Changeset 1de92fb0 in mainline for uspace/lib/c/generic/thread/atomic.c

Timestamp:

2018-08-01T18:15:53Z (6 years ago)

Author:

Jiří Zárevúcky <jiri.zarevucky@…>

Branches:

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

Children:

f787c8e

Parents:

6340b4d2

git-author:

Jiří Zárevúcky <jiri.zarevucky@…> (2018-07-31 22:01:34)

git-committer:

Jiří Zárevúcky <jiri.zarevucky@…> (2018-08-01 18:15:53)

Message:

Implement MPSC FIFO channel and use it to pass inbound IPC calls to the connection fibril.

Technically, a SPSC channel would be sufficient for this, and might be added
in the future but MPSC is more widely useful.

File:

• uspace/lib/c/generic/thread/atomic.c (modified) (1 diff)

uspace/lib/c/generic/thread/atomic.c

@@ -36 +36 @@
  */
 
+void __sync_synchronize(void)
+{
+        // FIXME: Full memory barrier. We need a syscall for this.
+        // Should we implement this or is empty definition ok here?
+}
+
 unsigned __sync_add_and_fetch_4(volatile void *vptr, unsigned val)
 {