|  | package syscall | 
|  |  | 
|  | // Plan 9 Constants | 
|  |  | 
|  | // Open modes | 
|  | const ( | 
|  | O_RDONLY  = 0 | 
|  | O_WRONLY  = 1 | 
|  | O_RDWR    = 2 | 
|  | O_TRUNC   = 16 | 
|  | O_CLOEXEC = 32 | 
|  | O_EXCL    = 0x1000 | 
|  | ) | 
|  |  | 
|  | // Bind flags | 
|  | const ( | 
|  | MORDER  = 0x0003 // mask for bits defining order of mounting | 
|  | MREPL   = 0x0000 // mount replaces object | 
|  | MBEFORE = 0x0001 // mount goes before others in union directory | 
|  | MAFTER  = 0x0002 // mount goes after others in union directory | 
|  | MCREATE = 0x0004 // permit creation in mounted directory | 
|  | MCACHE  = 0x0010 // cache some data | 
|  | MMASK   = 0x0017 // all bits on | 
|  | ) | 
|  |  | 
|  | // Rfork flags | 
|  | 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 | 
|  | ) | 
|  |  | 
|  | // Qid.Type bits | 
|  | const ( | 
|  | QTDIR    = 0x80 | 
|  | QTAPPEND = 0x40 | 
|  | QTEXCL   = 0x20 | 
|  | QTMOUNT  = 0x10 | 
|  | QTAUTH   = 0x08 | 
|  | QTTMP    = 0x04 | 
|  | QTFILE   = 0x00 | 
|  | ) | 
|  |  | 
|  | // Dir.Mode bits | 
|  | const ( | 
|  | DMDIR    = 0x80000000 | 
|  | DMAPPEND = 0x40000000 | 
|  | DMEXCL   = 0x20000000 | 
|  | DMMOUNT  = 0x10000000 | 
|  | DMAUTH   = 0x08000000 | 
|  | DMTMP    = 0x04000000 | 
|  | DMREAD   = 0x4 | 
|  | DMWRITE  = 0x2 | 
|  | DMEXEC   = 0x1 | 
|  | ) | 
|  |  | 
|  | const ( | 
|  | STATMAX    = 65535 | 
|  | ERRMAX     = 128 | 
|  | STATFIXLEN = 49 | 
|  | ) |