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// Copyright 2014 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.
package runtime
import "unsafe"
// Constants
const (
_EINTR = 0x4
_ENOMEM = 0xc
_EAGAIN = 0xb
_ENOSYS = 0x26
_PROT_NONE = 0
_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
_SA_RESTART = 0x10000000
_SA_ONSTACK = 0x8000000
_SA_RESTORER = 0 // unused on ARM
_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 = 0
_ITIMER_PROF = 0x2
_ITIMER_VIRTUAL = 0x1
_O_RDONLY = 0
_O_NONBLOCK = 0x800
_O_CLOEXEC = 0x80000
_CLOCK_THREAD_CPUTIME_ID = 0x3
_SIGEV_THREAD_ID = 0x4
_EPOLLIN = 0x1
_EPOLLOUT = 0x4
_EPOLLERR = 0x8
_EPOLLHUP = 0x10
_EPOLLRDHUP = 0x2000
_EPOLLET = 0x80000000
_EPOLL_CLOEXEC = 0x80000
_EPOLL_CTL_ADD = 0x1
_EPOLL_CTL_DEL = 0x2
_EPOLL_CTL_MOD = 0x3
_AF_UNIX = 0x1
_SOCK_DGRAM = 0x2
)
type timespec struct {
tv_sec int32
tv_nsec int32
}
//go:nosplit
func (ts *timespec) setNsec(ns int64) {
ts.tv_sec = timediv(ns, 1e9, &ts.tv_nsec)
}
type stackt struct {
ss_sp *byte
ss_flags int32
ss_size uintptr
}
type sigcontext struct {
trap_no uint32
error_code uint32
oldmask uint32
r0 uint32
r1 uint32
r2 uint32
r3 uint32
r4 uint32
r5 uint32
r6 uint32
r7 uint32
r8 uint32
r9 uint32
r10 uint32
fp uint32
ip uint32
sp uint32
lr uint32
pc uint32
cpsr uint32
fault_address uint32
}
type ucontext struct {
uc_flags uint32
uc_link *ucontext
uc_stack stackt
uc_mcontext sigcontext
uc_sigmask uint32
__unused [31]int32
uc_regspace [128]uint32
}
type timeval struct {
tv_sec int32
tv_usec int32
}
func (tv *timeval) set_usec(x int32) {
tv.tv_usec = x
}
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
}
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 uint32
}
type siginfo struct {
siginfoFields
// Pad struct to the max size in the kernel.
_ [_si_max_size - unsafe.Sizeof(siginfoFields{})]byte
}
type sigactiont struct {
sa_handler uintptr
sa_flags uint32
sa_restorer uintptr
sa_mask uint64
}
type epollevent struct {
events uint32
_pad uint32
data [8]byte // to match amd64
}
type sockaddr_un struct {
family uint16
path [108]byte
}
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