Changeset 4c467ee in mainline

Timestamp:

2009-07-10T22:31:22Z (15 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

ec8b0dac

Parents:

30f869d

Message:

In fibril_switch(), make sure to reload srcf with the current fibril address
in the post-context_restore() code. Its value may be invalid after
contex_restore() due to e.g. register recycling.

File:

• uspace/lib/libc/generic/fibril.c (modified) (1 diff)

uspace/lib/libc/generic/fibril.c

@@ -166 +166 @@
                 /* Save current state */
                 if (!context_save(&srcf->ctx)) {
+                        /*
+                         * Make sure to reload srcf with the current fibril
+                         * address. Its value may be invalid after
+                         * contex_restore() due to e.g. register recycling.
+                         */
+                        srcf = __tcb_get()->fibril_data;
                         if (serialization_count)
                                 srcf->flags &= ~FIBRIL_SERIALIZED;