diff --git a/libc/bionic/pthread_sigqueue.cpp b/libc/bionic/pthread_sigqueue.cpp
new file mode 100644
index 0000000..34bda38
--- /dev/null
+++ b/libc/bionic/pthread_sigqueue.cpp
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <errno.h>
+#include <pthread.h>
+#include <signal.h>
+#include <sys/syscall.h>
+#include <unistd.h>
+
+#include "private/ErrnoRestorer.h"
+#include "pthread_internal.h"
+
+int pthread_sigqueue(pthread_t t, int sig, const union sigval value) {
+  ErrnoRestorer errno_restorer;
+
+  pid_t tid = pthread_gettid_np(t);
+  if (tid == -1) return ESRCH;
+
+  siginfo_t siginfo;
+  siginfo.si_code = SI_QUEUE;
+  siginfo.si_pid = getpid();
+  siginfo.si_uid = getuid();
+  siginfo.si_value = value;
+
+  return syscall(__NR_rt_tgsigqueueinfo, getpid(), tid, sig, &siginfo) ? errno : 0;
+}