From: Luiz Augusto von Dentz <luiz.von.dentz@xxxxxxxxx>
This makes the stream to block on io operation so it does not return
EAGAIN on syscall such as write.
---
android/hal-audio.c | 15 +++++++++++++--
1 file changed, 13 insertions(+), 2 deletions(-)
diff --git a/android/hal-audio.c b/android/hal-audio.c
index 2ca6289..21c1d94 100644
--- a/android/hal-audio.c
+++ b/android/hal-audio.c
@@ -25,6 +25,7 @@
#include <sys/un.h>
#include <unistd.h>
#include <arpa/inet.h>
+#include <fcntl.h>
#include <hardware/audio.h>
#include <hardware/hardware.h>
@@ -1121,7 +1122,7 @@ static int audio_open_output_stream(struct audio_hw_device *dev,
struct audio_preset *preset;
const struct audio_codec *codec;
uint16_t mtu;
- int fd;
+ int fd, flags;
out = calloc(1, sizeof(struct a2dp_stream_out));
if (!out)
@@ -1156,8 +1157,18 @@ static int audio_open_output_stream(struct audio_hw_device *dev,
if (!preset || fd < 0)
goto fail;
- out->ep->fd = fd;
+ flags = fcntl(fd, F_GETFL, 0);
+ if (flags < 0) {
+ error("fcntl(F_GETFL): %s (%d)", strerror(errno), errno);
+ goto fail;
+ }
+ if (fcntl(fd, F_SETFL, flags & ~O_NONBLOCK) < 0) {
+ error("fcntl(F_SETFL): %s (%d)", strerror(errno), errno);
+ goto fail;
+ }
+
+ out->ep->fd = fd;
codec = out->ep->codec;
codec->init(preset, mtu, &out->ep->codec_data);
--
1.8.4.2
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