From: Howard Chu <hyc@openldap.org>
Date: Fri, 5 Jun 2026 14:56:27 +0000 (+0100)
Subject: ITS#10515 slapo-auditlog: Add Windows non-blocking support
X-Git-Url: http://git.ipfire.org/gitweb/index.cgi?a=commitdiff_plain;ds=sidebyside;p=thirdparty%2Fopenldap.git

ITS#10515 slapo-auditlog: Add Windows non-blocking support

It doesn't work the same way as on Linux, so don't enable
the test script.
---

diff --git a/servers/slapd/overlays/auditlog.c b/servers/slapd/overlays/auditlog.c
index d4b6e09494..282c6a2f59 100644
--- a/servers/slapd/overlays/auditlog.c
+++ b/servers/slapd/overlays/auditlog.c
@@ -134,7 +134,7 @@ static int auditlog_response(Operation *op, SlapReply *rs) {
 
 	/* Open file with optional non-blocking mode */
 	flags = O_WRONLY | O_CREAT | O_APPEND;
-#ifdef O_NONBLOCK
+#ifndef _WIN32
 	if ( ad->ad_nonblocking ) {
 		flags |= O_NONBLOCK;
 	}
@@ -149,6 +149,14 @@ static int auditlog_response(Operation *op, SlapReply *rs) {
 		goto done;
 	}
 
+#ifdef _WIN32
+	if ( ad->ad_nonblocking ) {
+		intptr_t fh = _get_osfhandle( fd );
+		DWORD mode = PIPE_NOWAIT;
+		SetNamedPipeHandleState( (HANDLE)fh, &mode, NULL, NULL );
+	}
+#endif
+
 	stamp = slap_get_time();
 	fprintf(f, "# %s %ld %s%s%s %s conn=%ld\n",
 		what, (long)stamp, suffix, who ? " " : "", who ? who->bv_val : "",