diff --git a/libc-test/semver/linux.txt b/libc-test/semver/linux.txt
index 6660d0920bb42..efc1f44488aec 100644
--- a/libc-test/semver/linux.txt
+++ b/libc-test/semver/linux.txt
@@ -1991,6 +1991,7 @@ PTRACE_EVENT_VFORK_DONE
 PTRACE_GETEVENTMSG
 PTRACE_GETREGSET
 PTRACE_GETSIGINFO
+PTRACE_GETSIGMASK
 PTRACE_INTERRUPT
 PTRACE_KILL
 PTRACE_LISTEN
@@ -2016,6 +2017,7 @@ PTRACE_SEIZE
 PTRACE_SETOPTIONS
 PTRACE_SETREGSET
 PTRACE_SETSIGINFO
+PTRACE_SETSIGMASK
 PTRACE_SINGLESTEP
 PTRACE_SYSCALL
 PTRACE_TRACEME
diff --git a/src/unix/linux_like/linux/gnu/mod.rs b/src/unix/linux_like/linux/gnu/mod.rs
index 3c969e493f916..377b9f122f150 100644
--- a/src/unix/linux_like/linux/gnu/mod.rs
+++ b/src/unix/linux_like/linux/gnu/mod.rs
@@ -852,6 +852,8 @@ pub const PTRACE_SEIZE: ::c_uint = 0x4206;
 pub const PTRACE_INTERRUPT: ::c_uint = 0x4207;
 pub const PTRACE_LISTEN: ::c_uint = 0x4208;
 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_SYSCALL_INFO_NONE: ::__u8 = 0;
 pub const PTRACE_SYSCALL_INFO_ENTRY: ::__u8 = 1;
diff --git a/src/unix/linux_like/linux/musl/mod.rs b/src/unix/linux_like/linux/musl/mod.rs
index bc8150589f620..b67d55e99bb53 100644
--- a/src/unix/linux_like/linux/musl/mod.rs
+++ b/src/unix/linux_like/linux/musl/mod.rs
@@ -591,6 +591,8 @@ pub const PTRACE_SEIZE: ::c_int = 0x4206;
 pub const PTRACE_INTERRUPT: ::c_int = 0x4207;
 pub const PTRACE_LISTEN: ::c_int = 0x4208;
 pub const PTRACE_PEEKSIGINFO: ::c_int = 0x4209;
+pub const PTRACE_GETSIGMASK: ::c_uint = 0x420a;
+pub const PTRACE_SETSIGMASK: ::c_uint = 0x420b;
 
 pub const AF_IB: ::c_int = 27;
 pub const AF_MPLS: ::c_int = 28;
diff --git a/src/unix/linux_like/linux/uclibc/mod.rs b/src/unix/linux_like/linux/uclibc/mod.rs
index 8812625da2d5a..4afb98e957c9d 100644
--- a/src/unix/linux_like/linux/uclibc/mod.rs
+++ b/src/unix/linux_like/linux/uclibc/mod.rs
@@ -280,7 +280,9 @@ pub const PF_NFC: ::c_int = 39;
 pub const PF_VSOCK: ::c_int = 40;
 pub const POSIX_MADV_DONTNEED: ::c_int = 4;
 pub const PTRACE_EVENT_STOP: ::c_int = 128;
+pub const PTRACE_GETSIGMASK: ::c_uint = 0x420a;
 pub const PTRACE_PEEKSIGINFO: ::c_int = 0x4209;
+pub const PTRACE_SETSIGMASK: ::c_uint = 0x420b;
 pub const RTLD_NOLOAD: ::c_int = 0x00004;
 pub const RUSAGE_THREAD: ::c_int = 1;
 pub const SHM_EXEC: ::c_int = 0100000;