Merge pull request #3716 from ethcore/fdlimit
Use fdlimit utility crate from crates.io
This commit is contained in:
Gav Wood
GitHub
commit
d708922d29
6
Cargo.lock
generated
6
Cargo.lock
generated
@ -24,7 +24,7 @@ dependencies = [
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"ethcore-stratum 1.4.0",
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"ethcore-util 1.5.0",
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"ethsync 1.5.0",
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"fdlimit 0.1.0",
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"fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"hyper 0.9.10 (registry+https://github.com/rust-lang/crates.io-index)",
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"isatty 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"lazy_static 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
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@ -684,7 +684,8 @@ dependencies = [
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[[package]]
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name = "fdlimit"
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version = "0.1.0"
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version = "0.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"libc 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -2027,6 +2028,7 @@ dependencies = [
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"checksum env_logger 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "aba65b63ffcc17ffacd6cf5aa843da7c5a25e3bd4bbe0b7def8b214e411250e5"
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"checksum eth-secp256k1 0.5.4 (git+https://github.com/ethcore/rust-secp256k1)" = "<none>"
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"checksum ethabi 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f7b0c53453517f620847be51943db329276ae52f2e210cfc659e81182864be2f"
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"checksum fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b1ee15a7050e5580b3712877157068ea713b245b080ff302ae2ca973cfcd9baa"
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"checksum flate2 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "3eeb481e957304178d2e782f2da1257f1434dfecbae883bafb61ada2a9fea3bb"
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"checksum gcc 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)" = "91ecd03771effb0c968fd6950b37e89476a578aaf1c70297d8e92b6516ec3312"
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"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"
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serde_json = "0.8.0"
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hyper = { version = "0.9", default-features = false }
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ctrlc = { git = "https://github.com/ethcore/rust-ctrlc.git" }
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fdlimit = { path = "util/fdlimit" }
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fdlimit = "0.1"
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ethcore = { path = "ethcore" }
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ethcore-util = { path = "util" }
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ethsync = { path = "sync" }
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@ -1,10 +0,0 @@
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[package]
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description = "Utility function to raise file descriptor limit on OS X"
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homepage = "http://ethcore.io"
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license = "GPL-3.0"
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name = "fdlimit"
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version = "0.1.0"
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authors = ["Ethcore <admin@ethcore.io>"]
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[dependencies]
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libc = "0.2"
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@ -1,19 +0,0 @@
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// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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//
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Parity is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.extern crate libc;
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extern crate libc;
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mod raise_fd_limit;
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pub use raise_fd_limit::raise_fd_limit;
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@ -1,88 +0,0 @@
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// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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/// darwin_fd_limit exists to work around an issue where launchctl on Mac OS X
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/// defaults the rlimit maxfiles to 256/unlimited. The default soft limit of 256
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/// ends up being far too low for our multithreaded scheduler testing, depending
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/// on the number of cores available.
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///
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#[cfg(any(target_os = "macos", target_os = "ios"))]
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#[allow(non_camel_case_types)]
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pub fn raise_fd_limit() {
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use libc;
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use std::cmp;
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use std::io;
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use std::mem::size_of_val;
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use std::ptr::null_mut;
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unsafe {
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static CTL_KERN: libc::c_int = 1;
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static KERN_MAXFILESPERPROC: libc::c_int = 29;
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// The strategy here is to fetch the current resource limits, read the
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// kern.maxfilesperproc sysctl value, and bump the soft resource limit for
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// maxfiles up to the sysctl value.
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// Fetch the kern.maxfilesperproc value
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let mut mib: [libc::c_int; 2] = [CTL_KERN, KERN_MAXFILESPERPROC];
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let mut maxfiles: libc::c_int = 0;
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let mut size: libc::size_t = size_of_val(&maxfiles) as libc::size_t;
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if libc::sysctl(&mut mib[0], 2, &mut maxfiles as *mut _ as *mut _, &mut size,
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null_mut(), 0) != 0 {
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let err = io::Error::last_os_error();
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panic!("raise_fd_limit: error calling sysctl: {}", err);
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}
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// Fetch the current resource limits
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let mut rlim = libc::rlimit{rlim_cur: 0, rlim_max: 0};
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if libc::getrlimit(libc::RLIMIT_NOFILE, &mut rlim) != 0 {
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let err = io::Error::last_os_error();
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panic!("raise_fd_limit: error calling getrlimit: {}", err);
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}
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// Bump the soft limit to the smaller of kern.maxfilesperproc and the hard
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// limit
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rlim.rlim_cur = cmp::min(maxfiles as libc::rlim_t, rlim.rlim_max);
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// Set our newly-increased resource limit
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if libc::setrlimit(libc::RLIMIT_NOFILE, &rlim) != 0 {
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let err = io::Error::last_os_error();
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panic!("raise_fd_limit: error calling setrlimit: {}", err);
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}
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}
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}
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#[cfg(any(target_os = "linux"))]
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#[allow(non_camel_case_types)]
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pub fn raise_fd_limit() {
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use libc;
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use std::io;
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unsafe {
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// Fetch the current resource limits
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let mut rlim = libc::rlimit{rlim_cur: 0, rlim_max: 0};
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if libc::getrlimit(libc::RLIMIT_NOFILE, &mut rlim) != 0 {
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let err = io::Error::last_os_error();
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panic!("raise_fd_limit: error calling getrlimit: {}", err);
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}
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// Set soft limit to hard imit
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rlim.rlim_cur = rlim.rlim_max;
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// Set our newly-increased resource limit
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if libc::setrlimit(libc::RLIMIT_NOFILE, &rlim) != 0 {
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let err = io::Error::last_os_error();
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panic!("raise_fd_limit: error calling setrlimit: {}", err);
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}
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}
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}
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#[cfg(not(any(target_os = "macos", target_os = "ios", target_os = "linux")))]
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pub fn raise_fd_limit() {}
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