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
-13
View File
@@ -110,7 +110,6 @@ import (
//go:cgo_import_dynamic libc_setpriority setpriority "libc.so"
//go:cgo_import_dynamic libc_setregid setregid "libc.so"
//go:cgo_import_dynamic libc_setreuid setreuid "libc.so"
//go:cgo_import_dynamic libc_setrlimit setrlimit "libc.so"
//go:cgo_import_dynamic libc_setsid setsid "libc.so"
//go:cgo_import_dynamic libc_setuid setuid "libc.so"
//go:cgo_import_dynamic libc_shutdown shutdown "libsocket.so"
@@ -250,7 +249,6 @@ import (
//go:linkname procSetpriority libc_setpriority
//go:linkname procSetregid libc_setregid
//go:linkname procSetreuid libc_setreuid
//go:linkname procSetrlimit libc_setrlimit
//go:linkname procSetsid libc_setsid
//go:linkname procSetuid libc_setuid
//go:linkname procshutdown libc_shutdown
@@ -391,7 +389,6 @@ var (
procSetpriority,
procSetregid,
procSetreuid,
procSetrlimit,
procSetsid,
procSetuid,
procshutdown,
@@ -1650,16 +1647,6 @@ func Setreuid(ruid int, euid int) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Setrlimit(which int, lim *Rlimit) (err error) {
_, _, e1 := rawSysvicall6(uintptr(unsafe.Pointer(&procSetrlimit)), 2, uintptr(which), uintptr(unsafe.Pointer(lim)), 0, 0, 0, 0)
if e1 != 0 {
err = e1
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Setsid() (pid int, err error) {
r0, _, e1 := rawSysvicall6(uintptr(unsafe.Pointer(&procSetsid)), 0, 0, 0, 0, 0, 0, 0)
pid = int(r0)