// backwards-compatible with older versions of Solaris and
// OpenSolaris-based derivatives.
#define __USE_SUNOS_SOCKETS__          // msghdr
#define __USE_LEGACY_PROTOTYPES__      // iovec
#include <dirent.h>
#include <fcntl.h>
#include <limits.h>
#include <signal.h>
#include <termios.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/param.h>
#include <sys/resource.h>

GOARCH=386 go tool cgo -cdefs defs_freebsd.go >defs_freebsd_386.h
GOARCH=arm go tool cgo -cdefs defs_freebsd.go >defs_freebsd_arm.h
*/

package runtime

/*
#include <sys/types.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/time.h>
#include <signal.h>
#include <errno.h>
#include <sys/event.h>
#include <sys/mman.h>
#include <sys/ucontext.h>
#include <sys/umtx.h>
#include <sys/_umtx.h>
#include <sys/rtprio.h>

#define __DARWIN_UNIX03 0
#include <mach/mach_time.h>
#include <sys/types.h>
#include <sys/time.h>
#include <errno.h>
#include <signal.h>
#include <sys/event.h>
#include <sys/mman.h>
#include <pthread.h>
#include <fcntl.h>
*/
import "C"

const (
	EINTR     = C.EINTR
	EFAULT    = C.EFAULT
	EAGAIN    = C.EAGAIN
	ETIMEDOUT = C.ETIMEDOUT

	PROT_NONE  = C.PROT_NONE
	PROT_READ  = C.PROT_READ
	PROT_WRITE = C.PROT_WRITE

*/

// +godefs map struct_in_addr [4]byte /* in_addr */
// +godefs map struct_in6_addr [16]byte /* in6_addr */

package syscall

/*
#define KERNEL
#include <dirent.h>
#include <fcntl.h>
#include <signal.h>
#include <termios.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/event.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/param.h>
#include <sys/ptrace.h>

*/

// +godefs map struct_in_addr [4]byte /* in_addr */
// +godefs map struct_in6_addr [16]byte /* in6_addr */

package syscall

/*
#define KERNEL
#include <dirent.h>
#include <fcntl.h>
#include <signal.h>
#include <termios.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/event.h>
#include <sys/mman.h>
#include <sys/mount.h>

		_ int = syscall.PRIO_PROCESS
		_ int = syscall.PRIO_PGRP
	)

	// termios constants
	const (
		_ int = syscall.TCIFLUSH
		_ int = syscall.TCIOFLUSH
		_ int = syscall.TCOFLUSH
	)

	// fcntl file locking structure and constants
	var (
		_ = syscall.Flock_t{
			Type:   int16(0),
			Whence: int16(0),
			Start:  int64(0),
			Len:    int64(0),
			Pid:    int32(0),
		}
	)
	const (

	MOVQ	ts+40(FP), R9
	MOVL	$363, AX
	SYSCALL
	JCC	2(PC)
	NEGQ	AX
	MOVL	AX, ret+48(FP)
	RET

// func fcntl(fd, cmd, arg int32) (ret int32, errno int32)
TEXT runtime·fcntl(SB),NOSPLIT,$0
	MOVL	fd+0(FP), DI	// fd
	MOVL	cmd+4(FP), SI	// cmd
	MOVL	arg+8(FP), DX	// arg
	MOVL	$92, AX		// fcntl
	SYSCALL
	JCC	noerr
	MOVL	$-1, ret+16(FP)
	MOVL	AX, errno+20(FP)
	RET
noerr:
	MOVL	AX, ret+16(FP)

var ioSync int64

func CloseOnExec(fd int) { fcntl(fd, F_SETFD, FD_CLOEXEC) }

func SetNonblock(fd int, nonblocking bool) (err error) {
	flag, err := fcntl(fd, F_GETFL, 0)
	if err != nil {
		return err
	}
	if (flag&O_NONBLOCK != 0) == nonblocking {
		return nil
	}
	if nonblocking {
		flag |= O_NONBLOCK
	} else {
		flag &= ^O_NONBLOCK
	}
	_, err = fcntl(fd, F_SETFL, flag)
	return err
}

*/

// +godefs map struct_in_addr [4]byte /* in_addr */
// +godefs map struct_in6_addr [16]byte /* in6_addr */

package syscall

/*
#define	_WANT_FREEBSD11_KEVENT	1

#include <dirent.h>
#include <fcntl.h>
#include <signal.h>
#include <termios.h>
#include <stdio.h>
#include <unistd.h>
#include <sys/event.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/param.h>
#include <sys/ptrace.h>

//go:cgo_import_dynamic libc_chroot chroot "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_dup2 dup2 "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_execve execve "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_fcntl fcntl "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_fork fork "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_ioctl ioctl "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_setgid setgid "libc.a/shr_64.o"