}
		gcw.heapScanWork = 0
	}
}

// gcDrainN blackens grey objects until it has performed roughly
// scanWork units of scan work or the G is preempted. This is
// best-effort, so it may perform less work if it fails to get a work
// buffer. Otherwise, it will perform at least n units of work, but
// may perform more because scanning is always done in whole object
// increments. It returns the amount of scan work performed.

	// Parse should call usage and return nil.
	Parse(usage func()) []string
}

// A Fetcher reads and returns the profile named by src. src can be a
// local file path or a URL. duration and timeout are units specified
// by the end user, or 0 by default. duration refers to the length of
// the profile collection, if applicable, and timeout is the amount of
// time to wait for a profile before returning an error. Returns the

	traceEvCPUSamples // start of a section of CPU samples [...traceEvCPUSample]
	traceEvCPUSample  // CPU profiling sample [timestamp, M ID, P ID, goroutine ID, stack ID]
	traceEvFrequency  // timestamp units per sec [freq]

	// Procs.
	traceEvProcsChange // current value of GOMAXPROCS [timestamp, GOMAXPROCS, stack ID]
	traceEvProcStart   // start of P [timestamp, P ID, P seq]
	traceEvProcStop    // stop of P [timestamp]

pkg syscall (freebsd-riscv64), type RtMsghdr struct, Fmask int32 #53466
pkg syscall (freebsd-riscv64), type RtMsghdr struct, Index uint16 #53466
pkg syscall (freebsd-riscv64), type RtMsghdr struct, Inits uint64 #53466
pkg syscall (freebsd-riscv64), type RtMsghdr struct, Msglen uint16 #53466
pkg syscall (freebsd-riscv64), type RtMsghdr struct, Pad_cgo_0 [2]uint8 #53466

)

// Common durations. There is no definition for units of Day or larger
// to avoid confusion across daylight savings time zone transitions.
//
// To count the number of units in a [Duration], divide:
//
//	second := time.Second
//	fmt.Print(int64(second/time.Millisecond)) // prints 1000
//
// To convert an integer number of units to a Duration, multiply:
//
//	seconds := 10

			h = getg().m.highResTimer
			dt := -10 * int64(us) // relative sleep (negative), 100ns units
			stdcall6(_SetWaitableTimer, h, uintptr(unsafe.Pointer(&dt)), 0, 0, 0, 0)
			timeout = _INFINITE
		} else {
			h = _INVALID_HANDLE_VALUE
			timeout = uintptr(us) / 1000 // ms units
		}
		stdcall2(_WaitForSingleObject, h, timeout)
	})
}

func ctrlHandler(_type uint32) uintptr {

// <signedNumber>    ::= <number> | <sign><number>
// <suffix>          ::= <binarySI> | <decimalExponent> | <decimalSI>
// <binarySI>        ::= Ki | Mi | Gi | Ti | Pi | Ei
//
//	(International System of units; See: http://physics.nist.gov/cuu/Units/binary.html)
//
// <decimalSI>       ::= m | "" | k | M | G | T | P | E
//
//	(Note that 1024 = 1Ki but 1000 = 1k; I didn't choose the capitalization.)
//

				}
			}
			sort.Sort(p.pairPositions)
			// if we get here, the closing bracket matched no openers
			// and gets ignored
		}
	}
}

// Bracket pairs within an isolating run sequence are processed as units so
// that both the opening and the closing paired bracket in a pair resolve to
// the same direction.
//
// N0. Process bracket pairs in an isolating run sequence sequentially in

pkg syscall (darwin-386), type RtMsghdr struct, Errno int32
pkg syscall (darwin-386), type RtMsghdr struct, Flags int32
pkg syscall (darwin-386), type RtMsghdr struct, Index uint16
pkg syscall (darwin-386), type RtMsghdr struct, Inits uint32
pkg syscall (darwin-386), type RtMsghdr struct, Msglen uint16
pkg syscall (darwin-386), type RtMsghdr struct, Pad_cgo_0 [2]uint8
pkg syscall (darwin-386), type RtMsghdr struct, Pid int32

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

// TODO/NICETOHAVE:
//   - eliminate DW_CLS_ if not used
//   - package info in compilation units
//   - assign types to their packages
//   - gdb uses c syntax, meaning clumsy quoting is needed for go identifiers. eg
//     ptype struct '[]uint8' and qualifiers need to be quoted away
//   - file:line info for variables