Merge #13503: Document FreeBSD quirk. Fix FreeBSD build: Use std::min<int>(...) to allow for compilation under certain FreeBSD versions.

629a47a154 Document FreeBSD quirk. Fix FreeBSD build. (practicalswift)

Pull request description:

  * Document FreeBSD quirk.
  * Fix FreeBSD build: Cast to `int` to allow `std::min` to work under FreeBSD.

  Context: https://github.com/bitcoin/bitcoin/pull/9598#issuecomment-398353904

Tree-SHA512: 5ca7a5fa9e1f3efae241b9be64c9b019ec713c11dcc3edaaed383477ea48ac0dc82549ffebbe9069e8c3f6eff30acd6e4542b4aa31d307f022f4f51e5851a82c
This commit is contained in:
MarcoFalke 2018-06-27 04:39:41 -04:00 committed by Alexander Block
parent e20c63f535
commit 9591199629

View File

@ -1117,7 +1117,8 @@ bool AppInitParameterInteraction()
nMaxConnections = std::max(nUserMaxConnections, 0);
// Trim requested connection counts, to fit into system limitations
nMaxConnections = std::max(std::min(nMaxConnections, (int)(FD_SETSIZE - nBind - MIN_CORE_FILEDESCRIPTORS - MAX_ADDNODE_CONNECTIONS)), 0);
// <int> in std::min<int>(...) to work around FreeBSD compilation issue described in #2695
nMaxConnections = std::max(std::min<int>(nMaxConnections, FD_SETSIZE - nBind - MIN_CORE_FILEDESCRIPTORS - MAX_ADDNODE_CONNECTIONS), 0);
nFD = RaiseFileDescriptorLimit(nMaxConnections + MIN_CORE_FILEDESCRIPTORS + MAX_ADDNODE_CONNECTIONS);
if (nFD < MIN_CORE_FILEDESCRIPTORS)
return InitError(_("Not enough file descriptors available."));