Reduced chunk size.

[yaz-moved-to-github.git] / util / nmem.c

diff --git a/util/nmem.c b/util/nmem.c
index 99d22cd..981c22c 100644 (file)
--- a/util/nmem.c
+++ b/util/nmem.c
@@ -1,10 +1,17 @@
 /*
- * Copyright (c) 1995-1997, Index Data.
+ * Copyright (c) 1995-1998, Index Data.
  * See the file LICENSE for details.
  * Sebastian Hammer, Adam Dickmeiss
  *
  * $Log: nmem.c,v $
- * Revision 1.7  1998-02-11 11:53:36  adam
+ * Revision 1.9  1998-07-07 15:49:01  adam
+ * Reduced chunk size.
+ *
+ * Revision 1.8  1998/07/03 14:21:27  adam
+ * Added critical sections for pthreads-library. Thanks to Ian Ibbotson,
+ * Fretwell Downing Informatics.
+ *
+ * Revision 1.7  1998/02/11 11:53:36  adam
  * Changed code so that it compiles as C++.
  *
  * Revision 1.6  1997/10/31 12:20:09  adam
@@ -41,14 +48,20 @@
 #include <log.h>
 #ifdef WINDOWS
 #include <windows.h>
+#elif _REENTRANT
+#include <pthread.h>
 #endif
 
-#define NMEM_CHUNK (10*1024)
+#define NMEM_CHUNK (4*1024)
 
 #ifdef WINDOWS
 static CRITICAL_SECTION critical_section;
 #define NMEM_ENTER EnterCriticalSection(&critical_section)
 #define NMEM_LEAVE LeaveCriticalSection(&critical_section)
+#elif _REENTRANT
+static pthread_mutex_t nmem_mutex;
+#define NMEM_ENTER pthread_mutex_lock(&nmem_mutex);
+#define NMEM_LEAVE pthread_mutex_unlock(&nmem_mutex);
 #else
 #define NMEM_ENTER
 #define NMEM_LEAVE
@@ -75,10 +88,12 @@ static nmem_block *get_block(int size)
        if (r->size >= size)
            break;
     if (r)
+    {
        if (l)
            l->next = r->next;
        else
            freelist = r->next;
+    }
     else
     {
        int get = NMEM_CHUNK;