D38367.diff
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	diff --git a/share/man/man4/filemon.4 b/share/man/man4/filemon.4
	--- a/share/man/man4/filemon.4
	+++ b/share/man/man4/filemon.4
	@@ -31,7 +31,7 @@
	.\"
	.\" $FreeBSD$
	.\"
	-.Dd February 1, 2022
	+.Dd August 1, 2023
	.Dt FILEMON 4
	.Os
	.Sh NAME
	@@ -193,12 +193,13 @@
	#include <dev/filemon/filemon.h>
	#include <fcntl.h>
	#include <err.h>
	+#include <errno.h>
	#include <unistd.h>

	static void
	open_filemon(void)
	{
	- pid_t child;
	+ pid_t child, wait_rv;
	int fm_fd, fm_log;

	if ((fm_fd = open("/dev/filemon", O_RDWR \| O_CLOEXEC)) == -1)
	@@ -215,8 +216,14 @@
	if (ioctl(fm_fd, FILEMON_SET_PID, &child) == -1)
	err(1, "Cannot set filemon PID");
	/* Do something here. */
	- } else {
	- wait(&child);
	+ } else if (child == -1)
	+ err(1, "Cannot fork child");
	+ else {
	+ while ((wait_rv = wait(&child)) == -1 &&
	+ errno == EINTR)
	+ ;
	+ if (wait_rv == -1)
	+ err(1, "cannot wait for child");
	close(fm_fd);
	}
	}