From: Eric Wong <e@80x24.org>
Date: Sat, 9 Sep 2023 12:01:36 +0000 (+0000)
Subject: ipc: define _SC_NPROCESSORS_ONLN for NetBSD
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0ca202556c6ffc4f4fb8acd17d0854fdc0b0a2df;p=thirdparty%2Fpublic-inbox.git

ipc: define _SC_NPROCESSORS_ONLN for NetBSD

We'll reorganize this into a hash table for ease-of-reading.
---

diff --git a/lib/PublicInbox/IPC.pm b/lib/PublicInbox/IPC.pm
index 528b91333..39021f425 100644
--- a/lib/PublicInbox/IPC.pm
+++ b/lib/PublicInbox/IPC.pm
@@ -451,12 +451,18 @@ sub DESTROY {
 	ipc_worker_stop($self);
 }
 
+# _SC_NPROCESSORS_ONLN = 84 on both Linux glibc and musl,
+# emitted using: $^X devel/sysdefs-list
+my %NPROCESSORS_ONLN = (
+	linux => 84,
+	freebsd => 58,
+	openbsd => 503,
+	netbsd => 1002
+);
+
 sub detect_nproc () {
-	# _SC_NPROCESSORS_ONLN = 84 on both Linux glibc and musl
-	return POSIX::sysconf(84) if $^O eq 'linux';
-	return POSIX::sysconf(58) if $^O eq 'freebsd';
-	return POSIX::sysconf(503) if $^O eq 'openbsd';
-	# TODO: more OSes
+	my $n = $NPROCESSORS_ONLN{$^O};
+	return POSIX::sysconf($n) if defined $n;
 
 	# getconf(1) is POSIX, but *NPROCESSORS* vars are not
 	for (qw(_NPROCESSORS_ONLN NPROCESSORS_ONLN)) {