sysinfo/
macros.rs
1#[cfg(feature = "debug")]
4#[doc(hidden)]
5#[allow(unused)]
6macro_rules! sysinfo_debug {
7 ($($x:tt)*) => {{
8 eprintln!($($x)*);
9 }}
10}
11
12#[cfg(not(feature = "debug"))]
13#[doc(hidden)]
14#[allow(unused)]
15macro_rules! sysinfo_debug {
16 ($($x:tt)*) => {{}};
17}
18
19macro_rules! declare_signals {
20 ($kind:ty, _ => None,) => (
21 use crate::Signal;
22
23 pub(crate) const fn supported_signals() -> &'static [Signal] {
24 &[]
25 }
26 );
27
28 ($kind:ty, $(Signal::$signal:ident => $map:expr,)+ _ => None,) => (
29 use crate::Signal;
30
31 pub(crate) const fn supported_signals() -> &'static [Signal] {
32 &[$(Signal::$signal,)*]
33 }
34
35 #[inline]
36 pub(crate) fn convert_signal(s: Signal) -> Option<$kind> {
37 match s {
38 $(Signal::$signal => Some($map),)*
39 _ => None,
40 }
41 }
42 );
43
44 ($kind:ty, $(Signal::$signal:ident => $map:expr,)+) => (
45 use crate::Signal;
46
47 pub(crate) const fn supported_signals() -> &'static [Signal] {
48 &[$(Signal::$signal,)*]
49 }
50
51 #[inline]
52 pub(crate) fn convert_signal(s: Signal) -> Option<$kind> {
53 match s {
54 $(Signal::$signal => Some($map),)*
55 }
56 }
57 )
58}
59
60#[cfg(all(unix, not(feature = "unknown-ci")))]
61macro_rules! retry_eintr {
62 (set_to_0 => $($t:tt)+) => {{
63 let errno = crate::libc_errno();
64 if !errno.is_null() {
65 *errno = 0;
66 }
67 retry_eintr!($($t)+)
68 }};
69 ($errno_value:ident => $($t:tt)+) => {{
70 loop {
71 let ret = $($t)+;
72 if ret < 0 {
73 let tmp = std::io::Error::last_os_error();
74 if tmp.kind() == std::io::ErrorKind::Interrupted {
75 continue;
76 }
77 $errno_value = tmp.raw_os_error().unwrap_or(0);
78 }
79 break ret;
80 }
81 }};
82 ($($t:tt)+) => {{
83 loop {
84 let ret = $($t)+;
85 if ret < 0 && std::io::Error::last_os_error().kind() == std::io::ErrorKind::Interrupted {
86 continue;
87 }
88 break ret;
89 }
90 }};
91}