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Diffstat (limited to 'vendor/rustix/src/thread/id.rs')
| -rw-r--r-- | vendor/rustix/src/thread/id.rs | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/vendor/rustix/src/thread/id.rs b/vendor/rustix/src/thread/id.rs new file mode 100644 index 0000000..11193c9 --- /dev/null +++ b/vendor/rustix/src/thread/id.rs @@ -0,0 +1,115 @@ +use crate::{backend, io}; + +pub use crate::pid::{Pid, RawPid}; +pub use crate::ugid::{Gid, RawGid, RawUid, Uid}; + +/// `gettid()`—Returns the thread ID. +/// +/// This returns the OS thread ID, which is not necessarily the same as the +/// `rust::thread::Thread::id` or the pthread ID. +/// +/// # References +/// - [Linux] +/// +/// [Linux]: https://man7.org/linux/man-pages/man2/gettid.2.html +#[inline] +#[must_use] +pub fn gettid() -> Pid { + backend::thread::syscalls::gettid() +} + +/// `setuid(uid)` +/// +/// # Warning +/// +/// This is not the setxid you are looking for… POSIX requires xids to be +/// process granular, but on Linux they are per-thread. Thus, this call only +/// changes the xid for the current *thread*, not the entire process even +/// though that is in violation of the POSIX standard. +/// +/// For details on this distinction, see the C library vs. kernel differences +/// in the [manual page][linux_notes]. This call implements the kernel +/// behavior. +/// +/// # References +/// - [POSIX] +/// - [Linux] +/// +/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/setuid.html +/// [Linux]: https://man7.org/linux/man-pages/man2/setuid.2.html +/// [linux_notes]: https://man7.org/linux/man-pages/man2/setuid.2.html#NOTES +#[inline] +pub fn set_thread_uid(uid: Uid) -> io::Result<()> { + backend::thread::syscalls::setuid_thread(uid) +} + +/// `setresuid(ruid, euid, suid)` +/// +/// # Warning +/// +/// This is not the setresxid you are looking for… POSIX requires xids to be +/// process granular, but on Linux they are per-thread. Thus, this call only +/// changes the xid for the current *thread*, not the entire process even +/// though that is in violation of the POSIX standard. +/// +/// For details on this distinction, see the C library vs. kernel differences +/// in the [manual page][linux_notes] and the notes in [`set_thread_uid`]. This +/// call implements the kernel behavior. +/// +/// # References +/// - [Linux] +/// +/// [Linux]: https://man7.org/linux/man-pages/man2/setresuid.2.html +/// [linux_notes]: https://man7.org/linux/man-pages/man2/setresuid.2.html#NOTES +#[inline] +pub fn set_thread_res_uid(ruid: Uid, euid: Uid, suid: Uid) -> io::Result<()> { + backend::thread::syscalls::setresuid_thread(ruid, euid, suid) +} + +/// `setgid(gid)` +/// +/// # Warning +/// +/// This is not the setxid you are looking for… POSIX requires xids to be +/// process granular, but on Linux they are per-thread. Thus, this call only +/// changes the xid for the current *thread*, not the entire process even +/// though that is in violation of the POSIX standard. +/// +/// For details on this distinction, see the C library vs. kernel differences +/// in the [manual page][linux_notes]. This call implements the kernel +/// behavior. +/// +/// # References +/// - [POSIX] +/// - [Linux] +/// +/// [POSIX]: https://pubs.opengroup.org/onlinepubs/9699919799/functions/setgid.html +/// [Linux]: https://man7.org/linux/man-pages/man2/setgid.2.html +/// [linux_notes]: https://man7.org/linux/man-pages/man2/setgid.2.html#NOTES +#[inline] +pub fn set_thread_gid(gid: Gid) -> io::Result<()> { + backend::thread::syscalls::setgid_thread(gid) +} + +/// `setresgid(rgid, egid, sgid)` +/// +/// # Warning +/// +/// This is not the setresxid you are looking for… POSIX requires xids to be +/// process granular, but on Linux they are per-thread. Thus, this call only +/// changes the xid for the current *thread*, not the entire process even +/// though that is in violation of the POSIX standard. +/// +/// For details on this distinction, see the C library vs. kernel differences +/// in the [manual page][linux_notes] and the notes in [`set_thread_gid`]. This +/// call implements the kernel behavior. +/// +/// # References +/// - [Linux] +/// +/// [Linux]: https://man7.org/linux/man-pages/man2/setresgid.2.html +/// [linux_notes]: https://man7.org/linux/man-pages/man2/setresgid.2.html#NOTES +#[inline] +pub fn set_thread_res_gid(rgid: Gid, egid: Gid, sgid: Gid) -> io::Result<()> { + backend::thread::syscalls::setresgid_thread(rgid, egid, sgid) +} |