Changeset 2a46e10 in mainline for generic/src/proc/thread.c

Timestamp:

2006-02-16T13:35:02Z (19 years ago)

Author:

Ondrej Palkovsky <ondrap@…>

Branches:

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

Children:

3debedec

Parents:

ff4e1cd

Message:

Avoid memory exhaustion in thread_create in slab2 test.

File:

• generic/src/proc/thread.c (modified) (3 diffs)

generic/src/proc/thread.c

@@ -96 +96 @@
         thread_t *t = (thread_t *)obj;
         pfn_t pfn;
+        int status;
 
         spinlock_initialize(&t->lock, "thread_t_lock");
@@ -103 +104 @@
         link_initialize(&t->threads_link);
         
-        pfn = frame_alloc(ONE_FRAME, FRAME_KA | kmflags);
+        pfn = frame_alloc_rc(ONE_FRAME, FRAME_KA | kmflags,&status);
+        if (status)
+                return -1;
         t->kstack = (__u8 *)PA2KA(PFN2ADDR(pfn));
-        if (!t->kstack)
-                return -1;
 
         return 0;
@@ -230 +231 @@
         
         t = (thread_t *) slab_alloc(thread_slab, 0);
+        if (!t)
+                return NULL;
         
         /* Not needed, but good for debugging */