// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build darwin

package ld

import _ "unsafe" // for go:linkname

//go:linkname msync syscall.msync

//go:linkname readdir_r

// used by internal/poll
//go:linkname fdopendir

// used by internal/syscall/unix
//go:linkname unlinkat
//go:linkname openat
//go:linkname fstatat

// used by cmd/link
//go:linkname msync

	// When we mmap the output buffer, it doesn't have a code signature
	// (as we haven't generated one). Invalidate the kernel cache now that
	// we have generated the signature. See issue #42684.
	msync(out.buf, syscall.MS_INVALIDATE)
	// Best effort. Ignore error.

//sys	Fchmod(fd int, mode uint32) (err error)
//sys	Fchown(fd int, uid int, gid int) (err error)
//sys	Flock(fd int, how int) (err error)
//sys	Fpathconf(fd int, name int) (val int, err error)
//sys	Fsync(fd int) (err error)
//  Fsync is not called for os.File.Sync(). Please see internal/poll/fd_fsync_darwin.go
//sys	Ftruncate(fd int, length int64) (err error)
//sys	Getdtablesize() (size int)
//sysnb	Getegid() (egid int)
//sysnb	Geteuid() (uid int)

		err = er
	}
	return
}

// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT

func Msync(b []byte, flags int) (err error) {
	var _p0 *byte
	if len(b) > 0 {
		_p0 = &b[0]
	}
	var _p1 int
	_p1 = len(b)
	r0, er := C.msync(C.uintptr_t(uintptr(unsafe.Pointer(_p0))), C.size_t(_p1), C.int(flags))
	if r0 == -1 && er != nil {
		err = er
	}
	return
}

	SYS_UMASK                    = 60  // { int umask(int newmask); } umask umask_args \
	SYS_CHROOT                   = 61  // { int chroot(char *path); }
	SYS_MSYNC                    = 65  // { int msync(void *addr, size_t len, \
	SYS_VFORK                    = 66  // { int vfork(void); }
	SYS_SBRK                     = 69  // { int sbrk(int incr); }
	SYS_SSTK                     = 70  // { int sstk(int incr); }

	SYS_UMASK                    = 60  // { int umask(int newmask); } umask umask_args \
	SYS_CHROOT                   = 61  // { int chroot(char *path); }
	SYS_MSYNC                    = 65  // { int msync(void *addr, size_t len, \
	SYS_VFORK                    = 66  // { int vfork(void); }
	SYS_SBRK                     = 69  // { int sbrk(int incr); }
	SYS_SSTK                     = 70  // { int sstk(int incr); }

//sys	Madvise(b []byte, behav int) (err error)
//sys	Mlock(b []byte) (err error)
//sys	Mlockall(flags int) (err error)
//sys	Mprotect(b []byte, prot int) (err error)
//sys	Msync(b []byte, flags int) (err error)
//sys	Munlock(b []byte) (err error)

	SYS_UMASK         = 60  // { int umask(int newmask); } umask umask_args int
	SYS_CHROOT        = 61  // { int chroot(char *path); }
	SYS_MSYNC         = 65  // { int msync(void *addr, size_t len, int flags); }
	SYS_VFORK         = 66  // { pid_t vfork(void); }
	SYS_SBRK          = 69  // { int sbrk(int incr); }
	SYS_SSTK          = 70  // { int sstk(int incr); }

int nsendmsg(int, uintptr_t, int);
int munmap(uintptr_t, uintptr_t);
int madvise(uintptr_t, size_t, int);
int mprotect(uintptr_t, size_t, int);
int mlock(uintptr_t, size_t);
int mlockall(int);
int msync(uintptr_t, size_t, int);
int munlock(uintptr_t, size_t);
int munlockall();
int pipe(uintptr_t);
int poll(uintptr_t, int, int);
int gettimeofday(uintptr_t, uintptr_t);
int time(uintptr_t);