diff options
Diffstat (limited to 'vendor/rustix/src/backend/linux_raw/process/wait.rs')
| -rw-r--r-- | vendor/rustix/src/backend/linux_raw/process/wait.rs | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/vendor/rustix/src/backend/linux_raw/process/wait.rs b/vendor/rustix/src/backend/linux_raw/process/wait.rs deleted file mode 100644 index 89b3eadb..00000000 --- a/vendor/rustix/src/backend/linux_raw/process/wait.rs +++ /dev/null @@ -1,123 +0,0 @@ -// The functions replacing the C macros use the same names as in libc. -#![allow(non_snake_case, unsafe_code)] - -use crate::ffi::c_int; -pub(crate) use linux_raw_sys::general::{ - siginfo_t, WCONTINUED, WEXITED, WNOHANG, WNOWAIT, WSTOPPED, WUNTRACED, -}; - -#[inline] -pub(crate) fn WIFSTOPPED(status: i32) -> bool { - (status & 0xff) == 0x7f -} - -#[inline] -pub(crate) fn WSTOPSIG(status: i32) -> i32 { - (status >> 8) & 0xff -} - -#[inline] -pub(crate) fn WIFCONTINUED(status: i32) -> bool { - status == 0xffff -} - -#[inline] -pub(crate) fn WIFSIGNALED(status: i32) -> bool { - ((status & 0x7f) + 1) as i8 >= 2 -} - -#[inline] -pub(crate) fn WTERMSIG(status: i32) -> i32 { - status & 0x7f -} - -#[inline] -pub(crate) fn WIFEXITED(status: i32) -> bool { - (status & 0x7f) == 0 -} - -#[inline] -pub(crate) fn WEXITSTATUS(status: i32) -> i32 { - (status >> 8) & 0xff -} - -pub(crate) trait SiginfoExt { - fn si_signo(&self) -> c_int; - fn si_errno(&self) -> c_int; - fn si_code(&self) -> c_int; - unsafe fn si_status(&self) -> c_int; -} - -impl SiginfoExt for siginfo_t { - #[inline] - fn si_signo(&self) -> c_int { - // SAFETY: This is technically a union access, but it's only a union - // with padding. - unsafe { self.__bindgen_anon_1.__bindgen_anon_1.si_signo } - } - - #[inline] - fn si_errno(&self) -> c_int { - // SAFETY: This is technically a union access, but it's only a union - // with padding. - unsafe { self.__bindgen_anon_1.__bindgen_anon_1.si_errno } - } - - #[inline] - fn si_code(&self) -> c_int { - // SAFETY: This is technically a union access, but it's only a union - // with padding. - unsafe { self.__bindgen_anon_1.__bindgen_anon_1.si_code } - } - - /// Return the exit status or signal number recorded in a `siginfo_t`. - /// - /// # Safety - /// - /// `si_signo` must equal `SIGCHLD` (as it is guaranteed to do after a - /// `waitid` call). - #[inline] - unsafe fn si_status(&self) -> c_int { - self.__bindgen_anon_1 - .__bindgen_anon_1 - ._sifields - ._sigchld - ._status - } -} - -#[cfg(test)] -mod tests { - use super::*; - - #[test] - fn test_libc_correspondence() { - for status in [ - 0, - 1, - 63, - 64, - 65, - 127, - 128, - 129, - 255, - 256, - 257, - 4095, - 4096, - 4097, - i32::MAX, - i32::MIN, - u32::MAX as i32, - ] { - assert_eq!(WIFSTOPPED(status), libc::WIFSTOPPED(status)); - assert_eq!(WSTOPSIG(status), libc::WSTOPSIG(status)); - assert_eq!(WIFCONTINUED(status), libc::WIFCONTINUED(status)); - assert_eq!(WIFSIGNALED(status), libc::WIFSIGNALED(status)); - assert_eq!(WTERMSIG(status), libc::WTERMSIG(status)); - assert_eq!(WIFEXITED(status), libc::WIFEXITED(status)); - assert_eq!(WEXITSTATUS(status), libc::WEXITSTATUS(status)); - } - } -} |
