diff options
| author | Ethan Sommer <e5ten.arch@gmail.com> | 2020-05-22 21:04:55 -0400 |
|---|---|---|
| committer | Ethan Sommer <e5ten.arch@gmail.com> | 2020-05-24 01:50:56 -0400 |
| commit | f317464b8a1567410ceb4191f47b4e0eec320447 (patch) | |
| tree | 220fa26f384d6ce377316f172ea4fd7dc6903ae5 | |
| parent | 6ef70e16da9c83db73861561d32830f6448db55d (diff) | |
src/pcm.c: remove MAP_FILE mmap flag
MAP_FILE is a non-standard mmap flag, and has no effect on conformant
systems.
| -rw-r--r-- | src/pcm.c | 6 |
1 files changed, 3 insertions, 3 deletions
@@ -405,7 +405,7 @@ int pcm_set_config(struct pcm *pcm, const struct pcm_config *config) if (pcm->flags & PCM_MMAP) { pcm->mmap_buffer = mmap(NULL, pcm_frames_to_bytes(pcm, pcm->buffer_size), - PROT_READ | PROT_WRITE, MAP_FILE | MAP_SHARED, pcm->fd, 0); + PROT_READ | PROT_WRITE, MAP_SHARED, pcm->fd, 0); if (pcm->mmap_buffer == MAP_FAILED) { int errno_copy = errno; oops(pcm, errno, "failed to mmap buffer %d bytes\n", @@ -544,7 +544,7 @@ static int pcm_hw_mmap_status(struct pcm *pcm) return 0; int page_size = sysconf(_SC_PAGE_SIZE); - pcm->mmap_status = mmap(NULL, page_size, PROT_READ, MAP_FILE | MAP_SHARED, + pcm->mmap_status = mmap(NULL, page_size, PROT_READ, MAP_SHARED, pcm->fd, SNDRV_PCM_MMAP_OFFSET_STATUS); if (pcm->mmap_status == MAP_FAILED) pcm->mmap_status = NULL; @@ -552,7 +552,7 @@ static int pcm_hw_mmap_status(struct pcm *pcm) goto mmap_error; pcm->mmap_control = mmap(NULL, page_size, PROT_READ | PROT_WRITE, - MAP_FILE | MAP_SHARED, pcm->fd, SNDRV_PCM_MMAP_OFFSET_CONTROL); + MAP_SHARED, pcm->fd, SNDRV_PCM_MMAP_OFFSET_CONTROL); if (pcm->mmap_control == MAP_FAILED) pcm->mmap_control = NULL; if (!pcm->mmap_control) { |