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Current Path: /opt/golang/1.22.0/src/syscall

📁 ..
📄 asan.go(410 B)
📄 asan0.go(342 B)
📄 asm9_unix2_amd64.s(1.19 KB)
📄 asm_aix_ppc64.s(540 B)
📄 asm_darwin_amd64.s(2.93 KB)
📄 asm_darwin_arm64.s(2.83 KB)
📄 asm_freebsd_arm.s(2.96 KB)
📄 asm_freebsd_arm64.s(2.79 KB)
📄 asm_freebsd_riscv64.s(2.76 KB)
📄 asm_linux_386.s(3.08 KB)
📄 asm_linux_amd64.s(1.33 KB)
📄 asm_linux_arm.s(1.77 KB)
📄 asm_linux_arm64.s(916 B)
📄 asm_linux_loong64.s(947 B)
📄 asm_linux_mips64x.s(985 B)
📄 asm_linux_mipsx.s(1.75 KB)
📄 asm_linux_ppc64x.s(913 B)
📄 asm_linux_riscv64.s(861 B)
📄 asm_linux_s390x.s(2.15 KB)
📄 asm_netbsd_arm.s(2.85 KB)
📄 asm_netbsd_arm64.s(2.88 KB)
📄 asm_openbsd_386.s(1.04 KB)
📄 asm_openbsd_amd64.s(1.04 KB)
📄 asm_openbsd_arm.s(1.04 KB)
📄 asm_openbsd_arm64.s(1.04 KB)
📄 asm_openbsd_mips64.s(2.85 KB)
📄 asm_openbsd_ppc64.s(1.04 KB)
📄 asm_openbsd_riscv64.s(1.04 KB)
📄 asm_plan9_386.s(3.14 KB)
📄 asm_plan9_amd64.s(3.36 KB)
📄 asm_plan9_arm.s(3.25 KB)
📄 asm_solaris_amd64.s(1.8 KB)
📄 asm_unix_386.s(2.74 KB)
📄 asm_unix_amd64.s(2.15 KB)
📄 bpf_bsd.go(4.03 KB)
📄 const_plan9.go(1.36 KB)
📄 creds_test.go(3.37 KB)
📄 dir_plan9.go(5.62 KB)
📄 dirent.go(3.09 KB)
📄 dirent_test.go(3.43 KB)
📄 dll_windows.go(7.63 KB)
📄 endian_big.go(249 B)
📄 endian_little.go(309 B)
📄 env_unix.go(2.73 KB)
📄 env_windows.go(1.96 KB)
📄 errors_plan9.go(1.61 KB)
📄 exec_aix_test.go(823 B)
📄 exec_bsd.go(7.95 KB)
📄 exec_freebsd.go(8.43 KB)
📄 exec_freebsd_test.go(2.41 KB)
📄 exec_libc.go(8.17 KB)
📄 exec_libc2.go(8.19 KB)
📄 exec_linux.go(22.81 KB)
📄 exec_linux_test.go(20.37 KB)
📄 exec_pdeathsig_test.go(4.49 KB)
📄 exec_plan9.go(13.25 KB)
📄 exec_solaris_test.go(815 B)
📄 exec_unix.go(8.63 KB)
📄 exec_unix_test.go(8.28 KB)
📄 exec_windows.go(10.3 KB)
📄 exec_windows_test.go(3.11 KB)
📄 export_darwin_test.go(348 B)
📄 export_linux_test.go(296 B)
📄 export_rlimit_test.go(262 B)
📄 export_unix_test.go(391 B)
📄 export_wasip1_test.go(267 B)
📄 export_windows_test.go(500 B)
📄 flock_aix.go(564 B)
📄 flock_bsd.go(469 B)
📄 flock_linux.go(641 B)
📄 flock_linux_32bit.go(511 B)
📄 forkpipe.go(604 B)
📄 forkpipe2.go(2.6 KB)
📄 fs_js.go(10.84 KB)
📄 fs_wasip1.go(24.07 KB)
📄 fs_wasip1_test.go(1.98 KB)
📄 getdirentries_test.go(2.07 KB)
📁 js
📄 lsf_linux.go(2.12 KB)
📄 mkall.sh(14.62 KB)
📄 mkasm.go(1.88 KB)
📄 mkerrors.sh(10.71 KB)
📄 mkpost.go(2.28 KB)
📄 mksyscall.pl(10.19 KB)
📄 mksyscall_libc.pl(8.02 KB)
📄 mksyscall_windows.go(1.99 KB)
📄 mksysctl_openbsd.pl(5.04 KB)
📄 mksysnum_dragonfly.pl(866 B)
📄 mksysnum_freebsd.pl(1.35 KB)
📄 mksysnum_linux.pl(1.26 KB)
📄 mksysnum_netbsd.pl(1.01 KB)
📄 mksysnum_openbsd.pl(872 B)
📄 mksysnum_plan9.sh(459 B)
📄 mmap_unix_test.go(500 B)
📄 msan.go(410 B)
📄 msan0.go(342 B)
📄 net.go(1.19 KB)
📄 net_fake.go(883 B)
📄 net_js.go(1.38 KB)
📄 net_wasip1.go(1.82 KB)
📄 netlink_linux.go(4.77 KB)
📄 os_wasip1.go(252 B)
📄 pwd_plan9.go(2.27 KB)
📄 rlimit.go(1.59 KB)
📄 rlimit_darwin.go(593 B)
📄 rlimit_stub.go(338 B)
📄 rlimit_test.go(953 B)
📄 route_bsd.go(9.1 KB)
📄 route_darwin.go(2.01 KB)
📄 route_dragonfly.go(2.61 KB)
📄 route_freebsd.go(2.67 KB)
📄 route_freebsd_32bit.go(1.14 KB)
📄 route_freebsd_64bit.go(762 B)
📄 route_netbsd.go(1.43 KB)
📄 route_openbsd.go(1.46 KB)
📄 security_windows.go(10.01 KB)
📄 setuidgid_32_linux.go(435 B)
📄 setuidgid_linux.go(421 B)
📄 sockcmsg_dragonfly.go(547 B)
📄 sockcmsg_linux.go(1.12 KB)
📄 sockcmsg_unix.go(2.51 KB)
📄 sockcmsg_unix_other.go(1.08 KB)
📄 syscall.go(3.78 KB)
📄 syscall_aix.go(17.9 KB)
📄 syscall_aix_ppc64.go(405 B)
📄 syscall_bsd.go(13.63 KB)
📄 syscall_bsd_test.go(1.17 KB)
📄 syscall_darwin.go(10.74 KB)
📄 syscall_darwin_amd64.go(1.91 KB)
📄 syscall_darwin_arm64.go(1.82 KB)
📄 syscall_dragonfly.go(8.55 KB)
📄 syscall_dragonfly_amd64.go(1.12 KB)
📄 syscall_freebsd.go(8.72 KB)
📄 syscall_freebsd_386.go(1.17 KB)
📄 syscall_freebsd_amd64.go(1.12 KB)
📄 syscall_freebsd_arm.go(1.16 KB)
📄 syscall_freebsd_arm64.go(1.12 KB)
📄 syscall_freebsd_riscv64.go(1.12 KB)
📄 syscall_freebsd_test.go(424 B)
📄 syscall_illumos.go(613 B)
📄 syscall_js.go(6.71 KB)
📄 syscall_linux.go(35.62 KB)
📄 syscall_linux_386.go(10.34 KB)
📄 syscall_linux_accept.go(961 B)
📄 syscall_linux_accept4.go(592 B)
📄 syscall_linux_amd64.go(4.78 KB)
📄 syscall_linux_arm.go(7.05 KB)
📄 syscall_linux_arm64.go(6.21 KB)
📄 syscall_linux_loong64.go(7.08 KB)
📄 syscall_linux_mips64x.go(5.98 KB)
📄 syscall_linux_mipsx.go(6.85 KB)
📄 syscall_linux_ppc64x.go(4.63 KB)
📄 syscall_linux_riscv64.go(5.75 KB)
📄 syscall_linux_s390x.go(7.9 KB)
📄 syscall_linux_test.go(21.1 KB)
📄 syscall_netbsd.go(7.78 KB)
📄 syscall_netbsd_386.go(716 B)
📄 syscall_netbsd_amd64.go(709 B)
📄 syscall_netbsd_arm.go(716 B)
📄 syscall_netbsd_arm64.go(709 B)
📄 syscall_openbsd.go(6.97 KB)
📄 syscall_openbsd1.go(534 B)
📄 syscall_openbsd_386.go(715 B)
📄 syscall_openbsd_amd64.go(701 B)
📄 syscall_openbsd_arm.go(715 B)
📄 syscall_openbsd_arm64.go(906 B)
📄 syscall_openbsd_libc.go(3.28 KB)
📄 syscall_openbsd_mips64.go(970 B)
📄 syscall_openbsd_ppc64.go(906 B)
📄 syscall_openbsd_riscv64.go(906 B)
📄 syscall_plan9.go(9.37 KB)
📄 syscall_plan9_test.go(1.15 KB)
📄 syscall_ptrace_test.go(768 B)
📄 syscall_solaris.go(15.66 KB)
📄 syscall_solaris_amd64.go(487 B)
📄 syscall_solarisonly.go(304 B)
📄 syscall_test.go(1.44 KB)
📄 syscall_unix.go(12.11 KB)
📄 syscall_unix_test.go(9.43 KB)
📄 syscall_wasip1.go(9.37 KB)
📄 syscall_windows.go(52.6 KB)
📄 syscall_windows_test.go(5.73 KB)
📄 tables_js.go(19.17 KB)
📄 tables_wasip1.go(6.49 KB)
📄 time_fake.go(677 B)
📄 time_nofake.go(351 B)
📄 timestruct.go(954 B)
📄 types_aix.go(3.35 KB)
📄 types_darwin.go(5.03 KB)
📄 types_dragonfly.go(5.05 KB)
📄 types_freebsd.go(6.72 KB)
📄 types_illumos_amd64.go(379 B)
📄 types_linux.go(10.9 KB)
📄 types_netbsd.go(4.77 KB)
📄 types_openbsd.go(5.04 KB)
📄 types_solaris.go(4.88 KB)
📄 types_windows.go(27.75 KB)
📄 types_windows_386.go(477 B)
📄 types_windows_amd64.go(477 B)
📄 types_windows_arm.go(477 B)
📄 types_windows_arm64.go(477 B)
📄 wtf8_windows.go(2.67 KB)
📄 wtf8_windows_test.go(4.31 KB)
📄 zerrors_aix_ppc64.go(47.16 KB)
📄 zerrors_darwin_amd64.go(55.28 KB)
📄 zerrors_darwin_arm64.go(55.79 KB)
📄 zerrors_dragonfly_amd64.go(59.62 KB)
📄 zerrors_freebsd_386.go(67.35 KB)
📄 zerrors_freebsd_amd64.go(67.4 KB)
📄 zerrors_freebsd_arm.go(67.34 KB)
📄 zerrors_freebsd_arm64.go(67.41 KB)
📄 zerrors_freebsd_riscv64.go(67.41 KB)
📄 zerrors_linux_386.go(57.36 KB)
📄 zerrors_linux_amd64.go(57.39 KB)
📄 zerrors_linux_arm.go(57.88 KB)
📄 zerrors_linux_arm64.go(68.57 KB)
📄 zerrors_linux_loong64.go(82.47 KB)
📄 zerrors_linux_mips.go(69.18 KB)
📄 zerrors_linux_mips64.go(68.5 KB)
📄 zerrors_linux_mips64le.go(68.5 KB)
📄 zerrors_linux_mipsle.go(69.18 KB)
📄 zerrors_linux_ppc64.go(70.89 KB)
📄 zerrors_linux_ppc64le.go(71.84 KB)
📄 zerrors_linux_riscv64.go(70.8 KB)
📄 zerrors_linux_s390x.go(73.28 KB)
📄 zerrors_netbsd_386.go(67.48 KB)
📄 zerrors_netbsd_amd64.go(67.07 KB)
📄 zerrors_netbsd_arm.go(66.49 KB)
📄 zerrors_netbsd_arm64.go(67.07 KB)
📄 zerrors_openbsd_386.go(62.52 KB)
📄 zerrors_openbsd_amd64.go(62.48 KB)
📄 zerrors_openbsd_arm.go(62.47 KB)
📄 zerrors_openbsd_arm64.go(66.36 KB)
📄 zerrors_openbsd_mips64.go(66.66 KB)
📄 zerrors_openbsd_ppc64.go(67.14 KB)
📄 zerrors_openbsd_riscv64.go(67.1 KB)
📄 zerrors_solaris_amd64.go(50.72 KB)
📄 zerrors_windows.go(9.97 KB)
📄 zsyscall_aix_ppc64.go(41.4 KB)
📄 zsyscall_darwin_amd64.go(51.72 KB)
📄 zsyscall_darwin_amd64.s(8.7 KB)
📄 zsyscall_darwin_arm64.go(51.67 KB)
📄 zsyscall_darwin_arm64.s(8.67 KB)
📄 zsyscall_dragonfly_amd64.go(31.67 KB)
📄 zsyscall_freebsd_386.go(31.21 KB)
📄 zsyscall_freebsd_amd64.go(31.07 KB)
📄 zsyscall_freebsd_arm.go(31.23 KB)
📄 zsyscall_freebsd_arm64.go(31.07 KB)
📄 zsyscall_freebsd_riscv64.go(31.07 KB)
📄 zsyscall_linux_386.go(34.68 KB)
📄 zsyscall_linux_amd64.go(39.5 KB)
📄 zsyscall_linux_arm.go(38.92 KB)
📄 zsyscall_linux_arm64.go(37.81 KB)
📄 zsyscall_linux_loong64.go(37.08 KB)
📄 zsyscall_linux_mips.go(40.34 KB)
📄 zsyscall_linux_mips64.go(40.34 KB)
📄 zsyscall_linux_mips64le.go(40.35 KB)
📄 zsyscall_linux_mipsle.go(40.34 KB)
📄 zsyscall_linux_ppc64.go(40.98 KB)
📄 zsyscall_linux_ppc64le.go(40.99 KB)
📄 zsyscall_linux_riscv64.go(37.84 KB)
📄 zsyscall_linux_s390x.go(35.3 KB)
📄 zsyscall_netbsd_386.go(30.11 KB)
📄 zsyscall_netbsd_amd64.go(29.97 KB)
📄 zsyscall_netbsd_arm.go(30.12 KB)
📄 zsyscall_netbsd_arm64.go(29.97 KB)
📄 zsyscall_openbsd_386.go(48.07 KB)
📄 zsyscall_openbsd_386.s(8.09 KB)
📄 zsyscall_openbsd_amd64.go(47.92 KB)
📄 zsyscall_openbsd_amd64.s(8.09 KB)
📄 zsyscall_openbsd_arm.go(48.09 KB)
📄 zsyscall_openbsd_arm.s(8.09 KB)
📄 zsyscall_openbsd_arm64.go(47.92 KB)
📄 zsyscall_openbsd_arm64.s(8.09 KB)
📄 zsyscall_openbsd_mips64.go(30.05 KB)
📄 zsyscall_openbsd_ppc64.go(47.92 KB)
📄 zsyscall_openbsd_ppc64.s(8.78 KB)
📄 zsyscall_openbsd_riscv64.go(47.93 KB)
📄 zsyscall_openbsd_riscv64.s(8.09 KB)
📄 zsyscall_plan9_386.go(6.17 KB)
📄 zsyscall_plan9_amd64.go(6.18 KB)
📄 zsyscall_plan9_arm.go(6.17 KB)
📄 zsyscall_solaris_amd64.go(37.56 KB)
📄 zsyscall_windows.go(56.73 KB)
📄 zsysctl_openbsd.go(11.39 KB)
📄 zsysnum_darwin_amd64.go(14.55 KB)
📄 zsysnum_darwin_arm64.go(14.39 KB)
📄 zsysnum_dragonfly_amd64.go(22.94 KB)
📄 zsysnum_freebsd_386.go(25.46 KB)
📄 zsysnum_freebsd_amd64.go(25.46 KB)
📄 zsysnum_freebsd_arm.go(25.46 KB)
📄 zsysnum_freebsd_arm64.go(35.79 KB)
📄 zsysnum_freebsd_riscv64.go(35.79 KB)
📄 zsysnum_linux_386.go(11.27 KB)
📄 zsysnum_linux_amd64.go(10.11 KB)
📄 zsysnum_linux_arm.go(11.55 KB)
📄 zsysnum_linux_arm64.go(8.95 KB)
📄 zsysnum_linux_loong64.go(10.28 KB)
📄 zsysnum_linux_mips.go(12.1 KB)
📄 zsysnum_linux_mips64.go(10.93 KB)
📄 zsysnum_linux_mips64le.go(10.93 KB)
📄 zsysnum_linux_mipsle.go(12.1 KB)
📄 zsysnum_linux_ppc64.go(11.47 KB)
📄 zsysnum_linux_ppc64le.go(11.49 KB)
📄 zsysnum_linux_riscv64.go(8.88 KB)
📄 zsysnum_linux_s390x.go(10.64 KB)
📄 zsysnum_netbsd_386.go(25.69 KB)
📄 zsysnum_netbsd_amd64.go(25.69 KB)
📄 zsysnum_netbsd_arm.go(25.69 KB)
📄 zsysnum_netbsd_arm64.go(25.69 KB)
📄 zsysnum_openbsd_386.go(14.16 KB)
📄 zsysnum_openbsd_amd64.go(14.16 KB)
📄 zsysnum_openbsd_arm.go(14.46 KB)
📄 zsysnum_openbsd_arm64.go(14.72 KB)
📄 zsysnum_openbsd_mips64.go(14.93 KB)
📄 zsysnum_openbsd_ppc64.go(15.83 KB)
📄 zsysnum_openbsd_riscv64.go(15.67 KB)
📄 zsysnum_plan9.go(1.03 KB)
📄 zsysnum_solaris_amd64.go(293 B)
📄 ztypes_aix_ppc64.go(4.17 KB)
📄 ztypes_darwin_amd64.go(6.95 KB)
📄 ztypes_darwin_arm64.go(6.95 KB)
📄 ztypes_dragonfly_amd64.go(6.7 KB)
📄 ztypes_freebsd_386.go(8 KB)
📄 ztypes_freebsd_amd64.go(8.03 KB)
📄 ztypes_freebsd_arm.go(8.03 KB)
📄 ztypes_freebsd_arm64.go(8.03 KB)
📄 ztypes_freebsd_riscv64.go(8.03 KB)
📄 ztypes_linux_386.go(11.58 KB)
📄 ztypes_linux_amd64.go(11.95 KB)
📄 ztypes_linux_arm.go(11.47 KB)
📄 ztypes_linux_arm64.go(10.16 KB)
📄 ztypes_linux_loong64.go(10.77 KB)
📄 ztypes_linux_mips.go(9.96 KB)
📄 ztypes_linux_mips64.go(10.08 KB)
📄 ztypes_linux_mips64le.go(10.08 KB)
📄 ztypes_linux_mipsle.go(9.96 KB)
📄 ztypes_linux_ppc64.go(10.25 KB)
📄 ztypes_linux_ppc64le.go(10.38 KB)
📄 ztypes_linux_riscv64.go(10.23 KB)
📄 ztypes_linux_s390x.go(10.44 KB)
📄 ztypes_netbsd_386.go(5.99 KB)
📄 ztypes_netbsd_amd64.go(6.17 KB)
📄 ztypes_netbsd_arm.go(6.13 KB)
📄 ztypes_netbsd_arm64.go(6.17 KB)
📄 ztypes_openbsd_386.go(6.73 KB)
📄 ztypes_openbsd_amd64.go(6.89 KB)
📄 ztypes_openbsd_arm.go(6.84 KB)
📄 ztypes_openbsd_arm64.go(6.66 KB)
📄 ztypes_openbsd_mips64.go(6.66 KB)
📄 ztypes_openbsd_ppc64.go(6.69 KB)
📄 ztypes_openbsd_riscv64.go(6.69 KB)
📄 ztypes_solaris_amd64.go(5.57 KB)

Editing: dirent_test.go

// Copyright 2018 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.

//go:build unix

package syscall_test

import (
	"bytes"
	"fmt"
	"os"
	"path/filepath"
	"runtime"
	"sort"
	"strconv"
	"strings"
	"syscall"
	"testing"
	"unsafe"
)

func TestDirent(t *testing.T) {
	const (
		direntBufSize   = 2048 // arbitrary? See https://go.dev/issue/37323.
		filenameMinSize = 11
	)

d := t.TempDir()
	t.Logf("tmpdir: %s", d)

for i, c := range []byte("0123456789") {
		name := string(bytes.Repeat([]byte{c}, filenameMinSize+i))
		err := os.WriteFile(filepath.Join(d, name), nil, 0644)
		if err != nil {
			t.Fatalf("writefile: %v", err)
		}
	}

names := make([]string, 0, 10)

fd, err := syscall.Open(d, syscall.O_RDONLY, 0)
	if err != nil {
		t.Fatalf("syscall.open: %v", err)
	}
	defer syscall.Close(fd)

buf := bytes.Repeat([]byte{0xCD}, direntBufSize)
	for {
		n, err := syscall.ReadDirent(fd, buf)
		if err == syscall.EINVAL {
			// On linux, 'man getdents64' says that EINVAL indicates “result buffer is too small”.
			// Try a bigger buffer.
			t.Logf("ReadDirent: %v; retrying with larger buffer", err)
			buf = bytes.Repeat([]byte{0xCD}, len(buf)*2)
			continue
		}
		if err != nil {
			t.Fatalf("syscall.readdir: %v", err)
		}
		t.Logf("ReadDirent: read %d bytes", n)
		if n == 0 {
			break
		}

var consumed, count int
		consumed, count, names = syscall.ParseDirent(buf[:n], -1, names)
		t.Logf("ParseDirent: %d new name(s)", count)
		if consumed != n {
			t.Fatalf("ParseDirent: consumed %d bytes; expected %d", consumed, n)
		}
	}

sort.Strings(names)
	t.Logf("names: %q", names)

if len(names) != 10 {
		t.Errorf("got %d names; expected 10", len(names))
	}
	for i, name := range names {
		ord, err := strconv.Atoi(name[:1])
		if err != nil {
			t.Fatalf("names[%d] is non-integer %q: %v", i, names[i], err)
		}
		if expected := strings.Repeat(name[:1], filenameMinSize+ord); name != expected {
			t.Errorf("names[%d] is %q (len %d); expected %q (len %d)", i, name, len(name), expected, len(expected))
		}
	}
}

func TestDirentRepeat(t *testing.T) {
	const N = 100
	// Note: the size of the buffer is small enough that the loop
	// below will need to execute multiple times. See issue #31368.
	size := N * unsafe.Offsetof(syscall.Dirent{}.Name) / 4
	if runtime.GOOS == "freebsd" || runtime.GOOS == "netbsd" {
		if size < 1024 {
			size = 1024 // DIRBLKSIZ, see issue 31403.
		}
	}

// Make a directory containing N files
	d := t.TempDir()

var files []string
	for i := 0; i < N; i++ {
		files = append(files, fmt.Sprintf("file%d", i))
	}
	for _, file := range files {
		err := os.WriteFile(filepath.Join(d, file), []byte("contents"), 0644)
		if err != nil {
			t.Fatalf("writefile: %v", err)
		}
	}

// Read the directory entries using ReadDirent.
	fd, err := syscall.Open(d, syscall.O_RDONLY, 0)
	if err != nil {
		t.Fatalf("syscall.open: %v", err)
	}
	defer syscall.Close(fd)
	var files2 []string
	for {
		buf := make([]byte, size)
		n, err := syscall.ReadDirent(fd, buf)
		if err != nil {
			t.Fatalf("syscall.readdir: %v", err)
		}
		if n == 0 {
			break
		}
		buf = buf[:n]
		for len(buf) > 0 {
			var consumed int
			consumed, _, files2 = syscall.ParseDirent(buf, -1, files2)
			buf = buf[consumed:]
		}
	}

// Check results
	sort.Strings(files)
	sort.Strings(files2)
	if strings.Join(files, "|") != strings.Join(files2, "|") {
		t.Errorf("bad file list: want\n%q\ngot\n%q", files, files2)
	}
}

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