Indented with src/scripts/indent-emp.
This commit is contained in:
parent
5f263a7753
commit
9b7adfbecc
437 changed files with 52211 additions and 51052 deletions
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@ -85,13 +85,13 @@ typedef struct {
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BOOL bKilled;
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/* The entry function for the thread. */
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void (*pfnEntry)(void *);
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void (*pfnEntry) (void *);
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/* The system thread ID. */
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unsigned long ulThreadID;
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unsigned long ulThreadID;
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/* An Event sem that the thread will wait/sleep on. */
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HANDLE hThreadEvent;
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HANDLE hThreadEvent;
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} loc_Thread_t;
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@ -104,31 +104,30 @@ typedef struct {
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*/
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typedef struct {
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char szName[17];
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char szName[17];
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/* An exclusion semaphore for this sem. */
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HANDLE hMutex;
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HANDLE hMutex;
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/* An Event sem that the thread(s) will sleep on. */
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HANDLE hEvent;
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HANDLE hEvent;
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/* The count variable */
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int count;
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} loc_Sem_t;
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static struct
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{
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static struct {
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/* This is the thread exclusion/non-premption mutex. */
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/* The running thread has this MUTEX, and all others are */
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/* either blocked on it, or waiting for some OS response. */
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HANDLE hThreadMutex;
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HANDLE hThreadMutex;
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/* This is the thread startup event sem. */
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/* We use this to lockstep when we are starting up threads. */
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HANDLE hThreadStartEvent;
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HANDLE hThreadStartEvent;
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/* The Thread Local Storage index. We store the pThread pointer */
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/* for each thread at this index. */
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DWORD dwTLSIndex;
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DWORD dwTLSIndex;
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/* The current running thread. */
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loc_Thread_t *pCurThread;
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@ -158,35 +157,31 @@ loc_debug(const char *pszFmt, ...)
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unsigned long ulRunTick;
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unsigned long ulMs, ulSec, ulMin, ulHr;
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loc_Thread_t *pThread =
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(loc_Thread_t *) TlsGetValue(loc_GVAR.dwTLSIndex);
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char buf[1024];
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(loc_Thread_t *)TlsGetValue(loc_GVAR.dwTLSIndex);
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char buf[1024];
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if ((loc_GVAR.flags & EMPTH_PRINT) != 0) {
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/* Ticks are in milliseconds */
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ulCurTick = GetTickCount();
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/* Ticks are in milliseconds */
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ulCurTick = GetTickCount();
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ulRunTick = ulCurTick - loc_GVAR.ulTickAtStart;
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ulMs = ulRunTick % 1000L;
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ulSec = (ulRunTick / 1000L) % 60L;
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ulMin = (ulRunTick / (60L * 1000L)) % 60L;
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ulHr = (ulRunTick / (60L * 60L * 1000L));
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va_start(vaList, pszFmt);
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vsprintf(buf, pszFmt, vaList);
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va_end(vaList);
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ulRunTick = ulCurTick - loc_GVAR.ulTickAtStart;
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ulMs = ulRunTick % 1000L;
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ulSec = (ulRunTick / 1000L) % 60L;
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ulMin = (ulRunTick / (60L * 1000L)) % 60L;
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ulHr = (ulRunTick / (60L * 60L * 1000L));
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if (pThread) {
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printf("%ld:%02ld:%02ld.%03ld %17s: %s\n",
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ulHr, ulMin, ulSec, ulMs,
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pThread->szName,
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buf);
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} else {
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printf("%ld:%02ld:%02ld.%03ld %17s: %s\n",
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ulHr, ulMin, ulSec, ulMs,
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"UNKNOWN",
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buf);
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}
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va_start(vaList, pszFmt);
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vsprintf(buf, pszFmt, vaList);
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va_end(vaList);
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if (pThread) {
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printf("%ld:%02ld:%02ld.%03ld %17s: %s\n",
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ulHr, ulMin, ulSec, ulMs, pThread->szName, buf);
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} else {
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printf("%ld:%02ld:%02ld.%03ld %17s: %s\n",
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ulHr, ulMin, ulSec, ulMs, "UNKNOWN", buf);
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}
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}
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}
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@ -199,10 +194,10 @@ static void
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loc_FreeThreadInfo(loc_Thread_t *pThread)
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{
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if (pThread) {
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if (pThread->hThreadEvent)
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CloseHandle(pThread->hThreadEvent);
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memset(pThread, 0, sizeof(*pThread));
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free(pThread);
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if (pThread->hThreadEvent)
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CloseHandle(pThread->hThreadEvent);
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memset(pThread, 0, sizeof(*pThread));
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free(pThread);
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}
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}
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@ -218,27 +213,27 @@ static void
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loc_RunThisThread()
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{
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loc_Thread_t *pThread =
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(loc_Thread_t *) TlsGetValue(loc_GVAR.dwTLSIndex);
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(loc_Thread_t *)TlsGetValue(loc_GVAR.dwTLSIndex);
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if (pThread->bKilled) {
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if (!pThread->bMainThread) {
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TlsSetValue(loc_GVAR.dwTLSIndex, NULL);
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loc_FreeThreadInfo(pThread);
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_endthread();
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}
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if (!pThread->bMainThread) {
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TlsSetValue(loc_GVAR.dwTLSIndex, NULL);
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loc_FreeThreadInfo(pThread);
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_endthread();
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}
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}
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/* Get the MUTEX semaphore, wait forever. */
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WaitForSingleObject(loc_GVAR.hThreadMutex, INFINITE);
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if (!loc_GVAR.pCurThread) {
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/* Set the globals to this thread. */
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*loc_GVAR.ppvUserData = pThread->pvUserData;
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/* Set the globals to this thread. */
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*loc_GVAR.ppvUserData = pThread->pvUserData;
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loc_GVAR.pCurThread = pThread;
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loc_GVAR.pCurThread = pThread;
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} else {
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/* Hmm, a problem, eh? */
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logerror("RunThisThread, someone already running.");
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/* Hmm, a problem, eh? */
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logerror("RunThisThread, someone already running.");
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}
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}
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@ -251,19 +246,19 @@ static void
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loc_BlockThisThread()
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{
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loc_Thread_t *pThread =
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(loc_Thread_t *) TlsGetValue(loc_GVAR.dwTLSIndex);
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(loc_Thread_t *)TlsGetValue(loc_GVAR.dwTLSIndex);
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if (loc_GVAR.pCurThread == pThread) {
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/* Reset the globals back to original */
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/* Reset the globals back to original */
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loc_GVAR.pCurThread = NULL;
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*loc_GVAR.ppvUserData = NULL;
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loc_GVAR.pCurThread = NULL;
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*loc_GVAR.ppvUserData = NULL;
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/* Release the MUTEX */
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ReleaseMutex(loc_GVAR.hThreadMutex);
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/* Release the MUTEX */
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ReleaseMutex(loc_GVAR.hThreadMutex);
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} else {
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/* Hmm, this thread was not the running one. */
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logerror("BlockThisThread, not running.");
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/* Hmm, this thread was not the running one. */
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logerror("BlockThisThread, not running.");
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}
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}
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@ -275,7 +270,7 @@ static void
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loc_SleepThisThread(unsigned long ulMillisecs)
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{
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loc_Thread_t *pThread =
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(loc_Thread_t *) TlsGetValue(loc_GVAR.dwTLSIndex);
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(loc_Thread_t *)TlsGetValue(loc_GVAR.dwTLSIndex);
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/* Make sure the event thread is clean. */
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ResetEvent(pThread->hThreadEvent);
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@ -297,7 +292,8 @@ empth_threadMain(void *pvData)
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loc_Thread_t *pThread = (loc_Thread_t *)pvData;
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/* Out of here... */
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if (!pvData) return;
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if (!pvData)
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return;
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/* Store pThread on this thread. */
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TlsSetValue(loc_GVAR.dwTLSIndex, pvData);
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@ -313,7 +309,7 @@ empth_threadMain(void *pvData)
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/* Run the thread. */
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if (pThread->pfnEntry)
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pThread->pfnEntry(pThread->pvUserData);
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pThread->pfnEntry(pThread->pvUserData);
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/* Kill the thread. */
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empth_exit();
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@ -328,7 +324,7 @@ empth_threadMain(void *pvData)
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* main line.
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*/
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int
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empth_init (char **ctx_ptr, int flags)
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empth_init(char **ctx_ptr, int flags)
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{
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loc_Thread_t *pThread = NULL;
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@ -341,28 +337,29 @@ empth_init (char **ctx_ptr, int flags)
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/* Initally unowned. */
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loc_GVAR.hThreadMutex = CreateMutex(NULL, FALSE, NULL);
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if (!loc_GVAR.hThreadMutex) {
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logerror("Failed to create mutex");
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return 0;
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logerror("Failed to create mutex");
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return 0;
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}
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/* Create the thread start event sem. */
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/* Automatic state reset. */
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loc_GVAR.hThreadStartEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
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if (!loc_GVAR.hThreadStartEvent) {
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logerror("Failed to create mutex");
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return 0;
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logerror("Failed to create mutex");
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return 0;
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}
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/* Create the global Thread context. */
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pThread = (loc_Thread_t *) malloc(sizeof(*pThread));
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pThread = (loc_Thread_t *)malloc(sizeof(*pThread));
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if (!pThread) {
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logerror("not enough memory to create main thread.");
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return 0;
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logerror("not enough memory to create main thread.");
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return 0;
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}
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memset(pThread, 0, sizeof(*pThread));
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strncpy(pThread->szName, "Main", sizeof(pThread->szName)-1);
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strncpy(pThread->szDesc, "The main process", sizeof(pThread->szDesc)-1);
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strncpy(pThread->szName, "Main", sizeof(pThread->szName) - 1);
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strncpy(pThread->szDesc, "The main process",
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sizeof(pThread->szDesc) - 1);
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pThread->ulThreadID = GetCurrentThreadId();
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pThread->bMainThread = TRUE;
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@ -393,22 +390,23 @@ empth_init (char **ctx_ptr, int flags)
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* It is also passed to the entry function...
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*/
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empth_t *
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empth_create (int prio, void (*entry)(), int size, int flags,
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char *name, char *desc, void *ud)
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empth_create(int prio, void (*entry) (), int size, int flags,
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char *name, char *desc, void *ud)
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{
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loc_Thread_t *pThread = NULL;
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loc_debug("creating new thread %s:%s", name, desc);
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pThread = (loc_Thread_t *) malloc(sizeof(*pThread));
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pThread = (loc_Thread_t *)malloc(sizeof(*pThread));
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if (!pThread) {
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logerror("not enough memory to create thread: %s (%s)", name, desc);
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return NULL;
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logerror("not enough memory to create thread: %s (%s)", name,
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desc);
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return NULL;
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}
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memset(pThread, 0, sizeof(*pThread));
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strncpy(pThread->szName, name, sizeof(pThread->szName)-1);
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strncpy(pThread->szDesc, desc, sizeof(pThread->szDesc)-1);
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strncpy(pThread->szName, name, sizeof(pThread->szName) - 1);
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strncpy(pThread->szDesc, desc, sizeof(pThread->szDesc) - 1);
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pThread->pvUserData = ud;
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pThread->pfnEntry = entry;
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pThread->bMainThread = FALSE;
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@ -417,22 +415,22 @@ empth_create (int prio, void (*entry)(), int size, int flags,
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pThread->hThreadEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
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if (size < loc_MIN_THREAD_STACK)
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size = loc_MIN_THREAD_STACK;
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size = loc_MIN_THREAD_STACK;
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pThread->ulThreadID = _beginthread(empth_threadMain, size,
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(void *)pThread);
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(void *)pThread);
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if (pThread->ulThreadID == -1) {
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logerror("can not create thread: %s (%s): %s", name, desc,
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strerror(errno));
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goto bad;
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logerror("can not create thread: %s (%s): %s", name, desc,
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strerror(errno));
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goto bad;
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}
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loc_debug("new thread id is %ld", pThread->ulThreadID);
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return pThread;
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bad:
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bad:
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if (pThread) {
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loc_FreeThreadInfo(pThread);
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loc_FreeThreadInfo(pThread);
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}
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return NULL;
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}
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@ -445,7 +443,7 @@ empth_t *
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empth_self(void)
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{
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loc_Thread_t *pThread =
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(loc_Thread_t *) TlsGetValue(loc_GVAR.dwTLSIndex);
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(loc_Thread_t *)TlsGetValue(loc_GVAR.dwTLSIndex);
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return pThread;
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}
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@ -454,45 +452,45 @@ empth_self(void)
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* empth_exit
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*/
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void
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empth_exit (void)
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empth_exit(void)
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{
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s_char *getlogfile();
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s_char *getlogfile();
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loc_Thread_t *pThread =
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(loc_Thread_t *) TlsGetValue(loc_GVAR.dwTLSIndex);
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(loc_Thread_t *)TlsGetValue(loc_GVAR.dwTLSIndex);
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loc_BlockThisThread();
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loc_debug("empth_exit");
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if (pThread->bMainThread) {
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char buf[20];
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/* The main line. Wait forever. */
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if (getlogfile() == (s_char *)0)
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loginit();
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printf("log file: %s\n", getlogfile());
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while (1) {
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printf("\nEmpire Server>");
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fgets(buf, sizeof(buf), stdin);
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if (!strnicmp(buf, "quit", 4))
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break;
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}
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TlsSetValue(loc_GVAR.dwTLSIndex, NULL);
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loc_FreeThreadInfo(pThread);
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char buf[20];
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/* The main line. Wait forever. */
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if (getlogfile() == (s_char *)0)
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loginit();
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printf("log file: %s\n", getlogfile());
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while (1) {
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printf("\nEmpire Server>");
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fgets(buf, sizeof(buf), stdin);
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if (!strnicmp(buf, "quit", 4))
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break;
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}
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TlsSetValue(loc_GVAR.dwTLSIndex, NULL);
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loc_FreeThreadInfo(pThread);
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} else {
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TlsSetValue(loc_GVAR.dwTLSIndex, NULL);
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loc_FreeThreadInfo(pThread);
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_endthread();
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TlsSetValue(loc_GVAR.dwTLSIndex, NULL);
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loc_FreeThreadInfo(pThread);
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_endthread();
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}
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}
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/************************
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* empth_yield
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*
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* Yield processing to another thread.
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*/
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void
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empth_yield (void)
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empth_yield(void)
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{
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loc_BlockThisThread();
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loc_RunThisThread();
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@ -506,7 +504,7 @@ empth_yield (void)
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void
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empth_terminate(empth_t *a)
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{
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loc_Thread_t *pThread = (loc_Thread_t *) a;
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loc_Thread_t *pThread = (loc_Thread_t *)a;
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loc_debug("killing thread %s", pThread->szName);
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pThread->bKilled = TRUE;
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@ -527,7 +525,7 @@ void
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empth_select(int fd, int flags)
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{
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loc_Thread_t *pThread =
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(loc_Thread_t *) TlsGetValue(loc_GVAR.dwTLSIndex);
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(loc_Thread_t *)TlsGetValue(loc_GVAR.dwTLSIndex);
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fd_set readmask;
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fd_set writemask;
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struct lwpProc *proc;
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@ -535,54 +533,54 @@ empth_select(int fd, int flags)
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int n;
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loc_debug("%s select on %d",
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flags == EMPTH_FD_READ ? "read" : "write", fd );
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flags == EMPTH_FD_READ ? "read" : "write", fd);
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loc_BlockThisThread();
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while (1) {
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tv.tv_sec = 1000000;
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tv.tv_usec = 0;
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tv.tv_sec = 1000000;
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tv.tv_usec = 0;
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FD_ZERO(&readmask);
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FD_ZERO(&writemask);
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switch(flags) {
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case EMPTH_FD_READ:
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FD_SET(fd, &readmask);
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break;
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case EMPTH_FD_WRITE:
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FD_SET(fd, &writemask);
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break;
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default:
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logerror("bad flag %d passed to empth_select", flags);
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empth_exit();
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}
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FD_ZERO(&readmask);
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FD_ZERO(&writemask);
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n = select(fd + 1, &readmask, &writemask, (fd_set *)0, &tv);
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if (n < 0) {
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if (errno == EINTR) {
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/* go handle the signal */
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loc_debug("select broken by signal");
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goto done;
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return;
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}
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/* strange but we dont get EINTR on select broken by signal */
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loc_debug("select failed (%s)", strerror(errno));
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goto done;
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||||
return;
|
||||
}
|
||||
|
||||
if (flags == EMPTH_FD_READ && FD_ISSET(fd, &readmask)) {
|
||||
loc_debug("input ready");
|
||||
break;
|
||||
}
|
||||
if (flags == EMPTH_FD_WRITE && FD_ISSET(fd, &writemask)) {
|
||||
loc_debug("output ready");
|
||||
break;
|
||||
}
|
||||
switch (flags) {
|
||||
case EMPTH_FD_READ:
|
||||
FD_SET(fd, &readmask);
|
||||
break;
|
||||
case EMPTH_FD_WRITE:
|
||||
FD_SET(fd, &writemask);
|
||||
break;
|
||||
default:
|
||||
logerror("bad flag %d passed to empth_select", flags);
|
||||
empth_exit();
|
||||
}
|
||||
|
||||
n = select(fd + 1, &readmask, &writemask, (fd_set *) 0, &tv);
|
||||
|
||||
if (n < 0) {
|
||||
if (errno == EINTR) {
|
||||
/* go handle the signal */
|
||||
loc_debug("select broken by signal");
|
||||
goto done;
|
||||
return;
|
||||
}
|
||||
/* strange but we dont get EINTR on select broken by signal */
|
||||
loc_debug("select failed (%s)", strerror(errno));
|
||||
goto done;
|
||||
return;
|
||||
}
|
||||
|
||||
if (flags == EMPTH_FD_READ && FD_ISSET(fd, &readmask)) {
|
||||
loc_debug("input ready");
|
||||
break;
|
||||
}
|
||||
if (flags == EMPTH_FD_WRITE && FD_ISSET(fd, &writemask)) {
|
||||
loc_debug("output ready");
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
done:
|
||||
done:
|
||||
loc_RunThisThread();
|
||||
}
|
||||
|
||||
|
|
@ -593,7 +591,7 @@ emp_sig_t
|
|||
empth_alarm(int sig)
|
||||
{
|
||||
loc_Thread_t *pThread =
|
||||
(loc_Thread_t *) TlsGetValue(loc_GVAR.dwTLSIndex);
|
||||
(loc_Thread_t *)TlsGetValue(loc_GVAR.dwTLSIndex);
|
||||
|
||||
loc_debug("got alarm signal %d", sig);
|
||||
|
||||
|
|
@ -626,7 +624,7 @@ void
|
|||
empth_sleep(long until)
|
||||
{
|
||||
loc_Thread_t *pThread =
|
||||
(loc_Thread_t *) TlsGetValue(loc_GVAR.dwTLSIndex);
|
||||
(loc_Thread_t *)TlsGetValue(loc_GVAR.dwTLSIndex);
|
||||
unsigned long ulSec;
|
||||
|
||||
ulSec = until - time(0);
|
||||
|
|
@ -653,14 +651,14 @@ empth_sem_create(char *name, int cnt)
|
|||
{
|
||||
loc_Sem_t *pSem;
|
||||
|
||||
pSem = (loc_Sem_t *) malloc(sizeof(*pSem));
|
||||
pSem = (loc_Sem_t *)malloc(sizeof(*pSem));
|
||||
if (!pSem) {
|
||||
logerror("out of memory at %s:%d", __FILE__, __LINE__);
|
||||
return NULL;
|
||||
logerror("out of memory at %s:%d", __FILE__, __LINE__);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
memset(pSem, 0, sizeof(pSem));
|
||||
strncpy(pSem->szName, name, sizeof(pSem->szName)-1);
|
||||
strncpy(pSem->szName, name, sizeof(pSem->szName) - 1);
|
||||
|
||||
pSem->hMutex = CreateMutex(NULL, FALSE, NULL);
|
||||
pSem->hEvent = CreateEvent(NULL, FALSE, FALSE, NULL);
|
||||
|
|
@ -677,7 +675,7 @@ empth_sem_create(char *name, int cnt)
|
|||
void
|
||||
empth_sem_signal(empth_sem_t *sm)
|
||||
{
|
||||
loc_Sem_t *pSem = (loc_Sem_t *) sm;
|
||||
loc_Sem_t *pSem = (loc_Sem_t *)sm;
|
||||
|
||||
loc_debug("signal on semaphore %s:%d", pSem->szName, pSem->count);
|
||||
|
||||
|
|
@ -685,7 +683,7 @@ empth_sem_signal(empth_sem_t *sm)
|
|||
WaitForSingleObject(pSem->hMutex, INFINITE);
|
||||
|
||||
if (pSem->count++ < 0) {
|
||||
SetEvent(pSem->hEvent);
|
||||
SetEvent(pSem->hEvent);
|
||||
}
|
||||
|
||||
ReleaseMutex(pSem->hMutex);
|
||||
|
|
@ -698,11 +696,11 @@ empth_sem_signal(empth_sem_t *sm)
|
|||
* to be signaled.
|
||||
*/
|
||||
void
|
||||
empth_sem_wait (empth_sem_t *sm)
|
||||
empth_sem_wait(empth_sem_t *sm)
|
||||
{
|
||||
loc_Thread_t *pThread =
|
||||
(loc_Thread_t *) TlsGetValue(loc_GVAR.dwTLSIndex);
|
||||
loc_Sem_t *pSem = (loc_Sem_t *) sm;
|
||||
(loc_Thread_t *)TlsGetValue(loc_GVAR.dwTLSIndex);
|
||||
loc_Sem_t *pSem = (loc_Sem_t *)sm;
|
||||
|
||||
loc_debug("wait on semaphore %s:%d", pSem->szName, pSem->count);
|
||||
|
||||
|
|
@ -712,17 +710,16 @@ empth_sem_wait (empth_sem_t *sm)
|
|||
/* Wait for the Semaphore */
|
||||
WaitForSingleObject(pSem->hMutex, INFINITE);
|
||||
if (--pSem->count < 0) {
|
||||
loc_debug("blocking");
|
||||
ReleaseMutex(pSem->hMutex);
|
||||
loc_debug("blocking");
|
||||
ReleaseMutex(pSem->hMutex);
|
||||
|
||||
WaitForSingleObject(pSem->hEvent, INFINITE);
|
||||
WaitForSingleObject(pSem->hEvent, INFINITE);
|
||||
|
||||
loc_debug("waking up");
|
||||
}
|
||||
else
|
||||
ReleaseMutex(pSem->hMutex);
|
||||
loc_debug("waking up");
|
||||
} else
|
||||
ReleaseMutex(pSem->hMutex);
|
||||
|
||||
loc_RunThisThread();
|
||||
}
|
||||
|
||||
#endif /* _WIN32 */
|
||||
#endif /* _WIN32 */
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue