Changeset c721d26 in mainline for uspace/lib/c/include/async.h

Timestamp:

2015-06-16T14:18:22Z (9 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

2654afb

Parents:

f7aa7a40

Message:

The async_futex must also be held during FIBRIL_FROM_DEAD.
Add the missing futex_down() to fibril_main() and async_manager().
Add an assert to fibril_switch().

File:

• uspace/lib/c/include/async.h (modified) (1 diff)

uspace/lib/c/include/async.h

@@ -108 +108 @@
 
 #define async_manager() \
-        fibril_switch(FIBRIL_TO_MANAGER)
+        do { \
+                futex_down(&async_futex); \
+                fibril_switch(FIBRIL_FROM_DEAD); \
+        } while (0)
 
 #define async_get_call(data) \