BugFix: to avoid infinite loop in kNanosecondsPerUnit initialization … by hzlushiliang · Pull Request #97 · trpc-group/trpc-cpp

@hzlushiliang

@hzlushiliang

…in x86 arch

- use rdtsc instruction instead of __rdtsc function to get tsc in x86 arch
- support fiber primitive for ExitBarrier, to allow Fiber.Join in pthread context and fiber context

helloopenworld

approved these changes Dec 28, 2023