1 // Copyright 2010 The Go Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style 3 // license that can be found in the LICENSE file. 4 5 // Plan 9-specific system calls 6 7 package runtime 8 9 // open 10 const ( 11 _OREAD = 0 12 _OWRITE = 1 13 _ORDWR = 2 14 _OEXEC = 3 15 _OTRUNC = 16 16 _OCEXEC = 32 17 _ORCLOSE = 64 18 _OEXCL = 0x1000 19 ) 20 21 // rfork 22 const ( 23 _RFNAMEG = 1 << 0 24 _RFENVG = 1 << 1 25 _RFFDG = 1 << 2 26 _RFNOTEG = 1 << 3 27 _RFPROC = 1 << 4 28 _RFMEM = 1 << 5 29 _RFNOWAIT = 1 << 6 30 _RFCNAMEG = 1 << 10 31 _RFCENVG = 1 << 11 32 _RFCFDG = 1 << 12 33 _RFREND = 1 << 13 34 _RFNOMNT = 1 << 14 35 ) 36 37 // notify 38 const ( 39 _NCONT = 0 40 _NDFLT = 1 41 ) 42 43 type uinptr _Plink 44 45 type tos struct { 46 prof struct { // Per process profiling 47 pp *_Plink // known to be 0(ptr) 48 next *_Plink // known to be 4(ptr) 49 last *_Plink 50 first *_Plink 51 pid uint32 52 what uint32 53 } 54 cyclefreq uint64 // cycle clock frequency if there is one, 0 otherwise 55 kcycles int64 // cycles spent in kernel 56 pcycles int64 // cycles spent in process (kernel + user) 57 pid uint32 // might as well put the pid here 58 clock uint32 59 // top of stack is here 60 } 61 62 const ( 63 _NSIG = 14 // number of signals in sigtable array 64 _ERRMAX = 128 // max length of note string 65 66 // Notes in runtimesigtab that are handled by runtimesigpanic. 67 _SIGRFAULT = 2 68 _SIGWFAULT = 3 69 _SIGINTDIV = 4 70 _SIGFLOAT = 5 71 _SIGTRAP = 6 72 _SIGPROF = 0 // dummy value defined for badsignal 73 _SIGQUIT = 0 // dummy value defined for sighandler 74 ) 75
