Annotate unstable *LAST constants

src/solid/mod.rs

@@ -219,6 +219,9 @@ pub const LC_MONETARY: c_int = 3;
 pub const LC_NUMERIC: c_int = 4;
 pub const LC_TIME: c_int = 5;
 pub const LC_MESSAGES: c_int = 6;
+
+/// This symbol is prone to change across releases upstream.
+/// See the [usage guidelines](crate#usage-guidelines) for details.
 pub const _LC_LAST: c_int = 7;
 
 pub const EPERM: c_int = 1;

src/unix/bsd/netbsdlike/openbsd/mod.rs

@@ -947,7 +947,7 @@ pub const EOWNERDEAD: c_int = 94;
 pub const EPROTO: c_int = 95;
 
 /// This symbols is prone to change across releases upstream.
-/// See the [usage guidelines](crate::#usage-guidelines) for details and use.
+/// See the [usage guidelines](crate#usage-guidelines) for details.
 pub const ELAST: c_int = 95;
 
 pub const F_DUPFD_CLOEXEC: c_int = 10;
@@ -1739,7 +1739,10 @@ pub const LC_NUMERIC_MASK: c_int = 1 << crate::LC_NUMERIC;
 pub const LC_TIME_MASK: c_int = 1 << crate::LC_TIME;
 pub const LC_MESSAGES_MASK: c_int = 1 << crate::LC_MESSAGES;
 
+/// This symbol is prone to change across releases upstream.
+/// See the [usage guidelines](crate#usage-guidelines) for details.
 const _LC_LAST: c_int = 7;
+
 pub const LC_ALL_MASK: c_int = (1 << _LC_LAST) - 2;
 
 pub const LC_GLOBAL_LOCALE: crate::locale_t = -1isize as crate::locale_t;

src/unix/linux_like/android/mod.rs

@@ -1937,6 +1937,9 @@ pub const NF_BR_PRI_BRNF: c_int = 0;
 pub const NF_BR_PRI_NAT_DST_OTHER: c_int = 100;
 pub const NF_BR_PRI_FILTER_OTHER: c_int = 200;
 pub const NF_BR_PRI_NAT_SRC: c_int = 300;
+
+/// This symbol is prone to change across releases upstream.
+/// See the [usage guidelines](crate#usage-guidelines) for details.
 pub const NF_BR_PRI_LAST: c_int = crate::INT_MAX;
 
 // linux/netfilter_ipv4.h
@@ -1961,6 +1964,9 @@ pub const NF_IP_PRI_NAT_SRC: c_int = 100;
 pub const NF_IP_PRI_SELINUX_LAST: c_int = 225;
 pub const NF_IP_PRI_CONNTRACK_HELPER: c_int = 300;
 pub const NF_IP_PRI_CONNTRACK_CONFIRM: c_int = crate::INT_MAX;
+
+/// This symbol is prone to change across releases upstream.
+/// See the [usage guidelines](crate#usage-guidelines) for details.
 pub const NF_IP_PRI_LAST: c_int = crate::INT_MAX;
 
 // linux/netfilter_ipv6.h
@@ -1984,6 +1990,9 @@ pub const NF_IP6_PRI_SECURITY: c_int = 50;
 pub const NF_IP6_PRI_NAT_SRC: c_int = 100;
 pub const NF_IP6_PRI_SELINUX_LAST: c_int = 225;
 pub const NF_IP6_PRI_CONNTRACK_HELPER: c_int = 300;
+
+/// This symbol is prone to change across releases upstream.
+/// See the [usage guidelines](crate#usage-guidelines) for details.
 pub const NF_IP6_PRI_LAST: c_int = crate::INT_MAX;
 
 // linux/netfilter_ipv6/ip6_tables.h

src/unix/linux_like/linux/mod.rs

@@ -1905,6 +1905,9 @@ pub const NF_BR_PRI_BRNF: c_int = 0;
 pub const NF_BR_PRI_NAT_DST_OTHER: c_int = 100;
 pub const NF_BR_PRI_FILTER_OTHER: c_int = 200;
 pub const NF_BR_PRI_NAT_SRC: c_int = 300;
+
+/// This symbol is prone to change across releases upstream.
+/// See the [usage guidelines](crate#usage-guidelines) for details.
 pub const NF_BR_PRI_LAST: c_int = crate::INT_MAX;
 
 // linux/netfilter_ipv4.h
@@ -1929,6 +1932,9 @@ pub const NF_IP_PRI_NAT_SRC: c_int = 100;
 pub const NF_IP_PRI_SELINUX_LAST: c_int = 225;
 pub const NF_IP_PRI_CONNTRACK_HELPER: c_int = 300;
 pub const NF_IP_PRI_CONNTRACK_CONFIRM: c_int = crate::INT_MAX;
+
+/// This symbol is prone to change across releases upstream.
+/// See the [usage guidelines](crate#usage-guidelines) for details.
 pub const NF_IP_PRI_LAST: c_int = crate::INT_MAX;
 
 // linux/netfilter_ipv6.h
@@ -1952,6 +1958,9 @@ pub const NF_IP6_PRI_SECURITY: c_int = 50;
 pub const NF_IP6_PRI_NAT_SRC: c_int = 100;
 pub const NF_IP6_PRI_SELINUX_LAST: c_int = 225;
 pub const NF_IP6_PRI_CONNTRACK_HELPER: c_int = 300;
+
+/// This symbol is prone to change across releases upstream.
+/// See the [usage guidelines](crate#usage-guidelines) for details.
 pub const NF_IP6_PRI_LAST: c_int = crate::INT_MAX;
 
 // linux/netfilter_ipv6/ip6_tables.h
@@ -2029,9 +2038,15 @@ pub const SIOCGIWENCODEEXT: c_ulong = 0x8B35;
 pub const SIOCSIWPMKSA: c_ulong = 0x8B36;
 
 pub const SIOCIWFIRSTPRIV: c_ulong = 0x8BE0;
+
+/// This symbol is prone to change across releases upstream.
+/// See the [usage guidelines](crate#usage-guidelines) for details.
 pub const SIOCIWLASTPRIV: c_ulong = 0x8BFF;
 
 pub const SIOCIWFIRST: c_ulong = 0x8B00;
+
+/// This symbol is prone to change across releases upstream.
+/// See the [usage guidelines](crate#usage-guidelines) for details.
 pub const SIOCIWLAST: c_ulong = SIOCIWLASTPRIV;
 
 pub const IWEVTXDROP: c_ulong = 0x8C00;

src/unix/solarish/illumos.rs

@@ -152,6 +152,8 @@ pub const LOCK_EX: c_int = 2;
 pub const LOCK_NB: c_int = 4;
 pub const LOCK_UN: c_int = 8;
 
+/// This symbol is prone to change across releases upstream.
+/// See the [usage guidelines](crate#usage-guidelines) for details.
 pub const _PC_LAST: c_int = 101;
 
 pub const _CS_PATH: c_int = 65;

src/unix/solarish/solaris.rs

@@ -132,6 +132,8 @@ pub const F_DUPFD_CLOFORK: c_int = 49;
 pub const F_DUP2FD_CLOEXEC: c_int = 48;
 pub const F_DUP2FD_CLOFORK: c_int = 50;
 
+/// This symbol is prone to change across releases upstream.
+/// See the [usage guidelines](crate#usage-guidelines) for details.
 pub const _PC_LAST: c_int = 102;
 
 pub const PRIV_PROC_SENSITIVE: c_uint = 0x0008;