From 14d9bcb08a405de6a5258bfec148b3eba03b4ac3 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Sun, 3 Jan 2021 06:45:53 +0530
Subject: [PATCH] Go back to nanosleep since it is in POSIX

---
 kitty/disk-cache.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kitty/disk-cache.c b/kitty/disk-cache.c
index 9e28a94a1..7d8a1735d 100644
--- a/kitty/disk-cache.c
+++ b/kitty/disk-cache.c
@@ -20,7 +20,7 @@
 #include <stdlib.h>
 #include <sys/stat.h>
 #include <fcntl.h>
-#include <unistd.h>
+#include <time.h>
 #ifdef HAS_SENDFILE
 #include <sys/sendfile.h>
 #endif
@@ -614,7 +614,8 @@ disk_cache_wait_for_write(PyObject *self_, monotonic_t timeout) {
         mutex(unlock);
         if (!pending) return true;
         wakeup_write_loop(self);
-        usleep(10 * 1000);
+        struct timespec a = { .tv_nsec = 10L * MONOTONIC_T_1e6 }, b;  // 10ms sleep
+        nanosleep(&a, &b);
     }
     return false;
 }