diff --git a/libc/SECCOMP_ALLOWLIST_COMMON.TXT b/libc/SECCOMP_ALLOWLIST_COMMON.TXT
index c440f9b..6650d7e 100644
--- a/libc/SECCOMP_ALLOWLIST_COMMON.TXT
+++ b/libc/SECCOMP_ALLOWLIST_COMMON.TXT
@@ -74,5 +74,3 @@
 int sched_rr_get_interval_time64(pid_t, timespec64*) lp32
 # Since Linux 5.4, not in glibc. Probed for and conditionally used by ART.
 int userfaultfd(int) all
-# Since Linux 5.9, used by POSIX_SPAWN_CLOEXEC_DEFAULT
-int close_range(unsigned int, unsigned int, int) all
diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index a09c614..1435e79 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -107,6 +107,7 @@
 ssize_t     __pwritev64v2:pwritev2(int, const struct iovec*, int, long, long, int) all
 
 int         __close:close(int)  all
+int         close_range(unsigned int, unsigned int, int) all
 pid_t       __getpid:getpid()  all
 int memfd_create(const char*, unsigned) all
 int         munmap(void*, size_t)  all
diff --git a/libc/bionic/spawn.cpp b/libc/bionic/spawn.cpp
index 59f7631..7e80ef6 100644
--- a/libc/bionic/spawn.cpp
+++ b/libc/bionic/spawn.cpp
@@ -52,7 +52,7 @@
 // mark all open fds except stdin/out/err as close-on-exec
 static int cloexec_except_stdioe() {
   // requires 5.11+ or ACK 5.10-T kernel, otherwise returns ENOSYS or EINVAL
-  if (!syscall(SYS_close_range, 3, ~0U, CLOSE_RANGE_CLOEXEC)) return 0;
+  if (!close_range(3, ~0U, CLOSE_RANGE_CLOEXEC)) return 0;
 
   // unfortunately getrlimit can lie:
   // - both soft and hard limits can be lowered to 0, with fds still open, so it can underestimate
diff --git a/libc/include/unistd.h b/libc/include/unistd.h
index e360421..f142525 100644
--- a/libc/include/unistd.h
+++ b/libc/include/unistd.h
@@ -317,6 +317,22 @@
 void swab(const void* __src, void* __dst, ssize_t __byte_count) __INTRODUCED_IN(28);
 #endif
 
+/**
+ * [close_range(2)](https://man7.org/linux/man-pages/man2/close_range.2.html)
+ * performs an action (which depends on value of flags) on an inclusive range
+ * of file descriptors.
+ *
+ * Available since API level 34.
+ *
+ * Note: there is no emulation on too old kernels, hence this will fail with
+ * -1/ENOSYS on pre-5.9 kernels, -1/EINVAL for unsupported flags.  In particular
+ * CLOSE_RANGE_CLOEXEC requires 5.11, though support was backported to Android
+ * Common Kernel 5.10-T.
+ *
+ * Returns 0 on success, and returns -1 and sets `errno` on failure.
+ */
+int close_range(unsigned int __min_fd, unsigned int __max_fd, int __flags) __INTRODUCED_IN(34);
+
 #if defined(__BIONIC_INCLUDE_FORTIFY_HEADERS)
 #define _UNISTD_H_
 #include <bits/fortify/unistd.h>
diff --git a/libc/libc.map.txt b/libc/libc.map.txt
index 7397b68..e64fe00 100644
--- a/libc/libc.map.txt
+++ b/libc/libc.map.txt
@@ -1576,6 +1576,11 @@
     pwritev64v2;
 } LIBC_S;
 
+LIBC_U { # introduced=UpsideDownCake
+  global:
+    close_range;
+} LIBC_T;
+
 LIBC_PRIVATE {
   global:
     __accept4; # arm x86