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bsd: add BPF_WORDALIGN #5320

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Merged
tgross35 merged 1 commit into from
Aug 2, 2026
Merged

bsd: add BPF_WORDALIGN #5320

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1 change: 1 addition & 0 deletions libc-test/semver/apple.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -186,6 +186,7 @@ BIOCSSEESENT
BIOCVERSION
BOOT_TIME
BPF_ALIGNMENT
BPF_WORDALIGN
BS0
BS1
BSDLY
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1 change: 1 addition & 0 deletions libc-test/semver/dragonfly.txt
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Expand Up @@ -115,6 +115,7 @@ BIOCSSEESENT
BIOCVERSION
BOOT_TIME
BPF_ALIGNMENT
BPF_WORDALIGN
BTUARTDISC
BUFSIZ
BUS_ADRALN
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1 change: 1 addition & 0 deletions libc-test/semver/freebsd.txt
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Expand Up @@ -142,6 +142,7 @@ BIOCSSEESENT
BIOCVERSION
BOOT_TIME
BPF_ALIGNMENT
BPF_WORDALIGN
BUFSIZ
BUS_ADRALN
BUS_ADRERR
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4 changes: 4 additions & 0 deletions src/new/apple/xnu/net/bpf.rs
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Expand Up @@ -49,6 +49,10 @@ pub const DLT_LOOP: c_uint = 108;

pub const BPF_ALIGNMENT: c_int = size_of::<i32>() as c_int;

pub const fn BPF_WORDALIGN(x: usize) -> usize {
(x + (BPF_ALIGNMENT as usize - 1)) & !(BPF_ALIGNMENT as usize - 1)
}

pub const BIOCGRSIG: c_ulong = _IOR::<c_uint>('B' as c_ulong, 114);
pub const BIOCSRSIG: c_ulong = _IOW::<c_uint>('B' as c_ulong, 115);
pub const BIOCGSEESENT: c_ulong = _IOR::<c_uint>('B' as c_ulong, 118);
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4 changes: 4 additions & 0 deletions src/unix/bsd/freebsdlike/mod.rs
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Expand Up @@ -1313,6 +1313,10 @@ pub const EUI64_LEN: usize = 8;
// https://github.com/freebsd/freebsd/blob/HEAD/sys/net/bpf.h
pub const BPF_ALIGNMENT: usize = SIZEOF_LONG;

pub const fn BPF_WORDALIGN(x: usize) -> usize {
(x + (BPF_ALIGNMENT - 1)) & !(BPF_ALIGNMENT - 1)
}

// Values for rtprio struct (prio field) and syscall (function argument)
pub const RTP_PRIO_MIN: c_ushort = 0;
pub const RTP_PRIO_MAX: c_ushort = 31;
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