update modernc.org/sqlite to v1.37.0-concurrrency-workaround (#3958)

1 files changed, 0 insertions, 91 deletions

diff --git a/vendor/modernc.org/memory/mmap_illumos_amd64.go b/vendor/modernc.org/memory/mmap_illumos_amd64.go
deleted file mode 100644
index 1006fe812..000000000
--- a/vendor/modernc.org/memory/mmap_illumos_amd64.go
+++ /dev/null
@@ -1,91 +0,0 @@
-// Copyright 2011 Evan Shaw. All rights reserved.
-// Use of this source code is governed by a BSD-style
-// license that can be found in the LICENSE-MMAP-GO file.
-
-// Modifications (c) 2022 The Memory Authors.
-
-package memory // import "modernc.org/memory"
-
-import (
-	"os"
-	"syscall"
-	_ "unsafe"
-)
-
-const (
-	pageSizeLog = 20
-
-	// $ find /usr/include -name syscall.h
-	// /usr/include/sys/syscall.h
-	// $ grep -ni munmap /usr/include/sys/syscall.h
-	// 293:#define     SYS_munmap      117
-	// $ grep -ni mmap /usr/include/sys/syscall.h
-	// 291:#define	SYS_mmap	115
-	// 303:#define	SYS_mmapobj	127
-	// 442:#define	SYS_mmap64		214
-	// $
-	// $ uname -a
-	// SunOS omnios64 5.11 omnios-r151044-d3b715b9d1 i86pc i386 i86pc
-	// $
-	sys_MUNMAP = 117
-	sys_MMAP   = 214
-)
-
-var (
-	osPageMask = osPageSize - 1
-	osPageSize = os.Getpagesize()
-)
-
-//go:linkname mmapSyscall syscall.mmap
-func mmapSyscall(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
-
-func unmap(addr uintptr, size int) error {
-	_, _, errno := syscall.Syscall(sys_MUNMAP, addr, uintptr(size), 0)
-	if errno != 0 {
-		return errno
-	}
-
-	return nil
-}
-
-// pageSize aligned.
-func mmap(size int) (uintptr, int, error) {
-	size = roundup(size, osPageSize)
-	// The actual mmap syscall varies by architecture. mmapSyscall provides same
-	// functionality as the unexported funtion syscall.mmap and is declared in
-	// mmap_*_*.go and mmap_fallback.go. To add support for a new architecture,
-	// check function mmap in src/syscall/syscall_*_*.go or
-	// src/syscall/zsyscall_*_*.go in Go's source code.
-	p, err := mmapSyscall(0, uintptr(size+pageSize), syscall.PROT_READ|syscall.PROT_WRITE, syscall.MAP_PRIVATE|syscall.MAP_ANON, -1, 0)
-	if err != nil {
-		return 0, 0, err
-	}
-
-	n := size + pageSize
-	if p&uintptr(osPageMask) != 0 {
-		panic("internal error")
-	}
-
-	mod := int(p) & pageMask
-	if mod != 0 {
-		m := pageSize - mod
-		if err := unmap(p, m); err != nil {
-			return 0, 0, err
-		}
-
-		n -= m
-		p += uintptr(m)
-	}
-
-	if p&uintptr(pageMask) != 0 {
-		panic("internal error")
-	}
-
-	if n-size != 0 {
-		if err := unmap(p+uintptr(size), n-size); err != nil {
-			return 0, 0, err
-		}
-	}
-
-	return p, size, nil
-}