]>
git.proxmox.com Git - rustc.git/blob - src/libstd/sys/unix/mod.rs
1 #![allow(missing_docs, nonstandard_style)]
3 use crate::io
::ErrorKind
;
5 #[cfg(any(doc, target_os = "linux"))] pub use crate::os::linux as platform;
7 #[cfg(all(not(doc), target_os = "android"))] pub use crate::os::android as platform;
8 #[cfg(all(not(doc), target_os = "dragonfly"))] pub use crate::os::dragonfly as platform;
9 #[cfg(all(not(doc), target_os = "freebsd"))] pub use crate::os::freebsd as platform;
10 #[cfg(all(not(doc), target_os = "haiku"))] pub use crate::os::haiku as platform;
11 #[cfg(all(not(doc), target_os = "ios"))] pub use crate::os::ios as platform;
12 #[cfg(all(not(doc), target_os = "macos"))] pub use crate::os::macos as platform;
13 #[cfg(all(not(doc), target_os = "netbsd"))] pub use crate::os::netbsd as platform;
14 #[cfg(all(not(doc), target_os = "openbsd"))] pub use crate::os::openbsd as platform;
15 #[cfg(all(not(doc), target_os = "solaris"))] pub use crate::os::solaris as platform;
16 #[cfg(all(not(doc), target_os = "emscripten"))] pub use crate::os::emscripten as platform;
17 #[cfg(all(not(doc), target_os = "fuchsia"))] pub use crate::os::fuchsia as platform;
18 #[cfg(all(not(doc), target_os = "l4re"))] pub use crate::os::linux as platform;
19 #[cfg(all(not(doc), target_os = "redox"))] pub use crate::os::redox as platform;
21 pub use self::rand
::hashmap_random_keys
;
34 pub mod fast_thread_local
;
40 #[cfg(not(target_os = "l4re"))]
42 #[cfg(target_os = "l4re")]
44 #[cfg(target_os = "l4re")]
45 pub use self::l4re
::net
;
52 pub mod stack_overflow
;
58 pub use crate::sys_common
::os_str_bytes
as os_str
;
62 // By default, some platforms will send a *signal* when an EPIPE error
63 // would otherwise be delivered. This runtime doesn't install a SIGPIPE
64 // handler, causing it to kill the program, which isn't exactly what we
67 // Hence, we set SIGPIPE to ignore when the program starts up in order
68 // to prevent this problem.
73 #[cfg(not(any(target_os = "emscripten", target_os = "fuchsia")))]
74 unsafe fn reset_sigpipe() {
75 assert
!(signal(libc
::SIGPIPE
, libc
::SIG_IGN
) != libc
::SIG_ERR
);
77 #[cfg(any(target_os = "emscripten", target_os = "fuchsia"))]
78 unsafe fn reset_sigpipe() {}
81 #[cfg(target_os = "android")]
82 pub use crate::sys
::android
::signal
;
83 #[cfg(not(target_os = "android"))]
86 pub fn decode_error_kind(errno
: i32) -> ErrorKind
{
87 match errno
as libc
::c_int
{
88 libc
::ECONNREFUSED
=> ErrorKind
::ConnectionRefused
,
89 libc
::ECONNRESET
=> ErrorKind
::ConnectionReset
,
90 libc
::EPERM
| libc
::EACCES
=> ErrorKind
::PermissionDenied
,
91 libc
::EPIPE
=> ErrorKind
::BrokenPipe
,
92 libc
::ENOTCONN
=> ErrorKind
::NotConnected
,
93 libc
::ECONNABORTED
=> ErrorKind
::ConnectionAborted
,
94 libc
::EADDRNOTAVAIL
=> ErrorKind
::AddrNotAvailable
,
95 libc
::EADDRINUSE
=> ErrorKind
::AddrInUse
,
96 libc
::ENOENT
=> ErrorKind
::NotFound
,
97 libc
::EINTR
=> ErrorKind
::Interrupted
,
98 libc
::EINVAL
=> ErrorKind
::InvalidInput
,
99 libc
::ETIMEDOUT
=> ErrorKind
::TimedOut
,
100 libc
::EEXIST
=> ErrorKind
::AlreadyExists
,
102 // These two constants can have the same value on some systems,
103 // but different values on others, so we can't use a match
105 x
if x
== libc
::EAGAIN
|| x
== libc
::EWOULDBLOCK
=>
106 ErrorKind
::WouldBlock
,
108 _
=> ErrorKind
::Other
,
113 pub trait IsMinusOne
{
114 fn is_minus_one(&self) -> bool
;
117 macro_rules
! impl_is_minus_one
{
118 ($
($t
:ident
)*) => ($
(impl IsMinusOne
for $t
{
119 fn is_minus_one(&self) -> bool
{
125 impl_is_minus_one
! { i8 i16 i32 i64 isize }
127 pub fn cvt
<T
: IsMinusOne
>(t
: T
) -> crate::io
::Result
<T
> {
128 if t
.is_minus_one() {
129 Err(crate::io
::Error
::last_os_error())
135 pub fn cvt_r
<T
, F
>(mut f
: F
) -> crate::io
::Result
<T
>
141 Err(ref e
) if e
.kind() == ErrorKind
::Interrupted
=> {}
142 other
=> return other
,
147 // On Unix-like platforms, libc::abort will unregister signal handlers
148 // including the SIGABRT handler, preventing the abort from being blocked, and
149 // fclose streams, with the side effect of flushing them so libc bufferred
150 // output will be printed. Additionally the shell will generally print a more
151 // understandable error message like "Abort trap" rather than "Illegal
152 // instruction" that intrinsics::abort would cause, as intrinsics::abort is
153 // implemented as an illegal instruction.
154 pub unsafe fn abort_internal() -> ! {