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-rw-r--r--src/runtime/os2_plan9.go74
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+// 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 runtimeĀ·sigtab that are handled by runtimeĀ·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
+)