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net: don't assume that NOFILE rlimit fits in an int 

No test because a test requires a system on which we can set RLIMIT_NOFILE
to RLIM_INFINITY, which we normally can't.

Fixes #59242

Change-Id: I8fc30e4206bb2be46369b5342360de556ce75a96
Reviewed-on: https://go-review.googlesource.com/c/go/+/479436
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Matthew Dempsky <mdempsky@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
Ian Lance Taylor 2023-03-25 20:05:38 -07:00 committed by Gopher Robot
parent 1ae306a5be
commit 0393934fa4
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
src/net/lookup_unix.go
View File

@ -148,11 +148,11 @@ func concurrentThreadsLimit() int {
if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &rlim); err != nil {
return 500
}
r := int(rlim.Cur)
r := rlim.Cur
if r > 500 {
r = 500
} else if r > 30 {
r -= 30
}
return r
return int(r)
}