ece8a48181
Optimize change proxy Optimize network check Fix fallback issues Optimize lots of details
43 lines
614 B
Go
43 lines
614 B
Go
//go:build android && cgo
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package platform
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import "syscall"
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var nullFd int
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var maxFdCount int
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func init() {
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fd, err := syscall.Open("/dev/null", syscall.O_WRONLY, 0644)
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if err != nil {
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panic(err.Error())
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}
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nullFd = fd
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var limit syscall.Rlimit
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if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &limit); err != nil {
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maxFdCount = 1024
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} else {
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maxFdCount = int(limit.Cur)
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}
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maxFdCount = maxFdCount / 4 * 3
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}
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func ShouldBlockConnection() bool {
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fd, err := syscall.Dup(nullFd)
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if err != nil {
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return true
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}
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_ = syscall.Close(fd)
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if fd > maxFdCount {
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return true
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}
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return false
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}
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