From a398bdccab30af3720acdbe387f804fa96da0e23 Mon Sep 17 00:00:00 2001
From: "Marco C." <46560192+Marcondiro@users.noreply.github.com>
Date: Wed, 21 Jan 2026 17:27:48 +0100
Subject: [PATCH] Add PTRACE_SET_SYSCALL_INFO constant

---
 libc-test/build.rs                   | 3 +++
 libc-test/semver/linux-gnu.txt       | 1 +
 src/unix/linux_like/linux/gnu/mod.rs | 1 +
 3 files changed, 5 insertions(+)

diff --git a/libc-test/build.rs b/libc-test/build.rs
index 91f1fdfe7a19d..0e6a543861621 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -4495,6 +4495,9 @@ fn test_linux(target: &str) {
             // Linux 6.14
             "AT_EXECVE_CHECK" => true,
 
+            // FIXME(linux):  Requires >= 6.16 kernel headers.
+            "PTRACE_SET_SYSCALL_INFO" => true,
+
             _ => false,
         }
     });
diff --git a/libc-test/semver/linux-gnu.txt b/libc-test/semver/linux-gnu.txt
index 799c3f7504d29..4a396c2df4280 100644
--- a/libc-test/semver/linux-gnu.txt
+++ b/libc-test/semver/linux-gnu.txt
@@ -345,6 +345,7 @@ PR_SET_VMA_ANON_NAME
 PTHREAD_MUTEX_ADAPTIVE_NP
 PTRACE_GET_SYSCALL_INFO
 PTRACE_GET_SYSCALL_USER_DISPATCH_CONFIG
+PTRACE_SET_SYSCALL_INFO
 PTRACE_SET_SYSCALL_USER_DISPATCH_CONFIG
 PTRACE_SYSCALL_INFO_ENTRY
 PTRACE_SYSCALL_INFO_EXIT
diff --git a/src/unix/linux_like/linux/gnu/mod.rs b/src/unix/linux_like/linux/gnu/mod.rs
index d95795133934f..e49de44ca941d 100644
--- a/src/unix/linux_like/linux/gnu/mod.rs
+++ b/src/unix/linux_like/linux/gnu/mod.rs
@@ -748,6 +748,7 @@ pub const PTRACE_PEEKSIGINFO: c_uint = 0x4209;
 pub const PTRACE_GETSIGMASK: c_uint = 0x420a;
 pub const PTRACE_SETSIGMASK: c_uint = 0x420b;
 pub const PTRACE_GET_SYSCALL_INFO: c_uint = 0x420e;
+pub const PTRACE_SET_SYSCALL_INFO: c_uint = 0x4212;
 pub const PTRACE_SYSCALL_INFO_NONE: crate::__u8 = 0;
 pub const PTRACE_SYSCALL_INFO_ENTRY: crate::__u8 = 1;
 pub const PTRACE_SYSCALL_INFO_EXIT: crate::__u8 = 2;