Changeset f6660520 for libcfa/src/concurrency/kernel.hfa

Timestamp:

Apr 30, 2020, 3:27:11 PM (3 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

arm-eh, enum, forall-pointer-decay, jacob/cs343-translation, master, new-ast, new-ast-unique-expr, pthread-emulation, qualifiedEnum

Children:

9987d79

Parents:

c59a346

Message:

Added new implementation of io_uring that uses user-thread

File:

• libcfa/src/concurrency/kernel.hfa (modified) (3 diffs)

libcfa/src/concurrency/kernel.hfa

@@ -136 +136 @@
         // Like head/tail but not seen by the kernel
         volatile uint32_t alloc;
+        volatile uint32_t ready;
 
         __spinlock_t lock;
@@ -187 +188 @@
 };
 
+#if defined(__CFA_IO_POLLING_USER__)
+        struct __io_poller_fast {
+                struct io_ring * ring;
+                $thread thrd;
+        };
+#endif
+
 struct io_ring {
         struct io_uring_sq submit_q;
@@ -192 +200 @@
         uint32_t flags;
         int fd;
-        pthread_t poller;
-        void * stack;
+        semaphore submit;
         volatile bool done;
-        semaphore submit;
+        struct {
+                struct {
+                        void * stack;
+                        pthread_t kthrd;
+                } slow;
+                #if defined(__CFA_IO_POLLING_USER__)
+                        __io_poller_fast fast;
+                        __bin_sem_t sem;
+                #endif
+        } poller;
 };
 #endif