// which Go of course has no choice but to respect.
func init() {
	var lim Rlimit
	if err := Getrlimit(RLIMIT_NOFILE, &lim); err == nil && lim.Cur != lim.Max {
		origRlimitNofile.Store(&lim)
		nlim := lim
		nlim.Cur = nlim.Max
		adjustFileLimit(&nlim)
		setrlimit(RLIMIT_NOFILE, &nlim)
	}
}

func Setrlimit(resource int, rlim *Rlimit) error {
	if resource == RLIMIT_NOFILE {

//go:cgo_import_dynamic readlink readlink ""
//go:cgo_import_dynamic realpath$DARWIN_EXTSN realpath$DARWIN_EXTSN ""
//go:cgo_import_dynamic rename rename ""
//go:cgo_import_dynamic sched_yield sched_yield ""
//go:cgo_import_dynamic setrlimit setrlimit ""
//go:cgo_import_dynamic sigaction sigaction ""
//go:cgo_import_dynamic stat$INODE64 stat$INODE64 ""
//go:cgo_import_dynamic sysconf sysconf ""
//go:cgo_import_dynamic sysctl sysctl ""

//go:cgo_import_dynamic readlink readlink ""
//go:cgo_import_dynamic realpath$DARWIN_EXTSN realpath$DARWIN_EXTSN ""
//go:cgo_import_dynamic rename rename ""
//go:cgo_import_dynamic sched_yield sched_yield ""
//go:cgo_import_dynamic setrlimit setrlimit ""
//go:cgo_import_dynamic sigaction sigaction ""
//go:cgo_import_dynamic stat stat ""
//go:cgo_import_dynamic sysconf sysconf ""
//go:cgo_import_dynamic sysctl sysctl ""

limitations under the License.
*/

package rlimit

import (
	"errors"
)

// SetNumFiles sets the rlimit for the maximum open files.
func SetNumFiles(maxOpenFiles uint64) error {
	return errors.New("SetRLimit unsupported in this platform")

//go:build darwin

package syscall

// adjustFileLimit adds per-OS limitations on the Rlimit used for RLIMIT_NOFILE. See rlimit.go.
func adjustFileLimit(lim *Rlimit) {
	// On older macOS, setrlimit(RLIMIT_NOFILE, lim) with lim.Cur = infinity fails.
	// Set to the value of kern.maxfilesperproc instead.
	n, err := SysctlUint32("kern.maxfilesperproc")
	if err != nil {
		return
	}
	if lim.Cur > uint64(n) {

package app

import "golang.org/x/sys/unix"

func raiseFileLimits() (uint64, error) {
	rlimit := unix.Rlimit{}
	if err := unix.Getrlimit(unix.RLIMIT_NOFILE, &rlimit); err != nil {
		return 0, err
	}
	rlimit.Cur = rlimit.Max
	if err := unix.Setrlimit(unix.RLIMIT_NOFILE, &rlimit); err != nil {
		return 0, err
	}

	return rlimit.Cur, nil

}

// Getrlimit prefers the prlimit64 system call. See issue 38604.
func Getrlimit(resource int, rlim *Rlimit) error {
	err := prlimit(0, resource, nil, rlim)
	if err != ENOSYS {
		return err
	}
	return getrlimit(resource, rlim)
}

// setrlimit prefers the prlimit64 system call. See issue 38604.
func setrlimit(resource int, rlim *Rlimit) error {

limitations under the License.
*/

package rlimit

import (
	"golang.org/x/sys/unix"
)

// SetNumFiles sets the linux rlimit for the maximum open files.
func SetNumFiles(maxOpenFiles uint64) error {
	return unix.Setrlimit(unix.RLIMIT_NOFILE, &unix.Rlimit{Max: maxOpenFiles, Cur: maxOpenFiles})

//go:cgo_import_dynamic libc_ioctl ioctl "libc.so"
//go:cgo_import_dynamic libc_setgid setgid "libc.so"
//go:cgo_import_dynamic libc_setgroups setgroups "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_setpgid setpgid "libc.so"
//go:cgo_import_dynamic libc_syscall syscall "libc.so"

	}
	return utimensat(_AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0)
}

// Getrlimit prefers the prlimit64 system call.
func Getrlimit(resource int, rlim *Rlimit) error {
	return prlimit(0, resource, nil, rlim)
}

// setrlimit prefers the prlimit64 system call.
func setrlimit(resource int, rlim *Rlimit) error {
	return prlimit(0, resource, rlim, nil)
}

//go:nosplit