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-rw-r--r--aserver/aserver.c8
-rw-r--r--include/aserver.h1
-rw-r--r--include/control.h5
-rw-r--r--include/header.h2
-rw-r--r--include/hwdep.h16
-rw-r--r--include/mixer.h3
-rw-r--r--include/pcm.h2
-rw-r--r--include/rawmidi.h2
-rw-r--r--include/seq.h2
-rw-r--r--include/timer.h2
-rw-r--r--src/control/control.c16
-rw-r--r--src/control/control_local.h1
-rw-r--r--src/control/control_shm.c1
-rw-r--r--src/control/hcontrol.c16
-rw-r--r--src/hwdep/hwdep.c34
-rw-r--r--src/mixer/mixer.c43
-rw-r--r--src/pcm/pcm.c24
-rw-r--r--src/pcm/pcm_local.h1
-rw-r--r--src/pcm/pcm_multi.c2
-rw-r--r--src/pcm/pcm_plugin.c2
-rw-r--r--src/pcm/pcm_plugin.h2
-rw-r--r--src/pcm/pcm_share.c4
-rw-r--r--src/rawmidi/rawmidi.c13
-rw-r--r--src/seq/seq.c16
-rw-r--r--src/timer/timer.c12
25 files changed, 162 insertions, 68 deletions
diff --git a/aserver/aserver.c b/aserver/aserver.c
index d9663d9c..e15221a2 100644
--- a/aserver/aserver.c
+++ b/aserver/aserver.c
@@ -276,7 +276,7 @@ int pcm_shm_open(client_t *client, int *cookie)
if (err < 0)
return err;
client->device.pcm.handle = pcm;
- client->device.pcm.fd = snd_pcm_poll_descriptor(pcm);
+ client->device.pcm.fd = _snd_pcm_poll_descriptor(pcm);
shmid = shmget(IPC_PRIVATE, PCM_SHM_SIZE, 0666);
if (shmid < 0) {
@@ -459,7 +459,7 @@ int pcm_shm_cmd(client_t *client)
break;
case SND_PCM_IOCTL_POLL_DESCRIPTOR:
ctrl->result = 0;
- return shm_ack_fd(client, snd_pcm_poll_descriptor(pcm));
+ return shm_ack_fd(client, _snd_pcm_poll_descriptor(pcm));
case SND_PCM_IOCTL_CLOSE:
client->ops->close(client);
break;
@@ -503,7 +503,7 @@ int ctl_shm_open(client_t *client, int *cookie)
if (err < 0)
return err;
client->device.control.handle = ctl;
- client->device.control.fd = snd_ctl_poll_descriptor(ctl);
+ client->device.control.fd = _snd_ctl_poll_descriptor(ctl);
shmid = shmget(IPC_PRIVATE, CTL_SHM_SIZE, 0666);
if (shmid < 0) {
@@ -627,7 +627,7 @@ int ctl_shm_cmd(client_t *client)
break;
case SND_CTL_IOCTL_POLL_DESCRIPTOR:
ctrl->result = 0;
- return shm_ack_fd(client, snd_ctl_poll_descriptor(ctl));
+ return shm_ack_fd(client, _snd_ctl_poll_descriptor(ctl));
default:
ERROR("Bogus cmd: %x", ctrl->cmd);
ctrl->result = -ENOSYS;
diff --git a/include/aserver.h b/include/aserver.h
index 05242117..69076a61 100644
--- a/include/aserver.h
+++ b/include/aserver.h
@@ -19,6 +19,7 @@
*/
#include "../src/pcm/pcm_local.h"
+#include "../src/control/control_local.h"
typedef enum _snd_dev_type {
SND_DEV_TYPE_PCM,
diff --git a/include/control.h b/include/control.h
index a58133f6..8730b574 100644
--- a/include/control.h
+++ b/include/control.h
@@ -159,7 +159,7 @@ int snd_ctl_open(snd_ctl_t **ctl, const char *name);
int snd_ctl_close(snd_ctl_t *ctl);
int snd_ctl_nonblock(snd_ctl_t *ctl, int nonblock);
int snd_ctl_async(snd_ctl_t *ctl, int sig, pid_t pid);
-int snd_ctl_poll_descriptor(snd_ctl_t *ctl);
+int snd_ctl_poll_descriptors(snd_ctl_t *ctl, struct pollfd *pfds, unsigned int space);
int snd_ctl_card_info(snd_ctl_t *ctl, snd_ctl_card_info_t *info);
int snd_ctl_elem_list(snd_ctl_t *ctl, snd_ctl_elem_list_t * list);
int snd_ctl_elem_info(snd_ctl_t *ctl, snd_ctl_elem_info_t *info);
@@ -215,7 +215,7 @@ int snd_hctl_open(snd_hctl_t **hctl, const char *name);
int snd_hctl_close(snd_hctl_t *hctl);
int snd_hctl_nonblock(snd_hctl_t *hctl, int nonblock);
int snd_hctl_async(snd_hctl_t *hctl, int sig, pid_t pid);
-int snd_hctl_poll_descriptor(snd_hctl_t *hctl);
+int snd_hctl_poll_descriptors(snd_hctl_t *hctl, struct pollfd *pfds, unsigned int space);
unsigned int snd_hctl_get_count(snd_hctl_t *hctl);
int snd_hctl_set_compare(snd_hctl_t *hctl, snd_hctl_compare_t hsort);
snd_hctl_elem_t *snd_hctl_first_elem(snd_hctl_t *hctl);
@@ -230,6 +230,7 @@ int snd_hctl_handle_event(snd_hctl_t *hctl, snd_ctl_event_t *event);
int snd_hctl_handle_events(snd_hctl_t *hctl);
const char *snd_hctl_name(snd_hctl_t *hctl);
snd_ctl_type_t snd_hctl_type(snd_hctl_t *hctl);
+int snd_hctl_wait(snd_hctl_t *hctl, int timeout);
snd_hctl_elem_t *snd_hctl_elem_next(snd_hctl_elem_t *elem);
snd_hctl_elem_t *snd_hctl_elem_prev(snd_hctl_elem_t *elem);
diff --git a/include/header.h b/include/header.h
index e2fa5efc..946755ed 100644
--- a/include/header.h
+++ b/include/header.h
@@ -32,7 +32,7 @@
#include <string.h>
#include <fcntl.h>
#include <assert.h>
-#include <sys/uio.h>
+#include <sys/poll.h>
#ifndef ATTRIBUTE_UNUSED
#define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
diff --git a/include/hwdep.h b/include/hwdep.h
index 76bd4363..4b8da59a 100644
--- a/include/hwdep.h
+++ b/include/hwdep.h
@@ -33,14 +33,14 @@ typedef struct _snd_hwdep snd_hwdep_t;
extern "C" {
#endif
-int snd_hwdep_open(snd_hwdep_t **handle, int card, int device, int mode);
-int snd_hwdep_close(snd_hwdep_t *handle);
-int snd_hwdep_poll_descriptor(snd_hwdep_t *handle);
-int snd_hwdep_block_mode(snd_hwdep_t *handle, int enable);
-int snd_hwdep_info(snd_hwdep_t *handle, snd_hwdep_info_t * info);
-int snd_hwdep_ioctl(snd_hwdep_t *handle, int request, void * arg);
-ssize_t snd_hwdep_write(snd_hwdep_t *handle, const void *buffer, size_t size);
-ssize_t snd_hwdep_read(snd_hwdep_t *handle, void *buffer, size_t size);
+int snd_hwdep_open(snd_hwdep_t **hwdep, int card, int device, int mode);
+int snd_hwdep_close(snd_hwdep_t *hwdep);
+int snd_hwdep_poll_descriptors(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int space);
+int snd_hwdep_block_mode(snd_hwdep_t *hwdep, int enable);
+int snd_hwdep_info(snd_hwdep_t *hwdep, snd_hwdep_info_t * info);
+int snd_hwdep_ioctl(snd_hwdep_t *hwdep, int request, void * arg);
+ssize_t snd_hwdep_write(snd_hwdep_t *hwdep, const void *buffer, size_t size);
+ssize_t snd_hwdep_read(snd_hwdep_t *hwdep, void *buffer, size_t size);
#ifdef __cplusplus
}
diff --git a/include/mixer.h b/include/mixer.h
index 18391286..fc47c986 100644
--- a/include/mixer.h
+++ b/include/mixer.h
@@ -44,8 +44,9 @@ snd_mixer_elem_t *snd_mixer_last_elem(snd_mixer_t *mixer);
int snd_mixer_handle_events(snd_mixer_t *mixer);
int snd_mixer_attach(snd_mixer_t *mixer, const char *name);
int snd_mixer_detach(snd_mixer_t *mixer, const char *name);
-int snd_mixer_poll_descriptor(snd_mixer_t *mixer, const char *name);
+int snd_mixer_poll_descriptors(snd_mixer_t *mixer, struct pollfd *pfds, unsigned int space);
int snd_mixer_load(snd_mixer_t *mixer);
+int snd_mixer_wait(snd_mixer_t *mixer, int timeout);
int snd_mixer_set_compare(snd_mixer_t *mixer, snd_mixer_compare_t msort);
snd_mixer_elem_t *snd_mixer_elem_next(snd_mixer_elem_t *elem);
diff --git a/include/pcm.h b/include/pcm.h
index 5707aeaf..920ce49e 100644
--- a/include/pcm.h
+++ b/include/pcm.h
@@ -216,7 +216,7 @@ int snd_pcm_open(snd_pcm_t **pcm, const char *name,
snd_pcm_type_t snd_pcm_type(snd_pcm_t *pcm);
int snd_pcm_close(snd_pcm_t *pcm);
-int snd_pcm_poll_descriptor(snd_pcm_t *pcm);
+int snd_pcm_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space);
int snd_pcm_nonblock(snd_pcm_t *pcm, int nonblock);
int snd_pcm_async(snd_pcm_t *pcm, int sig, pid_t pid);
int snd_pcm_info(snd_pcm_t *pcm, snd_pcm_info_t *info);
diff --git a/include/rawmidi.h b/include/rawmidi.h
index 582bb9ed..a87927eb 100644
--- a/include/rawmidi.h
+++ b/include/rawmidi.h
@@ -47,7 +47,7 @@ extern "C" {
int snd_rawmidi_open(snd_rawmidi_t **in_rmidi, snd_rawmidi_t **out_rmidi,
const char *name, int mode);
int snd_rawmidi_close(snd_rawmidi_t *rmidi);
-int snd_rawmidi_poll_descriptor(snd_rawmidi_t *rmidi);
+int snd_rawmidi_poll_descriptors(snd_rawmidi_t *rmidi, struct pollfd *pfds, unsigned int space);
int snd_rawmidi_nonblock(snd_rawmidi_t *rmidi, int nonblock);
int snd_rawmidi_info(snd_rawmidi_t *rmidi, snd_rawmidi_info_t * info);
int snd_rawmidi_params(snd_rawmidi_t *rmidi, snd_rawmidi_params_t * params);
diff --git a/include/seq.h b/include/seq.h
index 312b9e23..41c44bcc 100644
--- a/include/seq.h
+++ b/include/seq.h
@@ -324,7 +324,7 @@ extern "C" {
int snd_seq_open(snd_seq_t **handle, const char *name, int streams, int mode);
int snd_seq_close(snd_seq_t *handle);
-int snd_seq_poll_descriptor(snd_seq_t *handle);
+int snd_seq_poll_descriptors(snd_seq_t *handle, struct pollfd *pfds, unsigned int space);
int snd_seq_nonblock(snd_seq_t *handle, int nonblock);
int snd_seq_client_id(snd_seq_t *handle);
int snd_seq_output_buffer_size(snd_seq_t *handle);
diff --git a/include/timer.h b/include/timer.h
index f146f909..a40a2807 100644
--- a/include/timer.h
+++ b/include/timer.h
@@ -50,7 +50,7 @@ extern "C" {
int snd_timer_open(snd_timer_t **handle);
int snd_timer_close(snd_timer_t *handle);
-int snd_timer_poll_descriptor(snd_timer_t *handle);
+int snd_timer_poll_descriptors(snd_timer_t *handle, struct pollfd *pfds, unsigned int space);
int snd_timer_next_device(snd_timer_t *handle, snd_timer_id_t *tid);
int snd_timer_select(snd_timer_t *handle, snd_timer_select_t *tselect);
int snd_timer_info(snd_timer_t *handle, snd_timer_info_t *timer);
diff --git a/src/control/control.c b/src/control/control.c
index b9c76075..fa62bb06 100644
--- a/src/control/control.c
+++ b/src/control/control.c
@@ -68,12 +68,22 @@ int snd_ctl_async(snd_ctl_t *ctl, int sig, pid_t pid)
return ctl->ops->async(ctl, sig, pid);
}
-int snd_ctl_poll_descriptor(snd_ctl_t *ctl)
+int _snd_ctl_poll_descriptor(snd_ctl_t *ctl)
{
assert(ctl);
return ctl->ops->poll_descriptor(ctl);
}
+int snd_ctl_poll_descriptors(snd_ctl_t *ctl, struct pollfd *pfds, unsigned int space)
+{
+ assert(ctl);
+ if (space >= 1) {
+ pfds->fd = ctl->ops->poll_descriptor(ctl);
+ pfds->events = POLLIN;
+ }
+ return 1;
+}
+
int snd_ctl_card_info(snd_ctl_t *ctl, snd_ctl_card_info_t *info)
{
assert(ctl && info);
@@ -163,8 +173,8 @@ int snd_ctl_wait(snd_ctl_t *ctl, int timeout)
{
struct pollfd pfd;
int err;
- pfd.fd = snd_ctl_poll_descriptor(ctl);
- pfd.events = POLLIN;
+ err = snd_ctl_poll_descriptors(ctl, &pfd, 1);
+ assert(err == 1);
err = poll(&pfd, 1, timeout);
if (err < 0)
return -errno;
diff --git a/src/control/control_local.h b/src/control/control_local.h
index 5e545349..296cf04a 100644
--- a/src/control/control_local.h
+++ b/src/control/control_local.h
@@ -74,5 +74,6 @@ struct _snd_hctl {
};
+int _snd_ctl_poll_descriptor(snd_ctl_t *ctl);
int snd_ctl_hw_open(snd_ctl_t **handle, const char *name, int card);
int snd_ctl_shm_open(snd_ctl_t **handlep, const char *name, const char *socket, const char *sname);
diff --git a/src/control/control_shm.c b/src/control/control_shm.c
index 496b1371..96fc5c97 100644
--- a/src/control/control_shm.c
+++ b/src/control/control_shm.c
@@ -34,7 +34,6 @@
#include <netinet/in.h>
#include <netdb.h>
#include "aserver.h"
-#include "control_local.h"
typedef struct {
int socket;
diff --git a/src/control/hcontrol.c b/src/control/hcontrol.c
index 2113b7e5..e865e169 100644
--- a/src/control/hcontrol.c
+++ b/src/control/hcontrol.c
@@ -81,10 +81,10 @@ int snd_hctl_async(snd_hctl_t *hctl, int sig, pid_t pid)
return snd_ctl_async(hctl->ctl, sig, pid);
}
-int snd_hctl_poll_descriptor(snd_hctl_t *hctl)
+int snd_hctl_poll_descriptors(snd_hctl_t *hctl, struct pollfd *pfds, unsigned int space)
{
assert(hctl);
- return snd_ctl_poll_descriptor(hctl->ctl);
+ return snd_ctl_poll_descriptors(hctl->ctl, pfds, space);
}
static int _snd_hctl_find_elem(snd_hctl_t *hctl, const snd_ctl_elem_id_t *id, int *dir)
@@ -441,6 +441,18 @@ unsigned int snd_hctl_get_count(snd_hctl_t *hctl)
return hctl->count;
}
+int snd_hctl_wait(snd_hctl_t *hctl, int timeout)
+{
+ struct pollfd pfd;
+ int err;
+ err = snd_hctl_poll_descriptors(hctl, &pfd, 1);
+ assert(err == 1);
+ err = poll(&pfd, 1, timeout);
+ if (err < 0)
+ return -errno;
+ return 0;
+}
+
int snd_hctl_handle_event(snd_hctl_t *hctl, snd_ctl_event_t *event)
{
snd_hctl_elem_t *elem;
diff --git a/src/hwdep/hwdep.c b/src/hwdep/hwdep.c
index 97f5fb3c..6319515b 100644
--- a/src/hwdep/hwdep.c
+++ b/src/hwdep/hwdep.c
@@ -42,6 +42,7 @@ int snd_hwdep_open(snd_hwdep_t **handle, int card, int device, int mode)
int fd, ver;
char filename[32];
snd_hwdep_t *hwdep;
+ assert(handle);
*handle = NULL;
@@ -77,27 +78,26 @@ int snd_hwdep_open(snd_hwdep_t **handle, int card, int device, int mode)
int snd_hwdep_close(snd_hwdep_t *hwdep)
{
int res;
-
- if (!hwdep)
- return -EINVAL;
+ assert(hwdep);
res = close(hwdep->fd) < 0 ? -errno : 0;
free(hwdep);
return res;
}
-int snd_hwdep_poll_descriptor(snd_hwdep_t *hwdep)
+int snd_hwdep_poll_descriptors(snd_hwdep_t *hwdep, struct pollfd *pfds, unsigned int space)
{
- if (!hwdep)
- return -EINVAL;
- return hwdep->fd;
+ assert(hwdep);
+ if (space >= 1) {
+ pfds->fd = hwdep->fd;
+ pfds->events = POLLOUT | POLLIN;
+ }
+ return 1;
}
int snd_hwdep_block_mode(snd_hwdep_t *hwdep, int enable)
{
long flags;
-
- if (!hwdep)
- return -EINVAL;
+ assert(hwdep);
if ((flags = fcntl(hwdep->fd, F_GETFL)) < 0)
return -errno;
if (enable)
@@ -111,8 +111,7 @@ int snd_hwdep_block_mode(snd_hwdep_t *hwdep, int enable)
int snd_hwdep_info(snd_hwdep_t *hwdep, snd_hwdep_info_t *info)
{
- if (!hwdep || !info)
- return -EINVAL;
+ assert(hwdep && info);
if (ioctl(hwdep->fd, SNDRV_HWDEP_IOCTL_INFO, info) < 0)
return -errno;
return 0;
@@ -120,8 +119,7 @@ int snd_hwdep_info(snd_hwdep_t *hwdep, snd_hwdep_info_t *info)
int snd_hwdep_ioctl(snd_hwdep_t *hwdep, int request, void * arg)
{
- if (!hwdep)
- return -EINVAL;
+ assert(hwdep);
if (ioctl(hwdep->fd, request, arg) < 0)
return -errno;
return 0;
@@ -130,9 +128,7 @@ int snd_hwdep_ioctl(snd_hwdep_t *hwdep, int request, void * arg)
ssize_t snd_hwdep_write(snd_hwdep_t *hwdep, const void *buffer, size_t size)
{
ssize_t result;
-
- if (!hwdep || (!buffer && size > 0))
- return -EINVAL;
+ assert(hwdep && (buffer || size == 0));
result = write(hwdep->fd, buffer, size);
if (result < 0)
return -errno;
@@ -142,9 +138,7 @@ ssize_t snd_hwdep_write(snd_hwdep_t *hwdep, const void *buffer, size_t size)
ssize_t snd_hwdep_read(snd_hwdep_t *hwdep, void *buffer, size_t size)
{
ssize_t result;
-
- if (!hwdep || (!buffer && size > 0))
- return -EINVAL;
+ assert(hwdep && (buffer || size == 0));
result = read(hwdep->fd, buffer, size);
if (result < 0)
return -errno;
diff --git a/src/mixer/mixer.c b/src/mixer/mixer.c
index 0f8d7663..8db19832 100644
--- a/src/mixer/mixer.c
+++ b/src/mixer/mixer.c
@@ -447,19 +447,48 @@ int snd_mixer_set_compare(snd_mixer_t *mixer, snd_mixer_compare_t msort)
return 0;
}
-int snd_mixer_poll_descriptor(snd_mixer_t *mixer, const char *name)
+int snd_mixer_poll_descriptors(snd_mixer_t *mixer, struct pollfd *pfds, unsigned int space)
{
struct list_head *pos, *next;
- assert(mixer && name);
+ unsigned int count = 0;
+ assert(mixer);
list_for_each(pos, next, &mixer->slaves) {
snd_mixer_slave_t *s;
- const char *n;
+ int n;
s = list_entry(pos, snd_mixer_slave_t, list);
- n = snd_hctl_name(s->hctl);
- if (n && strcmp(name, n) == 0)
- return snd_hctl_poll_descriptor(s->hctl);
+ n = snd_hctl_poll_descriptors(s->hctl, pfds, space);
+ if (n < 0)
+ return n;
+ count += n;
+ if (space > (unsigned int) n) {
+ space -= n;
+ pfds += n;
+ } else
+ space = 0;
}
- return -ENOENT;
+ return count;
+}
+
+int snd_mixer_wait(snd_mixer_t *mixer, int timeout)
+{
+ struct pollfd spfds[16];
+ struct pollfd *pfds = spfds;
+ int err;
+ int count;
+ count = snd_mixer_poll_descriptors(mixer, pfds, sizeof(spfds) / sizeof(spfds[0]));
+ if (count < 0)
+ return count;
+ if ((unsigned int) count > sizeof(spfds) / sizeof(spfds[0])) {
+ pfds = malloc(count * sizeof(*pfds));
+ if (!pfds)
+ return -ENOMEM;
+ err = snd_mixer_poll_descriptors(mixer, pfds, count);
+ assert(err == count);
+ }
+ err = poll(pfds, count, timeout);
+ if (err < 0)
+ return -errno;
+ return 0;
}
snd_mixer_elem_t *snd_mixer_first_elem(snd_mixer_t *mixer)
diff --git a/src/pcm/pcm.c b/src/pcm/pcm.c
index f7395561..d868eef2 100644
--- a/src/pcm/pcm.c
+++ b/src/pcm/pcm.c
@@ -205,12 +205,12 @@ snd_pcm_sframes_t snd_pcm_readn(snd_pcm_t *pcm, void **bufs, snd_pcm_uframes_t s
}
/* FIXME */
-#define snd_pcm_link_descriptor snd_pcm_poll_descriptor
+#define _snd_pcm_link_descriptor _snd_pcm_poll_descriptor
int snd_pcm_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2)
{
- int fd1 = snd_pcm_link_descriptor(pcm1);
- int fd2 = snd_pcm_link_descriptor(pcm2);
+ int fd1 = _snd_pcm_link_descriptor(pcm1);
+ int fd2 = _snd_pcm_link_descriptor(pcm2);
if (fd1 < 0 || fd2 < 0)
return -ENOSYS;
if (ioctl(fd1, SNDRV_PCM_IOCTL_LINK, fd2) < 0) {
@@ -223,7 +223,7 @@ int snd_pcm_link(snd_pcm_t *pcm1, snd_pcm_t *pcm2)
int snd_pcm_unlink(snd_pcm_t *pcm)
{
int fd;
- fd = snd_pcm_link_descriptor(pcm);
+ fd = _snd_pcm_link_descriptor(pcm);
if (ioctl(fd, SNDRV_PCM_IOCTL_UNLINK) < 0) {
SYSERR("SNDRV_PCM_IOCTL_UNLINK failed");
return -errno;
@@ -231,12 +231,22 @@ int snd_pcm_unlink(snd_pcm_t *pcm)
return 0;
}
-int snd_pcm_poll_descriptor(snd_pcm_t *pcm)
+int _snd_pcm_poll_descriptor(snd_pcm_t *pcm)
{
assert(pcm);
return pcm->poll_fd;
}
+int snd_pcm_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space)
+{
+ assert(pcm);
+ if (space >= 1) {
+ pfds->fd = pcm->poll_fd;
+ pfds->events = pcm->stream == SND_PCM_STREAM_PLAYBACK ? POLLOUT : POLLIN;
+ }
+ return 1;
+}
+
#define STATE(v) [SND_PCM_STATE_##v] = #v
#define STREAM(v) [SND_PCM_STREAM_##v] = #v
#define READY(v) [SND_PCM_READY_##v] = #v
@@ -688,8 +698,8 @@ int snd_pcm_wait(snd_pcm_t *pcm, int timeout)
{
struct pollfd pfd;
int err;
- pfd.fd = snd_pcm_poll_descriptor(pcm);
- pfd.events = pcm->stream == SND_PCM_STREAM_PLAYBACK ? POLLOUT : POLLIN;
+ err = snd_pcm_poll_descriptors(pcm, &pfd, 1);
+ assert(err == 1);
err = poll(&pfd, 1, timeout);
if (err < 0)
return -errno;
diff --git a/src/pcm/pcm_local.h b/src/pcm/pcm_local.h
index 97466a7d..ec2ecd5f 100644
--- a/src/pcm/pcm_local.h
+++ b/src/pcm/pcm_local.h
@@ -202,6 +202,7 @@ snd_pcm_sframes_t snd_pcm_read_mmap(snd_pcm_t *pcm, snd_pcm_uframes_t size);
snd_pcm_sframes_t snd_pcm_write_mmap(snd_pcm_t *pcm, snd_pcm_uframes_t size);
int snd_pcm_channel_info(snd_pcm_t *pcm, snd_pcm_channel_info_t *info);
int snd_pcm_channel_info_shm(snd_pcm_t *pcm, snd_pcm_channel_info_t *info, int shmid);
+int _snd_pcm_poll_descriptor(snd_pcm_t *pcm);
static inline snd_pcm_uframes_t snd_pcm_mmap_playback_avail(snd_pcm_t *pcm)
{
diff --git a/src/pcm/pcm_multi.c b/src/pcm/pcm_multi.c
index 4af4151f..0576aa7c 100644
--- a/src/pcm/pcm_multi.c
+++ b/src/pcm/pcm_multi.c
@@ -447,7 +447,7 @@ int snd_pcm_multi_poll_descriptor(snd_pcm_t *pcm)
{
snd_pcm_multi_t *multi = pcm->private_data;
snd_pcm_t *slave = multi->slaves[0].pcm;
- return snd_pcm_poll_descriptor(slave);
+ return _snd_pcm_poll_descriptor(slave);
}
static void snd_pcm_multi_dump(snd_pcm_t *pcm, snd_output_t *out)
diff --git a/src/pcm/pcm_plugin.c b/src/pcm/pcm_plugin.c
index 4d4c7774..cb7a7af7 100644
--- a/src/pcm/pcm_plugin.c
+++ b/src/pcm/pcm_plugin.c
@@ -337,7 +337,7 @@ int snd_pcm_plugin_munmap(snd_pcm_t *pcm)
int snd_pcm_plugin_poll_descriptor(snd_pcm_t *pcm)
{
snd_pcm_plugin_t *plugin = pcm->private_data;
- return snd_pcm_poll_descriptor(plugin->slave);
+ return _snd_pcm_poll_descriptor(plugin->slave);
}
int snd_pcm_plugin_hw_refine_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params)
diff --git a/src/pcm/pcm_plugin.h b/src/pcm/pcm_plugin.h
index a0856187..7d6a0375 100644
--- a/src/pcm/pcm_plugin.h
+++ b/src/pcm/pcm_plugin.h
@@ -61,7 +61,7 @@ int snd_pcm_plugin_mmap(snd_pcm_t *pcm);
int snd_pcm_plugin_munmap_status(snd_pcm_t *pcm);
int snd_pcm_plugin_munmap_control(snd_pcm_t *pcm);
int snd_pcm_plugin_munmap(snd_pcm_t *pcm);
-int snd_pcm_plugin_poll_descriptor(snd_pcm_t *pcm);
+int snd_pcm_plugin_poll_descriptors(snd_pcm_t *pcm, struct pollfd *pfds, unsigned int space);
int snd_pcm_plugin_hw_params_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
int snd_pcm_plugin_hw_refine_slave(snd_pcm_t *pcm, snd_pcm_hw_params_t *params);
diff --git a/src/pcm/pcm_share.c b/src/pcm/pcm_share.c
index 00b535c1..11b2c232 100644
--- a/src/pcm/pcm_share.c
+++ b/src/pcm/pcm_share.c
@@ -346,8 +346,8 @@ void *snd_pcm_share_slave_thread(void *data)
int err;
pfd[0].fd = slave->poll[0];
pfd[0].events = POLLIN;
- pfd[1].fd = snd_pcm_poll_descriptor(spcm);
- pfd[1].events = POLLIN | POLLOUT;
+ err = snd_pcm_poll_descriptors(spcm, &pfd[1], 1);
+ assert(err == 1);
Pthread_mutex_lock(&slave->mutex);
err = pipe(slave->poll);
assert(err >= 0);
diff --git a/src/rawmidi/rawmidi.c b/src/rawmidi/rawmidi.c
index 32f608a7..e22aa06c 100644
--- a/src/rawmidi/rawmidi.c
+++ b/src/rawmidi/rawmidi.c
@@ -52,12 +52,23 @@ int snd_rawmidi_close(snd_rawmidi_t *rmidi)
return 0;
}
-int snd_rawmidi_poll_descriptor(snd_rawmidi_t *rmidi)
+int _snd_rawmidi_poll_descriptor(snd_rawmidi_t *rmidi)
{
assert(rmidi);
return rmidi->poll_fd;
}
+int snd_rawmidi_poll_descriptors(snd_rawmidi_t *rmidi, struct pollfd *pfds, unsigned int space)
+{
+ assert(rmidi);
+ if (space >= 1) {
+ pfds->fd = rmidi->poll_fd;
+ pfds->events = rmidi->stream == SND_RAWMIDI_STREAM_OUTPUT ? POLLOUT : POLLIN;
+ }
+ return 1;
+}
+
+
int snd_rawmidi_nonblock(snd_rawmidi_t *rmidi, int nonblock)
{
int err;
diff --git a/src/seq/seq.c b/src/seq/seq.c
index e45aa985..830846ae 100644
--- a/src/seq/seq.c
+++ b/src/seq/seq.c
@@ -146,12 +146,26 @@ int snd_seq_close(snd_seq_t *seq)
/*
* returns the file descriptor of the client
*/
-int snd_seq_poll_descriptor(snd_seq_t *seq)
+int _snd_seq_poll_descriptor(snd_seq_t *seq)
{
assert(seq);
return seq->poll_fd;
}
+int snd_seq_poll_descriptors(snd_seq_t *seq, struct pollfd *pfds, unsigned int space)
+{
+ assert(seq);
+ if (space >= 1) {
+ pfds->fd = seq->poll_fd;
+ pfds->events = 0;
+ if (seq->streams & SND_SEQ_OPEN_INPUT)
+ pfds->events |= POLLIN;
+ if (seq->streams & SND_SEQ_OPEN_OUTPUT)
+ pfds->events |= POLLOUT;
+ }
+ return 1;
+}
+
/*
* set blocking behavior
*/
diff --git a/src/timer/timer.c b/src/timer/timer.c
index 45b701d1..9a1fff68 100644
--- a/src/timer/timer.c
+++ b/src/timer/timer.c
@@ -74,7 +74,7 @@ int snd_timer_close(snd_timer_t *handle)
return res;
}
-int snd_timer_poll_descriptor(snd_timer_t *handle)
+int _snd_timer_poll_descriptor(snd_timer_t *handle)
{
snd_timer_t *tmr;
@@ -84,6 +84,16 @@ int snd_timer_poll_descriptor(snd_timer_t *handle)
return tmr->fd;
}
+int snd_timer_poll_descriptors(snd_timer_t *timer, struct pollfd *pfds, unsigned int space)
+{
+ assert(timer);
+ if (space >= 1) {
+ pfds->fd = timer->fd;
+ pfds->events = POLLIN;
+ }
+ return 1;
+}
+
int snd_timer_next_device(snd_timer_t *handle, snd_timer_id_t * tid)
{
snd_timer_t *tmr;