|  | // created by cgo -cdefs and then converted to Go | 
|  | // cgo -cdefs defs_linux.go defs1_linux.go | 
|  |  | 
|  | package runtime | 
|  |  | 
|  | import "unsafe" | 
|  |  | 
|  | const ( | 
|  | _EINTR  = 0x4 | 
|  | _EAGAIN = 0xb | 
|  | _ENOMEM = 0xc | 
|  |  | 
|  | _PROT_NONE  = 0x0 | 
|  | _PROT_READ  = 0x1 | 
|  | _PROT_WRITE = 0x2 | 
|  | _PROT_EXEC  = 0x4 | 
|  |  | 
|  | _MAP_ANON    = 0x20 | 
|  | _MAP_PRIVATE = 0x2 | 
|  | _MAP_FIXED   = 0x10 | 
|  |  | 
|  | _MADV_DONTNEED   = 0x4 | 
|  | _MADV_FREE       = 0x8 | 
|  | _MADV_HUGEPAGE   = 0xe | 
|  | _MADV_NOHUGEPAGE = 0xf | 
|  | _MADV_COLLAPSE   = 0x19 | 
|  |  | 
|  | _SA_RESTART  = 0x10000000 | 
|  | _SA_ONSTACK  = 0x8000000 | 
|  | _SA_RESTORER = 0x4000000 | 
|  | _SA_SIGINFO  = 0x4 | 
|  |  | 
|  | _SI_KERNEL = 0x80 | 
|  | _SI_TIMER  = -0x2 | 
|  |  | 
|  | _SIGHUP    = 0x1 | 
|  | _SIGINT    = 0x2 | 
|  | _SIGQUIT   = 0x3 | 
|  | _SIGILL    = 0x4 | 
|  | _SIGTRAP   = 0x5 | 
|  | _SIGABRT   = 0x6 | 
|  | _SIGBUS    = 0x7 | 
|  | _SIGFPE    = 0x8 | 
|  | _SIGKILL   = 0x9 | 
|  | _SIGUSR1   = 0xa | 
|  | _SIGSEGV   = 0xb | 
|  | _SIGUSR2   = 0xc | 
|  | _SIGPIPE   = 0xd | 
|  | _SIGALRM   = 0xe | 
|  | _SIGSTKFLT = 0x10 | 
|  | _SIGCHLD   = 0x11 | 
|  | _SIGCONT   = 0x12 | 
|  | _SIGSTOP   = 0x13 | 
|  | _SIGTSTP   = 0x14 | 
|  | _SIGTTIN   = 0x15 | 
|  | _SIGTTOU   = 0x16 | 
|  | _SIGURG    = 0x17 | 
|  | _SIGXCPU   = 0x18 | 
|  | _SIGXFSZ   = 0x19 | 
|  | _SIGVTALRM = 0x1a | 
|  | _SIGPROF   = 0x1b | 
|  | _SIGWINCH  = 0x1c | 
|  | _SIGIO     = 0x1d | 
|  | _SIGPWR    = 0x1e | 
|  | _SIGSYS    = 0x1f | 
|  |  | 
|  | _SIGRTMIN = 0x20 | 
|  |  | 
|  | _FPE_INTDIV = 0x1 | 
|  | _FPE_INTOVF = 0x2 | 
|  | _FPE_FLTDIV = 0x3 | 
|  | _FPE_FLTOVF = 0x4 | 
|  | _FPE_FLTUND = 0x5 | 
|  | _FPE_FLTRES = 0x6 | 
|  | _FPE_FLTINV = 0x7 | 
|  | _FPE_FLTSUB = 0x8 | 
|  |  | 
|  | _BUS_ADRALN = 0x1 | 
|  | _BUS_ADRERR = 0x2 | 
|  | _BUS_OBJERR = 0x3 | 
|  |  | 
|  | _SEGV_MAPERR = 0x1 | 
|  | _SEGV_ACCERR = 0x2 | 
|  |  | 
|  | _ITIMER_REAL    = 0x0 | 
|  | _ITIMER_VIRTUAL = 0x1 | 
|  | _ITIMER_PROF    = 0x2 | 
|  |  | 
|  | _CLOCK_THREAD_CPUTIME_ID = 0x3 | 
|  |  | 
|  | _SIGEV_THREAD_ID = 0x4 | 
|  |  | 
|  | _AF_UNIX    = 0x1 | 
|  | _SOCK_DGRAM = 0x2 | 
|  | ) | 
|  |  | 
|  | type timespec struct { | 
|  | tv_sec  int64 | 
|  | tv_nsec int64 | 
|  | } | 
|  |  | 
|  | //go:nosplit | 
|  | func (ts *timespec) setNsec(ns int64) { | 
|  | ts.tv_sec = ns / 1e9 | 
|  | ts.tv_nsec = ns % 1e9 | 
|  | } | 
|  |  | 
|  | type timeval struct { | 
|  | tv_sec  int64 | 
|  | tv_usec int64 | 
|  | } | 
|  |  | 
|  | func (tv *timeval) set_usec(x int32) { | 
|  | tv.tv_usec = int64(x) | 
|  | } | 
|  |  | 
|  | type sigactiont struct { | 
|  | sa_handler  uintptr | 
|  | sa_flags    uint64 | 
|  | sa_restorer uintptr | 
|  | sa_mask     uint64 | 
|  | } | 
|  |  | 
|  | type siginfoFields struct { | 
|  | si_signo int32 | 
|  | si_errno int32 | 
|  | si_code  int32 | 
|  | // below here is a union; si_addr is the only field we use | 
|  | si_addr uint64 | 
|  | } | 
|  |  | 
|  | type siginfo struct { | 
|  | siginfoFields | 
|  |  | 
|  | // Pad struct to the max size in the kernel. | 
|  | _ [_si_max_size - unsafe.Sizeof(siginfoFields{})]byte | 
|  | } | 
|  |  | 
|  | type itimerspec struct { | 
|  | it_interval timespec | 
|  | it_value    timespec | 
|  | } | 
|  |  | 
|  | type itimerval struct { | 
|  | it_interval timeval | 
|  | it_value    timeval | 
|  | } | 
|  |  | 
|  | type sigeventFields struct { | 
|  | value  uintptr | 
|  | signo  int32 | 
|  | notify int32 | 
|  | // below here is a union; sigev_notify_thread_id is the only field we use | 
|  | sigev_notify_thread_id int32 | 
|  | } | 
|  |  | 
|  | type sigevent struct { | 
|  | sigeventFields | 
|  |  | 
|  | // Pad struct to the max size in the kernel. | 
|  | _ [_sigev_max_size - unsafe.Sizeof(sigeventFields{})]byte | 
|  | } | 
|  |  | 
|  | // created by cgo -cdefs and then converted to Go | 
|  | // cgo -cdefs defs_linux.go defs1_linux.go | 
|  |  | 
|  | const ( | 
|  | _O_RDONLY   = 0x0 | 
|  | _O_WRONLY   = 0x1 | 
|  | _O_CREAT    = 0x40 | 
|  | _O_TRUNC    = 0x200 | 
|  | _O_NONBLOCK = 0x800 | 
|  | _O_CLOEXEC  = 0x80000 | 
|  | ) | 
|  |  | 
|  | type usigset struct { | 
|  | __val [16]uint64 | 
|  | } | 
|  |  | 
|  | type fpxreg struct { | 
|  | significand [4]uint16 | 
|  | exponent    uint16 | 
|  | padding     [3]uint16 | 
|  | } | 
|  |  | 
|  | type xmmreg struct { | 
|  | element [4]uint32 | 
|  | } | 
|  |  | 
|  | type fpstate struct { | 
|  | cwd       uint16 | 
|  | swd       uint16 | 
|  | ftw       uint16 | 
|  | fop       uint16 | 
|  | rip       uint64 | 
|  | rdp       uint64 | 
|  | mxcsr     uint32 | 
|  | mxcr_mask uint32 | 
|  | _st       [8]fpxreg | 
|  | _xmm      [16]xmmreg | 
|  | padding   [24]uint32 | 
|  | } | 
|  |  | 
|  | type fpxreg1 struct { | 
|  | significand [4]uint16 | 
|  | exponent    uint16 | 
|  | padding     [3]uint16 | 
|  | } | 
|  |  | 
|  | type xmmreg1 struct { | 
|  | element [4]uint32 | 
|  | } | 
|  |  | 
|  | type fpstate1 struct { | 
|  | cwd       uint16 | 
|  | swd       uint16 | 
|  | ftw       uint16 | 
|  | fop       uint16 | 
|  | rip       uint64 | 
|  | rdp       uint64 | 
|  | mxcsr     uint32 | 
|  | mxcr_mask uint32 | 
|  | _st       [8]fpxreg1 | 
|  | _xmm      [16]xmmreg1 | 
|  | padding   [24]uint32 | 
|  | } | 
|  |  | 
|  | type fpreg1 struct { | 
|  | significand [4]uint16 | 
|  | exponent    uint16 | 
|  | } | 
|  |  | 
|  | type stackt struct { | 
|  | ss_sp     *byte | 
|  | ss_flags  int32 | 
|  | pad_cgo_0 [4]byte | 
|  | ss_size   uintptr | 
|  | } | 
|  |  | 
|  | type mcontext struct { | 
|  | gregs       [23]uint64 | 
|  | fpregs      *fpstate | 
|  | __reserved1 [8]uint64 | 
|  | } | 
|  |  | 
|  | type ucontext struct { | 
|  | uc_flags     uint64 | 
|  | uc_link      *ucontext | 
|  | uc_stack     stackt | 
|  | uc_mcontext  mcontext | 
|  | uc_sigmask   usigset | 
|  | __fpregs_mem fpstate | 
|  | } | 
|  |  | 
|  | type sigcontext struct { | 
|  | r8          uint64 | 
|  | r9          uint64 | 
|  | r10         uint64 | 
|  | r11         uint64 | 
|  | r12         uint64 | 
|  | r13         uint64 | 
|  | r14         uint64 | 
|  | r15         uint64 | 
|  | rdi         uint64 | 
|  | rsi         uint64 | 
|  | rbp         uint64 | 
|  | rbx         uint64 | 
|  | rdx         uint64 | 
|  | rax         uint64 | 
|  | rcx         uint64 | 
|  | rsp         uint64 | 
|  | rip         uint64 | 
|  | eflags      uint64 | 
|  | cs          uint16 | 
|  | gs          uint16 | 
|  | fs          uint16 | 
|  | __pad0      uint16 | 
|  | err         uint64 | 
|  | trapno      uint64 | 
|  | oldmask     uint64 | 
|  | cr2         uint64 | 
|  | fpstate     *fpstate1 | 
|  | __reserved1 [8]uint64 | 
|  | } | 
|  |  | 
|  | type sockaddr_un struct { | 
|  | family uint16 | 
|  | path   [108]byte | 
|  | } |