1 files changed, 49 insertions, 0 deletions
diff --git a/sys/contrib/openzfs/tests/zfs-tests/cmd/zed_fd_spill-zedlet.c b/sys/contrib/openzfs/tests/zfs-tests/cmd/zed_fd_spill-zedlet.c
new file mode 100644
index 000000000000..b248579abb7c
--- /dev/null
+++ b/sys/contrib/openzfs/tests/zfs-tests/cmd/zed_fd_spill-zedlet.c
@@ -0,0 +1,49 @@
+/*
+ * Permission to use, copy, modify, and/or distribute this software for
+ * any purpose with or without fee is hereby granted.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN
+ * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
+ * OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+
+int main(void) {
+	if (fork()) {
+		int err;
+		wait(&err);
+		return (err);
+	}
+
+	char buf[64];
+	sprintf(buf, "/tmp/zts-zed_fd_spill-logdir/%d", getppid());
+	int fd = creat(buf, 0644);
+	if (fd == -1) {
+		(void) fprintf(stderr, "creat(%s) failed: %s\n", buf,
+		    strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+
+	if (dup2(fd, STDOUT_FILENO) == -1) {
+		close(fd);
+		(void) fprintf(stderr, "dup2(%s, STDOUT_FILENO) failed: %s\n",
+		    buf, strerror(errno));
+		exit(EXIT_FAILURE);
+	}
+
+	snprintf(buf, sizeof (buf), "/proc/%d/fd", getppid());
+	execlp("ls", "ls", buf, NULL);
+	_exit(127);
+}