Changeset 7473807 in mainline for kernel/generic/src/proc/thread.c

Timestamp:

2018-05-11T20:22:42Z (7 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

d2c5159

Parents:

ae89656

Message:

Use atomic malloc allocations

We can safely use atomic allocations in places that use the non-failing
version of malloc(), but test the return value anyway. And also in some
places that can afford to return failure but did not because of comfort.

File:

• kernel/generic/src/proc/thread.c (modified) (1 diff)

kernel/generic/src/proc/thread.c

@@ -949 +949 @@
          */
         uspace_arg_t *kernel_uarg =
-            (uspace_arg_t *) malloc(sizeof(uspace_arg_t), 0);
+            (uspace_arg_t *) malloc(sizeof(uspace_arg_t), FRAME_ATOMIC);
+        if (!kernel_uarg)
+                return (sys_errno_t) ENOMEM;
 
         rc = copy_from_uspace(kernel_uarg, uspace_uarg, sizeof(uspace_arg_t));