Changeset d3605f8 for libcfa/src/concurrency/kernel_private.hfa

Timestamp:

Nov 29, 2021, 4:58:54 PM (2 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

ADT, ast-experimental, enum, forall-pointer-decay, master, pthread-emulation, qualifiedEnum

Children:

03cdad6

Parents:

3bb4f85

Message:

Reworked io_uring idle sleep to work with either read or readv depending on what's available.

File:

• libcfa/src/concurrency/kernel_private.hfa (modified) (1 diff)

libcfa/src/concurrency/kernel_private.hfa

@@ -39 +39 @@
 }
 
-// #define IO_URING_IDLE
+// Defines whether or not we *want* to use io_uring_enter as the idle_sleep blocking call
+#define CFA_WANT_IO_URING_IDLE
+
+// Defines whether or not we *can* use io_uring_enter as the idle_sleep blocking call
+#if defined(CFA_WANT_IO_URING_IDLE) && defined(CFA_HAVE_LINUX_IO_URING_H)
+        #if defined(CFA_HAVE_IORING_OP_READ) || (defined(CFA_HAVE_READV) && defined(CFA_HAVE_IORING_OP_READV))
+                #define CFA_WITH_IO_URING_IDLE
+        #endif
+#endif
 
 //-----------------------------------------------------------------------------