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
@@ -124,7 +124,6 @@ import (
//go:cgo_import_dynamic libc_getsystemcfg getsystemcfg "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_umount umount "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_getrlimit getrlimit "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_setrlimit setrlimit "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_lseek lseek "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_mmap64 mmap64 "libc.a/shr_64.o"
@@ -242,7 +241,6 @@ import (
//go:linkname libc_getsystemcfg libc_getsystemcfg
//go:linkname libc_umount libc_umount
//go:linkname libc_getrlimit libc_getrlimit
//go:linkname libc_setrlimit libc_setrlimit
//go:linkname libc_lseek libc_lseek
//go:linkname libc_mmap64 libc_mmap64
@@ -363,7 +361,6 @@ var (
libc_getsystemcfg,
libc_umount,
libc_getrlimit,
libc_setrlimit,
libc_lseek,
libc_mmap64 syscallFunc
)
@@ -1179,13 +1176,6 @@ func callgetrlimit(resource int, rlim uintptr) (r1 uintptr, e1 Errno) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func callsetrlimit(resource int, rlim uintptr) (r1 uintptr, e1 Errno) {
r1, _, e1 = rawSyscall6(uintptr(unsafe.Pointer(&libc_setrlimit)), 2, uintptr(resource), rlim, 0, 0, 0, 0)
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func calllseek(fd int, offset int64, whence int) (r1 uintptr, e1 Errno) {
r1, _, e1 = syscall6(uintptr(unsafe.Pointer(&libc_lseek)), 3, uintptr(fd), uintptr(offset), uintptr(whence), 0, 0, 0)
return