Disable memory mapping if we open the device in O_WRONLY. Unfortunately we cannot do mmap() in Linux without opening the device for reading as well.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1549 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-07-26 19:55:51 +00:00
parent c936e53fa2
commit 8e4660a0b5

View file

@ -1078,7 +1078,12 @@ int pa__init(pa_core *c, pa_module*m) {
goto fail; goto fail;
if (use_mmap && (!(caps & DSP_CAP_MMAP) || !(caps & DSP_CAP_TRIGGER))) { if (use_mmap && (!(caps & DSP_CAP_MMAP) || !(caps & DSP_CAP_TRIGGER))) {
pa_log("OSS device not mmap capable, falling back to UNIX read/write mode"); pa_log_info("OSS device not mmap capable, falling back to UNIX read/write mode.");
use_mmap = 0;
}
if (use_mmap && mode == O_WRONLY) {
pa_log_info("Device opened for write only, cannot do memory mapping, falling back to UNIX read/write mode.");
use_mmap = 0; use_mmap = 0;
} }