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unix: add SchedSetAttr and SchedGetAttr for Linux

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Add wrappers for sched_getattr(2) and sched_setattr(2), as well as
various SCHED_ values usable for these.

The kludge in linux/types.go is needed so we can include both
linux/sched/types.h (for struct sched_attr) and sched.h (for a few
defines from include/bits/cpu-set.h).

Unfortunately, they both define struct sched_param, thus the need to
mask one of the definitions.

Change-Id: I3e13cf49ccef7ae81a75d33826d18de84a52106d
Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
Reviewed-on: https://go-review.googlesource.com/c/sys/+/516756
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Michael Knyszek <mknyszek@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
This commit is contained in:
Kir Kolyshkin
2023-08-09 15:08:02 +00:00
committed by Gopher Robot
parent 60ecf13377
commit ee578879d8
6 changed files with 85 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
unix/zsyscall_linux.go
+20
View File
@@ -2197,3 +2197,23 @@ func getresgid(rgid *_C_int, egid *_C_int, sgid *_C_int) {
RawSyscallNoError(SYS_GETRESGID, uintptr(unsafe.Pointer(rgid)), uintptr(unsafe.Pointer(egid)), uintptr(unsafe.Pointer(sgid)))
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func schedSetattr(pid int, attr *SchedAttr, flags uint) (err error) {
_, _, e1 := Syscall(SYS_SCHED_SETATTR, uintptr(pid), uintptr(unsafe.Pointer(attr)), uintptr(flags))
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func schedGetattr(pid int, attr *SchedAttr, size uint, flags uint) (err error) {
_, _, e1 := Syscall6(SYS_SCHED_GETATTR, uintptr(pid), uintptr(unsafe.Pointer(attr)), uintptr(size), uintptr(flags), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}