rc_t BAMReaderMake( const BAMReader **result,
char const headerText[],
char const path[] )
{
rc_t rc;
BAMReader *self = malloc(sizeof(BAMReader));
if ( self == NULL )
{
*result = NULL;
return RC(rcAlign, rcFile, rcConstructing, rcMemory, rcExhausted);
}
else
{
atomic32_set( & self->refcount, 1 );
rc = BAMFileMakeWithHeader( & self->file, headerText, "%s", path);
if ( rc != 0 )
{
free(self);
*result = 0;
}
else
*result = self;
}
self->nque = 0;
self->rc = 0;
self->eof = false;
rc = KLockMake(&self->lock);
if (rc == 0)
{
rc = KConditionMake(&self->have_data);
if (rc == 0)
{
rc = KConditionMake(&self->need_data);
if (rc == 0)
{
rc = KThreadMake(&self->th, BAMReaderThreadMain, self);
if (rc == 0)
return 0;
KConditionRelease(self->need_data);
}
KConditionRelease(self->have_data);
}
KLockRelease(self->lock);
}
return rc;
}
/* Make
*
* "count" [ IN ] - initial count value
*/
LIB_EXPORT rc_t CC KSemaphoreMake ( KSemaphore **semp, uint64_t count )
{
rc_t rc;
if ( semp == NULL )
rc = RC ( rcPS, rcSemaphore, rcConstructing, rcParam, rcNull );
else
{
KSemaphore *sem = malloc ( sizeof * sem );
if ( sem == NULL )
rc = RC ( rcPS, rcSemaphore, rcConstructing, rcMemory, rcExhausted );
else
{
rc = KConditionMake( & sem -> cond );
if ( rc == 0 )
{
sem -> avail = count;
sem -> requested = 0;
sem -> min_requested = 0;
sem -> waiting = 0;
sem -> uniform = false;
* semp = sem;
return 0;
}
free ( sem );
}
* semp = NULL;
}
return rc;
}
rc_t VTableCreateCursorWriteInt ( VTable *self, VCursor **cursp, KCreateMode mode, bool create_thread )
{
rc_t rc;
if ( cursp == NULL )
rc = RC ( rcVDB, rcCursor, rcCreating, rcParam, rcNull );
else
{
if ( self == NULL )
rc = RC ( rcVDB, rcTable, rcAccessing, rcSelf, rcNull );
else if ( self -> read_only )
rc = RC ( rcVDB, rcCursor, rcCreating, rcTable, rcReadonly );
#if VCURSOR_WRITE_MODES_SUPPORTED
#error "expecting kcmInsert mode only"
#else
else if ( mode != kcmInsert )
rc = RC ( rcVDB, rcCursor, rcCreating, rcMode, rcUnsupported );
#endif
else
{
VCursor *curs;
#if LAZY_OPEN_COL_NODE
if ( self -> col_node == NULL )
KMetadataOpenNodeUpdate ( self -> meta, & self -> col_node, "col" );
#endif
rc = VCursorMake ( & curs, self );
if ( rc == 0 )
{
rc = VCursorSupplementSchema ( curs );
#if VCURSOR_FLUSH_THREAD
if ( rc == 0 && create_thread )
{
rc = KLockMake ( & curs -> flush_lock );
if ( rc == 0 )
rc = KConditionMake ( & curs -> flush_cond );
if ( rc == 0 )
rc = KThreadMake ( & curs -> flush_thread, run_flush_thread, curs );
}
if(rc == 0)
rc = VCursorLaunchPagemapThread(curs);
#endif
if ( rc == 0 )
{
* cursp = curs;
return 0;
}
VCursorRelease ( curs );
}
}
* cursp = NULL;
}
return rc;
}
