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-rw-r--r--libc/src/unix/bsd/freebsdlike/freebsd/aarch64.rs5
-rw-r--r--libc/src/unix/bsd/freebsdlike/freebsd/mod.rs44
-rw-r--r--libc/src/unix/bsd/freebsdlike/freebsd/x86.rs6
-rw-r--r--libc/src/unix/bsd/freebsdlike/freebsd/x86_64.rs5
4 files changed, 60 insertions, 0 deletions
diff --git a/libc/src/unix/bsd/freebsdlike/freebsd/aarch64.rs b/libc/src/unix/bsd/freebsdlike/freebsd/aarch64.rs
index 3d61f88..d33b475 100644
--- a/libc/src/unix/bsd/freebsdlike/freebsd/aarch64.rs
+++ b/libc/src/unix/bsd/freebsdlike/freebsd/aarch64.rs
@@ -1,3 +1,5 @@
+use dox::mem;
+
pub type c_long = i64;
pub type c_ulong = u64;
pub type time_t = i64;
@@ -29,4 +31,7 @@ s! {
}
}
+// should be pub(crate), but that requires Rust 1.18.0
+#[doc(hidden)]
+pub const _ALIGNBYTES: usize = mem::size_of::<::c_longlong>() - 1;
pub const MAP_32BIT: ::c_int = 0x00080000;
diff --git a/libc/src/unix/bsd/freebsdlike/freebsd/mod.rs b/libc/src/unix/bsd/freebsdlike/freebsd/mod.rs
index 878deea..91eab30 100644
--- a/libc/src/unix/bsd/freebsdlike/freebsd/mod.rs
+++ b/libc/src/unix/bsd/freebsdlike/freebsd/mod.rs
@@ -1,3 +1,5 @@
+use dox::mem;
+
pub type fflags_t = u32;
pub type clock_t = i32;
pub type ino_t = u32;
@@ -182,6 +184,12 @@ s! {
pub sdl_slen: ::c_uchar,
pub sdl_data: [::c_char; 46],
}
+
+ pub struct stack_t {
+ pub ss_sp: *mut ::c_void,
+ pub ss_size: ::size_t,
+ pub ss_flags: ::c_int,
+ }
}
pub const SIGEV_THREAD_ID: ::c_int = 4;
@@ -962,7 +970,43 @@ pub const UF_READONLY: ::c_ulong = 0x00001000;
pub const UF_HIDDEN: ::c_ulong = 0x00008000;
pub const SF_SNAPSHOT: ::c_ulong = 0x00200000;
+fn _ALIGN(p: usize) -> usize {
+ (p + _ALIGNBYTES) & !_ALIGNBYTES
+}
+
f! {
+ pub fn CMSG_DATA(cmsg: *const ::cmsghdr) -> *mut ::c_uchar {
+ (cmsg as *mut ::c_uchar)
+ .offset(_ALIGN(mem::size_of::<::cmsghdr>()) as isize)
+ }
+
+ pub fn CMSG_LEN(length: ::c_uint) -> ::c_uint {
+ _ALIGN(mem::size_of::<::cmsghdr>()) as ::c_uint + length
+ }
+
+ pub fn CMSG_NXTHDR(mhdr: *const ::msghdr, cmsg: *const ::cmsghdr)
+ -> *mut ::cmsghdr
+ {
+ if cmsg.is_null() {
+ return ::CMSG_FIRSTHDR(mhdr);
+ };
+ let next = cmsg as usize + _ALIGN((*cmsg).cmsg_len as usize)
+ + _ALIGN(mem::size_of::<::cmsghdr>());
+ let max = (*mhdr).msg_control as usize
+ + (*mhdr).msg_controllen as usize;
+ if next > max {
+ 0 as *mut ::cmsghdr
+ } else {
+ (cmsg as usize + _ALIGN((*cmsg).cmsg_len as usize))
+ as *mut ::cmsghdr
+ }
+ }
+
+ pub fn CMSG_SPACE(length: ::c_uint) -> ::c_uint {
+ (_ALIGN(mem::size_of::<::cmsghdr>()) + _ALIGN(length as usize))
+ as ::c_uint
+ }
+
pub fn uname(buf: *mut ::utsname) -> ::c_int {
__xuname(256, buf as *mut ::c_void)
}
diff --git a/libc/src/unix/bsd/freebsdlike/freebsd/x86.rs b/libc/src/unix/bsd/freebsdlike/freebsd/x86.rs
index 8a5e5f9..a5495aa 100644
--- a/libc/src/unix/bsd/freebsdlike/freebsd/x86.rs
+++ b/libc/src/unix/bsd/freebsdlike/freebsd/x86.rs
@@ -1,3 +1,5 @@
+use dox::mem;
+
pub type c_long = i32;
pub type c_ulong = u32;
pub type time_t = i32;
@@ -29,3 +31,7 @@ s! {
__unused: [u8; 8],
}
}
+
+// should be pub(crate), but that requires Rust 1.18.0
+#[doc(hidden)]
+pub const _ALIGNBYTES: usize = mem::size_of::<::c_long>() - 1;
diff --git a/libc/src/unix/bsd/freebsdlike/freebsd/x86_64.rs b/libc/src/unix/bsd/freebsdlike/freebsd/x86_64.rs
index 3d61f88..711feb7 100644
--- a/libc/src/unix/bsd/freebsdlike/freebsd/x86_64.rs
+++ b/libc/src/unix/bsd/freebsdlike/freebsd/x86_64.rs
@@ -1,3 +1,5 @@
+use dox::mem;
+
pub type c_long = i64;
pub type c_ulong = u64;
pub type time_t = i64;
@@ -29,4 +31,7 @@ s! {
}
}
+// should be pub(crate), but that requires Rust 1.18.0
+#[doc(hidden)]
+pub const _ALIGNBYTES: usize = mem::size_of::<::c_long>() - 1;
pub const MAP_32BIT: ::c_int = 0x00080000;