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[src/trunk]: src/tests/dev/audio Add tests for poll(POLLIN) before read().
details: https://anonhg.NetBSD.org/src/rev/503f875935c2
branches: trunk
changeset: 746262:503f875935c2
user: isaki <isaki%NetBSD.org@localhost>
date: Thu Mar 26 13:43:10 2020 +0000
description:
Add tests for poll(POLLIN) before read().
This affects only standalone test, not atf.
diffstat:
tests/dev/audio/audiotest.c | 83 +++++++++++++++++++++++++++++++++++++++++++-
1 files changed, 81 insertions(+), 2 deletions(-)
diffs (118 lines):
diff -r 5368b05e0205 -r 503f875935c2 tests/dev/audio/audiotest.c
--- a/tests/dev/audio/audiotest.c Thu Mar 26 13:39:29 2020 +0000
+++ b/tests/dev/audio/audiotest.c Thu Mar 26 13:43:10 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: audiotest.c,v 1.9 2020/03/26 13:37:44 isaki Exp $ */
+/* $NetBSD: audiotest.c,v 1.10 2020/03/26 13:43:10 isaki Exp $ */
/*
* Copyright (C) 2019 Tetsuya Isaki. All rights reserved.
@@ -26,7 +26,7 @@
*/
#include <sys/cdefs.h>
-__RCSID("$NetBSD: audiotest.c,v 1.9 2020/03/26 13:37:44 isaki Exp $");
+__RCSID("$NetBSD: audiotest.c,v 1.10 2020/03/26 13:43:10 isaki Exp $");
#include <errno.h>
#include <fcntl.h>
@@ -1383,6 +1383,7 @@
void test_rdwr_two(int, int);
void test_mmap_mode(int, int);
void test_poll_mode(int, int, int);
+void test_poll_in_open(const char *);
void test_kqueue_mode(int, int, int);
volatile int sigio_caught;
void signal_FIOASYNC(int);
@@ -3372,6 +3373,81 @@
}
/*
+ * Open with READ mode starts recording immediately.
+ * Of course, audioctl doesn't start.
+ */
+void
+test_poll_in_open(const char *devname)
+{
+ struct audio_info ai;
+ struct pollfd pfd;
+ char buf[4096];
+ char devfile[16];
+ int fd;
+ int r;
+ bool is_audioctl;
+
+ TEST("poll_in_open_%s", devname);
+ if (hw_canrec() == 0) {
+ XP_SKIP("This test is only for recordable device");
+ return;
+ }
+
+ snprintf(devfile, sizeof(devfile), "/dev/%s%d", devname, unit);
+ is_audioctl = (strcmp(devname, "audioctl") == 0);
+
+ fd = OPEN(devfile, O_RDONLY);
+ REQUIRED_SYS_OK(fd);
+
+ r = IOCTL(fd, AUDIO_GETBUFINFO, &ai, "");
+ REQUIRED_SYS_EQ(0, r);
+ if (is_audioctl) {
+ /* opening /dev/audioctl doesn't start recording. */
+ XP_EQ(0, ai.record.active);
+ } else {
+ /* opening /dev/{audio,sound} starts recording. */
+ /*
+ * On NetBSD7/8, opening /dev/sound doesn't start recording.
+ * It must be a bug.
+ */
+ XP_EQ(1, ai.record.active);
+ }
+
+ memset(&pfd, 0, sizeof(pfd));
+ pfd.fd = fd;
+ pfd.events = POLLIN;
+ r = POLL(&pfd, 1, 1000);
+ if (is_audioctl) {
+ /*
+ * poll-ing /dev/audioctl always fails.
+ * XXX Returning error instead of timeout should be better(?).
+ */
+ REQUIRED_SYS_EQ(0, r);
+ } else {
+ /*
+ * poll-ing /dev/{audio,sound} will succeed when recorded
+ * data is arrived.
+ */
+ /*
+ * On NetBSD7/8, opening /dev/sound doesn't start recording.
+ * It must be a bug.
+ */
+ REQUIRED_SYS_EQ(1, r);
+
+ /* In this case, read() should succeed. */
+ r = READ(fd, buf, sizeof(buf));
+ XP_SYS_OK(r);
+ XP_NE(0, r);
+ }
+
+ r = CLOSE(fd);
+ XP_SYS_EQ(0, r);
+}
+DEF(poll_in_open_audio) { test_poll_in_open("audio"); }
+DEF(poll_in_open_sound) { test_poll_in_open("sound"); }
+DEF(poll_in_open_audioctl) { test_poll_in_open("audioctl"); }
+
+/*
* poll(2) must not be affected by other recording descriptors even if
* playback descriptor waits with POLLIN (though it's not normal usage).
* In other words, two POLLIN must not interfere.
@@ -6216,6 +6292,9 @@
ENT(poll_out_hiwat),
/**/ ENT(poll_out_unpause), // XXX does not seem to work on rump
/**/ ENT(poll_out_simul), // XXX does not seem to work on rump
+ ENT(poll_in_open_audio),
+ ENT(poll_in_open_sound),
+ ENT(poll_in_open_audioctl),
ENT(poll_in_simul),
ENT(kqueue_mode_RDONLY_READ),
ENT(kqueue_mode_RDONLY_WRITE),
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