diff options
| -rw-r--r-- | include/uapi/sound/asequencer.h | 6 | ||||
| -rw-r--r-- | sound/core/seq/seq_clientmgr.c | 14 | ||||
| -rw-r--r-- | sound/core/seq/seq_clientmgr.h | 2 |
3 files changed, 20 insertions, 2 deletions
diff --git a/include/uapi/sound/asequencer.h b/include/uapi/sound/asequencer.h index af96f2044f91..7b7659a79ac4 100644 --- a/include/uapi/sound/asequencer.h +++ b/include/uapi/sound/asequencer.h @@ -25,7 +25,7 @@ #include <sound/asound.h> /** version of the sequencer */ -#define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION (1, 0, 1) +#define SNDRV_SEQ_VERSION SNDRV_PROTOCOL_VERSION(1, 0, 2) /** * definition of sequencer event types @@ -357,7 +357,9 @@ struct snd_seq_client_info { unsigned char event_filter[32]; /* event filter bitmap */ int num_ports; /* RO: number of ports */ int event_lost; /* number of lost events */ - char reserved[64]; /* for future use */ + int card; /* RO: card number[kernel] */ + int pid; /* RO: pid[user] */ + char reserved[56]; /* for future use */ }; diff --git a/sound/core/seq/seq_clientmgr.c b/sound/core/seq/seq_clientmgr.c index 58e79e02f217..d6d9419d8bac 100644 --- a/sound/core/seq/seq_clientmgr.c +++ b/sound/core/seq/seq_clientmgr.c @@ -364,6 +364,7 @@ static int snd_seq_open(struct inode *inode, struct file *file) /* fill client data */ user->file = file; sprintf(client->name, "Client-%d", c); + client->data.user.owner = get_pid(task_pid(current)); /* make others aware this new client */ snd_seq_system_client_ev_client_start(c); @@ -380,6 +381,7 @@ static int snd_seq_release(struct inode *inode, struct file *file) seq_free_client(client); if (client->data.user.fifo) snd_seq_fifo_delete(&client->data.user.fifo); + put_pid(client->data.user.owner); kfree(client); } @@ -1197,6 +1199,17 @@ static void get_client_info(struct snd_seq_client *cptr, info->event_lost = cptr->event_lost; memcpy(info->event_filter, cptr->event_filter, 32); info->num_ports = cptr->num_ports; + + if (cptr->type == USER_CLIENT) + info->pid = pid_vnr(cptr->data.user.owner); + else + info->pid = -1; + + if (cptr->type == KERNEL_CLIENT) + info->card = cptr->data.kernel.card ? cptr->data.kernel.card->number : -1; + else + info->card = -1; + memset(info->reserved, 0, sizeof(info->reserved)); } @@ -2271,6 +2284,7 @@ int snd_seq_create_kernel_client(struct snd_card *card, int client_index, client->accept_input = 1; client->accept_output = 1; + client->data.kernel.card = card; va_start(args, name_fmt); vsnprintf(client->name, sizeof(client->name), name_fmt, args); diff --git a/sound/core/seq/seq_clientmgr.h b/sound/core/seq/seq_clientmgr.h index 20f0a725ec7d..c6614254ef8a 100644 --- a/sound/core/seq/seq_clientmgr.h +++ b/sound/core/seq/seq_clientmgr.h @@ -33,6 +33,7 @@ struct snd_seq_user_client { struct file *file; /* file struct of client */ /* ... */ + struct pid *owner; /* fifo */ struct snd_seq_fifo *fifo; /* queue for incoming events */ @@ -41,6 +42,7 @@ struct snd_seq_user_client { struct snd_seq_kernel_client { /* ... */ + struct snd_card *card; }; |