@@ -4602,7 +4602,7 @@ written in Python, such as a mail server's external command delivery program.
 
    See the :manpage:`pidfd_open(2)` man page for more details.
 
-   .. availability:: Linux >= 5.3
+   .. availability:: Linux >= 5.3, Android >= :func:`build-time <sys.getandroidapilevel>` API level 31
    .. versionadded:: 3.9
 
    .. data:: PIDFD_NONBLOCK
 
@@ -411,7 +411,7 @@ The :mod:`signal` module defines the following functions:
 
    See the :manpage:`pidfd_send_signal(2)` man page for more information.
 
-   .. availability:: Linux >= 5.1
+   .. availability:: Linux >= 5.1, Android >= :func:`build-time <sys.getandroidapilevel>` API level 31
    .. versionadded:: 3.9
 
 
 
@@ -0,0 +1,3 @@
+:func:`os.pidfd_open` and :func:`signal.pidfd_send_signal` are now
+unavailable when building against Android API levels older than 31, since
+the underlying system calls may cause a crash.
@@ -10121,7 +10121,10 @@ os_wait_impl(PyObject *module)
 }
 #endif /* HAVE_WAIT */
 
-#if defined(__linux__) && defined(__NR_pidfd_open)
+
+// This system call always crashes on older Android versions.
+#if defined(__linux__) && defined(__NR_pidfd_open) && \
+    !(defined(__ANDROID__) && __ANDROID_API__ < 31)
 /*[clinic input]
 os.pidfd_open
   pid: pid_t
 
@@ -1299,7 +1299,9 @@ signal_pthread_kill_impl(PyObject *module, unsigned long thread_id,
 #endif   /* #if defined(HAVE_PTHREAD_KILL) */
 
 
-#if defined(__linux__) && defined(__NR_pidfd_send_signal)
+// This system call always crashes on older Android versions.
+#if defined(__linux__) && defined(__NR_pidfd_send_signal) && \
+    !(defined(__ANDROID__) && __ANDROID_API__ < 31)
 /*[clinic input]
 signal.pidfd_send_signal
Original file line number	Diff line number	Diff line change
`@@ -0,0 +1,3 @@`
	`1`	+:func:`os.pidfd_open` and :func:`signal.pidfd_send_signal` are now
	`2`	`+unavailable when building against Android API levels older than 31, since`
	`3`	`+the underlying system calls may cause a crash.`