Changeset e71e94a for libcfa/src/concurrency/io

Timestamp:

Apr 1, 2022, 1:47:47 PM (3 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, ast-experimental, enum, master, pthread-emulation, qualifiedEnum

Children:

5f53cc3

Parents:

1417f6b

Message:

Some clean-up of ready queue usage of -1llu.
io types ts now returns MAX on empty cq

File:

• libcfa/src/concurrency/io/types.hfa (modified) (2 diffs)

libcfa/src/concurrency/io/types.hfa

@@ -25 +25 @@
 #include "iofwd.hfa"
 #include "kernel/fwd.hfa"
+#include "limits.hfa"
 
 #if defined(CFA_HAVE_LINUX_IO_URING_H)
@@ -136 +137 @@
 
         static inline unsigned long long ts($io_context *& this) {
+                const __u32 head = *this->cq.head;
+                const __u32 tail = *this->cq.tail;
+
+                if(head == tail) return MAX;
+
                 return this->cq.ts;
         }