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Support renameat2 and statx under musl libc #4478

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Support renameat2 and statx under musl libc #4478

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703c2db
Enable statx for musl
frc4533-lincoln May 27, 2025
0908643
Add renameat2 binding for musl
frc4533-lincoln May 27, 2025
266e0d7
Merge branch 'main' into main
frc4533-lincoln Jun 5, 2025
4c7bd69
Fix style
frc4533-lincoln Jun 5, 2025
b354390
Fix style
frc4533-lincoln Jun 5, 2025
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7 changes: 7 additions & 0 deletions src/unix/linux_like/linux/musl/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -884,6 +884,13 @@ extern "C" {
flags: c_int,
) -> ssize_t;
pub fn getauxval(type_: c_ulong) -> c_ulong;
pub fn renameat2(
oldfd: c_int,
old: *const c_char,
newfd: c_int,
new: *const c_char,
flags: c_uint,
) -> c_int;

// Added in `musl` 1.1.20
pub fn explicit_bzero(s: *mut c_void, len: size_t);
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18 changes: 15 additions & 3 deletions src/unix/linux_like/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -239,7 +239,11 @@ cfg_if! {
}

cfg_if! {
if #[cfg(any(target_env = "gnu", target_os = "android"))] {
if #[cfg(any(
target_env = "gnu",
target_os = "android",
target_env = "musl"
))] {
s! {
pub struct statx {
pub stx_mask: crate::__u32,
Expand Down Expand Up @@ -1656,7 +1660,11 @@ cfg_if! {
}

cfg_if! {
if #[cfg(any(target_env = "gnu", target_os = "android"))] {
if #[cfg(any(
target_env = "gnu",
target_os = "android",
target_env = "musl"
))] {
pub const AT_STATX_SYNC_TYPE: c_int = 0x6000;
pub const AT_STATX_SYNC_AS_STAT: c_int = 0x0000;
pub const AT_STATX_FORCE_SYNC: c_int = 0x2000;
Expand Down Expand Up @@ -2166,7 +2174,11 @@ cfg_if! {

// The statx syscall, available on some libcs.
cfg_if! {
if #[cfg(any(target_env = "gnu", target_os = "android"))] {
if #[cfg(any(
target_env = "gnu",
target_os = "android",
target_env = "musl"
))] {
extern "C" {
pub fn statx(
dirfd: c_int,
Expand Down
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