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cef4ec347fb2df128bdca6235529dda8baca4b4d
Commit Graph
17 Commits
Author SHA1 Message Date
Mike Yuan a842c26be3 pidfd-util: extract pidfd_get_inode_id_impl() and make it thread safe 
Preparation for later commits.
 2025-06-05 00:28:01 +02:00
Mike Yuan e09b7ced65 pidfd-util: open an internal pidfd if none is passed in pidfd_check_pidfs() 
I'd like to introduce a libsystemd helper for acquiring pidfd
inode id, which however means the fd passed to pidfd_check_pidfs()
can no longer be trusted. Let's add back the logic of allocating
a genuine pidfd allocated internally, which was remove in
5dc9d5b4ea.
 2025-06-05 00:28:01 +02:00
Daan De Meyer 0c15577abe basic + fundamental: Clean up includes 
Split out of #37344.
 2025-05-25 10:06:07 +02:00
Jan Vaclav b900a8d827 pidfd-util: avoid alignment warning when accessing f_handle 2025-05-20 12:07:43 +02:00
Mike Yuan d2c4df9e48 pidfd-util: use get_proc_field() for pidfd_get_pid_fdinfo() 2025-05-01 13:10:26 +09:00
Daan De Meyer 93a1f7921a basic: Stop including log.h in macro.h 
Now that the necessary functions from log.h have been moved to macro.h,
we can stop including log.h in macro.h. This requires modifying source
files all over the tree to include log.h instead.
 2025-04-18 14:19:15 +02:00
Yu Watanabe e75372958d missing_threads.h: threads.h exists since glibc-2.28 2025-03-04 02:24:49 +09:00
Mike Yuan 9c039ef5ff pidfd-util: preferably acquire pidfd inode id through name_to_handle_at() 
See rationales described in kernel commit:
https://github.com/torvalds/linux/commit/b3caba8f7a34a2bbaf45ffc6ff3a49b70afeb192
 2025-01-22 21:41:44 +01:00
Lennart Poettering afede53ae9 pidfd-util: add helper for getting our own pidfdid 
let's start caching our own pidfd id, since it's somewhat involved to
get but a much better identifier for things than the classic PID is.
 2025-01-20 21:51:29 +01:00
Lennart Poettering 5dc9d5b4ea pidfd-util: dont open a new pidfd unnecessarily in pidfd_check_pidfs() 2025-01-20 21:49:38 +01:00
Mike Yuan 6e14c46bac tree-wide: drop support for kernels without pidfd_open() and pidfd_send_signal() 
Our baseline is v5.4 now.
 2025-01-12 00:01:07 +01:00
Mike Yuan 47f64104d1 process-util: port pidref_get_uid() and pidref_is_my_child() to pidfd helpers 2025-01-04 17:48:22 +01:00
Mike Yuan 85e7bbfaa4 pidfd-util: introduce pidfd_get_{ppid,uid,cgroupid} which goes via PIDFD_GET_INFO too 2025-01-04 17:08:01 +01:00
Mike Yuan dcf0ef3f42 pidfd-util: try to translate pidfd -> pid through ioctl(PIDFD_GET_INFO) 2025-01-04 17:08:01 +01:00
Mike Yuan 72661e0091 pidfd-util: introduce helper for obtaining ns fd using PIDFD_GET_*_NAMESPACE directly 2025-01-04 17:07:59 +01:00
Mike Yuan 2fa42318c3 pidref: move generic pidfd_get_inode_id() to pidfd-util 
Prompted by https://github.com/systemd/systemd/pull/35224/commits/221d6e54c60389f26c2c79dbfa4e83204d2775d7

Also generalize pidfd_check_pidfs() and expose have_pidfs for later use.
 2025-01-04 17:07:58 +01:00
Mike Yuan b234026d09 process-util: extract pidfd-related funcs into pidfd-util.[ch] 2025-01-04 16:58:13 +01:00