diff --git a/util/sysresources/memory.go b/util/sysresources/memory.go deleted file mode 100644 index 3c6b9ae85..000000000 --- a/util/sysresources/memory.go +++ /dev/null @@ -1,10 +0,0 @@ -// Copyright (c) Tailscale Inc & contributors -// SPDX-License-Identifier: BSD-3-Clause - -package sysresources - -// TotalMemory returns the total accessible system memory, in bytes. If the -// value cannot be determined, then 0 will be returned. -func TotalMemory() uint64 { - return totalMemoryImpl() -} diff --git a/util/sysresources/memory_bsd.go b/util/sysresources/memory_bsd.go deleted file mode 100644 index 945f86ea3..000000000 --- a/util/sysresources/memory_bsd.go +++ /dev/null @@ -1,16 +0,0 @@ -// Copyright (c) Tailscale Inc & contributors -// SPDX-License-Identifier: BSD-3-Clause - -//go:build freebsd || openbsd || dragonfly || netbsd - -package sysresources - -import "golang.org/x/sys/unix" - -func totalMemoryImpl() uint64 { - val, err := unix.SysctlUint64("hw.physmem") - if err != nil { - return 0 - } - return val -} diff --git a/util/sysresources/memory_darwin.go b/util/sysresources/memory_darwin.go deleted file mode 100644 index 165f12eb3..000000000 --- a/util/sysresources/memory_darwin.go +++ /dev/null @@ -1,16 +0,0 @@ -// Copyright (c) Tailscale Inc & contributors -// SPDX-License-Identifier: BSD-3-Clause - -//go:build darwin - -package sysresources - -import "golang.org/x/sys/unix" - -func totalMemoryImpl() uint64 { - val, err := unix.SysctlUint64("hw.memsize") - if err != nil { - return 0 - } - return val -} diff --git a/util/sysresources/memory_linux.go b/util/sysresources/memory_linux.go deleted file mode 100644 index 3885a8aa6..000000000 --- a/util/sysresources/memory_linux.go +++ /dev/null @@ -1,19 +0,0 @@ -// Copyright (c) Tailscale Inc & contributors -// SPDX-License-Identifier: BSD-3-Clause - -//go:build linux - -package sysresources - -import "golang.org/x/sys/unix" - -func totalMemoryImpl() uint64 { - var info unix.Sysinfo_t - - if err := unix.Sysinfo(&info); err != nil { - return 0 - } - - // uint64 casts are required since these might be uint32s - return uint64(info.Totalram) * uint64(info.Unit) -} diff --git a/util/sysresources/memory_unsupported.go b/util/sysresources/memory_unsupported.go deleted file mode 100644 index c88e9ed52..000000000 --- a/util/sysresources/memory_unsupported.go +++ /dev/null @@ -1,8 +0,0 @@ -// Copyright (c) Tailscale Inc & contributors -// SPDX-License-Identifier: BSD-3-Clause - -//go:build !(linux || darwin || freebsd || openbsd || dragonfly || netbsd) - -package sysresources - -func totalMemoryImpl() uint64 { return 0 } diff --git a/util/sysresources/sysresources.go b/util/sysresources/sysresources.go deleted file mode 100644 index 33d0d5d96..000000000 --- a/util/sysresources/sysresources.go +++ /dev/null @@ -1,6 +0,0 @@ -// Copyright (c) Tailscale Inc & contributors -// SPDX-License-Identifier: BSD-3-Clause - -// Package sysresources provides OS-independent methods of determining the -// resources available to the current system. -package sysresources diff --git a/util/sysresources/sysresources_test.go b/util/sysresources/sysresources_test.go deleted file mode 100644 index 7fea1bf0f..000000000 --- a/util/sysresources/sysresources_test.go +++ /dev/null @@ -1,25 +0,0 @@ -// Copyright (c) Tailscale Inc & contributors -// SPDX-License-Identifier: BSD-3-Clause - -package sysresources - -import ( - "runtime" - "testing" -) - -func TestTotalMemory(t *testing.T) { - switch runtime.GOOS { - case "linux": - case "freebsd", "openbsd", "dragonfly", "netbsd": - case "darwin": - default: - t.Skipf("not supported on runtime.GOOS=%q yet", runtime.GOOS) - } - - mem := TotalMemory() - if mem == 0 { - t.Fatal("wanted TotalMemory > 0") - } - t.Logf("total memory: %v bytes", mem) -}