Start time performance improvements to build tools (#3797)

* Make os.cpus() faster on Linux

* Fix crash

See https://github.com/ziglang/zig/issues/16540

* Handle watcher_count == 0

* Add assertion

* Clean up lifetimes of fs watcher a little

* :scissors:

* Use `errdefer`

* Make the error better

* Make os.cpus() more lazy

* Please don't translate-c on the entire C standard library

* immediately closing works correctly is still bug

* ops

* fmt+fixeup

* add back verbose

* free instead of destroy

* remove destroy option for watcher tasks

* flush verbose and add debug log

* fixup files

* use log for debug

---------

Co-authored-by: Jarred Sumner <709451+Jarred-Sumner@users.noreply.github.com>
Co-authored-by: cirospaciari <ciro.spaciari@gmail.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/src/bun.js/bindings/c-bindings.cpp b/src/bun.js/bindings/c-bindings.cpp
index 0e837d04f..ff4c8c4e7 100644
--- a/src/bun.js/bindings/c-bindings.cpp
+++ b/src/bun.js/bindings/c-bindings.cpp
@@ -40,4 +40,12 @@ extern "C" void bun_ignore_sigpipe()
 {
     // ignore SIGPIPE
     signal(SIGPIPE, SIG_IGN);
+}
+extern "C" ssize_t bun_sysconf__SC_CLK_TCK()
+{
+#ifdef __APPLE__
+    return sysconf(_SC_CLK_TCK);
+#else
+    return 0;
+#endif
 }
\ No newline at end of file