Page MenuHomeFreeBSD
Files F131736292

D9150.id23970.diff
No OneTemporary
Actions

D9150.id23970.diff
View Options

Index: sys/kern/kern_event.c
===================================================================
--- sys/kern/kern_event.c
+++ sys/kern/kern_event.c
@@ -344,6 +344,7 @@
{ &null_filtops }, /* EVFILT_LIO */
{ &user_filtops, 1 }, /* EVFILT_USER */
{ &null_filtops }, /* EVFILT_SENDFILE */
+ { &file_filtops, 1 }, /* EVFILT_EMPTY */
};
/*
Index: sys/kern/uipc_socket.c
===================================================================
--- sys/kern/uipc_socket.c
+++ sys/kern/uipc_socket.c
@@ -161,6 +161,7 @@
static int filt_sowrite(struct knote *kn, long hint);
static int filt_solisten(struct knote *kn, long hint);
static int inline hhook_run_socket(struct socket *so, void *hctx, int32_t h_id);
+static int filt_soempty(struct knote *kn, long hint);
fo_kqfilter_t soo_kqfilter;
static struct filterops solisten_filtops = {
@@ -178,6 +179,11 @@
.f_detach = filt_sowdetach,
.f_event = filt_sowrite,
};
+static struct filterops soempty_filtops = {
+ .f_isfd = 1,
+ .f_detach = filt_sowdetach,
+ .f_event = filt_soempty,
+};
so_gen_t so_gencnt; /* generation count for sockets */
@@ -3083,6 +3089,10 @@
kn->kn_fop = &sowrite_filtops;
sb = &so->so_snd;
break;
+ case EVFILT_EMPTY:
+ kn->kn_fop = &soempty_filtops;
+ sb = &so->so_snd;
+ break;
default:
return (EINVAL);
}
@@ -3344,6 +3354,21 @@
return (kn->kn_data >= so->so_snd.sb_lowat);
}
+static int
+filt_soempty(struct knote *kn, long hint)
+{
+ struct socket *so;
+
+ so = kn->kn_fp->f_data;
+ SOCKBUF_LOCK_ASSERT(&so->so_snd);
+ kn->kn_data = sbused(&so->so_snd);
+
+ if (kn->kn_data == 0)
+ return (1);
+ else
+ return (0);
+}
+
/*ARGSUSED*/
static int
filt_solisten(struct knote *kn, long hint)
Index: sys/sys/event.h
===================================================================
--- sys/sys/event.h
+++ sys/sys/event.h
@@ -43,7 +43,8 @@
#define EVFILT_LIO (-10) /* attached to lio requests */
#define EVFILT_USER (-11) /* User events */
#define EVFILT_SENDFILE (-12) /* attached to sendfile requests */
-#define EVFILT_SYSCOUNT 12
+#define EVFILT_EMPTY (-13) /* empty send socket buf */
+#define EVFILT_SYSCOUNT 13
#define EV_SET(kevp_, a, b, c, d, e, f) do { \
struct kevent *kevp = (kevp_); \

File Metadata

Mime Type
text/plain
Expires
Sat, Oct 11, 6:33 PM (18 h, 54 m)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
23588007
Default Alt Text
D9150.id23970.diff (2 KB)

Event Timeline