import "unsafe"

type mts struct {
	tv_sec  int64
	tv_nsec int64
}

type mscratch struct {
	v [6]uintptr
}

type mOS struct {
	waitsema uintptr // semaphore for parking on locks
	perrno   *int32  // pointer to tls errno
	// these are here because they are too large to be on the stack
	// of low-level NOSPLIT functions.
	//LibCall       libcall;
	ts      mts
	scratch mscratch
}

type libcFunc uintptr

//

#include "go_asm.h"
#include "go_tls.h"
#include "textflag.h"

// This is needed by asm_amd64.s
TEXT runtime·settls(SB),NOSPLIT,$8
	RET

// void libc_miniterrno(void *(*___errno)(void));
//
// Set the TLS errno pointer in M.
//
// Called using runtime·asmcgocall from os_solaris.c:/minit.
// NOT USING GO CALLING CONVENTION.
TEXT runtime·miniterrno(SB),NOSPLIT,$0
	// asmcgocall will put first argument into DI.

	libc_port_create,
	libc_port_associate,
	libc_port_dissociate,
	libc_port_getn,
	libc_port_alert libcFunc
	netpollWakeSig atomic.Uint32 // used to avoid duplicate calls of netpollBreak
)

func errno() int32 {
	return *getg().m.perrno
}

func port_create() int32 {
	return int32(sysvicall0(&libc_port_create))
}

func port_associate(port, source int32, object uintptr, events uint32, user uintptr) int32 {

	// newosproc0.
	if gp != nil {
		r, errno := syscall3(&libc_write, uintptr(fd), uintptr(p), uintptr(n))
		if int32(r) < 0 {
			return -int32(errno)
		}
		return int32(r)
	}
	// Note that in this case we can't return a valid errno value.
	return write2(fd, uintptr(p), n)
}

//go:nosplit
func read(fd int32, p unsafe.Pointer, n int32) int32 {
	r, errno := syscall3(&libc_read, uintptr(fd), uintptr(p), uintptr(n))

	EBFONT          = syscall.Errno(0x3b)
	ECANCELED       = syscall.Errno(0x7d)
	ECHRNG          = syscall.Errno(0x2c)
	ECOMM           = syscall.Errno(0x46)
	ECONNABORTED    = syscall.Errno(0x67)
	ECONNREFUSED    = syscall.Errno(0x6f)
	ECONNRESET      = syscall.Errno(0x68)
	EDEADLK         = syscall.Errno(0x23)
	EDEADLOCK       = syscall.Errno(0x23)
	EDESTADDRREQ    = syscall.Errno(0x59)

	EBADRQC         = Errno(0x38)
	EBADSLT         = Errno(0x39)
	EBFONT          = Errno(0x3b)
	EBUSY           = Errno(0x10)
	ECANCELED       = Errno(0x7d)
	ECHILD          = Errno(0xa)
	ECHRNG          = Errno(0x2c)
	ECOMM           = Errno(0x46)
	ECONNABORTED    = Errno(0x67)
	ECONNREFUSED    = Errno(0x6f)
	ECONNRESET      = Errno(0x68)
	EDEADLK         = Errno(0x23)
	EDEADLOCK       = Errno(0x23)

	EBADRQC         = Errno(0x38)
	EBADSLT         = Errno(0x39)
	EBFONT          = Errno(0x3b)
	EBUSY           = Errno(0x10)
	ECANCELED       = Errno(0x7d)
	ECHILD          = Errno(0xa)
	ECHRNG          = Errno(0x2c)
	ECOMM           = Errno(0x46)
	ECONNABORTED    = Errno(0x67)
	ECONNREFUSED    = Errno(0x6f)
	ECONNRESET      = Errno(0x68)
	EDEADLK         = Errno(0x23)
	EDEADLOCK       = Errno(0x23)

	EBADRQC         = Errno(0x36)
	EBADSLT         = Errno(0x37)
	EBFONT          = Errno(0x3b)
	EBUSY           = Errno(0x10)
	ECANCELED       = Errno(0x9e)
	ECHILD          = Errno(0xa)
	ECHRNG          = Errno(0x25)
	ECOMM           = Errno(0x46)
	ECONNABORTED    = Errno(0x82)
	ECONNREFUSED    = Errno(0x92)
	ECONNRESET      = Errno(0x83)
	EDEADLK         = Errno(0x2d)
	EDEADLOCK       = Errno(0x38)

	EBADRQC         = Errno(0x36)
	EBADSLT         = Errno(0x37)
	EBFONT          = Errno(0x3b)
	EBUSY           = Errno(0x10)
	ECANCELED       = Errno(0x9e)
	ECHILD          = Errno(0xa)
	ECHRNG          = Errno(0x25)
	ECOMM           = Errno(0x46)
	ECONNABORTED    = Errno(0x82)
	ECONNREFUSED    = Errno(0x92)
	ECONNRESET      = Errno(0x83)
	EDEADLK         = Errno(0x2d)
	EDEADLOCK       = Errno(0x38)

	EBADRQC         = Errno(0x36)
	EBADSLT         = Errno(0x37)
	EBFONT          = Errno(0x3b)
	EBUSY           = Errno(0x10)
	ECANCELED       = Errno(0x9e)
	ECHILD          = Errno(0xa)
	ECHRNG          = Errno(0x25)
	ECOMM           = Errno(0x46)
	ECONNABORTED    = Errno(0x82)
	ECONNREFUSED    = Errno(0x92)
	ECONNRESET      = Errno(0x83)
	EDEADLK         = Errno(0x2d)
	EDEADLOCK       = Errno(0x38)