//go:cgo_import_dynamic libc_chroot chroot "libc.so"
//go:cgo_import_dynamic libc_close close "libc.so"
//go:cgo_import_dynamic libc_execve execve "libc.so"
//go:cgo_import_dynamic libc_fcntl fcntl "libc.so"
//go:cgo_import_dynamic libc_forkx forkx "libc.so"
//go:cgo_import_dynamic libc_gethostname gethostname "libc.so"
//go:cgo_import_dynamic libc_getpid getpid "libc.so"
//go:cgo_import_dynamic libc_ioctl ioctl "libc.so"
//go:cgo_import_dynamic libc_setgid setgid "libc.so"

	RET

TEXT ·execve(SB),NOSPLIT,$0
	JMP	runtime·syscall_execve(SB)

TEXT ·exit(SB),NOSPLIT,$0
	JMP	runtime·syscall_exit(SB)

TEXT ·fcntl1(SB),NOSPLIT,$0
	JMP	runtime·syscall_fcntl(SB)

TEXT ·forkx(SB),NOSPLIT,$0
	JMP	runtime·syscall_forkx(SB)

TEXT ·gethostname(SB),NOSPLIT,$0
	JMP	runtime·syscall_gethostname(SB)

TEXT ·getpid(SB),NOSPLIT,$0
	JMP	runtime·syscall_getpid(SB)

TEXT ·ioctl(SB),NOSPLIT,$0

		fd[i] = int(ufd)
	}
	nextfd++

	// About to call fork.
	// No more allocation or calls of non-assembly functions.
	runtime_BeforeFork()
	r1, err1 = forkx(0x1) // FORK_NOSIGCHLD
	if err1 != 0 {
		runtime_AfterFork()
		return 0, err1
	}

	if r1 != 0 {
		// parent; return PID
		runtime_AfterFork()
		return int(r1), 0
	}

	// Fork succeeded, now in child.

	// Session ID

		n:    1,
		args: uintptr(unsafe.Pointer(&path)),
	}
	asmcgocall(unsafe.Pointer(&asmsysvicall6x), unsafe.Pointer(&call))
	return call.err
}

// like close, but must not split stack, for forkx.
//
//go:nosplit
//go:linkname syscall_close
func syscall_close(fd int32) int32 {
	return int32(sysvicall1(&libc_close, uintptr(fd)))
}

const _F_DUP2FD = 0x9

//go:nosplit
//go:linkname syscall_dup2

	val, err = syscall3(&libc_fcntl, fd, cmd, arg)
	return
}

//go:linkname syscall_forkx syscall.forkx
//go:nosplit
func syscall_forkx(flags uintptr) (pid uintptr, err uintptr) {
	pid, err = syscall1(&libc_fork, flags)
	return
}

//go:linkname syscall_getpid syscall.getpid
//go:nosplit
func syscall_getpid() (pid, err uintptr) {
	pid, err = syscall0(&libc_getpid)
	return

        executer.requireIsolatedDaemons()
    }

    def "forks build when JVM args are requested"() {
        requireJvmArg('-Xmx64m')

        file('build.gradle') << "println 'hello world'"

        when:
        succeeds()

        then:
        wasForked()

        and:
        daemons.daemon.stops()
    }

		}
		procs.waits[ret.pid] = waitc
		procs.Unlock()

		forkc <- ret

		var w waitErr
		for w.err == nil && w.Pid != ret.pid {
			w.err = Await(&w.Waitmsg)
		}
		waitc <- &w
		close(waitc)
	}()
	ret := <-forkc
	return ret.pid, ret.err
}

// Combination of fork and exec, careful to be thread safe.

        configCache(true),
        isolatedProjects(true);

        final public boolean forks;
        final public boolean executeParallel;

        Executer(boolean forks) {
            this(forks, false);
        }

        Executer(boolean forks, boolean parallel) {
            this.forks = forks;
            this.executeParallel = parallel;
        }
    }

func hasWaitingReaders(rw *sync.RWMutex) bool

// acquireForkLock acquires a write lock on ForkLock.
// ForkLock is exported and we've promised that during a fork
// we will call ForkLock.Lock, so that no other threads create
// new fds that are not yet close-on-exec before we fork.
// But that forces all fork calls to be serialized, which is bad.
// But we haven't promised that serialization, and it is essentially

// end::parallel-calculated[]

// tag::fork-every[]
    forkEvery = 100
// end::fork-every[]

// tag::disable-reports[]
    reports.html.required = false
    reports.junitXml.required = false
// end::disable-reports[]

// tag::parallel-4[]
// tag::parallel-calculated[]
// tag::fork-every[]
// tag::disable-reports[]
}
// end::parallel-4[]
// end::parallel-calculated[]
// end::fork-every[]
// end::disable-reports[]