0.9.3.48:

	Don't set the MAP_FIXED flag for mmap on Linux. This allows us
        to give a reasonable error message when the areas we're trying
        to map are already reserved, instead of crashing due to
        overwriting them. (As suggested by James Knight on sbcl-devel,
        2005-08-01).

diff --git a/src/runtime/linux-os.c b/src/runtime/linux-os.c
index 5bed73a..25fd433 100644 (file)
--- a/src/runtime/linux-os.c
+++ b/src/runtime/linux-os.c
@@ -142,13 +142,10 @@ os_vm_address_t
 os_validate(os_vm_address_t addr, os_vm_size_t len)
 {
     int flags =  MAP_PRIVATE | MAP_ANONYMOUS | MAP_NORESERVE;
-    os_vm_address_t actual ;
+    os_vm_address_t actual;
 
-    if (addr)
-        flags |= MAP_FIXED;
 #ifdef LISP_FEATURE_ALPHA
-    else {
-        flags |= MAP_FIXED;
+    if (!addr) {
         addr=under_2gb_free_pointer;
     }
 #endif

diff --git a/version.lisp-expr b/version.lisp-expr
index 050acb6..0ed0b23 100644 (file)
--- a/version.lisp-expr
+++ b/version.lisp-expr
@@ -17,4 +17,4 @@
 ;;; checkins which aren't released. (And occasionally for internal
 ;;; versions, especially for internal versions off the main CVS
 ;;; branch, it gets hairier, e.g. "0.pre7.14.flaky4.13".)
-"0.9.3.47"
+"0.9.3.48"