Thread/Util: make SCHED_RESET_ON_FORK optional

Use it if it exists, but don't insist if the C library is poor (e.g. Bionic/Android).

Thread/Util: make SCHED_RESET_ON_FORK optional
5eb468bc · Max Kellermann · 7f8dd0e9 · 5eb468bc
Commit 5eb468bc authored Feb 18, 2014 by Max Kellermann
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Util.hxx src/thread/Util.hxx +7 -1

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--- a/src/thread/Util.hxx
+++ b/src/thread/Util.hxx
@@ -78,7 +78,13 @@ SetThreadRealtime()
 #ifdef __linux__
 	struct sched_param sched_param;
 	sched_param.sched_priority = 50;
-	sched_setscheduler(0, SCHED_FIFO|SCHED_RESET_ON_FORK, &sched_param);
+
+	int policy = SCHED_FIFO;
+#ifdef SCHED_RESET_ON_FORK
+	policy |= SCHED_RESET_ON_FORK;
+#endif
+
+	sched_setscheduler(0, policy, &sched_param);
 #endif
 };