From 7d8c27e12abe781bdf98c0c6608ab0a6fda33ccf Mon Sep 17 00:00:00 2001
From: Fabrice de Gans-Riberi <fdegans@chromium.org>
Date: Fri, 14 Dec 2018 16:13:23 -0800
Subject: [PATCH] [Fuchsia] Implement detection of available cores.

Bug: webrtc:10135
Change-Id: I958276f4bbf5fa1a77335d4b7a279cb6c3344abc
Reviewed-on: https://webrtc-review.googlesource.com/c/114504
Reviewed-by: Henrik Andreassson <henrika@webrtc.org>
Commit-Queue: Fabrice de Gans-Riberi <fdegans@chromium.org>
Cr-Commit-Position: refs/heads/master@{#26033}
---
 system_wrappers/source/cpu_info.cc | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/system_wrappers/source/cpu_info.cc b/system_wrappers/source/cpu_info.cc
index 136d9779bd..6bcdd5f94f 100644
--- a/system_wrappers/source/cpu_info.cc
+++ b/system_wrappers/source/cpu_info.cc
@@ -14,9 +14,10 @@
 #include <windows.h>
 #elif defined(WEBRTC_LINUX)
 #include <unistd.h>
-#endif
-#if defined(WEBRTC_MAC)
+#elif defined(WEBRTC_MAC)
 #include <sys/sysctl.h>
+#elif defined(WEBRTC_FUCHSIA)
+#include <zircon/syscalls.h>
 #endif
 
 #include "rtc_base/logging.h"
@@ -39,6 +40,8 @@ static int DetectNumberOfCores() {
     RTC_LOG(LS_ERROR) << "Failed to get number of cores";
     number_of_cores = 1;
   }
+#elif defined(WEBRTC_FUCHSIA)
+  number_of_cores = zx_system_get_num_cpus();
 #else
   RTC_LOG(LS_ERROR) << "No function to get number of cores";
 #endif