diff options
Diffstat (limited to 'gnuradio-runtime/lib/vmcircbuf_sysv_shm.cc')
| -rw-r--r-- | gnuradio-runtime/lib/vmcircbuf_sysv_shm.cc | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/gnuradio-runtime/lib/vmcircbuf_sysv_shm.cc b/gnuradio-runtime/lib/vmcircbuf_sysv_shm.cc index 4d8741807b..27ad4f3829 100644 --- a/gnuradio-runtime/lib/vmcircbuf_sysv_shm.cc +++ b/gnuradio-runtime/lib/vmcircbuf_sysv_shm.cc @@ -64,24 +64,24 @@ namespace gr { // Attempt to allocate buffers (handle bad_alloc errors) int attempts_remain(MAX_SYSV_SHM_ATTEMPTS); while(attempts_remain-- > 0){ - + int shmid_guard = -1; int shmid1 = -1; int shmid2 = -1; - + // We use this as a guard page. We'll map it read-only on both ends of the buffer. // Ideally we'd map it no access, but I don't think that's possible with SysV if((shmid_guard = shmget(IPC_PRIVATE, pagesize, IPC_CREAT | 0400)) == -1) { perror("gr::vmcircbuf_sysv_shm: shmget (0)"); continue; } - + if((shmid2 = shmget(IPC_PRIVATE, 2 * size + 2 * pagesize, IPC_CREAT | 0700)) == -1) { perror("gr::vmcircbuf_sysv_shm: shmget(1)"); shmctl(shmid_guard, IPC_RMID, 0); continue; } - + if((shmid1 = shmget(IPC_PRIVATE, size, IPC_CREAT | 0700)) == -1) { perror("gr::vmcircbuf_sysv_shm: shmget (2)"); shmctl(shmid_guard, IPC_RMID, 0); @@ -148,7 +148,7 @@ namespace gr { shmctl(shmid1, IPC_RMID, 0); shmctl(shmid_guard, IPC_RMID, 0); - + // Now remember the important stuff d_base = (char*)first_copy + pagesize; d_size = size; |