! Noversion) {
elog(NOTICE, "InitPostgres: could not locate valid PG_VERSION\n");
elog(NOTICE, "files for %s and %s.", DataDir, name);
elog(FATAL, "Have you run initdb/createdb and set PGDATA properly?");
}
/* ----------------
* ok, we've figured out myName and myPath, now save these
* and chdir to myPath.
* ----------------
*/
DoChdirAndInitDatabaseNameAndPath(name, myPath);
}
/* ********************************
* code after this point assumes we are in the proper directory!
* ********************************
*/
/* ----------------
* initialize the database id used for system caches and lock tables
* ----------------
*/
InitMyDatabaseId();
smgrinit();
/* ----------------
* initialize the transaction system and the relation descriptor
* cache. Note we have to make certain the lock manager is off while
* we do this.
* ----------------
*/
AmiTransactionOverride(IsBootstrapProcessingMode());
LockDisable(true);
/*
* Part of the initialization processing done here sets a read
* lock on pg_log. Since locking is disabled the set doesn't have
* intended effect of locking out writers, but this is ok, since
* we only lock it to examine AMI transaction status, and this is
* never written after initdb is done. -mer 15 June 1992
*/
RelationInitialize(); /* pre-allocated reldescs created here */
InitializeTransactionSystem(); /* pg_log,etc init/crash recovery here */
LockDisable(false);
/* ----------------
* anyone knows what this does? something having to do with
* system catalog cache invalidation in the case of multiple
* backends, I think -cim 10/3/90
* Sets up MyBackendId a unique backend identifier.
* ----------------
*/
InitSharedInvalidationState();
/* ----------------
* Set up a per backend process in shared memory. Must be done after
* InitSharedInvalidationState() as it relies on MyBackendId being
* initialized already. XXX -mer 11 Aug 1991
* ----------------
*/
InitProcess(PostgresIpcKey);
if (MyBackendId > MaxBackendId || MyBackendId <= 0) {
elog(FATAL, "cinit2: bad backend id %d (%d)",
MyBackendTag,
MyBackendId);
}
/* ----------------
* initialize the access methods.
* ----------------
*/
initam();
/* ----------------
* initialize all the system catalog caches.
* ----------------
*/
zerocaches();
InitCatalogCache();
/* ----------------
* set ourselves to the proper user id and figure out our postgres
* user id. If we ever add security so that we check for valid
* postgres users, we might do it here.
* ----------------
*/
InitUserid();
/* ----------------
* ok, all done, now let's make sure we don't do it again.
* ----------------
*/
PostgresIsInitialized = true;
/* on_exitpg(DestroyLocalRelList, (caddr_t) NULL); */
/* ----------------
* Done with "InitPostgres", now change to NormalProcessing unless
* we're in BootstrapProcessing mode.
* ----------------
*/
if (!bootstrap)
SetProcessingMode(NormalProcessing);
/* if (testFlag || lockingOff) */
if (lockingOff)
LockDisable(true);
}
//
// Driver must call this first, once, before doing any other compiler operations.
// Subsequent calls to this function are no-op.
//
int ShInitialize()
{
static const bool kInitialized = InitProcess();
return kInitialized ? 1 : 0;
}
/*
* FtsProbeMain
*/
NON_EXEC_STATIC void
ftsMain(int argc, char *argv[])
{
sigjmp_buf local_sigjmp_buf;
char *fullpath;
IsUnderPostmaster = true;
am_ftsprobe = true;
/* Stay away from PMChildSlot */
MyPMChildSlot = -1;
/* reset MyProcPid */
MyProcPid = getpid();
/* Lose the postmaster's on-exit routines */
on_exit_reset();
/* Identify myself via ps */
init_ps_display("ftsprobe process", "", "", "");
SetProcessingMode(InitProcessing);
/*
* reread postgresql.conf if requested
*/
pqsignal(SIGHUP, sigHupHandler);
/*
* Presently, SIGINT will lead to autovacuum shutdown, because that's how
* we handle ereport(ERROR). It could be improved however.
*/
pqsignal(SIGINT, ReqFtsFullScan); /* request full-scan */
pqsignal(SIGTERM, die);
pqsignal(SIGQUIT, quickdie); /* we don't do any ftsprobe specific cleanup, just use the standard. */
pqsignal(SIGALRM, handle_sig_alarm);
pqsignal(SIGPIPE, SIG_IGN);
pqsignal(SIGUSR1, procsignal_sigusr1_handler);
/* We don't listen for async notifies */
pqsignal(SIGUSR2, RequestShutdown);
pqsignal(SIGFPE, FloatExceptionHandler);
pqsignal(SIGCHLD, SIG_DFL);
/*
* Copied from bgwriter
*/
CurrentResourceOwner = ResourceOwnerCreate(NULL, "FTS Probe");
/* Early initialization */
BaseInit();
/* See InitPostgres()... */
InitProcess();
InitBufferPoolBackend();
InitXLOGAccess();
SetProcessingMode(NormalProcessing);
/*
* If an exception is encountered, processing resumes here.
*
* See notes in postgres.c about the design of this coding.
*/
if (sigsetjmp(local_sigjmp_buf, 1) != 0)
{
/* Prevents interrupts while cleaning up */
HOLD_INTERRUPTS();
/* Report the error to the server log */
EmitErrorReport();
/*
* We can now go away. Note that because we'll call InitProcess, a
* callback will be registered to do ProcKill, which will clean up
* necessary state.
*/
proc_exit(0);
}
/* We can now handle ereport(ERROR) */
PG_exception_stack = &local_sigjmp_buf;
PG_SETMASK(&UnBlockSig);
/*
* Add my PGPROC struct to the ProcArray.
*
* Once I have done this, I am visible to other backends!
*/
InitProcessPhase2();
/*
* Initialize my entry in the shared-invalidation manager's array of
* per-backend data.
*
* Sets up MyBackendId, a unique backend identifier.
*/
MyBackendId = InvalidBackendId;
SharedInvalBackendInit(false);
if (MyBackendId > MaxBackends || MyBackendId <= 0)
elog(FATAL, "bad backend id: %d", MyBackendId);
/*
* bufmgr needs another initialization call too
*/
InitBufferPoolBackend();
/* heap access requires the rel-cache */
RelationCacheInitialize();
InitCatalogCache();
/*
* It's now possible to do real access to the system catalogs.
*
* Load relcache entries for the system catalogs. This must create at
* least the minimum set of "nailed-in" cache entries.
*/
RelationCacheInitializePhase2();
/*
* In order to access the catalog, we need a database, and a
* tablespace; our access to the heap is going to be slightly
* limited, so we'll just use some defaults.
*/
if (!FindMyDatabase(probeDatabase, &MyDatabaseId, &MyDatabaseTableSpace))
ereport(FATAL,
(errcode(ERRCODE_UNDEFINED_DATABASE),
errmsg("database \"%s\" does not exit", probeDatabase)));
/* Now we can mark our PGPROC entry with the database ID */
/* (We assume this is an atomic store so no lock is needed) */
MyProc->databaseId = MyDatabaseId;
fullpath = GetDatabasePath(MyDatabaseId, MyDatabaseTableSpace);
SetDatabasePath(fullpath);
RelationCacheInitializePhase3();
/* shmem: publish probe pid */
ftsProbeInfo->fts_probePid = MyProcPid;
/* main loop */
FtsLoop();
/* One iteration done, go away */
proc_exit(0);
}