Merge pull request #3716 from ethcore/fdlimit

Use fdlimit utility crate from crates.io
This commit is contained in:
Gav Wood 2016-12-05 10:36:42 -08:00 committed by GitHub
commit d708922d29
5 changed files with 5 additions and 120 deletions

6
Cargo.lock generated
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@ -24,7 +24,7 @@ dependencies = [
"ethcore-stratum 1.4.0",
"ethcore-util 1.5.0",
"ethsync 1.5.0",
"fdlimit 0.1.0",
"fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
"hyper 0.9.10 (registry+https://github.com/rust-lang/crates.io-index)",
"isatty 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
"lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@ -684,7 +684,8 @@ dependencies = [
[[package]]
name = "fdlimit"
version = "0.1.0"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"libc 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -2027,6 +2028,7 @@ dependencies = [
"checksum env_logger 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "aba65b63ffcc17ffacd6cf5aa843da7c5a25e3bd4bbe0b7def8b214e411250e5"
"checksum eth-secp256k1 0.5.4 (git+https://github.com/ethcore/rust-secp256k1)" = "<none>"
"checksum ethabi 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f7b0c53453517f620847be51943db329276ae52f2e210cfc659e81182864be2f"
"checksum fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b1ee15a7050e5580b3712877157068ea713b245b080ff302ae2ca973cfcd9baa"
"checksum flate2 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "3eeb481e957304178d2e782f2da1257f1434dfecbae883bafb61ada2a9fea3bb"
"checksum gcc 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)" = "91ecd03771effb0c968fd6950b37e89476a578aaf1c70297d8e92b6516ec3312"
"checksum glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"

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@ -30,7 +30,7 @@ serde = "0.8.0"
serde_json = "0.8.0"
hyper = { version = "0.9", default-features = false }
ctrlc = { git = "https://github.com/ethcore/rust-ctrlc.git" }
fdlimit = { path = "util/fdlimit" }
fdlimit = "0.1"
ethcore = { path = "ethcore" }
ethcore-util = { path = "util" }
ethsync = { path = "sync" }

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@ -1,10 +0,0 @@
[package]
description = "Utility function to raise file descriptor limit on OS X"
homepage = "http://ethcore.io"
license = "GPL-3.0"
name = "fdlimit"
version = "0.1.0"
authors = ["Ethcore <admin@ethcore.io>"]
[dependencies]
libc = "0.2"

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@ -1,19 +0,0 @@
// Copyright 2015, 2016 Ethcore (UK) Ltd.
// This file is part of Parity.
//
// Parity is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Parity is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Parity. If not, see <http://www.gnu.org/licenses/>.extern crate libc;
extern crate libc;
mod raise_fd_limit;
pub use raise_fd_limit::raise_fd_limit;

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@ -1,88 +0,0 @@
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
// file at the top-level directory of this distribution and at
// http://rust-lang.org/COPYRIGHT.
//
// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
// option. This file may not be copied, modified, or distributed
// except according to those terms.
/// darwin_fd_limit exists to work around an issue where launchctl on Mac OS X
/// defaults the rlimit maxfiles to 256/unlimited. The default soft limit of 256
/// ends up being far too low for our multithreaded scheduler testing, depending
/// on the number of cores available.
///
#[cfg(any(target_os = "macos", target_os = "ios"))]
#[allow(non_camel_case_types)]
pub fn raise_fd_limit() {
use libc;
use std::cmp;
use std::io;
use std::mem::size_of_val;
use std::ptr::null_mut;
unsafe {
static CTL_KERN: libc::c_int = 1;
static KERN_MAXFILESPERPROC: libc::c_int = 29;
// The strategy here is to fetch the current resource limits, read the
// kern.maxfilesperproc sysctl value, and bump the soft resource limit for
// maxfiles up to the sysctl value.
// Fetch the kern.maxfilesperproc value
let mut mib: [libc::c_int; 2] = [CTL_KERN, KERN_MAXFILESPERPROC];
let mut maxfiles: libc::c_int = 0;
let mut size: libc::size_t = size_of_val(&maxfiles) as libc::size_t;
if libc::sysctl(&mut mib[0], 2, &mut maxfiles as *mut _ as *mut _, &mut size,
null_mut(), 0) != 0 {
let err = io::Error::last_os_error();
panic!("raise_fd_limit: error calling sysctl: {}", err);
}
// Fetch the current resource limits
let mut rlim = libc::rlimit{rlim_cur: 0, rlim_max: 0};
if libc::getrlimit(libc::RLIMIT_NOFILE, &mut rlim) != 0 {
let err = io::Error::last_os_error();
panic!("raise_fd_limit: error calling getrlimit: {}", err);
}
// Bump the soft limit to the smaller of kern.maxfilesperproc and the hard
// limit
rlim.rlim_cur = cmp::min(maxfiles as libc::rlim_t, rlim.rlim_max);
// Set our newly-increased resource limit
if libc::setrlimit(libc::RLIMIT_NOFILE, &rlim) != 0 {
let err = io::Error::last_os_error();
panic!("raise_fd_limit: error calling setrlimit: {}", err);
}
}
}
#[cfg(any(target_os = "linux"))]
#[allow(non_camel_case_types)]
pub fn raise_fd_limit() {
use libc;
use std::io;
unsafe {
// Fetch the current resource limits
let mut rlim = libc::rlimit{rlim_cur: 0, rlim_max: 0};
if libc::getrlimit(libc::RLIMIT_NOFILE, &mut rlim) != 0 {
let err = io::Error::last_os_error();
panic!("raise_fd_limit: error calling getrlimit: {}", err);
}
// Set soft limit to hard imit
rlim.rlim_cur = rlim.rlim_max;
// Set our newly-increased resource limit
if libc::setrlimit(libc::RLIMIT_NOFILE, &rlim) != 0 {
let err = io::Error::last_os_error();
panic!("raise_fd_limit: error calling setrlimit: {}", err);
}
}
}
#[cfg(not(any(target_os = "macos", target_os = "ios", target_os = "linux")))]
pub fn raise_fd_limit() {}