void SysSetMemLimit( void )
{
#if defined( __DOS__ ) && defined( __386__ )
#if !defined(__OSI__)
_d16ReserveExt( MemSize + 1*1024UL*1024UL );
#endif
MemExpand();
if( _IsOff( SW_REMOTE_LINK ) && _IsOff( SW_KEEP_HEAP_ENABLED ) ) {
_heapenable( 0 );
}
#endif
}
bool FreeUpMemory( void )
/***********************/
// make sure LnkReAlloc is kept up to date with what is put in here.
{
#if defined( __QNX__ )
if( LastChanceSeg != (unsigned)-1 ) {
/*
If we're low on memory, the system is low on memory. Give
something back to the OS so it can do it's job, and don't
ever ask it for anything more.
*/
qnx_segment_free( LastChanceSeg );
LastChanceSeg = -1;
_heapenable( 0 );
}
#endif
return( PermShrink() || CacheRelease() || SwapOutVirt() || SwapOutRelocs() );
}
