Changeset c402739f for libcfa/src/concurrency/io.cfa

Timestamp:

Sep 16, 2020, 1:48:12 PM (4 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

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

Children:

2724b4e

Parents:

1c01c58

Message:

I/O operations now use futures.
io calls implementation are now generated at configure time.

File:

• libcfa/src/concurrency/io.cfa (modified) (1 diff)

libcfa/src/concurrency/io.cfa

@@ -159 +159 @@
 
         static inline void process(struct io_uring_cqe & cqe ) {
-                struct __io_user_data_t * data = (struct __io_user_data_t *)(uintptr_t)cqe.user_data;
-                __cfadbg_print_safe( io, "Kernel I/O : Syscall completed : cqe %p, result %d for %p\n", data, cqe.res, data->thrd );
-
-                data->result = cqe.res;
-                post( data->sem );
+                struct io_future_t * future = (struct io_future_t *)(uintptr_t)cqe.user_data;
+                __cfadbg_print_safe( io, "Kernel I/O : Syscall completed : cqe %p, result %d for %p\n", future, cqe.res, data->thrd );
+
+                fulfil( *future, cqe.res );
         }