__MAP_MEGA                      = 0x8
	__MAP_64                        = 0x10
	MAP_ANON                        = 0x20
	MAP_ANONYMOUS                   = 0x20
	MS_SYNC                         = 0x1 // msync - synchronous writes
	MS_ASYNC                        = 0x2 // asynchronous writes
	MS_INVALIDATE                   = 0x4 // invalidate mappings
	MS_BIND                         = 0x00001000

//go:linkname readdir_r

// used by internal/poll
//go:linkname fdopendir

// used by internal/syscall/unix
//go:linkname unlinkat
//go:linkname openat
//go:linkname fstatat

// used by cmd/link
//go:linkname msync

	// Call PrepareResources in parallel
	var wgSync, wgStart sync.WaitGroup // groups to sync goroutines
	numGoroutines := 30
	wgSync.Add(numGoroutines)
	wgStart.Add(1)
	for i := 0; i < numGoroutines; i++ {
		go func(t *testing.T, goRoutineNum int) {
			defer wgSync.Done()
			wgStart.Wait() // Wait to start all goroutines at the same time

			var err error

	MSG_PEEK                      = 0x2
	MSG_TRUNC                     = 0x20
	MSG_WAITALL                   = 0x40
	MSG_XPG4_2                    = 0x8000
	MS_ASYNC                      = 0x1
	MS_INVALIDATE                 = 0x2
	MS_OLDSYNC                    = 0x0
	MS_SYNC                       = 0x4
	M_FLUSH                       = 0x86
	NOFLSH                        = 0x80
	OCRNL                         = 0x8

	inlineToStringID  []uint64
	builtinToStringID []uint64
}

const (
	// Block reasons
	sForever = iota
	sPreempted
	sGosched
	sSleep
	sChanSend
	sChanRecv
	sNetwork
	sSync
	sSyncCond
	sSelect
	sEmpty
	sMarkAssistWait

	// STW kinds
	sSTWUnknown
	sSTWGCMarkTermination
	sSTWGCSweepTermination
	sSTWWriteHeapDump
	sSTWGoroutineProfile
	sSTWGoroutineProfileCleanup

	Utime    Timeval
	Stime    Timeval
	Maxrss   int64
	Ixrss    int64
	Idrss    int64
	Isrss    int64
	Minflt   int64
	Majflt   int64
	Nswap    int64
	Inblock  int64
	Oublock  int64
	Msgsnd   int64
	Msgrcv   int64
	Nsignals int64
	Nvcsw    int64
	Nivcsw   int64
}

type Rlimit struct {
	Cur uint64
	Max uint64
}

// { int, short, short } in poll.h
type PollFd struct {

type Rusage struct {
	Utime    Timeval
	Stime    Timeval
	Maxrss   int64
	Ixrss    int64
	Idrss    int64
	Isrss    int64
	Minflt   int64
	Majflt   int64
	Nswap    int64
	Inblock  int64
	Oublock  int64
	Msgsnd   int64
	Msgrcv   int64
	Nsignals int64
	Nvcsw    int64
	Nivcsw   int64
}

type Stat_t struct {
	Dev     uint32
	Pad1    [3]uint32
	Ino     uint64
	Mode    uint32
	Nlink   uint32

type Rusage struct {
	Utime    Timeval
	Stime    Timeval
	Maxrss   int32
	Ixrss    int32
	Idrss    int32
	Isrss    int32
	Minflt   int32
	Majflt   int32
	Nswap    int32
	Inblock  int32
	Oublock  int32
	Msgsnd   int32
	Msgrcv   int32
	Nsignals int32
	Nvcsw    int32
	Nivcsw   int32
}

type Stat_t struct {
	Dev     uint32
	Pad1    [3]int32
	Ino     uint64
	Mode    uint32
	Nlink   uint32
	Uid     uint32

type Rusage struct {
	Utime    Timeval
	Stime    Timeval
	Maxrss   int64
	Ixrss    int64
	Idrss    int64
	Isrss    int64
	Minflt   int64
	Majflt   int64
	Nswap    int64
	Inblock  int64
	Oublock  int64
	Msgsnd   int64
	Msgrcv   int64
	Nsignals int64
	Nvcsw    int64
	Nivcsw   int64
}

type Stat_t struct {
	Dev     uint64
	Ino     uint64
	Nlink   uint64
	Mode    uint32
	Uid     uint32
	Gid     uint32

	MS_SLAVE                                    = 0x80000
	MS_STRICTATIME                              = 0x1000000
	MS_SUBMOUNT                                 = 0x4000000
	MS_SYNC                                     = 0x4
	MS_SYNCHRONOUS                              = 0x10
	MS_UNBINDABLE                               = 0x20000
	MS_VERBOSE                                  = 0x8000