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unix: add PidfdSendSignal on Linux

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This completes the pidfd_* family of syscalls and adds a test to verify that a
child process can be terminated using the new PidfdSendSignal function.

Change-Id: I71f6a1e26518f513731e20afef02030462e9a2c0
Reviewed-on: https://go-review.googlesource.com/c/sys/+/393794
Trust: Matt Layher <mdlayher@gmail.com>
Run-TryBot: Matt Layher <mdlayher@gmail.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Matt Layher
2022-03-19 13:42:39 +00:00
parent 2edf467146
commit a9b59b0215
18 changed files with 162 additions and 0 deletions
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unix/syscall_linux.go
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@@ -2297,6 +2297,7 @@ type RemoteIovec struct {
//sys PidfdOpen(pid int, flags int) (fd int, err error) = SYS_PIDFD_OPEN
//sys PidfdGetfd(pidfd int, targetfd int, flags int) (fd int, err error) = SYS_PIDFD_GETFD
//sys PidfdSendSignal(pidfd int, sig Signal, info *Siginfo, flags int) (err error) = SYS_PIDFD_SEND_SIGNAL
//sys shmat(id int, addr uintptr, flag int) (ret uintptr, err error)
//sys shmctl(id int, cmd int, buf *SysvShmDesc) (result int, err error)