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Add RFC 3678 multicast group_req/group_source_req and MCAST_* #5236

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Merged
tgross35 merged 1 commit into from
Aug 4, 2026
Merged

Add RFC 3678 multicast group_req/group_source_req and MCAST_* #5236

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2 changes: 2 additions & 0 deletions libc-test/semver/android.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -3609,6 +3609,8 @@ gmtime
gmtime_r
grantpt
group
group_req
group_source_req
hostent
id_t
idtype_t
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8 changes: 8 additions & 0 deletions libc-test/semver/apple.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -909,6 +909,12 @@ MAXPHASE
MAXSEC
MAXTC
MAXTHREADNAMESIZE
MCAST_BLOCK_SOURCE
MCAST_JOIN_GROUP
MCAST_JOIN_SOURCE_GROUP
MCAST_LEAVE_GROUP
MCAST_LEAVE_SOURCE_GROUP
MCAST_UNBLOCK_SOURCE
MCL_CURRENT
MCL_FUTURE
MDMBUF
Expand Down Expand Up @@ -2018,6 +2024,8 @@ getxattr
glob
glob_t
globfree
group_req
group_source_req
host_cpu_load_info
host_cpu_load_info_data_t
host_cpu_load_info_t
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8 changes: 8 additions & 0 deletions libc-test/semver/freebsd.txt
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Expand Up @@ -855,6 +855,12 @@ MAXFREQ
MAXPHASE
MAXSEC
MAXTC
MCAST_BLOCK_SOURCE
MCAST_JOIN_GROUP
MCAST_JOIN_SOURCE_GROUP
MCAST_LEAVE_GROUP
MCAST_LEAVE_SOURCE_GROUP
MCAST_UNBLOCK_SOURCE
MCL_CURRENT
MCL_FUTURE
MDMBUF
Expand Down Expand Up @@ -2065,6 +2071,8 @@ getutxuser
glob
glob_t
globfree
group_req
group_source_req
hexdump
humanize_number
icmp6_ifstat
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2 changes: 2 additions & 0 deletions libc-test/semver/l4re.txt
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Expand Up @@ -2201,6 +2201,8 @@ gid_t
gmtime
gmtime_r
group
group_req
group_source_req
hostent
hstrerror
iconv
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2 changes: 2 additions & 0 deletions libc-test/semver/linux.txt
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Original file line number Diff line number Diff line change
Expand Up @@ -4179,6 +4179,8 @@ getspnam
getspnam_r
gettid
getxattr
group_req
group_source_req
hasmntopt
hwtstamp_config
iconv
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22 changes: 22 additions & 0 deletions src/unix/bsd/apple/mod.rs
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Expand Up @@ -1348,6 +1348,20 @@ s! {
__ss_pad2: Padding<[u8; 112]>,
}

// netinet/in.h: RFC 3678 multicast group membership requests.
#[repr(packed(4))]
pub struct group_req {
pub gr_interface: u32,
pub gr_group: crate::sockaddr_storage,
}

#[repr(packed(4))]
pub struct group_source_req {
pub gsr_interface: u32,
pub gsr_group: crate::sockaddr_storage,
pub gsr_source: crate::sockaddr_storage,
}

pub struct utmpx {
pub ut_user: [c_char; _UTX_USERSIZE],
pub ut_id: [c_char; _UTX_IDSIZE],
Expand Down Expand Up @@ -2611,6 +2625,14 @@ pub const IPPROTO_MAX: c_int = 256;
/// last return value of *_input(), meaning "all job for this pkt is done".
pub const IPPROTO_DONE: c_int = 257;

// RFC 3678 protocol-independent multicast
pub const MCAST_JOIN_GROUP: c_int = 80;
pub const MCAST_LEAVE_GROUP: c_int = 81;
pub const MCAST_JOIN_SOURCE_GROUP: c_int = 82;
pub const MCAST_LEAVE_SOURCE_GROUP: c_int = 83;
pub const MCAST_BLOCK_SOURCE: c_int = 84;
pub const MCAST_UNBLOCK_SOURCE: c_int = 85;

pub const AF_UNSPEC: c_int = 0;
pub const AF_LOCAL: c_int = 1;
pub const AF_UNIX: c_int = AF_LOCAL;
Expand Down
20 changes: 20 additions & 0 deletions src/unix/bsd/freebsdlike/freebsd/mod.rs
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Expand Up @@ -209,12 +209,24 @@ s! {
pub ip6: *mut crate::in6_addr,
}

// netinet/in.h: RFC 3678 multicast group membership requests
pub struct ip_mreq_source {
pub imr_multiaddr: crate::in_addr,
pub imr_sourceaddr: crate::in_addr,
pub imr_interface: crate::in_addr,
}

pub struct group_req {
pub gr_interface: u32,
pub gr_group: crate::sockaddr_storage,
}

pub struct group_source_req {
pub gsr_interface: u32,
pub gsr_group: crate::sockaddr_storage,
pub gsr_source: crate::sockaddr_storage,
}

pub struct statvfs {
pub f_bavail: crate::fsblkcnt_t,
pub f_bfree: crate::fsblkcnt_t,
Expand Down Expand Up @@ -3075,6 +3087,14 @@ pub const IPPROTO_DIVERT: c_int = 258;
/// SeND pseudo-protocol
pub const IPPROTO_SEND: c_int = 259;

// RFC 3678 protocol-independent multicast
pub const MCAST_JOIN_GROUP: c_int = 80;
pub const MCAST_LEAVE_GROUP: c_int = 81;
pub const MCAST_JOIN_SOURCE_GROUP: c_int = 82;
pub const MCAST_LEAVE_SOURCE_GROUP: c_int = 83;
pub const MCAST_BLOCK_SOURCE: c_int = 84;
pub const MCAST_UNBLOCK_SOURCE: c_int = 85;

// sys/netinet/TCP.h
pub const TCP_MD5SIG: c_int = 16;
pub const TCP_INFO: c_int = 32;
Expand Down
12 changes: 12 additions & 0 deletions src/unix/linux_like/mod.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -36,12 +36,24 @@ s! {
pub imr_ifindex: c_int,
}

// netinet/in.h: RFC 3678 multicast group membership requests
pub struct ip_mreq_source {
pub imr_multiaddr: in_addr,
pub imr_interface: in_addr,
pub imr_sourceaddr: in_addr,
}

pub struct group_req {
pub gr_interface: u32,
pub gr_group: crate::sockaddr_storage,
}

pub struct group_source_req {
pub gsr_interface: u32,
pub gsr_group: crate::sockaddr_storage,
pub gsr_source: crate::sockaddr_storage,
}

pub struct sockaddr {
pub sa_family: sa_family_t,
pub sa_data: [c_char; 14],
Expand Down