unix: change Setrlimit/Prlimit to always call syscall functions

As of Go 1.21 syscall.Setrlimit and syscall.prlimit can affect
starting a new process, by restoring the original NOFILE rlimit.
That is recorded locally in the syscall package, so just always
call the syscall functions.

For golang/go#46279

Change-Id: I2f3dafe5562a7dde1297bad6f5d34a80af5d620b
Reviewed-on: https://go-review.googlesource.com/c/sys/+/476695
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Bryan Mills <bcmills@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
This commit is contained in:
Ian Lance Taylor
2023-03-15 21:12:13 +00:00
committed by Gopher Robot
parent 494aa493cc
commit ff18efa0a3
72 changed files with 17 additions and 618 deletions
-10
View File
@@ -624,16 +624,6 @@ func getrlimit(resource int, rlim *rlimit32) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func setrlimit(resource int, rlim *rlimit32) (err error) {
_, _, e1 := RawSyscall(SYS_SETRLIMIT, uintptr(resource), uintptr(unsafe.Pointer(rlim)), 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func syncFileRange2(fd int, flags int, off int64, n int64) (err error) {
_, _, e1 := Syscall6(SYS_SYNC_FILE_RANGE2, uintptr(fd), uintptr(flags), uintptr(off>>32), uintptr(off), uintptr(n>>32), uintptr(n))
if e1 != 0 {