atomic-maybe-uninit 0.3.21

Atomic operations on potentially uninitialized integers.
Documentation 
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[package]
name = "atomic-maybe-uninit"
version = "0.3.21" #publish:version
edition = "2021"
# NB: Sync with rust-version field in other Cargo.toml files and msrv badge in README.md
rust-version = "1.74" # For MaybeUninit registers in asm!: https://github.com/rust-lang/rust/pull/114790
license = "Apache-2.0 OR MIT"
repository = "https://github.com/taiki-e/atomic-maybe-uninit"
keywords = ["atomic"]
categories = ["concurrency", "embedded", "hardware-support", "no-std", "no-std::no-alloc"]
exclude = ["/.*", "/tools", "/target-specs"]
description = """
Atomic operations on potentially uninitialized integers.
"""

[package.metadata.docs.rs]
targets = [
    "aarch64-unknown-linux-gnu",
    "armv7-unknown-linux-gnueabihf",
    "i686-unknown-linux-gnu",
    "riscv64gc-unknown-linux-gnu",
    "x86_64-unknown-linux-gnu",
]

[package.metadata.cargo_check_external_types]
# The following are external types that are allowed to be exposed in our public API.
allowed_external_types = [
]

[lib]
doc-scrape-examples = false

[dev-dependencies]
fastrand = "2"
paste = "1"
quickcheck = { version = "1", default-features = false, git = "https://github.com/taiki-e/quickcheck.git", rev = "f0c72378d7d21b45b4f479be03a0e01ee4aca036" } # https://github.com/BurntSushi/quickcheck/pull/304 + https://github.com/BurntSushi/quickcheck/pull/282 + https://github.com/BurntSushi/quickcheck/pull/296 + rand -> fastrand + lower MSRV
test-helper = { features = ["std", "sys"], git = "https://github.com/taiki-e/test-helper.git", rev = "82e3b012a49fb16587e165986674290ef682a5b0" }

[target.'cfg(valgrind)'.dev-dependencies]
crabgrind = "0.3"

[lints]
workspace = true

[workspace]
resolver = "2"

# This table is shared by projects under github.com/taiki-e.
# Expect for unexpected_cfgs.check-cfg, it is not intended for manual editing.
[workspace.lints.rust]
deprecated_safe = "warn"
improper_ctypes = "warn"
improper_ctypes_definitions = "warn"
non_ascii_idents = "warn"
rust_2018_idioms = "warn"
single_use_lifetimes = "warn"
unexpected_cfgs = { level = "warn", check-cfg = [
    'cfg(target_arch,values("xtensa"))', # 1.81+ https://github.com/rust-lang/rust/pull/125141
    'cfg(target_arch,values("amdgpu"))', # 1.86+ https://github.com/rust-lang/rust/pull/134740
    'cfg(target_arch,values("loongarch32"))', # 1.89+ https://github.com/rust-lang/rust/pull/142053
    'cfg(target_os,values("zos"))', # https://github.com/rust-lang/compiler-team/issues/992
    'cfg(target_feature,values("lse2","lse128","rcpc3"))', # 1.82+ https://github.com/rust-lang/rust/pull/128192
    'cfg(target_feature,values("partword-atomics","quadword-atomics"))', # 1.83+ https://github.com/rust-lang/rust/pull/130873
    'cfg(target_feature,values("zaamo","zabha","zalrsc"))', # 1.83+ https://github.com/rust-lang/rust/pull/130877
    'cfg(target_feature,values("leoncasa","v8plus","v9"))', # 1.84+ https://github.com/rust-lang/rust/pull/132552
    'cfg(target_feature,values("x87"))', # 1.85+ https://github.com/rust-lang/rust/pull/133099
    'cfg(target_feature,values("isa-68020","isa-68060"))', # 1.85+ https://github.com/rust-lang/rust/pull/134329
    'cfg(target_feature,values("zacas"))', # 1.87+ https://github.com/rust-lang/rust/pull/137417
    'cfg(target_feature,values("msync"))', # 1.87+ https://github.com/rust-lang/rust/pull/137860
    'cfg(target_feature,values("lam-bh","lamcas","scq"))', # 1.87+ https://github.com/rust-lang/rust/pull/138056
    'cfg(target_feature,values("ztso"))', # 1.88+ https://github.com/rust-lang/rust/pull/139440
    'cfg(target_feature,values("tinyencoding","lowbytefirst","rmw"))', # 1.95+ https://github.com/rust-lang/rust/pull/146900
    'cfg(target_pointer_width,values("128"))',
    # Known custom cfgs, excluding those that may be set by build script.
    # Public APIs, considered unstable unless documented as stable in readme.
    'cfg(atomic_maybe_uninit_no_outline_atomics)',
    # arm: Use cp15_barrier instead of __kuser_memory_barrier on Armv6 Linux/Android.
    # Armv6 binaries compiled with this cfg may cause problems when run on Armv7+ chips:
    # https://github.com/rust-lang/rust/issues/60605
    'cfg(atomic_maybe_uninit_use_cp15_barrier)',
    # These cfgs are auto-detected for known builtin targets and -C target-cpu
    # by the build script, but may need to be set manually, for example if the
    # CPU is specified in a custom target, since rustc does not have target
    # features to indicate them, and target name beginning with i386- may
    # actually be i686 (e.g., i386-apple-ios)
    # https://github.com/rust-lang/rust/blob/1.90.0/compiler/rustc_target/src/spec/base/apple/mod.rs#L68
    # x86: Assume CPU does not have CMPXCHG8B instruction.
    # This is a cfg for compatibility with 80486/80386, but note that
    # LLVM does not support those CPUs well: https://reviews.llvm.org/D18802
    # 'cfg(atomic_maybe_uninit_no_cmpxchg8b)', # check-cfg is already set by build script
    # x86: Assume CPU does not have CMPXCHG instruction.
    # This is a cfg for compatibility with 80386, but note that
    # LLVM does not support those CPUs well: https://reviews.llvm.org/D18802
    # When setting this cfg you also need to set atomic_maybe_uninit_no_cmpxchg8b.
    # 'cfg(atomic_maybe_uninit_no_cmpxchg)', # check-cfg is already set by build script
    # mips: Assume CPU does not have LL/SC instruction.
    # This is a cfg for compatibility with R5900.
    # 'cfg(atomic_maybe_uninit_no_ll_sc)', # check-cfg is already set by build script
    # mips: Assume CPU does not have SYNC instruction.
    # This is a cfg for compatibility with MIPS I.
    # 'cfg(atomic_maybe_uninit_no_sync)', # check-cfg is already set by build script
    # sparc: Assume CPU does not have STBAR instruction.
    # This is a cfg for compatibility with SPARC-V7.
    # 'cfg(atomic_maybe_uninit_no_stbar)', # check-cfg is already set by build script
    # Not public API.
    'cfg(atomic_maybe_uninit_test_detect_false,atomic_maybe_uninit_test_prefer_x87_over_sse,atomic_maybe_uninit_test_prefer_cmpxchg8b_over_x87,atomic_maybe_uninit_test_prefer_kuser_memory_barrier,atomic_maybe_uninit_test_prefer_kuser_cmpxchg,atomic_maybe_uninit_test_prefer_bx,atomic_maybe_uninit_test_prefer_zalrsc_over_zaamo,atomic_maybe_uninit_test_prefer_zacas_over_zalrsc_for_sub_word,atomic_maybe_uninit_test_prefer_st_ll_sc_over_amswap,atomic_maybe_uninit_test_prefer_swap_over_cas,qemu,valgrind,valgrind_cross)',
] }
unnameable_types = "warn"
unreachable_pub = "warn"
unsafe_op_in_unsafe_fn = "warn"
[workspace.lints.clippy]
all = "warn" # Downgrade deny-by-default lints
pedantic = "warn"
as_ptr_cast_mut = "warn"
as_underscore = "warn"
default_union_representation = "warn"
inline_asm_x86_att_syntax = "warn"
trailing_empty_array = "warn"
transmute_undefined_repr = "warn"
undocumented_unsafe_blocks = "warn"
unused_trait_names = "warn"
# Suppress buggy or noisy clippy lints
bool_assert_comparison = { level = "allow", priority = 1 }
borrow_as_ptr = { level = "allow", priority = 1 } # https://github.com/rust-lang/rust-clippy/issues/8286
cast_lossless = { level = "allow", priority = 1 } # suggested code has poor codegen with -C opt-level=0 https://godbolt.org/z/GzTxzbd9q
collapsible_match = { level = "allow", priority = 1 }
declare_interior_mutable_const = { level = "allow", priority = 1 } # https://github.com/rust-lang/rust-clippy/issues/7665
doc_markdown = { level = "allow", priority = 1 }
float_cmp = { level = "allow", priority = 1 } # https://github.com/rust-lang/rust-clippy/issues/7725
incompatible_msrv = { level = "allow", priority = 1 } # buggy: doesn't consider cfg, https://github.com/rust-lang/rust-clippy/issues/12280, https://github.com/rust-lang/rust-clippy/issues/12257#issuecomment-2093667187
manual_assert = { level = "allow", priority = 1 }
manual_range_contains = { level = "allow", priority = 1 } # https://github.com/rust-lang/rust-clippy/issues/6455#issuecomment-1225966395
missing_errors_doc = { level = "allow", priority = 1 }
module_name_repetitions = { level = "allow", priority = 1 } # buggy: https://github.com/rust-lang/rust-clippy/issues?q=is%3Aissue+is%3Aopen+module_name_repetitions
naive_bytecount = { level = "allow", priority = 1 }
nonminimal_bool = { level = "allow", priority = 1 } # buggy: https://github.com/rust-lang/rust-clippy/issues?q=is%3Aissue+is%3Aopen+nonminimal_bool
range_plus_one = { level = "allow", priority = 1 } # buggy: https://github.com/rust-lang/rust-clippy/issues?q=is%3Aissue+is%3Aopen+range_plus_one
similar_names = { level = "allow", priority = 1 }
single_match = { level = "allow", priority = 1 }
single_match_else = { level = "allow", priority = 1 }
struct_excessive_bools = { level = "allow", priority = 1 }
struct_field_names = { level = "allow", priority = 1 }
too_many_arguments = { level = "allow", priority = 1 }
too_many_lines = { level = "allow", priority = 1 }
type_complexity = { level = "allow", priority = 1 }

[profile.release]
debug = true