MFC r274462: Add the ppoll() system call.

2 files changed, 31 insertions, 0 deletions

diff --git a/sys/compat/freebsd32/freebsd32_misc.c b/sys/compat/freebsd32/freebsd32_misc.c
index eeb8347..2061100 100644
--- a/sys/compat/freebsd32/freebsd32_misc.c
+++ b/sys/compat/freebsd32/freebsd32_misc.c
@@ -3102,3 +3102,31 @@ freebsd32_fcntl(struct thread *td, struct freebsd32_fcntl_args *uap)
 	}
 	return (kern_fcntl_freebsd(td, uap->fd, uap->cmd, tmp));
 }
+
+int
+freebsd32_ppoll(struct thread *td, struct freebsd32_ppoll_args *uap)
+{
+	struct timespec32 ts32;
+	struct timespec ts, *tsp;
+	sigset_t set, *ssp;
+	int error;
+
+	if (uap->ts != NULL) {
+		error = copyin(uap->ts, &ts32, sizeof(ts32));
+		if (error != 0)
+			return (error);
+		CP(ts32, ts, tv_sec);
+		CP(ts32, ts, tv_nsec);
+		tsp = &ts;
+	} else
+		tsp = NULL;
+	if (uap->set != NULL) {
+		error = copyin(uap->set, &set, sizeof(set));
+		if (error != 0)
+			return (error);
+		ssp = &set;
+	} else
+		ssp = NULL;
+
+	return (kern_poll(td, uap->fds, uap->nfds, tsp, ssp));
+}
diff --git a/sys/compat/freebsd32/syscalls.master b/sys/compat/freebsd32/syscalls.master
index f14fb76..ed3cc29 100644
--- a/sys/compat/freebsd32/syscalls.master
+++ b/sys/compat/freebsd32/syscalls.master
@@ -1066,3 +1066,6 @@
 				    uint32_t id1, uint32_t id2, int com, \
 				    void *data); }
 #endif
+545	AUE_POLL	STD	{ int freebsd32_ppoll(struct pollfd *fds, \
+				    u_int nfds, const struct timespec32 *ts, \
+				    const sigset_t *set); }