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linux: Add FUTEX_ROBUST_UNLOCK and FUTEX_ROBUST_LIST32 #5525

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Merged
JohnTitor merged 1 commit into from
Sep 13, 2026
Merged

linux: Add FUTEX_ROBUST_UNLOCK and FUTEX_ROBUST_LIST32 #5525

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6 changes: 6 additions & 0 deletions libc-test/build/main.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -4854,6 +4854,12 @@ fn test_linux(t: &Target) {
// eabihf targets are tested using an older version of glibc
"AT_HANDLE_FID" if musl || eabihf => true,

// Added in 7.2
"FUTEX_ROBUST_UNLOCK" => kernel < (7, 2),
"FUTEX_ROBUST_LIST32" => kernel < (7, 2),
// Value changed in 7.2
"FUTEX_CMD_MASK" => kernel < (7, 2),

_ => false,
}
});
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2 changes: 2 additions & 0 deletions libc-test/semver/linux.txt
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Expand Up @@ -956,6 +956,8 @@ FUTEX_OP_XOR
FUTEX_OWNER_DIED
FUTEX_PRIVATE_FLAG
FUTEX_REQUEUE
FUTEX_ROBUST_LIST32
FUTEX_ROBUST_UNLOCK
FUTEX_TID_MASK
FUTEX_TRYLOCK_PI
FUTEX_UNLOCK_PI
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5 changes: 4 additions & 1 deletion src/new/linux_uapi/linux/futex.rs
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Expand Up @@ -19,8 +19,11 @@ pub const FUTEX_LOCK_PI2: c_int = 13;

pub const FUTEX_PRIVATE_FLAG: c_int = 128;
pub const FUTEX_CLOCK_REALTIME: c_int = 256;
pub const FUTEX_ROBUST_UNLOCK: c_int = 512;
pub const FUTEX_ROBUST_LIST32: c_int = 1024;

pub const FUTEX_CMD_MASK: c_int = !(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME);
pub const FUTEX_CMD_MASK: c_int =
!(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME | FUTEX_ROBUST_UNLOCK | FUTEX_ROBUST_LIST32);

pub const FUTEX2_SIZE_U8: c_int = 0x00;
pub const FUTEX2_SIZE_U16: c_int = 0x01;
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