Fix a mutex leak in the new malloc-free memory allocator. (CVS 4494)

FossilOrigin-Name: 30f014d3d0231a668c40508ff4a6b90ce622c857

manifest

@@ -1,5 +1,5 @@
-C Added\san\sexperimental\smalloc-free\smemory\sallocation\ssubsystem,\sintended\nfor\suse\son\sembedded\ssystems.\s\sRuns\s7%\sfaster\sthan\swhen\susing\ssystem\nmalloc()\son\sLinux.\s(CVS\s4493)
-D 2007-10-19T17:47:25
+C Fix\sa\smutex\sleak\sin\sthe\snew\smalloc-free\smemory\sallocator.\s(CVS\s4494)
+D 2007-10-20T12:34:01
 F Makefile.in 30c7e3ba426ddb253b8ef037d1873425da6009a8
 F Makefile.linux-gcc 65241babba6faf1152bf86574477baab19190499
 F README 9c4e2d6706bdcc3efdd773ce752a8cdab4f90028
@@ -104,7 +104,7 @@ F src/malloc.c de4e77fe70a9a0ac47a1c3a874422b107231bf31
 F src/md5.c c5fdfa5c2593eaee2e32a5ce6c6927c986eaf217
 F src/mem1.c cacb202bc379da10d69aa66d497c0ea7bd9cd8a5
 F src/mem2.c 3f669b5e20975a5a2ca392aca891cd686e22b097
-F src/mem3.c 6c3cc2d3894acdc2eef5d65960a3bd4c8ba3aed7
+F src/mem3.c 6a9329f368d9a6f3f1937c870e63f25db4921cef
 F src/mutex.c 3259f62c2429967aee6dc112117a6d2f499ef061
 F src/mutex.h 079fa6fe9da18ceb89e79012c010594c6672addb
 F src/mutex_os2.c 7fe4773e98ed74a63b2e54fc557929eb155f6269
@@ -582,7 +582,7 @@ F www/tclsqlite.tcl 8be95ee6dba05eabcd27a9d91331c803f2ce2130
 F www/vdbe.tcl 87a31ace769f20d3627a64fa1fade7fed47b90d0
 F www/version3.tcl 890248cf7b70e60c383b0e84d77d5132b3ead42b
 F www/whentouse.tcl fc46eae081251c3c181bd79c5faef8195d7991a5
-P e8d591e8c369794921a4acbba5b17fddca730ee7
-R 57568b40e30acc759ef65998fb849eb6
+P 8487ca82fade60b9fa63abf74e10f6ebcb48b98e
+R 90ba9f4c15dca4497d400480c35485e4
 U drh
-Z ffa57053e998becc58e159cdcfc3c99d
+Z ea0e251b46a75fe3eb6d2bdbc7463d99

manifest.uuid

@@ -1 +1 @@
-8487ca82fade60b9fa63abf74e10f6ebcb48b98e
+30f014d3d0231a668c40508ff4a6b90ce622c857

src/mem3.c

@@ -20,7 +20,7 @@
 ** This version of the memory allocation subsystem is used if
 ** and only if SQLITE_MEMORY_SIZE is defined.
 **
-** $Id: mem3.c,v 1.1 2007/10/19 17:47:25 drh Exp $
+** $Id: mem3.c,v 1.2 2007/10/20 12:34:01 drh Exp $
 */
 
 /*
@@ -547,6 +547,7 @@ void *sqlite3_realloc(void *pPrior, int nBytes){
     sqlite3MemsysAlarm(nBytes);
     p = internal_malloc(nBytes);
     if( p==0 ){
+      sqlite3_mutex_leave(mem.mutex);
       return 0;
     }
   }