Changeset 1107050 in mainline for uspace/lib/c/generic/fibril.c

Timestamp:

2012-11-06T22:56:02Z (12 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

9a9c805

Parents:

692bd3f2

Message:

Allocate fibril stacks as guarded and non-pre-reserved address space areas.

File:

• uspace/lib/c/generic/fibril.c (modified) (4 diffs)

uspace/lib/c/generic/fibril.c

@@ -39 +39 @@
 #include <tls.h>
 #include <malloc.h>
+#include <abi/mm/as.h>
+#include <as.h>
 #include <unistd.h>
 #include <stdio.h>
@@ -195 +197 @@
                                          * stack member filled.
                                          */
-                                        free(stack);
+                                        as_area_destroy(stack);
                                 }
                                 fibril_teardown(srcf->clean_after_me);
@@ -269 +271 @@
                 return 0;
         
-        fibril->stack =
-            (char *) malloc(FIBRIL_INITIAL_STACK_PAGES_NO * getpagesize());
-        if (!fibril->stack) {
+        fibril->stack = as_area_create((void *) -1,
+            FIBRIL_INITIAL_STACK_PAGES_NO * getpagesize(),
+            AS_AREA_READ | AS_AREA_WRITE | AS_AREA_CACHEABLE | AS_AREA_GUARD |
+            AS_AREA_NORESERVE);
+        if (fibril->stack == (void *) -1) {
                 fibril_teardown(fibril);
                 return 0;
@@ -298 +302 @@
         fibril_t *fibril = (fibril_t *) fid;
         
-        free(fibril->stack);
+        as_area_destroy(fibril->stack);
         fibril_teardown(fibril);
 }