// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Tests a G being created from within a syscall.
//
// Specifically, it tests a scenerio wherein a C
// thread is calling into Go, creating a goroutine in
// a syscall (in the tracer's model). Because the actual
// m can be reused, it's possible for that m to have never
// had its P (in _Psyscall) stolen if the runtime doesn't

Carlos Amedee <******@****.***> 1715265901 -0400

pkg syscall (openbsd-amd64), const S_IRWXO ideal-int
pkg syscall (openbsd-amd64-cgo), const S_IRWXG = 56
pkg syscall (openbsd-amd64-cgo), const S_IRWXG ideal-int
pkg syscall (openbsd-amd64-cgo), const S_IRWXO = 7
pkg syscall (openbsd-amd64-cgo), const S_IRWXO ideal-int
pkg syscall (windows-386), const UNIX_PATH_MAX = 108
pkg syscall (windows-386), const UNIX_PATH_MAX ideal-int

Carlos Amedee <******@****.***> 1715265901 -0400

Carlos Amedee <******@****.***> 1715265901 -0400

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// Tests a G being created from within a syscall.
//
// Specifically, it tests a scenerio wherein a C
// thread is calling into Go, creating a goroutine in
// a syscall (in the tracer's model). The system is free
// to reuse thread IDs, so first a thread ID is used to
// call into Go, and then is used for a Go-created thread.
//

// license that can be found in the LICENSE file.

// Tests syscall P stealing at a generation boundary.

package main

import (
	"internal/trace"
	"internal/trace/event/go122"
	testgen "internal/trace/internal/testgen/go122"
)

func main() {
	testgen.Main(gen)
}

func gen(t *testgen.Trace) {
	g := t.Generation(1)

	// One goroutine is exiting with a syscall. It already
	// acquired a new P.

// license that can be found in the LICENSE file.

// Tests syscall P stealing.

package main

import (
	"internal/trace"
	"internal/trace/event/go122"
	testgen "internal/trace/internal/testgen/go122"
)

func main() {
	testgen.Main(gen)
}

func gen(t *testgen.Trace) {
	g := t.Generation(1)

	// One goroutine enters a syscall, grabs a P, and starts running.
	b0 := g.Batch(trace.ThreadID(0), 0)

Carlos Amedee <******@****.***> 1715265901 -0400

Carlos Amedee <******@****.***> 1715265901 -0400