diff options
-rw-r--r-- | src/daemon/main.c | 10 | ||||
-rw-r--r-- | src/modules/alsa/alsa-sink.c | 6 | ||||
-rw-r--r-- | src/modules/alsa/alsa-source.c | 8 | ||||
-rw-r--r-- | src/modules/module-udev-detect.c | 34 | ||||
-rw-r--r-- | src/pulsecore/protocol-native.c | 2 |
5 files changed, 51 insertions, 9 deletions
diff --git a/src/daemon/main.c b/src/daemon/main.c index 0f6fc907..587fd175 100644 --- a/src/daemon/main.c +++ b/src/daemon/main.c @@ -65,6 +65,10 @@ #include <dbus/dbus.h> #endif +#ifdef __linux__ +#include <sys/personality.h> +#endif + #include <pulse/mainloop.h> #include <pulse/mainloop-signal.h> #include <pulse/timeval.h> @@ -411,6 +415,12 @@ int main(int argc, char *argv[]) { /* We might be autospawned, in which case have no idea in which * context we have been started. Let's cleanup our execution * context as good as possible */ + +#ifdef __linux__ + if (personality(PER_LINUX) < 0) + pa_log_warn("Uh, personality() failed: %s", pa_cstrerror(errno)); +#endif + pa_drop_root(); pa_close_all(passed_fd, -1); pa_reset_sigs(-1); diff --git a/src/modules/alsa/alsa-sink.c b/src/modules/alsa/alsa-sink.c index 0cde694c..e7925902 100644 --- a/src/modules/alsa/alsa-sink.c +++ b/src/modules/alsa/alsa-sink.c @@ -494,6 +494,9 @@ static int mmap_write(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polle if (frames > pa_mempool_block_size_max(u->sink->core->mempool)/u->frame_size) frames = pa_mempool_block_size_max(u->sink->core->mempool)/u->frame_size; + if (frames == 0) + break; + /* Check these are multiples of 8 bit */ pa_assert((areas[0].first & 7) == 0); pa_assert((areas[0].step & 7)== 0); @@ -631,7 +634,8 @@ static int unix_write(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polle frames = snd_pcm_writei(u->pcm_handle, (const uint8_t*) p + u->memchunk.index, (snd_pcm_uframes_t) frames); pa_memblock_release(u->memchunk.memblock); - pa_assert(frames != 0); + if (frames == 0) + break; if (PA_UNLIKELY(frames < 0)) { diff --git a/src/modules/alsa/alsa-source.c b/src/modules/alsa/alsa-source.c index a6760e1e..41bb768b 100644 --- a/src/modules/alsa/alsa-source.c +++ b/src/modules/alsa/alsa-source.c @@ -473,6 +473,9 @@ static int mmap_read(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polled if (frames > pa_mempool_block_size_max(u->source->core->mempool)/u->frame_size) frames = pa_mempool_block_size_max(u->source->core->mempool)/u->frame_size; + if (frames == 0) + break; + /* Check these are multiples of 8 bit */ pa_assert((areas[0].first & 7) == 0); pa_assert((areas[0].step & 7)== 0); @@ -599,7 +602,10 @@ static int unix_read(struct userdata *u, pa_usec_t *sleep_usec, pa_bool_t polled frames = snd_pcm_readi(u->pcm_handle, (uint8_t*) p, (snd_pcm_uframes_t) frames); pa_memblock_release(chunk.memblock); - pa_assert(frames != 0); + if (frames == 0) { + pa_memblock_unref(chunk.memblock); + break; + } if (PA_UNLIKELY(frames < 0)) { pa_memblock_unref(chunk.memblock); diff --git a/src/modules/module-udev-detect.c b/src/modules/module-udev-detect.c index 1ad6fa2d..c8ec2bf9 100644 --- a/src/modules/module-udev-detect.c +++ b/src/modules/module-udev-detect.c @@ -65,6 +65,8 @@ static const char* const valid_modargs[] = { NULL }; +static int setup_inotify(struct userdata *u); + static void device_free(struct device *d) { pa_assert(d); @@ -117,6 +119,9 @@ static void card_changed(struct userdata *u, struct udev_device *dev) { pa_assert(u); pa_assert(dev); + /* Maybe /dev/snd is now available? */ + setup_inotify(u); + path = udev_device_get_devpath(dev); if ((d = pa_hashmap_get(u->devices, path))) { @@ -262,7 +267,7 @@ static void inotify_cb( } buf; struct userdata *u = userdata; static int type = 0; - pa_bool_t verify = FALSE; + pa_bool_t verify = FALSE, deleted = FALSE; for (;;) { ssize_t r; @@ -279,6 +284,9 @@ static void inotify_cb( if ((buf.e.mask & IN_CLOSE_WRITE) && pa_startswith(buf.e.name, "pcmC")) verify = TRUE; + + if ((buf.e.mask & (IN_DELETE_SELF|IN_MOVE_SELF))) + deleted = TRUE; } if (verify) { @@ -291,11 +299,14 @@ static void inotify_cb( verify_access(u, d); } - return; + if (!deleted) + return; fail: - a->io_free(u->inotify_io); - u->inotify_io = NULL; + if (u->inotify_io) { + a->io_free(u->inotify_io); + u->inotify_io = NULL; + } if (u->inotify_fd >= 0) { pa_close(u->inotify_fd); @@ -307,17 +318,28 @@ static int setup_inotify(struct userdata *u) { char *dev_snd; int r; + if (u->inotify_fd >= 0) + return 0; + if ((u->inotify_fd = inotify_init1(IN_CLOEXEC|IN_NONBLOCK)) < 0) { pa_log("inotify_init1() failed: %s", pa_cstrerror(errno)); return -1; } dev_snd = pa_sprintf_malloc("%s/snd", udev_get_dev_path(u->udev)); - r = inotify_add_watch(u->inotify_fd, dev_snd, IN_CLOSE_WRITE); + r = inotify_add_watch(u->inotify_fd, dev_snd, IN_CLOSE_WRITE|IN_DELETE_SELF|IN_MOVE_SELF); pa_xfree(dev_snd); if (r < 0) { - pa_log("inotify_add_watch() failed: %s", pa_cstrerror(errno)); + int saved_errno = errno; + + pa_close(u->inotify_fd); + u->inotify_fd = -1; + + if (saved_errno == ENOENT) + return 0; + + pa_log("inotify_add_watch() failed: %s", pa_cstrerror(saved_errno)); return -1; } diff --git a/src/pulsecore/protocol-native.c b/src/pulsecore/protocol-native.c index 96184bd2..9a37c565 100644 --- a/src/pulsecore/protocol-native.c +++ b/src/pulsecore/protocol-native.c @@ -2550,7 +2550,7 @@ static void command_get_playback_latency(pa_pdispatch *pd, uint32_t command, uin reply = reply_new(tag); pa_tagstruct_put_usec(reply, s->current_sink_latency + - pa_bytes_to_usec(s->render_memblockq_length, &s->sink_input->sample_spec)); + pa_bytes_to_usec(s->render_memblockq_length, &s->sink_input->sink->sample_spec)); pa_tagstruct_put_usec(reply, 0); pa_tagstruct_put_boolean(reply, s->playing_for > 0 && |