diff -urN 2.2.18pre21/arch/sparc64/solaris/timod.c sigio/arch/sparc64/solaris/timod.c --- 2.2.18pre21/arch/sparc64/solaris/timod.c Mon Jan 17 16:44:36 2000 +++ sigio/arch/sparc64/solaris/timod.c Thu Nov 16 15:09:00 2000 @@ -154,7 +154,7 @@ sock = ¤t->files->fd[fd]->f_dentry->d_inode->u.socket_i; wake_up_interruptible(&sock->wait); if (sock->fasync_list && !(sock->flags & SO_WAITDATA)) - kill_fasync(sock->fasync_list, SIGIO); + kill_fasync(sock->fasync_list, SIGIO, POLL_IN); SOLD("done"); } diff -urN 2.2.18pre21/drivers/char/adbmouse.c sigio/drivers/char/adbmouse.c --- 2.2.18pre21/drivers/char/adbmouse.c Tue Sep 5 02:28:40 2000 +++ sigio/drivers/char/adbmouse.c Thu Nov 16 15:09:00 2000 @@ -135,7 +135,7 @@ mouse.ready = 1; wake_up_interruptible(&mouse.wait); if (mouse.fasyncptr) - kill_fasync(mouse.fasyncptr, SIGIO); + kill_fasync(mouse.fasyncptr, SIGIO, POLL_IN); } static int fasync_mouse(int fd, struct file *filp, int on) diff -urN 2.2.18pre21/drivers/char/amigamouse.c sigio/drivers/char/amigamouse.c --- 2.2.18pre21/drivers/char/amigamouse.c Mon Jan 17 16:44:37 2000 +++ sigio/drivers/char/amigamouse.c Thu Nov 16 15:09:00 2000 @@ -154,7 +154,7 @@ mouse.dy = 2048; if (mouse.fasyncptr) - kill_fasync(mouse.fasyncptr, SIGIO); + kill_fasync(mouse.fasyncptr, SIGIO, POLL_IN); } AMI_MSE_INT_ON(); } diff -urN 2.2.18pre21/drivers/char/atarimouse.c sigio/drivers/char/atarimouse.c --- 2.2.18pre21/drivers/char/atarimouse.c Mon Jan 17 16:44:37 2000 +++ sigio/drivers/char/atarimouse.c Thu Nov 16 15:09:00 2000 @@ -49,7 +49,7 @@ mouse.ready = 1; wake_up_interruptible(&mouse.wait); if (mouse.fasyncptr) - kill_fasync(mouse.fasyncptr, SIGIO); + kill_fasync(mouse.fasyncptr, SIGIO, POLL_IN); /* ikbd_mouse_rel_pos(); */ } diff -urN 2.2.18pre21/drivers/char/atixlmouse.c sigio/drivers/char/atixlmouse.c --- 2.2.18pre21/drivers/char/atixlmouse.c Mon Jan 17 16:44:37 2000 +++ sigio/drivers/char/atixlmouse.c Thu Nov 16 15:09:00 2000 @@ -90,7 +90,7 @@ mouse.ready = 1; wake_up_interruptible(&mouse.wait); if (mouse.fasync) - kill_fasync(mouse.fasync, SIGIO); + kill_fasync(mouse.fasync, SIGIO, POLL_IN); } ATIXL_MSE_ENABLE_UPDATE(); } diff -urN 2.2.18pre21/drivers/char/busmouse.c sigio/drivers/char/busmouse.c --- 2.2.18pre21/drivers/char/busmouse.c Sun Apr 2 21:07:48 2000 +++ sigio/drivers/char/busmouse.c Thu Nov 16 15:09:00 2000 @@ -105,7 +105,7 @@ mouse.dy = 2048; if (mouse.fasyncptr) - kill_fasync(mouse.fasyncptr, SIGIO); + kill_fasync(mouse.fasyncptr, SIGIO, POLL_IN); } MSE_INT_ON(); } diff -urN 2.2.18pre21/drivers/char/dn_keyb.c sigio/drivers/char/dn_keyb.c --- 2.2.18pre21/drivers/char/dn_keyb.c Mon Jan 17 16:44:37 2000 +++ sigio/drivers/char/dn_keyb.c Thu Nov 16 15:09:00 2000 @@ -468,7 +468,7 @@ if (mouse_dy > 2048) mouse_dy = 2048; if (mouse_fasyncptr) - kill_fasync(mouse_fasyncptr, SIGIO); + kill_fasync(mouse_fasyncptr, SIGIO, POLL_IN); } mouse_byte_count=0; /* printk("mouse: %d, %d, %x\n",mouse_x,mouse_y,buttons); */ diff -urN 2.2.18pre21/drivers/char/drm/fops.c sigio/drivers/char/drm/fops.c --- 2.2.18pre21/drivers/char/drm/fops.c Sun Nov 12 00:45:34 2000 +++ sigio/drivers/char/drm/fops.c Thu Nov 16 15:09:00 2000 @@ -216,7 +216,7 @@ } #if LINUX_VERSION_CODE < 0x020400 - if (dev->buf_async) kill_fasync(dev->buf_async, SIGIO); + if (dev->buf_async) kill_fasync(dev->buf_async, SIGIO, POLL_IN); #else /* Type of first parameter changed in Linux 2.4.0-test2... */ diff -urN 2.2.18pre21/drivers/char/msbusmouse.c sigio/drivers/char/msbusmouse.c --- 2.2.18pre21/drivers/char/msbusmouse.c Sun Apr 2 21:07:48 2000 +++ sigio/drivers/char/msbusmouse.c Thu Nov 16 15:09:00 2000 @@ -89,7 +89,7 @@ mouse.ready = 1; wake_up_interruptible(&mouse.wait); if (mouse.fasyncptr) - kill_fasync(mouse.fasyncptr, SIGIO); + kill_fasync(mouse.fasyncptr, SIGIO, POLL_IN); } } diff -urN 2.2.18pre21/drivers/char/n_hdlc.c sigio/drivers/char/n_hdlc.c --- 2.2.18pre21/drivers/char/n_hdlc.c Sun Nov 12 00:45:35 2000 +++ sigio/drivers/char/n_hdlc.c Thu Nov 16 15:09:00 2000 @@ -653,11 +653,7 @@ wake_up_interruptible (&n_hdlc->read_wait); wake_up_interruptible (&n_hdlc->poll_wait); if (n_hdlc->tty->fasync != NULL) -#if LINUX_VERSION_CODE < VERSION(2,3,0) - kill_fasync (n_hdlc->tty->fasync, SIGIO); -#else kill_fasync (n_hdlc->tty->fasync, SIGIO, POLL_IN); -#endif } /* end of n_hdlc_tty_receive() */ /* n_hdlc_tty_read() diff -urN 2.2.18pre21/drivers/char/n_tty.c sigio/drivers/char/n_tty.c --- 2.2.18pre21/drivers/char/n_tty.c Tue Sep 5 02:28:41 2000 +++ sigio/drivers/char/n_tty.c Thu Nov 16 15:09:00 2000 @@ -635,7 +635,7 @@ tty->canon_head = tty->read_head; tty->canon_data++; if (tty->fasync) - kill_fasync(tty->fasync, SIGIO); + kill_fasync(tty->fasync, SIGIO, POLL_IN); if (tty->read_wait || tty->poll_wait) { wake_up_interruptible(&tty->read_wait); @@ -743,7 +743,7 @@ if (!tty->icanon && (tty->read_cnt >= tty->minimum_to_wake)) { if (tty->fasync) - kill_fasync(tty->fasync, SIGIO); + kill_fasync(tty->fasync, SIGIO, POLL_IN); if (tty->read_wait||tty->poll_wait) { wake_up_interruptible(&tty->read_wait); diff -urN 2.2.18pre21/drivers/char/pc110pad.c sigio/drivers/char/pc110pad.c --- 2.2.18pre21/drivers/char/pc110pad.c Mon Jan 17 16:44:37 2000 +++ sigio/drivers/char/pc110pad.c Thu Nov 16 15:09:00 2000 @@ -75,7 +75,7 @@ { wake_up_interruptible(&queue); if(asyncptr) - kill_fasync(asyncptr, SIGIO); + kill_fasync(asyncptr, SIGIO, POLL_IN); } diff -urN 2.2.18pre21/drivers/char/pc_keyb.c sigio/drivers/char/pc_keyb.c --- 2.2.18pre21/drivers/char/pc_keyb.c Sun Nov 12 00:45:35 2000 +++ sigio/drivers/char/pc_keyb.c Thu Nov 16 15:09:00 2000 @@ -424,7 +424,7 @@ if (head != queue->tail) { queue->head = head; if (queue->fasync) - kill_fasync(queue->fasync, SIGIO); + kill_fasync(queue->fasync, SIGIO, POLL_IN); wake_up_interruptible(&queue->proc_list); } } diff -urN 2.2.18pre21/drivers/char/qpmouse.c sigio/drivers/char/qpmouse.c --- 2.2.18pre21/drivers/char/qpmouse.c Sun Nov 12 00:45:35 2000 +++ sigio/drivers/char/qpmouse.c Thu Nov 16 15:09:00 2000 @@ -134,7 +134,7 @@ } queue->head = head; if (queue->fasync) - kill_fasync(queue->fasync, SIGIO); + kill_fasync(queue->fasync, SIGIO, POLL_IN); wake_up_interruptible(&queue->proc_list); } diff -urN 2.2.18pre21/drivers/i2o/i2o_config.c sigio/drivers/i2o/i2o_config.c --- 2.2.18pre21/drivers/i2o/i2o_config.c Tue Jun 13 03:48:13 2000 +++ sigio/drivers/i2o/i2o_config.c Thu Nov 16 15:09:00 2000 @@ -164,7 +164,7 @@ // inf->fp, inf->q_id, inf->q_len); if(inf->fasync) - kill_fasync(inf->fasync, SIGIO); + kill_fasync(inf->fasync, SIGIO, POLL_IN); } return; diff -urN 2.2.18pre21/drivers/net/ppp.c sigio/drivers/net/ppp.c --- 2.2.18pre21/drivers/net/ppp.c Tue Sep 5 02:28:43 2000 +++ sigio/drivers/net/ppp.c Thu Nov 16 15:09:00 2000 @@ -2382,7 +2382,7 @@ wake_up_interruptible (&ppp->read_wait); if (ppp->tty->fasync != NULL) - kill_fasync (ppp->tty->fasync, SIGIO); + kill_fasync (ppp->tty->fasync, SIGIO, POLL_IN); return 1; } diff -urN 2.2.18pre21/drivers/sbus/char/pcikbd.c sigio/drivers/sbus/char/pcikbd.c --- 2.2.18pre21/drivers/sbus/char/pcikbd.c Thu May 4 13:00:39 2000 +++ sigio/drivers/sbus/char/pcikbd.c Thu Nov 16 15:09:00 2000 @@ -779,7 +779,7 @@ queue->head = head; aux_ready = 1; if (queue->fasync) - kill_fasync(queue->fasync, SIGIO); + kill_fasync(queue->fasync, SIGIO, POLL_IN); wake_up_interruptible(&queue->proc_list); } diff -urN 2.2.18pre21/drivers/sbus/char/sunkbd.c sigio/drivers/sbus/char/sunkbd.c --- 2.2.18pre21/drivers/sbus/char/sunkbd.c Mon Jan 17 16:44:39 2000 +++ sigio/drivers/sbus/char/sunkbd.c Thu Nov 16 15:09:00 2000 @@ -1278,7 +1278,7 @@ kbd_head = next; } if (kb_fasync) - kill_fasync (kb_fasync, SIGIO); + kill_fasync (kb_fasync, SIGIO, POLL_IN); wake_up_interruptible (&kbd_wait); } diff -urN 2.2.18pre21/drivers/sbus/char/sunmouse.c sigio/drivers/sbus/char/sunmouse.c --- 2.2.18pre21/drivers/sbus/char/sunmouse.c Tue Jun 13 03:48:13 2000 +++ sigio/drivers/sbus/char/sunmouse.c Thu Nov 16 15:09:00 2000 @@ -137,7 +137,7 @@ } sunmouse.ready = 1; if (sunmouse.fasync) - kill_fasync (sunmouse.fasync, SIGIO); + kill_fasync (sunmouse.fasync, SIGIO, POLL_IN); wake_up_interruptible (&sunmouse.proc_list); } @@ -365,7 +365,7 @@ */ sunmouse.ready = 1; if (sunmouse.fasync) - kill_fasync (sunmouse.fasync, SIGIO); + kill_fasync (sunmouse.fasync, SIGIO, POLL_IN); wake_up_interruptible(&sunmouse.proc_list); } return; diff -urN 2.2.18pre21/drivers/scsi/sg.c sigio/drivers/scsi/sg.c --- 2.2.18pre21/drivers/scsi/sg.c Tue Sep 5 02:28:44 2000 +++ sigio/drivers/scsi/sg.c Thu Nov 16 15:09:00 2000 @@ -831,7 +831,7 @@ if (sfp && srp) { wake_up_interruptible(&sfp->read_wait); if (sfp->async_qp) - kill_fasync(sfp->async_qp, SIGPOLL); + kill_fasync(sfp->async_qp, SIGIO, POLL_IN); } } diff -urN 2.2.18pre21/drivers/sgi/char/shmiq.c sigio/drivers/sgi/char/shmiq.c --- 2.2.18pre21/drivers/sgi/char/shmiq.c Mon Jan 17 16:44:40 2000 +++ sigio/drivers/sgi/char/shmiq.c Thu Nov 16 15:09:00 2000 @@ -118,7 +118,7 @@ s->tail = tail_next; shmiqs [device].tail = tail_next; if (shmiqs [device].fasync) - kill_fasync (shmiqs [device].fasync, SIGIO); + kill_fasync (shmiqs [device].fasync, SIGIO, POLL_IN); wake_up_interruptible (&shmiqs [device].proc_list); } diff -urN 2.2.18pre21/drivers/telephony/ixj.c sigio/drivers/telephony/ixj.c --- 2.2.18pre21/drivers/telephony/ixj.c Sun Nov 12 00:45:41 2000 +++ sigio/drivers/telephony/ixj.c Thu Nov 16 15:09:00 2000 @@ -536,7 +536,7 @@ extern __inline__ void ixj_kill_fasync(int board) { if (ixj[board].async_queue) - kill_fasync(ixj[board].async_queue, SIGIO); // Send apps notice of change + kill_fasync(ixj[board].async_queue, SIGIO, POLL_IN); // Send apps notice of change } static void ixj_timeout(unsigned long ptr) diff -urN 2.2.18pre21/drivers/usb/evdev.c sigio/drivers/usb/evdev.c --- 2.2.18pre21/drivers/usb/evdev.c Sun Nov 12 00:45:41 2000 +++ sigio/drivers/usb/evdev.c Thu Nov 16 15:09:00 2000 @@ -74,7 +74,7 @@ list->buffer[list->head].value = value; list->head = (list->head + 1) & (EVDEV_BUFFER_SIZE - 1); - kill_fasync(list->fasync, SIGIO); + kill_fasync(list->fasync, SIGIO, POLL_IN); list = list->next; } diff -urN 2.2.18pre21/drivers/usb/joydev.c sigio/drivers/usb/joydev.c --- 2.2.18pre21/drivers/usb/joydev.c Sun Nov 12 00:45:41 2000 +++ sigio/drivers/usb/joydev.c Thu Nov 16 15:09:00 2000 @@ -143,7 +143,7 @@ if (list->tail == (list->head = (list->head + 1) & (JOYDEV_BUFFER_SIZE - 1))) list->startup = 0; - kill_fasync(list->fasync, SIGIO); + kill_fasync(list->fasync, SIGIO, POLL_IN); list = list->next; } diff -urN 2.2.18pre21/drivers/usb/mousedev.c sigio/drivers/usb/mousedev.c --- 2.2.18pre21/drivers/usb/mousedev.c Sun Nov 12 00:45:41 2000 +++ sigio/drivers/usb/mousedev.c Thu Nov 16 15:09:00 2000 @@ -143,7 +143,7 @@ list->ready = 1; - kill_fasync(list->fasync, SIGIO); + kill_fasync(list->fasync, SIGIO, POLL_IN); list = list->next; } @@ -321,7 +321,7 @@ list->buffer = list->bufsiz; } - kill_fasync(list->fasync, SIGIO); + kill_fasync(list->fasync, SIGIO, POLL_IN); wake_up_interruptible(&list->mousedev->wait); diff -urN 2.2.18pre21/fs/fcntl.c sigio/fs/fcntl.c --- 2.2.18pre21/fs/fcntl.c Mon Jan 17 16:44:43 2000 +++ sigio/fs/fcntl.c Thu Nov 16 16:12:36 2000 @@ -8,6 +8,8 @@ #include #include +#include +#include #include extern int sock_fcntl (struct file *, unsigned int cmd, unsigned long arg); @@ -223,7 +225,19 @@ return err; } -static void send_sigio(struct fown_struct *fown, struct fasync_struct *fa) +/* Table to convert sigio signal codes into poll band bitmaps */ + +static int band_table[NSIGPOLL] = { + POLLIN | POLLRDNORM, /* POLL_IN */ + POLLOUT | POLLWRNORM | POLLWRBAND, /* POLL_OUT */ + POLLIN | POLLRDNORM | POLLMSG, /* POLL_MSG */ + POLLERR, /* POLL_ERR */ + POLLPRI | POLLRDBAND, /* POLL_PRI */ + POLLHUP | POLLERR /* POLL_HUP */ +}; + +static void send_sigio(struct fown_struct *fown, struct fasync_struct *fa, + int reason) { struct task_struct * p; int pid = fown->pid; @@ -252,9 +266,12 @@ back to SIGIO in that case. --sct */ si.si_signo = fown->signum; si.si_errno = 0; - si.si_code = SI_SIGIO; - si.si_pid = pid; - si.si_uid = uid; + si.si_code = reason; + if (reason - POLL_IN >= NSIGPOLL || + reason <= 0) + panic("send_sigio got `reason' != POLL_*"); + else + si.si_band = band_table[reason - POLL_IN]; si.si_fd = fa->fa_fd; if (!send_sig_info(fown->signum, &si, p)) break; @@ -266,7 +283,7 @@ read_unlock(&tasklist_lock); } -void kill_fasync(struct fasync_struct *fa, int sig) +void kill_fasync(struct fasync_struct *fa, int sig, int band) { while (fa) { struct fown_struct * fown; @@ -276,8 +293,11 @@ return; } fown = &fa->fa_file->f_owner; - if (fown->pid) - send_sigio(fown, fa); + /* Don't send SIGURG to processes which have not set a + queued signum: SIGURG has its own default signalling + mechanism. */ + if (fown->pid && !(sig == SIGURG && fown->signum == 0)) + send_sigio(fown, fa, band); fa = fa->fa_next; } } diff -urN 2.2.18pre21/fs/smbfs/sock.c sigio/fs/smbfs/sock.c --- 2.2.18pre21/fs/smbfs/sock.c Sun Nov 12 00:45:44 2000 +++ sigio/fs/smbfs/sock.c Thu Nov 16 15:09:00 2000 @@ -96,7 +96,7 @@ */ if(!sk->dead) { wake_up_interruptible(sk->sleep); - sock_wake_async(sk->socket,1); + sock_wake_async(sk->socket,1,POLL_IN); } } diff -urN 2.2.18pre21/include/asm-sparc/poll.h sigio/include/asm-sparc/poll.h --- 2.2.18pre21/include/asm-sparc/poll.h Mon Jan 17 16:44:46 2000 +++ sigio/include/asm-sparc/poll.h Thu Nov 16 15:09:00 2000 @@ -11,6 +11,7 @@ #define POLLWRNORM POLLOUT #define POLLRDBAND 128 #define POLLWRBAND 256 +#define POLLMSG 512 struct pollfd { int fd; diff -urN 2.2.18pre21/include/asm-sparc64/poll.h sigio/include/asm-sparc64/poll.h --- 2.2.18pre21/include/asm-sparc64/poll.h Mon Jan 17 16:44:46 2000 +++ sigio/include/asm-sparc64/poll.h Thu Nov 16 15:09:00 2000 @@ -11,6 +11,7 @@ #define POLLWRNORM POLLOUT #define POLLRDBAND 128 #define POLLWRBAND 256 +#define POLLMSG 512 struct pollfd { int fd; diff -urN 2.2.18pre21/include/linux/fs.h sigio/include/linux/fs.h --- 2.2.18pre21/include/linux/fs.h Tue Nov 14 23:09:54 2000 +++ sigio/include/linux/fs.h Thu Nov 16 15:09:00 2000 @@ -736,7 +736,7 @@ #define __getname() ((char *) __get_free_page(GFP_KERNEL)) #define putname(name) free_page((unsigned long)(name)) -extern void kill_fasync(struct fasync_struct *fa, int sig); +extern void kill_fasync(struct fasync_struct *fa, int sig, int band); extern int register_blkdev(unsigned int, const char *, struct file_operations *); extern int unregister_blkdev(unsigned int major, const char * name); extern int blkdev_open(struct inode * inode, struct file * filp); diff -urN 2.2.18pre21/include/linux/net.h sigio/include/linux/net.h --- 2.2.18pre21/include/linux/net.h Mon Nov 13 01:51:15 2000 +++ sigio/include/linux/net.h Thu Nov 16 15:09:00 2000 @@ -126,7 +126,7 @@ }; extern struct net_proto_family *net_families[]; -extern int sock_wake_async(struct socket *sk, int how); +extern int sock_wake_async(struct socket *sk, int how, int band); extern int sock_register(struct net_proto_family *fam); extern int sock_unregister(int family); extern struct socket *sock_alloc(void); diff -urN 2.2.18pre21/net/core/sock.c sigio/net/core/sock.c --- 2.2.18pre21/net/core/sock.c Sun Nov 12 00:45:48 2000 +++ sigio/net/core/sock.c Thu Nov 16 15:09:00 2000 @@ -1019,7 +1019,7 @@ { if (!sk->dead) { wake_up_interruptible(sk->sleep); - sock_wake_async(sk->socket,0); + sock_wake_async(sk->socket,0,POLL_ERR); } } @@ -1027,7 +1027,7 @@ { if(!sk->dead) { wake_up_interruptible(sk->sleep); - sock_wake_async(sk->socket,1); + sock_wake_async(sk->socket,1,POLL_IN); } } @@ -1042,7 +1042,7 @@ /* Should agree with poll, otherwise some programs break */ if (sock_writeable(sk)) - sock_wake_async(sk->socket, 2); + sock_wake_async(sk->socket, 2, POLL_OUT); } } diff -urN 2.2.18pre21/net/ipv4/tcp.c sigio/net/ipv4/tcp.c --- 2.2.18pre21/net/ipv4/tcp.c Sun Nov 12 00:45:48 2000 +++ sigio/net/ipv4/tcp.c Thu Nov 16 15:09:00 2000 @@ -615,7 +615,7 @@ wake_up_interruptible(sk->sleep); if (sock_wspace(sk) >= tcp_min_write_space(sk)) - sock_wake_async(sk->socket, 2); + sock_wake_async(sk->socket, 2, POLL_OUT); } diff -urN 2.2.18pre21/net/ipv4/tcp_input.c sigio/net/ipv4/tcp_input.c --- 2.2.18pre21/net/ipv4/tcp_input.c Sun Nov 12 00:45:48 2000 +++ sigio/net/ipv4/tcp_input.c Thu Nov 16 15:09:00 2000 @@ -1187,7 +1187,7 @@ if (!sk->dead) { sk->state_change(sk); - sock_wake_async(sk->socket, 1); + sock_wake_async(sk->socket, 1, POLL_HUP); } } @@ -1681,6 +1681,7 @@ kill_proc(sk->proc, SIGURG, 1); else kill_pg(-sk->proc, SIGURG, 1); + sock_wake_async(sk->socket, 3, POLL_PRI); } /* We may be adding urgent data when the last byte read was @@ -2225,7 +2226,7 @@ if(!sk->dead) { sk->state_change(sk); - sock_wake_async(sk->socket, 0); + sock_wake_async(sk->socket, 0, POLL_OUT); } } else { if(th->syn && !th->rst) { diff -urN 2.2.18pre21/net/socket.c sigio/net/socket.c --- 2.2.18pre21/net/socket.c Sun Nov 12 00:45:49 2000 +++ sigio/net/socket.c Thu Nov 16 15:09:00 2000 @@ -546,7 +546,7 @@ return 0; } -int sock_wake_async(struct socket *sock, int how) +int sock_wake_async(struct socket *sock, int how, int band) { if (!sock || !sock->fasync_list) return -1; @@ -563,8 +563,10 @@ /* fall through */ case 0: call_kill: - kill_fasync(sock->fasync_list, SIGIO); + kill_fasync(sock->fasync_list, SIGIO, band); break; + case 3: + kill_fasync(sock->fasync_list, SIGURG, band); } return 0; } diff -urN 2.2.18pre21/net/unix/af_unix.c sigio/net/unix/af_unix.c --- 2.2.18pre21/net/unix/af_unix.c Sun Nov 12 00:45:49 2000 +++ sigio/net/unix/af_unix.c Thu Nov 16 15:09:00 2000 @@ -1525,7 +1525,7 @@ return; wake_up_interruptible(sk->sleep); if (sk->sndbuf - (int)atomic_read(&sk->wmem_alloc) >= MIN_WRITE_SPACE) - sock_wake_async(sk->socket, 2); + sock_wake_async(sk->socket, 2, POLL_OUT); } #ifdef CONFIG_PROC_FS