svn commit: trunk/uClibc/include/sys

[vapier at uclibc.org]

Author: vapier
Date: 2006-09-08 16:07:54 -0700 (Fri, 08 Sep 2006)
New Revision: 16078

Log:
add some inline funcs for the mlock funcs on no-mmu

Modified:
   trunk/uClibc/include/sys/mman.h


Changeset:
Modified: trunk/uClibc/include/sys/mman.h
===================================================================
--- trunk/uClibc/include/sys/mman.h	2006-09-08 17:56:52 UTC (rev 16077)
+++ trunk/uClibc/include/sys/mman.h	2006-09-08 23:07:54 UTC (rev 16078)
@@ -100,6 +100,7 @@
 #endif
 
 #ifdef __ARCH_USE_MMU__
+
 /* Guarantee all whole pages mapped by the range [ADDR,ADDR+LEN) to
    be memory resident.  */
 extern int mlock (__const void *__addr, size_t __len) __THROW;
@@ -115,6 +116,17 @@
 /* All currently mapped pages of the process' address space become
    unlocked.  */
 extern int munlockall (void) __THROW;
+
+#else
+
+/* On no-mmu systems, memory cannot be swapped out, so
+ * these functions will always succeed.
+ */
+static inline int mlock (__const void *__addr, size_t __len) { return 0; }
+static inline int munlock (__const void *__addr, size_t __len) { return 0; }
+static inline int mlockall (int __flags) { return 0; }
+static inline int munlockall (void) { return 0; }
+
 #endif
 
 #ifdef __USE_MISC