rust-lang · JohnTitor · Oct 11, 2025 · Oct 10, 2025
diff --git a/libc-test/semver/apple.txt b/libc-test/semver/apple.txt
@@ -1937,6 +1937,7 @@ initgroups
 integer_t
 ip_mreqn
 ipc_perm
+issetugid
 kern_return_t
 kevent
 kevent64

diff --git a/libc-test/semver/dragonfly.txt b/libc-test/semver/dragonfly.txt
@@ -1403,6 +1403,7 @@ if_nameindex
 ifaddrs
 in6_pktinfo
 initgroups
+issetugid
 jrand48
 kevent
 killpg

diff --git a/libc-test/semver/freebsd.txt b/libc-test/semver/freebsd.txt
@@ -2043,6 +2043,7 @@ input_absinfo
 input_event
 ip_mreqn
 ipc_perm
+issetugid
 jail
 jail_attach
 jail_get

diff --git a/libc-test/semver/netbsd.txt b/libc-test/semver/netbsd.txt
@@ -1402,6 +1402,7 @@ in6_pktinfo
 in_pktinfo
 initgroups
 ipc_perm
+issetugid
 itimerspec
 jrand48
 kevent

diff --git a/libc-test/semver/openbsd.txt b/libc-test/semver/openbsd.txt
@@ -1169,6 +1169,7 @@ initgroups
 ip_mreqn
 ipc_perm
 iso_args
+issetugid
 jrand48
 kevent
 key_t

diff --git a/src/unix/bsd/mod.rs b/src/unix/bsd/mod.rs
@@ -944,6 +944,8 @@ extern "C" {
     ) -> size_t;
 
     pub fn devname(dev: crate::dev_t, mode_t: crate::mode_t) -> *mut c_char;
+
+    pub fn issetugid() -> c_int;
 }
 
 cfg_if! {
-Original file line number
+Diff line change
@@ Expand Up / @@ -1403,6 +1403,7 @@ if_nameindex @@
     ifaddrs
     in6_pktinfo
     initgroups
+    issetugid
     jrand48
     kevent
     killpg
@@ Expand Down @@