8cc7dee111a52eed9f6e65a01e67730af13b43b4
braney
  Thu Jun 6 15:30:22 2019 -0700
ongoing work on trackDb caching in shared memory

diff --git src/inc/localmem.h src/inc/localmem.h
index 3b8231e..af9339c 100644
--- src/inc/localmem.h
+++ src/inc/localmem.h
@@ -16,33 +16,39 @@
  *                  pass in zero and a reasonable default will be used.
  */
 
 struct lm *lmInitWMem(void *mem, int blockSize);
 /* Create a local memory pool. Don't do any memory allocation.  Parameters are:
  *      mem -- the memory to use for the blocks
  *      blockSize - how much memory has been allocated.  If this is exhausted, an errAbort occurs.
  */
 
 void lmCleanup(struct lm **pLm);
 /* Clean up a local memory pool. */
 
 size_t lmAvailable(struct lm *lm);
 // Returns currently available memory in pool
 
+size_t lmUsed(struct lm *lm);
+// Returns amount of memory allocated
+
 size_t lmSize(struct lm *lm);
 // Returns current size of pool, even for memory already allocated
 
+unsigned int lmBlockHeaderSize();
+// Return the size of an lmBlock.
+
 void *lmAlloc(struct lm *lm, size_t size);
 /* Allocate memory from local pool. */
 
 void *lmAllocMoreMem(struct lm *lm, void *pt, size_t oldSize, size_t newSize);
 /* Adjust memory size on a block, possibly relocating it.  If block is grown,
  * new memory is zeroed. NOTE: in RARE cases, same pointer may be returned. */
 
 void *lmCloneMem(struct lm *lm, void *pt, size_t size);
 /* Return a local mem copy of memory block. */
 
 
 char *lmCloneStringZ(struct lm *lm, const char *string, int size);
 /* Return local mem copy of string of given size, adding null terminator. */
 
 char *lmCloneString(struct lm *lm, const char *string);