Re: [Monetdb-developers] [Monetdb-checkins] MonetDB/src/gdk gdk_heap.mx, , 1.107, 1.108

Peter,

IMHO, this check in does more than the log message suggests; among others, it appears to me as if this check in undoes some fixes coancerning *.new files that Sjoerd recently checked in.

Could you please check and comment whether this was/is intended? Or was there any CVS related "accident"?

Given that also the copyright statement is reverted to a state of last year, I suspect that an old version of this file has been re-activated, possibly instead of using CVS commands to revert or replay a former check in?

Thanks in advance!

Stefan

On Thu, Feb 05, 2009 at 03:39:43PM +0000, Peter Boncz wrote:

Update of /cvsroot/monetdb/MonetDB/src/gdk In directory 23jxhf1.ch3.sourceforge.com:/tmp/cvs-serv5674

Modified Files: gdk_heap.mx Log Message:

• make large allocs fall back again on mmap

U gdk_heap.mx Index: gdk_heap.mx =================================================================== RCS file: /cvsroot/monetdb/MonetDB/src/gdk/gdk_heap.mx,v retrieving revision 1.107 retrieving revision 1.108 diff -u -d -r1.107 -r1.108 --- gdk_heap.mx 22 Jan 2009 14:47:53 -0000 1.107 +++ gdk_heap.mx 5 Feb 2009 15:39:41 -0000 1.108 @@ -12,7 +12,7 @@ @' @' The Initial Developer of the Original Code is CWI. @' Portions created by CWI are Copyright (C) 1997-July 2008 CWI. -@' Copyright August 2008-2009 MonetDB B.V. +@' Copyright August 2008- MonetDB B.V. @' All Rights Reserved.

@f gdk_heap @@ -115,7 +115,7 @@ fp = GDKfilelocate(nme, "wb", ext); if (fp != NULL) { fclose(fp);

• 	h->storage = STORE_MMAP;
  

• 	h->newstorage = STORE_MMAP;
  HEAPload(h, nme, ext, FALSE);
  

  } GDKfree(of);

@@ -262,7 +262,7 @@ @} @- HEAPload

-If we find file X.new, we move it over X (if present) and open it. +If we don find file X.new, we move it over X (if present) and open it.

This routine initializes the h->filename without deallocating its previous contents. @@ -284,7 +284,7 @@ if (h->filename == NULL) h->filename = (char *) GDKmalloc(strlen(nme) + strlen(ext) + 2); if (h->filename == NULL)

• return -1;	
  

•    return -1;	
  

  sprintf(h->filename, "%s.%s", nme, ext);

  /* round up mmap heap sizes to REMAP_PAGE_MAXSIZE (usually 512KB) segments */

@@ -323,19 +323,21 @@ strcpy(p, ".new"); ret = stat(dstpath, &st); if (stat(srcpath, &st) == 0) {

• int t0;
  

• if (ret == 0) {
  

• 	t0 = GDKms();
  

• if (ret) {
  

• 	int t0 = GDKms();
  ret = unlink(dstpath);
  		IODEBUG THRprintf(GDKout, "#unlink %s = %d (%dms)\n", dstpath, ret, GDKms() - t0);
  

  }

• t0 = GDKms();
  

• ret = rename(srcpath, dstpath);
  

• if (ret < 0) {
  

• 	GDKsyserror("HEAPload: rename of %s failed\n", srcpath);
  

• 	return -1;
  

• if (ret == 0) { /* move X.new to X */
  

• 	int t0 = GDKms();
  

• 	ret = rename(srcpath, dstpath);
  

•    		IODEBUG THRprintf(GDKout, "#rename %s %s = %d (%dms)\n", srcpath, dstpath, ret, GDKms() - t0);
  

  }

•   		IODEBUG THRprintf(GDKout, "#rename %s %s = %d (%dms)\n", srcpath, dstpath, ret, GDKms() - t0);
  

• } else if (ret) { /* legacy: accept .priv files as well */

• int t0 = GDKms(); 
  

• strcpy(p, ".priv");
  

• ret = rename(srcpath, dstpath); /* move X.priv to X */
  

•    	IODEBUG THRprintf(GDKout, "#rename %s %s = %d (%dms)\n", srcpath, dstpath, ret, GDKms() - t0);
  

  }

  h->base = (char *) GDKload(nme, ext, h->free, h->size, h->newstorage);

@@ -885,13 +887,15 @@ /* // Create bitmasks that will hold all valid block positions */

• hr->validmask = (int *) GDKzalloc(sizeof(int) * ++nwords);
• freemask = (int *) GDKzalloc(sizeof(int) * nwords);

• hr->validmask = (int *) GDKmalloc(sizeof(int) * ++nwords);

• freemask = (int *) GDKmalloc(sizeof(int) * nwords); if (hr->validmask == NULL || freemask == NULL) { GDKfree(hr->validmask); GDKfree(freemask); return FALSE; }

• for (block = 0; block < nwords; block++)

• freemask[block] = hr->validmask[block] = 0;
  
  

  /* // Walk the freelist; register them in freemask

---

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