[llvm] [SystemZ][z/OS] z/OS does not support nanosleep, use usleep instead (PR #109823)
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Tue Sep 24 09:01:31 PDT 2024
llvmbot wrote:
<!--LLVM PR SUMMARY COMMENT-->
@llvm/pr-subscribers-llvm-support
Author: Abhina Sree (abhina-sree)
<details>
<summary>Changes</summary>
Use usleep instead of nanosleep to resolve a build error on z/OS because there is no support for nanosleep.
---
Full diff: https://github.com/llvm/llvm-project/pull/109823.diff
1 Files Affected:
- (modified) llvm/unittests/Support/TimerTest.cpp (+4)
``````````diff
diff --git a/llvm/unittests/Support/TimerTest.cpp b/llvm/unittests/Support/TimerTest.cpp
index 09545eb6939aeb..30f9f132a8d15a 100644
--- a/llvm/unittests/Support/TimerTest.cpp
+++ b/llvm/unittests/Support/TimerTest.cpp
@@ -27,6 +27,10 @@ void SleepMS() {
struct timespec Interval;
Interval.tv_sec = 0;
Interval.tv_nsec = 1000000;
+#if defined(__MVS__)
+ long Microseconds = (Interval.tv_nsec + 999) / 1000;
+ usleep(Microseconds);
+#else
nanosleep(&Interval, nullptr);
#endif
}
``````````
</details>
https://github.com/llvm/llvm-project/pull/109823
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