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Add cargo features #1197

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dd79021
Modified nix to use features, reducing compilation times and exposure…
vdagonneau Mar 19, 2020
5f59ef1
FIX: Added poll feature to the default features.
vdagonneau Mar 19, 2020
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50 changes: 49 additions & 1 deletion Cargo.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -19,7 +19,55 @@ exclude = [
libc = { version = "0.2.60", features = [ "extra_traits" ] }
bitflags = "1.1"
cfg-if = "0.1.10"
void = "1.0.2"
void = { version = "1.0.2", optional = true }

[features]
default = [
"inotify", "epoll", "socket", "ifaddrs", "ptrace", "pthread", "memfd",
"quota", "select", "reboot", "signal", "signalfd", "sendfile", "aio", "wait",
"mount", "ucontext", "utsname", "uio", "fcntl", "unistd", "pty", "features",
"dir", "env", "kmod", "mqueue", "net", "sched", "event", "eventfd", "ioctl",
"mman", "stat", "statfs", "statvfs", "termios", "time", "poll"
]
inotify = []
epoll = []
socket = ["ifaddrs", "uio", "time"]
ifaddrs = ["net"]
ptrace = []
pthread = []
memfd = []
quota = []
select = []
reboot = ["void"]
signal = []
signalfd = ["signal"]
sendfile = []
aio = ["signal"]
wait = ["signal"]
mount = []
ucontext = []
utsname = []
uio = ["unistd"]
fcntl = ["uio", "stat"]
unistd = ["void", "fcntl"]
pty = ["fcntl", "unistd"]
features = ["utsname"]
dir = []
env = []
kmod = []
mqueue = []
net = []
sched = []
event = []
eventfd = []
ioctl = []
mman = []
stat = ["time"]
statfs = []
statvfs = []
termios = []
time = []
poll = []

[target.'cfg(target_os = "dragonfly")'.build-dependencies]
cc = "1"
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39 changes: 27 additions & 12 deletions src/lib.rs
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Expand Up @@ -11,6 +11,7 @@
#![cfg_attr(test, deny(warnings))]
#![recursion_limit = "500"]
#![deny(unused)]
#![allow(unused_macros)]
#![deny(unstable_features)]
#![deny(missing_copy_implementations)]
#![deny(missing_debug_implementations)]
Expand All @@ -20,6 +21,7 @@
extern crate bitflags;
#[macro_use]
extern crate cfg_if;
#[cfg(any(feature = "unistd", feature = "reboot"))]
extern crate void;

// Re-exported external crates
Expand All @@ -29,47 +31,60 @@ pub extern crate libc;
#[macro_use] mod macros;

// Public crates
#[cfg(feature = "dir")]
pub mod dir;
#[cfg(feature = "env")]
pub mod env;
pub mod errno;
#[deny(missing_docs)]
#[cfg(feature = "features")]
pub mod features;
#[cfg(feature = "fcntl")]
pub mod fcntl;
#[deny(missing_docs)]
#[cfg(any(target_os = "android",
#[cfg(all(feature = "ifaddrs",
any(target_os = "android",
target_os = "dragonfly",
target_os = "freebsd",
target_os = "ios",
target_os = "linux",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd"))]
target_os = "openbsd")))]
pub mod ifaddrs;
#[cfg(any(target_os = "android",
target_os = "linux"))]
#[cfg(all(feature = "kmod",
any(target_os = "android",
target_os = "linux")))]
pub mod kmod;
#[cfg(any(target_os = "android",
target_os = "linux"))]
#[cfg(all(feature = "mount",
any(target_os = "android",
target_os = "linux")))]
pub mod mount;
#[cfg(any(target_os = "dragonfly",
target_os = "freebsd",
target_os = "fushsia",
target_os = "linux",
target_os = "netbsd"))]
#[cfg(all(feature = "mqueue",
any(target_os = "dragonfly",
target_os = "freebsd",
target_os = "fushsia",
target_os = "linux",
target_os = "netbsd")))]
pub mod mqueue;
#[deny(missing_docs)]
#[cfg(feature = "net")]
pub mod net;
#[deny(missing_docs)]
#[cfg(feature = "poll")]
pub mod poll;
#[deny(missing_docs)]
#[cfg(feature = "pty")]
pub mod pty;
#[cfg(feature = "sched")]
pub mod sched;
pub mod sys;
// This can be implemented for other platforms as soon as libc
// provides bindings for them.
#[cfg(all(target_os = "linux",
#[cfg(all(target_os = "linux", feature = "ucontext",
any(target_arch = "x86", target_arch = "x86_64")))]
pub mod ucontext;
#[cfg(feature = "unistd")]
pub mod unistd;

/*
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87 changes: 52 additions & 35 deletions src/sys/mod.rs
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Original file line number Diff line number Diff line change
@@ -1,100 +1,117 @@
#[cfg(any(target_os = "dragonfly",
#[cfg(all(feature = "aio",
any(target_os = "dragonfly",
target_os = "freebsd",
target_os = "ios",
target_os = "linux",
target_os = "macos",
target_os = "netbsd"))]
target_os = "netbsd")))]
pub mod aio;

#[cfg(any(target_os = "android", target_os = "linux"))]
#[cfg(all(feature = "epoll", any(target_os = "android", target_os = "linux")))]
pub mod epoll;

#[cfg(any(target_os = "dragonfly",
target_os = "freebsd",
target_os = "ios",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd"))]
#[cfg(all(feature = "event",
any(target_os = "dragonfly",
target_os = "freebsd",
target_os = "ios",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd")))]
pub mod event;

#[cfg(target_os = "linux")]
#[cfg(all(feature = "eventfd", target_os = "linux"))]
pub mod eventfd;

#[cfg(any(target_os = "android",
target_os = "dragonfly",
target_os = "freebsd",
target_os = "ios",
target_os = "linux",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd"))]
#[cfg(all(feature = "ioctl",
any(target_os = "android",
target_os = "dragonfly",
target_os = "freebsd",
target_os = "ios",
target_os = "linux",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd")))]
#[macro_use]
pub mod ioctl;

#[cfg(target_os = "linux")]
#[cfg(all(feature = "memfd", target_os = "linux"))]
pub mod memfd;

#[cfg(feature = "mman")]
pub mod mman;

#[cfg(feature = "pthread")]
pub mod pthread;

#[cfg(any(target_os = "android",
#[cfg(all(feature = "ptrace",
any(target_os = "android",
target_os = "dragonfly",
target_os = "freebsd",
target_os = "linux",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd"))]
target_os = "openbsd")))]
pub mod ptrace;

#[cfg(target_os = "linux")]
#[cfg(all(feature = "quota", target_os = "linux"))]
pub mod quota;

#[cfg(any(target_os = "linux"))]
#[cfg(all(feature = "reboot", target_os = "linux"))]
pub mod reboot;

#[cfg(feature = "select")]
pub mod select;

#[cfg(any(target_os = "android",
#[cfg(all(feature = "sendfile",
any(target_os = "android",
target_os = "freebsd",
target_os = "ios",
target_os = "linux",
target_os = "macos"))]
target_os = "macos")))]
pub mod sendfile;

#[cfg(feature = "signal")]
pub mod signal;

#[cfg(any(target_os = "android", target_os = "linux"))]
#[cfg(all(feature = "signalfd", any(target_os = "android", target_os = "linux")))]
pub mod signalfd;

#[cfg(feature = "socket")]
pub mod socket;

#[cfg(feature = "stat")]
pub mod stat;

#[cfg(any(target_os = "android",
target_os = "dragonfly",
target_os = "freebsd",
target_os = "ios",
target_os = "linux",
target_os = "macos",
target_os = "openbsd"
))]
#[cfg(all(feature = "statfs",
any(target_os = "android",
target_os = "dragonfly",
target_os = "freebsd",
target_os = "ios",
target_os = "linux",
target_os = "macos",
target_os = "openbsd")))]
pub mod statfs;

#[cfg(feature = "statvfs")]
pub mod statvfs;

#[cfg(any(target_os = "android", target_os = "linux"))]
pub mod sysinfo;

#[cfg(feature = "termios")]
pub mod termios;

#[cfg(feature = "time")]
pub mod time;

#[cfg(feature = "uio")]
pub mod uio;

#[cfg(feature = "utsname")]
pub mod utsname;

#[cfg(feature = "wait")]
pub mod wait;

#[cfg(any(target_os = "android", target_os = "linux"))]
#[cfg(all(feature = "inotify", any(target_os = "android", target_os = "linux")))]
pub mod inotify;