diff --git a/libc-test/build.rs b/libc-test/build.rs
index d09044e42332..29dc84251d10 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -3789,6 +3789,8 @@ fn test_linux(target: &str) {
             "linux/can.h",
             "linux/can/raw.h",
             "linux/can/j1939.h",
+            "linux/cn_proc.h",
+            "linux/connector.h",
             "linux/dccp.h",
             "linux/errqueue.h",
             "linux/falloc.h",
@@ -4589,6 +4591,9 @@ fn test_linux(target: &str) {
             // FIXME(linux): Requires >= 6.4 kernel headers.
             "PTRACE_SET_SYSCALL_USER_DISPATCH_CONFIG" | "PTRACE_GET_SYSCALL_USER_DISPATCH_CONFIG" => true,
 
+            // FIXME(linux): Requires >= 6.6 kernel headers.
+            "PROC_EVENT_NONZERO_EXIT" => true,
+
             _ => false,
         }
     });
diff --git a/src/unix/linux_like/linux/mod.rs b/src/unix/linux_like/linux/mod.rs
index 562b3e3d714b..160ef2b3c226 100644
--- a/src/unix/linux_like/linux/mod.rs
+++ b/src/unix/linux_like/linux/mod.rs
@@ -4741,6 +4741,51 @@ pub const RTNLGRP_MCTP_IFADDR: c_uint = 0x22;
 pub const RTNLGRP_TUNNEL: c_uint = 0x23;
 pub const RTNLGRP_STATS: c_uint = 0x24;
 
+// linux/cn_proc.h
+c_enum! {
+    proc_cn_mcast_op {
+        PROC_CN_MCAST_LISTEN = 1,
+        PROC_CN_MCAST_IGNORE = 2,
+    }
+}
+
+c_enum! {
+    proc_cn_event {
+        PROC_EVENT_NONE = 0x00000000,
+        PROC_EVENT_FORK = 0x00000001,
+        PROC_EVENT_EXEC = 0x00000002,
+        PROC_EVENT_UID = 0x00000004,
+        PROC_EVENT_GID = 0x00000040,
+        PROC_EVENT_SID = 0x00000080,
+        PROC_EVENT_PTRACE = 0x00000100,
+        PROC_EVENT_COMM = 0x00000200,
+        PROC_EVENT_NONZERO_EXIT = 0x20000000,
+        PROC_EVENT_COREDUMP = 0x40000000,
+        PROC_EVENT_EXIT = 0x80000000,
+    }
+}
+
+// linux/connector.h
+pub const CN_IDX_PROC: c_uint = 0x1;
+pub const CN_VAL_PROC: c_uint = 0x1;
+pub const CN_IDX_CIFS: c_uint = 0x2;
+pub const CN_VAL_CIFS: c_uint = 0x1;
+pub const CN_W1_IDX: c_uint = 0x3;
+pub const CN_W1_VAL: c_uint = 0x1;
+pub const CN_IDX_V86D: c_uint = 0x4;
+pub const CN_VAL_V86D_UVESAFB: c_uint = 0x1;
+pub const CN_IDX_BB: c_uint = 0x5;
+pub const CN_DST_IDX: c_uint = 0x6;
+pub const CN_DST_VAL: c_uint = 0x1;
+pub const CN_IDX_DM: c_uint = 0x7;
+pub const CN_VAL_DM_USERSPACE_LOG: c_uint = 0x1;
+pub const CN_IDX_DRBD: c_uint = 0x8;
+pub const CN_VAL_DRBD: c_uint = 0x1;
+pub const CN_KVP_IDX: c_uint = 0x9;
+pub const CN_KVP_VAL: c_uint = 0x1;
+pub const CN_VSS_IDX: c_uint = 0xA;
+pub const CN_VSS_VAL: c_uint = 0x1;
+
 // linux/module.h
 pub const MODULE_INIT_IGNORE_MODVERSIONS: c_uint = 0x0001;
 pub const MODULE_INIT_IGNORE_VERMAGIC: c_uint = 0x0002;