diff options
Diffstat (limited to 'sound/oss')
-rw-r--r-- | sound/oss/dmabuf.c | 14 | ||||
-rw-r--r-- | sound/oss/dmasound/dmasound.h | 1 | ||||
-rw-r--r-- | sound/oss/dmasound/dmasound_core.c | 28 | ||||
-rw-r--r-- | sound/oss/midibuf.c | 18 | ||||
-rw-r--r-- | sound/oss/msnd_pinnacle.c | 31 | ||||
-rw-r--r-- | sound/oss/sequencer.c | 16 | ||||
-rw-r--r-- | sound/oss/sleep.h | 18 | ||||
-rw-r--r-- | sound/oss/swarm_cs4297a.c | 14 | ||||
-rw-r--r-- | sound/oss/vwsnd.c | 14 |
9 files changed, 95 insertions, 59 deletions
diff --git a/sound/oss/dmabuf.c b/sound/oss/dmabuf.c index 461d94cfecbe..e3f29132d3ac 100644 --- a/sound/oss/dmabuf.c +++ b/sound/oss/dmabuf.c @@ -28,6 +28,7 @@ #include <linux/mm.h> #include <linux/gfp.h> #include "sound_config.h" +#include "sleep.h" #define DMAP_FREE_ON_CLOSE 0 #define DMAP_KEEP_ON_CLOSE 1 @@ -351,8 +352,7 @@ static void dma_reset_output(int dev) if (!signal_pending(current) && adev->dmap_out->qlen && adev->dmap_out->underrun_count == 0){ spin_unlock_irqrestore(&dmap->lock,flags); - interruptible_sleep_on_timeout(&adev->out_sleeper, - dmabuf_timeout(dmap)); + oss_broken_sleep_on(&adev->out_sleeper, dmabuf_timeout(dmap)); spin_lock_irqsave(&dmap->lock,flags); } adev->dmap_out->flags &= ~(DMA_SYNCING | DMA_ACTIVE); @@ -446,7 +446,7 @@ int DMAbuf_sync(int dev) long t = dmabuf_timeout(dmap); spin_unlock_irqrestore(&dmap->lock,flags); /* FIXME: not safe may miss events */ - t = interruptible_sleep_on_timeout(&adev->out_sleeper, t); + t = oss_broken_sleep_on(&adev->out_sleeper, t); spin_lock_irqsave(&dmap->lock,flags); if (!t) { adev->dmap_out->flags &= ~DMA_SYNCING; @@ -466,7 +466,7 @@ int DMAbuf_sync(int dev) while (!signal_pending(current) && adev->d->local_qlen(dev)){ spin_unlock_irqrestore(&dmap->lock,flags); - interruptible_sleep_on_timeout(&adev->out_sleeper, + oss_broken_sleep_on(&adev->out_sleeper, dmabuf_timeout(dmap)); spin_lock_irqsave(&dmap->lock,flags); } @@ -587,8 +587,7 @@ int DMAbuf_getrdbuffer(int dev, char **buf, int *len, int dontblock) timeout = dmabuf_timeout(dmap); spin_unlock_irqrestore(&dmap->lock,flags); - timeout = interruptible_sleep_on_timeout(&adev->in_sleeper, - timeout); + timeout = oss_broken_sleep_on(&adev->in_sleeper, timeout); if (!timeout) { /* FIXME: include device name */ err = -EIO; @@ -768,8 +767,7 @@ static int output_sleep(int dev, int dontblock) timeout_value = dmabuf_timeout(dmap); else timeout_value = MAX_SCHEDULE_TIMEOUT; - timeout_value = interruptible_sleep_on_timeout(&adev->out_sleeper, - timeout_value); + timeout_value = oss_broken_sleep_on(&adev->out_sleeper, timeout_value); if (timeout != MAX_SCHEDULE_TIMEOUT && !timeout_value) { printk(KERN_WARNING "Sound: DMA (output) timed out - IRQ/DRQ config error?\n"); dma_reset_output(dev); diff --git a/sound/oss/dmasound/dmasound.h b/sound/oss/dmasound/dmasound.h index 1308d8d34186..01019f06fa91 100644 --- a/sound/oss/dmasound/dmasound.h +++ b/sound/oss/dmasound/dmasound.h @@ -239,7 +239,6 @@ struct sound_queue { int busy, syncing, xruns, died; }; -#define SLEEP(queue) interruptible_sleep_on_timeout(&queue, HZ) #define WAKE_UP(queue) (wake_up_interruptible(&queue)) extern struct sound_queue dmasound_write_sq; diff --git a/sound/oss/dmasound/dmasound_core.c b/sound/oss/dmasound/dmasound_core.c index bac43b5b6e95..f4ee85a4c42f 100644 --- a/sound/oss/dmasound/dmasound_core.c +++ b/sound/oss/dmasound/dmasound_core.c @@ -619,15 +619,27 @@ static ssize_t sq_write(struct file *file, const char __user *src, size_t uLeft, } while (uLeft) { + DEFINE_WAIT(wait); + while (write_sq.count >= write_sq.max_active) { + prepare_to_wait(&write_sq.action_queue, &wait, TASK_INTERRUPTIBLE); sq_play(); - if (write_sq.non_blocking) + if (write_sq.non_blocking) { + finish_wait(&write_sq.action_queue, &wait); return uWritten > 0 ? uWritten : -EAGAIN; - SLEEP(write_sq.action_queue); - if (signal_pending(current)) + } + if (write_sq.count < write_sq.max_active) + break; + + schedule_timeout(HZ); + if (signal_pending(current)) { + finish_wait(&write_sq.action_queue, &wait); return uWritten > 0 ? uWritten : -EINTR; + } } + finish_wait(&write_sq.action_queue, &wait); + /* Here, we can avoid disabling the interrupt by first * copying and translating the data, and then updating * the write_sq variables. Until this is done, the interrupt @@ -707,11 +719,8 @@ static int sq_open2(struct sound_queue *sq, struct file *file, fmode_t mode, if (file->f_flags & O_NONBLOCK) return rc; rc = -EINTR; - while (sq->busy) { - SLEEP(sq->open_queue); - if (signal_pending(current)) - return rc; - } + if (wait_event_interruptible(sq->open_queue, !sq->busy)) + return rc; rc = 0; #else /* OSS manual says we will return EBUSY regardless @@ -844,7 +853,8 @@ static int sq_fsync(void) sq_play(); /* there may be an incomplete frame waiting */ while (write_sq.active) { - SLEEP(write_sq.sync_queue); + wait_event_interruptible_timeout(write_sq.sync_queue, + !write_sq.active, HZ); if (signal_pending(current)) { /* While waiting for audio output to drain, an * interrupt occurred. Stop audio output immediately diff --git a/sound/oss/midibuf.c b/sound/oss/midibuf.c index 8cdb2cfe65c8..8f45cd999965 100644 --- a/sound/oss/midibuf.c +++ b/sound/oss/midibuf.c @@ -86,9 +86,8 @@ static void drain_midi_queue(int dev) */ if (midi_devs[dev]->buffer_status != NULL) - while (!signal_pending(current) && midi_devs[dev]->buffer_status(dev)) - interruptible_sleep_on_timeout(&midi_sleeper[dev], - HZ/10); + wait_event_interruptible_timeout(midi_sleeper[dev], + !midi_devs[dev]->buffer_status(dev), HZ/10); } static void midi_input_intr(int dev, unsigned char data) @@ -233,8 +232,8 @@ void MIDIbuf_release(int dev, struct file *file) * devices */ - while (!signal_pending(current) && DATA_AVAIL(midi_out_buf[dev])) - interruptible_sleep_on(&midi_sleeper[dev]); + wait_event_interruptible(midi_sleeper[dev], + !DATA_AVAIL(midi_out_buf[dev])); /* * Sync */ @@ -282,8 +281,8 @@ int MIDIbuf_write(int dev, struct file *file, const char __user *buf, int count) goto out; } - interruptible_sleep_on(&midi_sleeper[dev]); - if (signal_pending(current)) + if (wait_event_interruptible(midi_sleeper[dev], + SPACE_AVAIL(midi_out_buf[dev]))) { c = -EINTR; goto out; @@ -325,8 +324,9 @@ int MIDIbuf_read(int dev, struct file *file, char __user *buf, int count) c = -EAGAIN; goto out; } - interruptible_sleep_on_timeout(&input_sleeper[dev], - parms[dev].prech_timeout); + wait_event_interruptible_timeout(input_sleeper[dev], + DATA_AVAIL(midi_in_buf[dev]), + parms[dev].prech_timeout); if (signal_pending(current)) c = -EINTR; /* The user is getting restless */ diff --git a/sound/oss/msnd_pinnacle.c b/sound/oss/msnd_pinnacle.c index 11ff7c55240c..c23f9f95bfa5 100644 --- a/sound/oss/msnd_pinnacle.c +++ b/sound/oss/msnd_pinnacle.c @@ -664,12 +664,15 @@ static long dev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) static void dsp_write_flush(void) { + int timeout = get_play_delay_jiffies(dev.DAPF.len); + if (!(dev.mode & FMODE_WRITE) || !test_bit(F_WRITING, &dev.flags)) return; set_bit(F_WRITEFLUSH, &dev.flags); - interruptible_sleep_on_timeout( - &dev.writeflush, - get_play_delay_jiffies(dev.DAPF.len)); + wait_event_interruptible_timeout( + dev.writeflush, + !test_bit(F_WRITEFLUSH, &dev.flags), + timeout); clear_bit(F_WRITEFLUSH, &dev.flags); if (!signal_pending(current)) { current->state = TASK_INTERRUPTIBLE; @@ -897,6 +900,7 @@ static int dsp_read(char __user *buf, size_t len) { int count = len; char *page = (char *)__get_free_page(GFP_KERNEL); + int timeout = get_rec_delay_jiffies(DAR_BUFF_SIZE); if (!page) return -ENOMEM; @@ -936,11 +940,11 @@ static int dsp_read(char __user *buf, size_t len) if (count > 0) { set_bit(F_READBLOCK, &dev.flags); - if (!interruptible_sleep_on_timeout( - &dev.readblock, - get_rec_delay_jiffies(DAR_BUFF_SIZE))) + if (wait_event_interruptible_timeout( + dev.readblock, + test_bit(F_READBLOCK, &dev.flags), + timeout) <= 0) clear_bit(F_READING, &dev.flags); - clear_bit(F_READBLOCK, &dev.flags); if (signal_pending(current)) { free_page((unsigned long)page); return -EINTR; @@ -955,6 +959,7 @@ static int dsp_write(const char __user *buf, size_t len) { int count = len; char *page = (char *)__get_free_page(GFP_KERNEL); + int timeout = get_play_delay_jiffies(DAP_BUFF_SIZE); if (!page) return -ENOMEM; @@ -995,10 +1000,10 @@ static int dsp_write(const char __user *buf, size_t len) if (count > 0) { set_bit(F_WRITEBLOCK, &dev.flags); - interruptible_sleep_on_timeout( - &dev.writeblock, - get_play_delay_jiffies(DAP_BUFF_SIZE)); - clear_bit(F_WRITEBLOCK, &dev.flags); + wait_event_interruptible_timeout( + dev.writeblock, + test_bit(F_WRITEBLOCK, &dev.flags), + timeout); if (signal_pending(current)) { free_page((unsigned long)page); return -EINTR; @@ -1044,7 +1049,7 @@ static __inline__ void eval_dsp_msg(register WORD wMessage) clear_bit(F_WRITING, &dev.flags); } - if (test_bit(F_WRITEBLOCK, &dev.flags)) + if (test_and_clear_bit(F_WRITEBLOCK, &dev.flags)) wake_up_interruptible(&dev.writeblock); break; @@ -1055,7 +1060,7 @@ static __inline__ void eval_dsp_msg(register WORD wMessage) pack_DARQ_to_DARF(dev.last_recbank); - if (test_bit(F_READBLOCK, &dev.flags)) + if (test_and_clear_bit(F_READBLOCK, &dev.flags)) wake_up_interruptible(&dev.readblock); break; diff --git a/sound/oss/sequencer.c b/sound/oss/sequencer.c index 4ff60a6427d9..9b9f7d385134 100644 --- a/sound/oss/sequencer.c +++ b/sound/oss/sequencer.c @@ -19,6 +19,7 @@ #include "sound_config.h" #include "midi_ctrl.h" +#include "sleep.h" static int sequencer_ok; static struct sound_timer_operations *tmr; @@ -100,8 +101,7 @@ int sequencer_read(int dev, struct file *file, char __user *buf, int count) return -EAGAIN; } - interruptible_sleep_on_timeout(&midi_sleeper, - pre_event_timeout); + oss_broken_sleep_on(&midi_sleeper, pre_event_timeout); spin_lock_irqsave(&lock,flags); if (!iqlen) { @@ -343,7 +343,7 @@ static int seq_queue(unsigned char *note, char nonblock) /* * Sleep until there is enough space on the queue */ - interruptible_sleep_on(&seq_sleeper); + oss_broken_sleep_on(&seq_sleeper, MAX_SCHEDULE_TIMEOUT); } if (qlen >= SEQ_MAX_QUEUE) { @@ -1122,8 +1122,7 @@ static void seq_drain_midi_queues(void) */ if (n) - interruptible_sleep_on_timeout(&seq_sleeper, - HZ/10); + oss_broken_sleep_on(&seq_sleeper, HZ/10); } } @@ -1145,8 +1144,7 @@ void sequencer_release(int dev, struct file *file) while (!signal_pending(current) && qlen > 0) { seq_sync(); - interruptible_sleep_on_timeout(&seq_sleeper, - 3*HZ); + oss_broken_sleep_on(&seq_sleeper, 3*HZ); /* Extra delay */ } } @@ -1201,7 +1199,7 @@ static int seq_sync(void) seq_startplay(); if (qlen > 0) - interruptible_sleep_on_timeout(&seq_sleeper, HZ); + oss_broken_sleep_on(&seq_sleeper, HZ); return qlen; } @@ -1224,7 +1222,7 @@ static void midi_outc(int dev, unsigned char data) spin_lock_irqsave(&lock,flags); while (n && !midi_devs[dev]->outputc(dev, data)) { - interruptible_sleep_on_timeout(&seq_sleeper, HZ/25); + oss_broken_sleep_on(&seq_sleeper, HZ/25); n--; } spin_unlock_irqrestore(&lock,flags); diff --git a/sound/oss/sleep.h b/sound/oss/sleep.h new file mode 100644 index 000000000000..a20fc925a5ce --- /dev/null +++ b/sound/oss/sleep.h @@ -0,0 +1,18 @@ +#include <linux/wait.h> + +/* + * Do not use. This is a replacement for the old + * "interruptible_sleep_on_timeout" function that has been + * deprecated for ages. All users should instead try to use + * wait_event_interruptible_timeout. + */ + +static inline long +oss_broken_sleep_on(wait_queue_head_t *q, long timeout) +{ + DEFINE_WAIT(wait); + prepare_to_wait(q, &wait, TASK_INTERRUPTIBLE); + timeout = schedule_timeout(timeout); + finish_wait(q, &wait); + return timeout; +} diff --git a/sound/oss/swarm_cs4297a.c b/sound/oss/swarm_cs4297a.c index 7d8803a00b79..f851fd0e199c 100644 --- a/sound/oss/swarm_cs4297a.c +++ b/sound/oss/swarm_cs4297a.c @@ -90,6 +90,8 @@ #include <asm/sibyte/sb1250_mac.h> #include <asm/sibyte/sb1250.h> +#include "sleep.h" + struct cs4297a_state; static DEFINE_MUTEX(swarm_cs4297a_mutex); @@ -748,7 +750,7 @@ static int serdma_reg_access(struct cs4297a_state *s, u64 data) /* Since a writer has the DSP open, we have to mux the request in */ s->reg_request = data; - interruptible_sleep_on(&s->dma_dac.reg_wait); + oss_broken_sleep_on(&s->dma_dac.reg_wait, MAX_SCHEDULE_TIMEOUT); /* XXXKW how can I deal with the starvation case where the opener isn't writing? */ } else { @@ -790,7 +792,7 @@ static int cs4297a_read_ac97(struct cs4297a_state *s, u32 offset, if (serdma_reg_access(s, (0xCLL << 60) | (1LL << 47) | ((u64)(offset & 0x7F) << 40))) return -1; - interruptible_sleep_on(&s->dma_adc.reg_wait); + oss_broken_sleep_on(&s->dma_adc.reg_wait, MAX_SCHEDULE_TIMEOUT); *value = s->read_value; CS_DBGOUT(CS_AC97, 2, printk(KERN_INFO "cs4297a: rdr reg %x -> %x\n", s->read_reg, s->read_value)); @@ -1740,7 +1742,7 @@ static ssize_t cs4297a_read(struct file *file, char *buffer, size_t count, start_adc(s); if (file->f_flags & O_NONBLOCK) return ret ? ret : -EAGAIN; - interruptible_sleep_on(&s->dma_adc.wait); + oss_broken_sleep_on(&s->dma_adc.wait, MAX_SCHEDULE_TIMEOUT); if (signal_pending(current)) return ret ? ret : -ERESTARTSYS; continue; @@ -1836,7 +1838,7 @@ static ssize_t cs4297a_write(struct file *file, const char *buffer, start_dac(s); if (file->f_flags & O_NONBLOCK) return ret ? ret : -EAGAIN; - interruptible_sleep_on(&d->wait); + oss_broken_sleep_on(&d->wait, MAX_SCHEDULE_TIMEOUT); if (signal_pending(current)) return ret ? ret : -ERESTARTSYS; continue; @@ -2452,7 +2454,7 @@ static int cs4297a_locked_open(struct inode *inode, struct file *file) return -EBUSY; } mutex_unlock(&s->open_sem_dac); - interruptible_sleep_on(&s->open_wait_dac); + oss_broken_sleep_on(&s->open_wait_dac, MAX_SCHEDULE_TIMEOUT); if (signal_pending(current)) { printk("open - sig pending\n"); @@ -2469,7 +2471,7 @@ static int cs4297a_locked_open(struct inode *inode, struct file *file) return -EBUSY; } mutex_unlock(&s->open_sem_adc); - interruptible_sleep_on(&s->open_wait_adc); + oss_broken_sleep_on(&s->open_wait_adc, MAX_SCHEDULE_TIMEOUT); if (signal_pending(current)) { printk("open - sig pending\n"); diff --git a/sound/oss/vwsnd.c b/sound/oss/vwsnd.c index 4bbcc0fcd4eb..a077e9c69a5e 100644 --- a/sound/oss/vwsnd.c +++ b/sound/oss/vwsnd.c @@ -2921,6 +2921,7 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file) vwsnd_dev_t *devc; int minor = iminor(inode); int sw_samplefmt; + DEFINE_WAIT(wait); DBGE("(inode=0x%p, file=0x%p)\n", inode, file); @@ -2937,21 +2938,26 @@ static int vwsnd_audio_open(struct inode *inode, struct file *file) } mutex_lock(&devc->open_mutex); - while (devc->open_mode & file->f_mode) { + while (1) { + prepare_to_wait(&devc->open_wait, &wait, TASK_INTERRUPTIBLE); + if (!(devc->open_mode & file->f_mode)) + break; + mutex_unlock(&devc->open_mutex); + mutex_unlock(&vwsnd_mutex); if (file->f_flags & O_NONBLOCK) { DEC_USE_COUNT; - mutex_unlock(&vwsnd_mutex); return -EBUSY; } - interruptible_sleep_on(&devc->open_wait); + schedule(); if (signal_pending(current)) { DEC_USE_COUNT; - mutex_unlock(&vwsnd_mutex); return -ERESTARTSYS; } + mutex_lock(&vwsnd_mutex); mutex_lock(&devc->open_mutex); } + finish_wait(&devc->open_wait, &wait); devc->open_mode |= file->f_mode & (FMODE_READ | FMODE_WRITE); mutex_unlock(&devc->open_mutex); |