__data   [240]byte
}

type sigactiont struct {
	sa_flags  int32
	pad_cgo_0 [4]byte
	_funcptr  [8]byte
	sa_mask   sigset
}

type fpregset struct {
	fp_reg_set [528]byte
}

type mcontext struct {
	gregs  [28]int64
	fpregs fpregset
}

type ucontext struct {
	uc_flags    uint64
	uc_link     *ucontext
	uc_sigmask  sigset
	uc_stack    stackt
	pad_cgo_0   [8]byte

	O_RDONLY    = C.O_RDONLY
	O_CLOEXEC   = C.O_CLOEXEC
	SA_RESTORER = 0 // unused
)

type Usigset C.__sigset_t

// types used in sigcontext
type Ptregs C.struct_pt_regs
type Gregset C.elf_gregset_t
type FPregset C.elf_fpregset_t
type Vreg C.elf_vrreg_t

type StackT C.stack_t

// PPC64 uses sigcontext in place of mcontext in ucontext.

	PORT_ALERT_UPDATE = C.PORT_ALERT_UPDATE
)

type SemT C.sem_t

type Sigset C.sigset_t
type StackT C.stack_t

type Siginfo C.siginfo_t
type Sigaction C.struct_sigaction

type Fpregset C.fpregset_t
type Mcontext C.mcontext_t
type Ucontext C.ucontext_t

type Timespec C.struct_timespec
type Timeval C.struct_timeval
type Itimerval C.struct_itimerval

type PortEvent C.port_event_t