diff options
Diffstat (limited to 'sys/fs/fifofs')
| -rw-r--r-- | sys/fs/fifofs/fifo_vnops.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/fs/fifofs/fifo_vnops.c b/sys/fs/fifofs/fifo_vnops.c index 80fe7b6..c35a8a0 100644 --- a/sys/fs/fifofs/fifo_vnops.c +++ b/sys/fs/fifofs/fifo_vnops.c @@ -211,7 +211,9 @@ fail1: } fip->fi_readers = fip->fi_writers = 0; wso->so_snd.sb_lowat = PIPE_BUF; + SOCKBUF_LOCK(&rso->so_rcv); rso->so_rcv.sb_state |= SBS_CANTRCVMORE; + SOCKBUF_UNLOCK(&rso->so_rcv); vp->v_fifoinfo = fip; } @@ -229,7 +231,9 @@ fail1: if (ap->a_mode & FREAD) { fip->fi_readers++; if (fip->fi_readers == 1) { + SOCKBUF_LOCK(&fip->fi_writesock->so_snd); fip->fi_writesock->so_snd.sb_state &= ~SBS_CANTSENDMORE; + SOCKBUF_UNLOCK(&fip->fi_writesock->so_snd); if (fip->fi_writers > 0) { wakeup(&fip->fi_writers); sowwakeup(fip->fi_writesock); @@ -243,7 +247,9 @@ fail1: } fip->fi_writers++; if (fip->fi_writers == 1) { + SOCKBUF_LOCK(&fip->fi_writesock->so_rcv); fip->fi_readsock->so_rcv.sb_state &= ~SBS_CANTRCVMORE; + SOCKBUF_UNLOCK(&fip->fi_writesock->so_rcv); if (fip->fi_readers > 0) { wakeup(&fip->fi_readers); sorwakeup(fip->fi_writesock); |
