2006-05-23 Zoltan Varga <vargaz@gmail.com>

	* os_dep.c (GC_unix_get_mem): Add an assert to bail out early if the runtime is
	run on a machine with smaller page size than HBLKSIZE.

svn path=/trunk/mono/; revision=61001

diff --git a/libgc/ChangeLog b/libgc/ChangeLog
index ac2fd1f843cf440243718f00255db0a6ad6cd191..45112d6ed1ede8250a1a3f2bd32c9c5c91a9c5c0 100644 (file)
--- a/libgc/ChangeLog
+++ b/libgc/ChangeLog
@@ -1,3 +1,8 @@
+2006-05-23  Zoltan Varga  <vargaz@gmail.com>
+
+       * os_dep.c (GC_unix_get_mem): Add an assert to bail out early if the runtime is
+       run on a machine with smaller page size than HBLKSIZE.
+
 2006-05-19  Martin Baulig  <martin@ximian.com>
 
        * include/gc.h: Don't include "libgc-mono-debugger.h".

diff --git a/libgc/os_dep.c b/libgc/os_dep.c
index ef80a9d093ec2dfd0965a28965177628804ac8ba..e92a9ef636c4ec2dbdb32a3109696df383c6d5f2 100644 (file)
--- a/libgc/os_dep.c
+++ b/libgc/os_dep.c
@@ -1617,6 +1617,8 @@ word bytes;
 #   else
       GC_ASSERT(last_addr != 0);
 #   endif
+         if (((word)result % HBLKSIZE) != 0)
+                 ABORT ("GC_unix_get_mem: Memory returned by mmap is not aligned to HBLKSIZE.");
     return((ptr_t)result);
 }