qf/quakeforge
0
0
Fork 0
mirror of https://git.code.sf.net/p/quake/quakeforge synced 2025-01-17 22:50:51 +00:00
Code Issues Projects Releases Packages Wiki Activity

round the mmap length up to the nearest page size

Browse source
This commit is contained in:
Bill Currie 2003-04-30 14:55:58 +00:00
parent 95ae17acc1
commit 06608fbf37
1 changed files with 5 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
libs/audio/targets/snd_oss.c
View file

@ -264,8 +264,11 @@ SNDDMA_Init (void)
}
if (mmaped_io) { // memory map the dma buffer
shm->buffer = (byte *) mmap (NULL, info.fragstotal * info.fragsize,
mmmode, mmflags, audio_fd, 0);
unsigned long sz = sysconf (_SC_PAGESIZE);
unsigned long len = info.fragstotal * info.fragsize;
len = (len + sz - 1) & ~(sz - 1);
shm->buffer = (byte *) mmap (NULL, len, mmmode, mmflags, audio_fd, 0);
if (shm->buffer == MAP_FAILED) {
perror (snd_dev);
Sys_Printf ("Could not mmap %s\n", snd_dev);