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--- notifyd/notifyd.c.orig 2021-05-05 03:21:59 UTC
+++ notifyd/notifyd.c
@@ -50,6 +50,9 @@
#include <sysexits.h>
#include <syslog.h>
#include <sys/types.h>
+#if defined(__FreeBSD__)
+#include <sys/sysctl.h>
+#endif
#include <sys/socket.h>
#include <netinet/in.h>
#include <sys/un.h>
@@ -111,6 +114,23 @@ static int do_notify(void)
unsigned bufsiz;
socklen_t optlen;
+#if defined(__FreeBSD__)
+ size_t maxsockbuf;
+ size_t len = sizeof(maxsockbuf);
+ r = sysctlbyname("kern.ipc.maxsockbuf", &maxsockbuf, &len, NULL, 0);
+ if (r == 0) {
+ bufsiz = MIN(maxsockbuf, NOTIFY_MAXSIZE);
+ } else {
+ syslog(LOG_WARNING, "unable to sysctlbyname(kern.ipc.maxsockbuf): %m");
+ bufsiz = NOTIFY_MAXSIZE;
+ }
+
+ optlen = sizeof(bufsiz);
+ r = setsockopt(soc, SOL_SOCKET, SO_RCVBUF, &bufsiz, optlen);
+ if (r == -1) {
+ syslog(LOG_WARNING, "unable to setsockopt(SO_RCVBUF) on notify socket: %m");
+ }
+#else
/* Get receive buffer size */
optlen = sizeof(bufsiz);
r = getsockopt(soc, SOL_SOCKET, SO_RCVBUF, &bufsiz, &optlen);
@@ -121,6 +141,7 @@ static int do_notify(void)
/* Use minimum of 1/10 of receive buffer size (-overhead) NOTIFY_MAXSIZE */
bufsiz = MIN(bufsiz / 10 - 32, NOTIFY_MAXSIZE);
+#endif
while (1) {
method = class = priority = user = mailbox = message = reply = NULL;
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