Move is_niceness logic out of clap utils to reduce dependencies (#32331)

Move is_niceness logic out of clap utils to reduce dependencies..

..for solana-keygen

Cargo.lock

@@ -5361,7 +5361,6 @@ dependencies = [
  "chrono",
  "clap 2.33.3",
  "rpassword",
- "solana-perf",
  "solana-remote-wallet",
  "solana-sdk",
  "tempfile",
@@ -5378,7 +5377,6 @@ dependencies = [
  "chrono",
  "clap 3.2.23",
  "rpassword",
- "solana-perf",
  "solana-remote-wallet",
  "solana-sdk",
  "solana-zk-token-sdk",

clap-utils/Cargo.toml

@@ -13,7 +13,6 @@ edition = { workspace = true }
 chrono = { workspace = true, features = ["default"] }
 clap = "2.33.0"
 rpassword = { workspace = true }
-solana-perf = { workspace = true }
 solana-remote-wallet = { workspace = true }
 solana-sdk = { workspace = true }
 thiserror = { workspace = true }

clap-utils/src/input_validators.rs

@@ -393,25 +393,6 @@ where
     }
 }
 
-pub fn is_niceness_adjustment_valid<T>(value: T) -> Result<(), String>
-where
-    T: AsRef<str> + Display,
-{
-    let adjustment = value
-        .as_ref()
-        .parse::<i8>()
-        .map_err(|err| format!("error parsing niceness adjustment value '{value}': {err}"))?;
-    if solana_perf::thread::is_renice_allowed(adjustment) {
-        Ok(())
-    } else {
-        Err(String::from(
-            "niceness adjustment supported only on Linux; negative adjustment \
-             (priority increase) requires root or CAP_SYS_NICE (see `man 7 capabilities` \
-             for details)",
-        ))
-    }
-}
-
 pub fn validate_maximum_full_snapshot_archives_to_retain<T>(value: T) -> Result<(), String>
 where
     T: AsRef<str> + Display,
@@ -456,11 +437,4 @@ mod tests {
         assert!(is_derivation("a/b").is_err());
         assert!(is_derivation("0/4294967296").is_err());
     }
-
-    #[test]
-    fn test_is_niceness_adjustment_valid() {
-        assert_eq!(is_niceness_adjustment_valid("0"), Ok(()));
-        assert!(is_niceness_adjustment_valid("128").is_err());
-        assert!(is_niceness_adjustment_valid("-129").is_err());
-    }
 }

clap-v3-utils/Cargo.toml

@@ -13,7 +13,6 @@ edition = { workspace = true }
 chrono = { workspace = true, features = ["default"] }
 clap = { version = "3.2.23", features = ["cargo"] }
 rpassword = { workspace = true }
-solana-perf = { workspace = true }
 solana-remote-wallet = { workspace = true }
 solana-sdk = { workspace = true }
 solana-zk-token-sdk = { workspace = true }

clap-v3-utils/src/input_validators.rs

@@ -387,25 +387,6 @@ where
     }
 }
 
-pub fn is_niceness_adjustment_valid<T>(value: T) -> Result<(), String>
-where
-    T: AsRef<str> + Display,
-{
-    let adjustment = value
-        .as_ref()
-        .parse::<i8>()
-        .map_err(|err| format!("error parsing niceness adjustment value '{value}': {err}"))?;
-    if solana_perf::thread::is_renice_allowed(adjustment) {
-        Ok(())
-    } else {
-        Err(String::from(
-            "niceness adjustment supported only on Linux; negative adjustment \
-             (priority increase) requires root or CAP_SYS_NICE (see `man 7 capabilities` \
-             for details)",
-        ))
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;
@@ -422,11 +403,4 @@ mod tests {
         assert!(is_derivation("a/b").is_err());
         assert!(is_derivation("0/4294967296").is_err());
     }
-
-    #[test]
-    fn test_is_niceness_adjustment_valid() {
-        assert_eq!(is_niceness_adjustment_valid("0"), Ok(()));
-        assert!(is_niceness_adjustment_valid("128").is_err());
-        assert!(is_niceness_adjustment_valid("-129").is_err());
-    }
 }

perf/src/thread.rs

@@ -1,3 +1,5 @@
+use std::fmt::Display;
+
 /// Wrapper for `nice(3)`.
 #[cfg(target_os = "linux")]
 fn nice(adjustment: i8) -> Result<i8, nix::errno::Errno> {
@@ -67,6 +69,25 @@ pub fn is_renice_allowed(adjustment: i8) -> bool {
     adjustment == 0
 }
 
+pub fn is_niceness_adjustment_valid<T>(value: T) -> Result<(), String>
+where
+    T: AsRef<str> + Display,
+{
+    let adjustment = value
+        .as_ref()
+        .parse::<i8>()
+        .map_err(|err| format!("error parsing niceness adjustment value '{value}': {err}"))?;
+    if is_renice_allowed(adjustment) {
+        Ok(())
+    } else {
+        Err(String::from(
+            "niceness adjustment supported only on Linux; negative adjustment \
+             (priority increase) requires root or CAP_SYS_NICE (see `man 7 capabilities` \
+             for details)",
+        ))
+    }
+}
+
 #[cfg(test)]
 mod tests {
     #[cfg(target_os = "linux")]
@@ -101,4 +122,11 @@ mod tests {
             assert!(result.is_err());
         }
     }
+
+    #[test]
+    fn test_is_niceness_adjustment_valid() {
+        assert_eq!(is_niceness_adjustment_valid("0"), Ok(()));
+        assert!(is_niceness_adjustment_valid("128").is_err());
+        assert!(is_niceness_adjustment_valid("-129").is_err());
+    }
 }

programs/sbf/Cargo.lock

@@ -4613,7 +4613,6 @@ dependencies = [
  "chrono",
  "clap 2.33.3",
  "rpassword",
- "solana-perf",
  "solana-remote-wallet",
  "solana-sdk",
  "thiserror",

validator/src/cli.rs

@@ -6,9 +6,8 @@ use {
     solana_clap_utils::{
         hidden_unless_forced,
         input_validators::{
-            is_keypair, is_keypair_or_ask_keyword, is_niceness_adjustment_valid, is_parsable,
-            is_pow2, is_pubkey, is_pubkey_or_keypair, is_slot, is_url_or_moniker,
-            is_valid_percentage, is_within_range,
+            is_keypair, is_keypair_or_ask_keyword, is_parsable, is_pow2, is_pubkey,
+            is_pubkey_or_keypair, is_slot, is_url_or_moniker, is_valid_percentage, is_within_range,
             validate_maximum_full_snapshot_archives_to_retain,
             validate_maximum_incremental_snapshot_archives_to_retain,
         },
@@ -485,7 +484,7 @@ pub fn app<'a>(version: &'a str, default_args: &'a DefaultArgs) -> App<'a, 'a> {
                 .long("snapshot-packager-niceness-adjustment")
                 .value_name("ADJUSTMENT")
                 .takes_value(true)
-                .validator(is_niceness_adjustment_valid)
+                .validator(solana_perf::thread::is_niceness_adjustment_valid)
                 .default_value(&default_args.snapshot_packager_niceness_adjustment)
                 .help("Add this value to niceness of snapshot packager thread. Negative value \
                       increases priority, positive value decreases priority.")
@@ -840,7 +839,7 @@ pub fn app<'a>(version: &'a str, default_args: &'a DefaultArgs) -> App<'a, 'a> {
                 .long("rpc-niceness-adjustment")
                 .value_name("ADJUSTMENT")
                 .takes_value(true)
-                .validator(is_niceness_adjustment_valid)
+                .validator(solana_perf::thread::is_niceness_adjustment_valid)
                 .default_value(&default_args.rpc_niceness_adjustment)
                 .help("Add this value to niceness of RPC threads. Negative value \
                       increases priority, positive value decreases priority.")