//
// Ensure mayMoreStackPreempt can be called for all ABIs.
//
//go:nosplit
//go:linkname mayMoreStackPreempt
func mayMoreStackPreempt() {
	// Don't do anything on the g0 or gsignal stack.
	gp := getg()
	if gp == gp.m.g0 || gp == gp.m.gsignal {
		return
	}
	// Force a preemption, unless the stack is already poisoned.
	if gp.stackguard0 < stackPoisonMin {
		gp.stackguard0 = stackPreempt
	}
}

        when:
        def lock2 = createLock(lockMode, file, manager2)

        then:
        lock2
        1 * action.accept(_) >> { FileLockReleasedSignal signal ->
            lock.close()
            signal.trigger()
        }

        where:
        lockMode << [Exclusive, Shared]
    }

)

// Signals
const (
	SIGABRT = syscall.Signal(0x6)
	SIGALRM = syscall.Signal(0xe)
	SIGFPE  = syscall.Signal(0x8)
	SIGHUP  = syscall.Signal(0x1)
	SIGILL  = syscall.Signal(0x4)
	SIGINT  = syscall.Signal(0x2)
	SIGIOT  = syscall.Signal(0x6)
	SIGKILL = syscall.Signal(0x9)
	SIGPIPE = syscall.Signal(0xd)
	SIGQUIT = syscall.Signal(0x3)
	SIGSEGV = syscall.Signal(0xb)

	if err == ctx.Err() {
		return nil
	}
	return err
}

func (TestDeps) RunFuzzWorker(fn func(fuzz.CorpusEntry) error) error {
	// Worker processes may or may not receive a signal when the user presses ^C
	// On POSIX operating systems, a signal sent to a process group is delivered
	// to all processes in that group. This is not the case on Windows.
	// If the worker is interrupted, return quickly and without error.

		t.Skipf("starting test process: %v", err)
	}
	defer p.Kill()

	proc, err := FindProcess(p.Pid)
	if err != nil {
		t.Errorf("OS reported error for running process: %v", err)
	}
	err = proc.Signal(syscall.Signal(0))
	if err != nil {
		t.Errorf("OS reported error for running process: %v", err)
	}

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

package main

// Test case for issue 66427.
// Running under TSAN, this fails with "signal handler
// spoils errno".

/*
#include <pthread.h>
#include <signal.h>
#include <stdlib.h>

void go_callback();

static void *thr(void *arg) {
	int i;
	for (i = 0; i < 10; i++)
		go_callback();
	return 0;
}

		Stdin:  os.Stdin,
		Stdout: os.Stdout,
		Stderr: os.Stderr,
	}
	err = toolCmd.Start()
	if err == nil {
		c := make(chan os.Signal, 100)
		signal.Notify(c)
		go func() {
			for sig := range c {
				toolCmd.Process.Signal(sig)
			}
		}()
		err = toolCmd.Wait()
		signal.Stop(c)
		close(c)
	}
	if err != nil {
		// Only print about the exit status if the command

		// for the race detector. The actual synchronization is handled
		// by the fact that the signal handler only reads from the current
		// goroutine and uses atomics to write the updated queue indices,
		// and then the read-out from the signal handler buffer uses
		// atomics to read those queue indices.
		raceacquire(unsafe.Pointer(&labelSync))
	}

	if s.serverCertificate != "" && s.serverPrivateKey != "" {
		go s.runHTTPS(fmt.Sprintf(":%s", *httpsPort))
	}
	defer s.stop()

	// Wait for the process to be shutdown.
	sigs := make(chan os.Signal, 1)
	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
	<-sigs

            FileLockReleasedSignal signal = lockReleasedSignals.get(lockId);
            if (signal != null) {
                LOGGER.debug("Triggering lock release signal for lock with id {}.", lockId);
                signal.trigger();
            }
        } else {