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Source file src/runtime/os2_plan9.go

Documentation: runtime

  // Copyright 2010 The Go Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style
  // license that can be found in the LICENSE file.
  
  // Plan 9-specific system calls
  
  package runtime
  
  // open
  const (
  	_OREAD   = 0
  	_OWRITE  = 1
  	_ORDWR   = 2
  	_OEXEC   = 3
  	_OTRUNC  = 16
  	_OCEXEC  = 32
  	_ORCLOSE = 64
  	_OEXCL   = 0x1000
  )
  
  // rfork
  const (
  	_RFNAMEG  = 1 << 0
  	_RFENVG   = 1 << 1
  	_RFFDG    = 1 << 2
  	_RFNOTEG  = 1 << 3
  	_RFPROC   = 1 << 4
  	_RFMEM    = 1 << 5
  	_RFNOWAIT = 1 << 6
  	_RFCNAMEG = 1 << 10
  	_RFCENVG  = 1 << 11
  	_RFCFDG   = 1 << 12
  	_RFREND   = 1 << 13
  	_RFNOMNT  = 1 << 14
  )
  
  // notify
  const (
  	_NCONT = 0
  	_NDFLT = 1
  )
  
  type uinptr _Plink
  
  type tos struct {
  	prof struct { // Per process profiling
  		pp    *_Plink // known to be 0(ptr)
  		next  *_Plink // known to be 4(ptr)
  		last  *_Plink
  		first *_Plink
  		pid   uint32
  		what  uint32
  	}
  	cyclefreq uint64 // cycle clock frequency if there is one, 0 otherwise
  	kcycles   int64  // cycles spent in kernel
  	pcycles   int64  // cycles spent in process (kernel + user)
  	pid       uint32 // might as well put the pid here
  	clock     uint32
  	// top of stack is here
  }
  
  const (
  	_NSIG   = 14  // number of signals in sigtable array
  	_ERRMAX = 128 // max length of note string
  
  	// Notes in runtime·sigtab that are handled by runtime·sigpanic.
  	_SIGRFAULT = 2
  	_SIGWFAULT = 3
  	_SIGINTDIV = 4
  	_SIGFLOAT  = 5
  	_SIGTRAP   = 6
  	_SIGPROF   = 0 // dummy value defined for badsignal
  	_SIGQUIT   = 0 // dummy value defined for sighandler
  )
  

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