int transaction_init()
{
int pid, currentTime;
tr_lock = WA_createLock("transaction lock");
currentTime = time(NULL);
#ifndef WIN32
pid = getpid();
#else
pid = GetCurrentProcessId();
#endif
sprintf(uniqueID_str, "%8.8x%8.8x", currentTime, pid);
return tr_lock == NULL;
}
ShmemArray *sha_alloc(const char *name, void *arrayBase, size_t elementSize, unsigned int elementCount)
{
ShmemArray *array;
int i;
array = WOMALLOC(sizeof(ShmemArray) + sizeof(ShmemArrayElement) * (elementCount-1));
if (array)
{
array->name = WOSTRDUP(name);
array->elementSize = elementSize;
array->elementCount = elementCount;
for (i=0; i<array->elementCount; i++)
{
array->elements[i].element = (void *)(arrayBase + elementSize * i);
array->elements[i].lock = WA_createLock("array element lock");
array->elements[i].writeLock = WA_createLock("array element write lock");
array->elements[i].lockCount = 0;
array->elements[i].lockHandle = NULL;
array->elements[i].localData = NULL;
array->elements[i].localDataCleanupCallbacks = NULL;
}
}
return array;
}
void WOLog_init(const char *logfile, const char *level)
{
int i;
int fd;
logMutex = WA_createLock("logMutex");
/*
* the file we stat() to see if we should log
*/
#ifndef ALWAYS_LOG
sprintf(logFlag,"%s/%s",tmp(),LOG_FLAG);
#endif
/*
* log to file. we need to make sure it's world writable since
* we're likely to fork/exec from root to httpd or something...
*/
if (logfile != NULL) {
strcpy(logPath, logfile);
} else {
sprintf(logPath,"%s/%s",tmp(),LOG_FILE);
}
#ifdef WIN32
fd = _lopen(logPath, OF_WRITE| OF_SHARE_COMPAT);
_lclose(fd);
#else
fd = open(logPath, O_WRONLY, 0644);
close(fd); /* create the file if needed */
#endif
chmod(logPath, 0644);
if (level) {
for (i = WO_DBG; i <= WO_USER; i++) {
if (strcasecmp(WOLogLevel[i], level) == 0) {
baselevel = i;
break;
}
}
}
initialized = 1;
}
int WOShmem_init(const char *file, size_t memsize)
{
int error = 0;
char *errMsg = NULL;
/* open up the file */
WOShmem_fd = open(file, O_RDWR|O_CREAT, 0600);
if (WOShmem_fd > 0)
{
#ifdef APACHE
/* unlink the file so when Apache exits the file is removed */
/* The mmap should still be in effect */
unlink(file);
#endif
WOShmem_size = ensure_file_size(WOShmem_fd, memsize);
if (WOShmem_size != -1)
{
WOShmem_base_address = (void *)mmap(0, WOShmem_size, PROT_READ|PROT_WRITE, MAP_FILE|MAP_SHARED|MAP_INHERIT, WOShmem_fd, 0);
if (WOShmem_base_address == MAP_FAILED)
{
errMsg = WA_errorDescription(WA_error());
WOLog(WO_ERR, "WOShmem_init(): couldn't map file: %s", errMsg);
error = 1;
}
} else
error = 1;
} else {
errMsg = WA_errorDescription(WA_error());
WOLog(WO_ERR,"WOShmem_init(): Couldn't open %s: %s", file, errMsg);
error = 1;
}
if (error)
WOShmem_fd = -1;
if (errMsg)
WA_freeErrorDescription(errMsg);
WOShmem_mutex = WA_createLock("WOShmem_lock");
return WOShmem_fd == -1;
}