Changeset 78a580d for libcfa/src/concurrency/io

Timestamp:

Mar 22, 2022, 3:28:29 PM (2 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

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

Children:

ff7b2de

Parents:

8f01ad71

Message:

I/O now updates the timestamps when draining.
Timestamps are not used yet.

Location:

libcfa/src/concurrency/io

Files:

• setup.cfa (modified) (2 diffs)
• types.hfa (modified) (1 diff)

libcfa/src/concurrency/io/setup.cfa

@@ -60 +60 @@
         #include "fstream.hfa"
         #include "kernel/private.hfa"
+        #include "limits.hfa"
         #include "thread.hfa"
 #pragma GCC diagnostic pop
@@ -215 +216 @@
                 // completion queue
                 cq.lock      = 0;
+                cq.id        = MAX;
+                cq.ts        = rdtscl();
                 cq.head      = (volatile __u32 *)(((intptr_t)cq.ring_ptr) + params.cq_off.head);
                 cq.tail      = (volatile __u32 *)(((intptr_t)cq.ring_ptr) + params.cq_off.tail);

libcfa/src/concurrency/io/types.hfa

@@ -79 +79 @@
         struct __cmp_ring_t {
                 volatile bool lock;
+
+                unsigned id;
+
+                unsigned long long ts;
 
                 // Head and tail of the ring