Changeset bdfd0bd

Timestamp:

Mar 30, 2022, 4:55:07 PM (2 years ago)

Author:

Thierry Delisle <tdelisle@…>

Branches:

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

Children:

13cdc8c

Parents:

4ccc150

Message:

EINTR will no longer wakeup the idle_sleep.

File:

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

libcfa/src/concurrency/io.cfa

@@ -96 +96 @@
         static void ioring_syscsll( struct $io_context & ctx, unsigned int min_comp, unsigned int flags ) {
                 __STATS__( true, io.calls.flush++; )
-                int ret = syscall( __NR_io_uring_enter, ctx.fd, ctx.sq.to_submit, min_comp, flags, (sigset_t *)0p, _NSIG / 8);
-                if( ret < 0 ) {
-                        switch((int)errno) {
-                        case EAGAIN:
-                        case EINTR:
-                        case EBUSY:
-                                // Update statistics
-                                __STATS__( false, io.calls.errors.busy ++; )
-                                return false;
-                        default:
-                                abort( "KERNEL ERROR: IO_URING SYSCALL - (%d) %s\n", (int)errno, strerror(errno) );
+                int ret;
+                for() {
+                        ret = syscall( __NR_io_uring_enter, ctx.fd, ctx.sq.to_submit, min_comp, flags, (sigset_t *)0p, _NSIG / 8);
+                        if( ret < 0 ) {
+                                switch((int)errno) {
+                                case EINTR:
+                                        continue;
+                                case EAGAIN:
+                                case EBUSY:
+                                        // Update statistics
+                                        __STATS__( false, io.calls.errors.busy ++; )
+                                        return false;
+                                default:
+                                        abort( "KERNEL ERROR: IO_URING SYSCALL - (%d) %s\n", (int)errno, strerror(errno) );
+                                }
                         }
+                        break;
                 }