From d406bfd64653a57d973007c4aec4cf1a49415809 Mon Sep 17 00:00:00 2001
From: Milad Farazmand <miladfar@ca.ibm.com>
Date: Mon, 9 Dec 2019 14:55:28 +0000
Subject: [PATCH] [base] Fix the return of ClockNow on IBMi

The API thread_cputime() is only defined but not yet implemented on IBMi.

Change-Id: I8ea7ff724e749f537b54e75a00d718500807ca8a
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1957831
Reviewed-by: Junliang Yan <jyan@ca.ibm.com>
Reviewed-by: Clemens Backes <clemensb@chromium.org>
Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#65392}
---
 src/base/platform/time.cc | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/base/platform/time.cc b/src/base/platform/time.cc
index ecbd70fd74..f07fd8e595 100644
--- a/src/base/platform/time.cc
+++ b/src/base/platform/time.cc
@@ -70,6 +70,9 @@ V8_INLINE int64_t ClockNow(clockid_t clk_id) {
 #if defined(V8_OS_AIX)
   thread_cputime_t tc;
   if (clk_id == CLOCK_THREAD_CPUTIME_ID) {
+#if defined(__PASE__)  // CLOCK_THREAD_CPUTIME_ID clock not supported on IBMi
+    return 0;
+#endif
     if (thread_cputime(-1, &tc) != 0) {
       UNREACHABLE();
     }