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check that we run dev_cycle at block boundary

This commit is contained in:
Alexandre Ratchov 2012-11-02 14:15:24 +01:00
parent 22b132cf3a
commit 285549a2fb
1 changed files with 15 additions and 1 deletions
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16
sndiod/siofile.c
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@ -318,6 +318,19 @@ dev_sio_run(void *arg)
d->sio.cstate = DEV_SIO_CYCLE;
break;
case DEV_SIO_CYCLE:
#ifdef DEBUG
/*
* check that we're called at cycle boundary:
* either after a recorded block, or when POLLOUT is
* raised
*/
if (!((d->mode & MODE_REC) && d->prime == 0) &&
!(d->sio.events & POLLOUT)) {
dev_log(d);
log_puts(": cycle not at block boundary\n");
panic();
}
#endif
dev_cycle(d);
if (d->mode & MODE_PLAY) {
d->sio.cstate = DEV_SIO_WRITE;
@ -331,7 +344,8 @@ dev_sio_run(void *arg)
case DEV_SIO_WRITE:
#ifdef DEBUG
if (d->sio.todo == 0) {
log_puts("dev_sio_write: can't write data\n");
dev_log(d);
log_puts(": can't write data\n");
panic();
}
#endif