fix: build on windows

Author: not-matthias

crates/codspeed/src/instrument_hooks/mod.rs

@@ -3,7 +3,6 @@ mod ffi;
 
 #[cfg(use_instrument_hooks)]
 mod linux_impl {
-    use nix::sys::time::TimeValLike;
 
     use super::ffi;
     use std::ffi::CString;
@@ -116,9 +115,19 @@ mod linux_impl {
 
         #[inline(always)]
         pub fn current_timestamp() -> u64 {
-            nix::time::clock_gettime(nix::time::ClockId::CLOCK_MONOTONIC)
-                .expect("Failed to get current time")
-                .num_nanoseconds() as u64
+            #[cfg(target_os = "linux")]
+            {
+                use nix::sys::time::TimeValLike;
+
+                nix::time::clock_gettime(nix::time::ClockId::CLOCK_MONOTONIC)
+                    .expect("Failed to get current time")
+                    .num_nanoseconds() as u64
+            }
+
+            #[cfg(not(target_os = "linux"))]
+            unsafe {
+                ffi::instrument_hooks_current_timestamp()
+            }
         }
     }