preemptoff    string // if != "", keep curg running on this m
	locks         int32
	dying         int32
	profilehz     int32
	spinning      bool // m is out of work and is actively looking for work
	blocked       bool // m is blocked on a note
	newSigstack   bool // minit on C thread called sigaltstack
	printlock     int8
	incgo         bool          // m is executing a cgo call
	isextra       bool          // m is an extra m

        service.startProjectExecution(parallel)
        return service
    }

    TestTrackedResourceLock resourceLock(String displayName, boolean locked, boolean hasLock = false) {
        return new TestTrackedResourceLock(displayName, coordinationService, Mock(ResourceLockContainer), locked, hasLock)
    }

    TestTrackedResourceLock resourceLock(String displayName) {
        return resourceLock(displayName, false)
    }

SwapCached:            0 kB
Active:         17791108 kB
Inactive:       13818288 kB
Active(anon):   17189920 kB
Inactive(anon):      460 kB
Active(file):     601188 kB
Inactive(file): 13817828 kB
Unevictable:           0 kB
Mlocked:               0 kB
SwapTotal:             0 kB
SwapFree:              0 kB
Dirty:                20 kB
Writeback:             0 kB
AnonPages:      17189100 kB
Mapped:            24008 kB
Shmem:              1312 kB

            root(":", ":depLock:") {
                edge("org:foo:1.+", "org:foo:1.1") {
                    byConflictResolution("between versions 1.0 and 1.1")
                    byConstraint("dependency was locked to version '1.0' (update/lenient mode)")
                }
                edge("org:foo:{strictly 1.1}", "org:foo:1.1")
                constraint("org:foo:1.0", "org:foo:1.1")
            }
        }

        where:

	UID string

	// Resources contains single or multiple entries to be locked/unlocked.
	Resources []string

	// Source contains the line number, function and file name of the code
	// on the client node that requested the lock.
	Source string

	// Owner represents unique ID for this instance, an owner who originally requested
	// the locked resource, useful primarily in figuring out stale locks.
	Owner string

            }
            request1.waitUntilBlocked()
            instant.aBlocked
            request1.release()
            request2.waitUntilBlocked()
            instant.bBlocked
            request2.release()
        }
        server.stop()

        then:
        instant.aDone > instant.aBlocked
        instant.bDone > instant.bBlocked
    }

    def "can wait for and release n concurrent requests"() {

     *
     * <p>Can not be called after being locked.
     *
     * @return this
     */
    ClassLoaderScope local(ClassPath classPath);

    /**
     * Makes the provided classes visible to this scope and its children. The classes are loaded in their own ClassLoader whose parent is the export ClassLoader
     * of the parent scope.
     *
     * <p>Can not be called after being locked.
     *
     * @return this
     */

package runtime

// This file contains the implementation of Go channels.

// Invariants:
//  At least one of c.sendq and c.recvq is empty,
//  except for the case of an unbuffered channel with a single goroutine
//  blocked on it for both sending and receiving using a select statement,
//  in which case the length of c.sendq and c.recvq is limited only by the
//  size of the select statement.
//
// For buffered channels, also:

 */
public interface ResourceLock extends Describable {
    /**
     * Returns true if this resource is locked by any thread.
     *
     * @return true if any thread holds the lock for this resource
     */
    boolean isLocked();

    /**
     * Returns true if the current thread holds a lock on this resource.  Returns false otherwise.
     *

     * released by calling {@link FileLock#close()}. This method blocks until the lock can be acquired.
     *
     * @param target The file to be locked.
     * @param options The lock options.
     * @param targetDisplayName A display name for the target file. This is used in log and error messages.
     */