From 2d7833cfc9646c7f41759f6339b995643faa8ddb Mon Sep 17 00:00:00 2001
From: Zsolt Donca <zsolt.donca@gmail.com>
Date: Sun, 10 Jan 2021 19:51:05 +0200
Subject: [PATCH] Changed to use nanosleep

---
 include/time-util.h        | 6 ++++++
 meson.build                | 1 -
 src/screencast/fps_limit.c | 5 ++++-
 3 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/include/time-util.h b/include/time-util.h
index 9f9fa2b8..8c67100f 100644
--- a/include/time-util.h
+++ b/include/time-util.h
@@ -25,6 +25,12 @@ static inline uint64_t timespec_to_us(const struct timespec* ts)
 	       (uint64_t)ts->tv_nsec / UINT64_C(1000);
 }
 
+static inline void us_to_timespec(uint64_t time_us, struct timespec* ts)
+{
+	ts->tv_sec = time_us / UINT64_C(1000000);
+	ts->tv_nsec = time_us % UINT64_C(1000000) * UINT64_C(1000);
+}
+
 static inline uint64_t timespec_to_ms(const struct timespec* ts)
 {
 	return (uint64_t)ts->tv_sec * UINT64_C(1000) +
diff --git a/meson.build b/meson.build
index 8ff9940e..39188a06 100644
--- a/meson.build
+++ b/meson.build
@@ -18,7 +18,6 @@ add_project_arguments(cc.get_supported_arguments([
 	'-Wno-missing-field-initializers',
 	'-Wno-unused-parameter',
 	'-D_POSIX_C_SOURCE=200809L',
-	'-D_GNU_SOURCE',
 ]), language: 'c')
 
 inc = include_directories('include')
diff --git a/src/screencast/fps_limit.c b/src/screencast/fps_limit.c
index f865af62..92feb53c 100644
--- a/src/screencast/fps_limit.c
+++ b/src/screencast/fps_limit.c
@@ -26,7 +26,10 @@ void fps_limit_apply(struct fps_limit_state* state, double max_fps) {
 		int64_t delay_us = target_us - elapsed_us;
 		if (delay_us > 0) {
 			logprint(TRACE, "fps_limit: elapsed time since the end of last sleep: %u, sleeping for %u (microseconds)", elapsed_us, delay_us);
-			usleep(delay_us);
+
+			struct timespec delay;
+			us_to_timespec(delay_us, &delay);
+			nanosleep(&delay, NULL);
 		}
 
 		state->last_time_us = gettime_us();