Changeset 2606a03

Timestamp:

Aug 13, 2020, 5:47:48 PM (4 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

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

Children:

080ee15

Parents:

2b5be17

Message:

Fixed error where submitflags where incorrectly overwritten.
Fixed only for readv, everything else is broken.

File:

• libcfa/src/concurrency/iocall.cfa (modified) (3 diffs)

libcfa/src/concurrency/iocall.cfa

@@ -101 +101 @@
         #endif
 
-
         #define __submit_prelude \
                 if( 0 != (submit_flags & LINK_FLAGS) ) { errno = ENOTSUP; return -1; } \
@@ -110 +109 @@
                 struct io_uring_sqe * sqe; \
                 uint32_t idx; \
+                uint8_t sflags = REGULAR_FLAGS & submit_flags; \
                 [sqe, idx] = __submit_alloc( ring, (uint64_t)(uintptr_t)&data ); \
-                sqe->flags = REGULAR_FLAGS & submit_flags;
+                sqe->flags = sflags;
 
         #define __submit_wait \
@@ -186 +186 @@
                         __submit_prelude
 
-                        (*sqe){ IORING_OP_READV, fd, iov, iovcnt, offset };
+                        sqe->opcode = IORING_OP_READV;
+                        sqe->ioprio = 0;
+                        sqe->fd = fd;
+                        sqe->off = offset;
+                        sqe->addr = (uint64_t)(uintptr_t)iov;
+                        sqe->len = iovcnt;
+                        sqe->rw_flags = 0;
+                        sqe->__pad2[0] = sqe->__pad2[1] = sqe->__pad2[2] = 0;
 
                         __submit_wait