hack

Catch panics on thread initialization.

src/main.rs

@@ -11,6 +11,7 @@ mod utils;
 
 use crate::cli::build_cli;
 use std::collections::HashSet;
+use std::panic;
 use std::process;
 use sysinfo::{System, SystemExt};
 
@@ -156,7 +157,10 @@ fn main() {
         by_filecount,
         ignore_hidden: config.get_ignore_hidden(&options),
     };
-    let _rayon = init_rayon();
+    let pool = panic::catch_unwind(init_rayon);
+    if pool.is_err() {
+        eprintln!("Warning: Could not configure threads {:?}", pool.err());
+    }
 
     let iso = config.get_iso(&options);
     let (top_level_nodes, has_errors) = walk_it(simplified_dirs, walk_data);
@@ -191,17 +195,14 @@ fn main() {
 }
 
 fn init_rayon() -> Result<(), ThreadPoolBuildError> {
-    let large_stack = usize::pow(1024, 3);
+    let s = System::new_all();
-    // Warning: Creating System is slow, takes ~ 100ms
+    let av = s.get_available_memory();
-    let s = System::new();
+    let free = s.get_free_memory();
-    let available = s.get_available_memory() * 1024;
+    println!("{}", av);
-
+    println!("{}", free);
-    if available > large_stack.try_into().unwrap() {
     // Larger stack size to handle cases with lots of nested directories
     rayon::ThreadPoolBuilder::new()
-            .stack_size(large_stack)
+        .stack_size(usize::pow(1024, 3))
         .build_global()
-    } else {
+
-        Ok(())
-    }
 }