align tamago support to go1.17

src/net/unixsock_readmsg_other.go

@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build (js && wasm) || windows
-// +build js,wasm windows
+//go:build (js && wasm) || windows || tamago
+// +build js,wasm windows tamago
 
 package net
 

src/runtime/lock_tamago.go

@@ -153,6 +153,8 @@ func checkTimeouts() {
 // beforeIdle gets called by the scheduler if no goroutine is awake.
 // If we are not already handling an event, then we pause for an async event.
 // If an event handler returned, we resume it and it will pause the execution.
-func beforeIdle(delay int64) (gp *g, otherReady bool) {
+// beforeIdle either returns the specific goroutine to schedule next or
+// indicates with otherReady that some goroutine became ready.
+func beforeIdle(now, pollUntil int64) (gp *g, otherReady bool) {
 	return nil, false
 }

src/runtime/mmap.go

@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-//go:build !aix && !darwin && !js && (!linux || !amd64) && (!linux || !arm64) && !openbsd && !plan9 && !solaris && !windows
+//go:build !aix && !darwin && !js && (!linux || !amd64) && (!linux || !arm64) && !openbsd && !plan9 && !solaris && !windows && !tamago
 // +build !aix
 // +build !darwin
 // +build !js

src/runtime/os_tamago_arm.go

@@ -70,6 +70,7 @@ func setProcessCPUProfiler(hz int32) {}
 func setThreadCPUProfiler(hz int32)  {}
 func initsig(preinit bool)           {}
 func osyield()                       {}
+func osyield_no_g()                  {}
 
 // May run with m.p==nil, so write barriers are not allowed.
 //go:nowritebarrier
@@ -169,7 +170,7 @@ func syscall_now() (sec int64, nsec int32) {
 }
 
 //go:nosplit
-func walltime1() (sec int64, nsec int32) {
+func walltime() (sec int64, nsec int32) {
 	// TODO: probably better implement this in sys_tamago_arm.s for better
 	// performance
 	nano := nanotime()
@@ -185,6 +186,11 @@ func usleep(us uint32) {
 	}
 }
 
+//go:nosplit
+func usleep_no_g(usec uint32) {
+	usleep(usec)
+}
+
 func exit(code int32) {
 	print("exit with code ", code, " halting\n")
 	for {

src/runtime/sigqueue.go

@@ -28,7 +28,7 @@
 // unnecessary rechecks of sig.mask, but it cannot lead to missed signals
 // nor deadlocks.
 
-//go:build !plan9
+//go:build !plan9 && !tamago
 // +build !plan9
 // +build !tamago
 

src/syscall/syscall_tamago.go

@@ -7,6 +7,7 @@
 package syscall
 
 import (
+	"internal/itoa"
 	"internal/oserror"
 	"sync"
 	"unsafe"
@@ -53,7 +54,7 @@ const PathMax = 256
 // using errors.Is. For example:
 //
 //	_, _, err := syscall.Syscall(...)
-//	if errors.Is(err, os.ErrNotExist) ...
+//	if errors.Is(err, fs.ErrNotExist) ...
 type Errno uintptr
 
 func (e Errno) Error() string {
@@ -63,7 +64,7 @@ func (e Errno) Error() string {
 			return s
 		}
 	}
-	return "errno " + itoa(int(e))
+	return "errno " + itoa.Itoa(int(e))
 }
 
 func (e Errno) Is(target error) bool {
@@ -109,7 +110,7 @@ func (s Signal) String() string {
 			return str
 		}
 	}
-	return "signal " + itoa(int(s))
+	return "signal " + itoa.Itoa(int(s))
 }
 
 var signals = [...]string{}