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Fixed nasty bug when we used more ipc buffers for interleaved access

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This commit is contained in:
Jaroslav Kysela 2003-02-28 20:32:07 +00:00
parent 1ac62945f8
commit 8faee9967f
1 changed files with 11 additions and 0 deletions
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11
src/pcm/pcm_mmap.c
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@ -363,6 +363,17 @@ int snd_pcm_mmap(snd_pcm_t *pcm)
} }
i->u.shm.shmid = id; i->u.shm.shmid = id;
i->u.shm.remove = 1; i->u.shm.remove = 1;
if (pcm->access == SND_PCM_ACCESS_MMAP_INTERLEAVED ||
pcm->access == SND_PCM_ACCESS_RW_INTERLEAVED) {
unsigned int c1;
for (c1 = c + 1; c1 < pcm->channels; c1++) {
snd_pcm_channel_info_t *i1 = &pcm->mmap_channels[c1];
if (i1->u.shm.shmid < 0) {
i1->u.shm.shmid = id;
i1->u.shm.remove = 1;
}
}
}
} }
ptr = shmat(i->u.shm.shmid, 0, 0); ptr = shmat(i->u.shm.shmid, 0, 0);
if (ptr == (void*) -1) { if (ptr == (void*) -1) {