Merge third_party/usrsctp/usrsctplib from https://chromium.googlesource.com/external/usrsctplib.git at a11b3c55b730332ac33e9a81d053aca3bf813b93

This commit was generated by merge_from_chromium.py.

Change-Id: I9db456b62724c4dd138eb2e19d4b6f670f1f34bb

9 files changed, 131 insertions, 176 deletions

diff --git a/Makefile.am b/Makefile.am
index d7f4f4a..85240b7 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -42,7 +42,6 @@ libusrsctp_la_SOURCES  = user_atomic.h \
                          user_queue.h \
                          user_recv_thread.c user_recv_thread.h \
                          user_route.h \
-                         user_sctp_timer_iterate.c \
                          user_socket.c \
                          user_socketvar.h \
                          user_uma.h \
diff --git a/Makefile.nmake b/Makefile.nmake
index 9be1077..48d2bd1 100644
--- a/Makefile.nmake
+++ b/Makefile.nmake
@@ -41,7 +41,6 @@ usrsctp_OBJECTS = \
 	user_environment.obj \

 	user_mbuf.obj \

 	user_recv_thread.obj \

-	user_sctp_timer_iterate.obj \

 	user_socket.obj \

 	sctp_asconf.obj \

 	sctp_auth.obj \

@@ -115,9 +114,6 @@ user_mbuf.obj  : user_mbuf.c $(usrsctp_HEADERS)
 user_recv_thread.obj: user_recv_thread.c $(usrsctp_HEADERS)

 	cl $(CVARSDLL) $(CFLAGS) -c user_recv_thread.c

 

-user_sctp_timer_iterate.obj : user_sctp_timer_iterate.c $(usrsctp_HEADERS)

-	cl $(CVARSDLL) $(CFLAGS) -c user_sctp_timer_iterate.c

-

 user_socket.obj : user_socket.c $(usrsctp_HEADERS)

 	cl $(CVARSDLL) $(CFLAGS) -c user_socket.c

 

diff --git a/netinet/sctp_callout.c b/netinet/sctp_callout.c
index 67b7566..3174e3f 100755
--- a/netinet/sctp_callout.c
+++ b/netinet/sctp_callout.c
@@ -30,9 +30,27 @@
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#if defined(__Userspace__)
+#include <sys/types.h>
+#if !defined (__Userspace_os_Windows)
+#include <sys/wait.h>
+#include <unistd.h>
+#include <pthread.h>
+#endif
+#if defined(__Userspace_os_NaCl)
+#include <sys/select.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <netinet/sctp_sysctl.h>
+#include <netinet/sctp_pcb.h>
+#else
 #include <netinet/sctp_os.h>
 #include <netinet/sctp_callout.h>
 #include <netinet/sctp_pcb.h>
+#endif
 
 /*
  * Callout/Timer routines for OS that doesn't have them
@@ -46,10 +64,8 @@ extern int ticks;
 /*
  * SCTP_TIMERQ_LOCK protects:
  * - SCTP_BASE_INFO(callqueue)
- * - sctp_os_timer_current: current timer in process
  * - sctp_os_timer_next: next timer to check
  */
-static sctp_os_timer_t *sctp_os_timer_current = NULL;
 static sctp_os_timer_t *sctp_os_timer_next = NULL;
 
 void
@@ -117,24 +133,16 @@ sctp_os_timer_stop(sctp_os_timer_t *c)
 	return (1);
 }
 
-#if defined(__APPLE__)
-/*
- * For __APPLE__, use a single main timer at a faster resolution than
- * fastim.  The timer just calls this existing callout infrastructure.
- */
-#endif
-void
-sctp_timeout(void *arg SCTP_UNUSED)
+static void
+sctp_handle_tick(int delta)
 {
 	sctp_os_timer_t *c;
 	void (*c_func)(void *);
 	void *c_arg;
 
 	SCTP_TIMERQ_LOCK();
-#if defined(__APPLE__)
 	/* update our tick count */
-	ticks += SCTP_BASE_VAR(sctp_main_timer_ticks);
-#endif
+	ticks += delta;
 	c = TAILQ_FIRST(&SCTP_BASE_INFO(callqueue));
 	while (c) {
 		if (c->c_time <= ticks) {
@@ -143,11 +151,9 @@ sctp_timeout(void *arg SCTP_UNUSED)
 			c_func = c->c_func;
 			c_arg = c->c_arg;
 			c->c_flags &= ~SCTP_CALLOUT_PENDING;
-			sctp_os_timer_current = c;
 			SCTP_TIMERQ_UNLOCK();
 			c_func(c_arg);
 			SCTP_TIMERQ_LOCK();
-			sctp_os_timer_current = NULL;
 			c = sctp_os_timer_next;
 		} else {
 			c = TAILQ_NEXT(c, tqe);
@@ -155,9 +161,60 @@ sctp_timeout(void *arg SCTP_UNUSED)
 	}
 	sctp_os_timer_next = NULL;
 	SCTP_TIMERQ_UNLOCK();
+}
 
 #if defined(__APPLE__)
-	/* restart the main timer */
+void
+sctp_timeout(void *arg SCTP_UNUSED)
+{
+	sctp_handle_tick(SCTP_BASE_VAR(sctp_main_timer_ticks));
 	sctp_start_main_timer();
+}
 #endif
+
+#if defined(__Userspace__)
+#define TIMEOUT_INTERVAL 10
+
+void *
+user_sctp_timer_iterate(void *arg)
+{
+	for (;;) {
+#if defined (__Userspace_os_Windows)
+		Sleep(TIMEOUT_INTERVAL);
+#else
+		struct timeval timeout;
+
+		timeout.tv_sec  = 0;
+		timeout.tv_usec = 1000 * TIMEOUT_INTERVAL;
+		select(0, NULL, NULL, NULL, &timeout);
+#endif
+		if (SCTP_BASE_VAR(timer_thread_should_exit)) {
+			break;
+		}
+		sctp_handle_tick(MSEC_TO_TICKS(TIMEOUT_INTERVAL));
+	}
+	return (NULL);
 }
+
+void
+sctp_start_timer(void)
+{
+	/*
+	 * No need to do SCTP_TIMERQ_LOCK_INIT();
+	 * here, it is being done in sctp_pcb_init()
+	 */
+#if defined (__Userspace_os_Windows)
+	if ((SCTP_BASE_VAR(timer_thread) = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)user_sctp_timer_iterate, NULL, 0, NULL)) == NULL) {
+		SCTP_PRINTF("ERROR; Creating ithread failed\n");
+	}
+#else
+	int rc;
+
+	rc = pthread_create(&SCTP_BASE_VAR(timer_thread), NULL, user_sctp_timer_iterate, NULL);
+	if (rc) {
+		SCTP_PRINTF("ERROR; return code from pthread_create() is %d\n", rc);
+	}
+#endif
+}
+
+#endif
diff --git a/netinet/sctp_callout.h b/netinet/sctp_callout.h
index 2782945..c53c5a4 100755
--- a/netinet/sctp_callout.h
+++ b/netinet/sctp_callout.h
@@ -64,7 +64,6 @@ __FBSDID("$FreeBSD$");
 #endif
 
 extern int ticks;
-extern void sctp_start_timer();
 #endif
 
 TAILQ_HEAD(calloutlist, sctp_callout);
@@ -94,6 +93,11 @@ int sctp_os_timer_stop(sctp_os_timer_t *);
 #define	SCTP_OS_TIMER_ACTIVE(tmr) ((tmr)->c_flags & SCTP_CALLOUT_ACTIVE)
 #define	SCTP_OS_TIMER_DEACTIVATE(tmr) ((tmr)->c_flags &= ~SCTP_CALLOUT_ACTIVE)
 
+#if defined(__Userspace__)
+void sctp_start_timer(void);
+#endif
+#if defined(__APPLE__)
 void sctp_timeout(void *);
+#endif
 
 #endif
diff --git a/netinet/sctp_input.c b/netinet/sctp_input.c
index cb7968f..5302582 100755
--- a/netinet/sctp_input.c
+++ b/netinet/sctp_input.c
@@ -32,7 +32,7 @@
 
 #ifdef __FreeBSD__
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: head/sys/netinet/sctp_input.c 271230 2014-09-07 18:05:37Z tuexen $");
+__FBSDID("$FreeBSD: head/sys/netinet/sctp_input.c 272841 2014-10-09 20:08:12Z tuexen $");
 #endif
 
 #include <netinet/sctp_os.h>
@@ -4202,8 +4202,10 @@ sctp_handle_stream_reset(struct sctp_tcb *stcb, struct mbuf *m, int offset,
 	if (chk == NULL) {
 		return (ret_code);
 	}
+	chk->copy_by_ref = 0;
 	chk->rec.chunk_id.id = SCTP_STREAM_RESET;
 	chk->rec.chunk_id.can_take_data = 0;
+	chk->flags = 0;
 	chk->asoc = &stcb->asoc;
 	chk->no_fr_allowed = 0;
 	chk->book_size = chk->send_size = sizeof(struct sctp_chunkhdr);
diff --git a/netinet/sctp_output.c b/netinet/sctp_output.c
index 9502cc6..07ae932 100755
--- a/netinet/sctp_output.c
+++ b/netinet/sctp_output.c
@@ -32,7 +32,7 @@
 
 #ifdef __FreeBSD__
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: head/sys/netinet/sctp_output.c 272571 2014-10-05 20:30:49Z tuexen $");
+__FBSDID("$FreeBSD: head/sys/netinet/sctp_output.c 272841 2014-10-09 20:08:12Z tuexen $");
 #endif
 
 #include <netinet/sctp_os.h>
@@ -9370,16 +9370,11 @@ sctp_queue_op_err(struct sctp_tcb *stcb, struct mbuf *op_err)
 		return;
 	}
 	chk->send_size = 0;
-	mat = op_err;
-	while (mat != NULL) {
+	for (mat = op_err; mat != NULL; mat = SCTP_BUF_NEXT(mat)) {
 		chk->send_size += SCTP_BUF_LEN(mat);
-		mat = SCTP_BUF_NEXT(mat);
 	}
-	chk->rec.chunk_id.id = SCTP_OPERATION_ERROR;
-	chk->rec.chunk_id.can_take_data = 1;
 	chk->sent = SCTP_DATAGRAM_UNSENT;
 	chk->snd_count = 0;
-	chk->flags = 0;
 	chk->asoc = &stcb->asoc;
 	chk->data = op_err;
 	chk->whoTo = NULL;
@@ -9467,12 +9462,12 @@ sctp_send_cookie_echo(struct mbuf *m,
 		return (-5);
 	}
 	chk->copy_by_ref = 0;
-	chk->send_size = plen;
 	chk->rec.chunk_id.id = SCTP_COOKIE_ECHO;
 	chk->rec.chunk_id.can_take_data = 0;
+	chk->flags = CHUNK_FLAGS_FRAGMENT_OK;
+	chk->send_size = plen;
 	chk->sent = SCTP_DATAGRAM_UNSENT;
 	chk->snd_count = 0;
-	chk->flags = CHUNK_FLAGS_FRAGMENT_OK;
 	chk->asoc = &stcb->asoc;
 	chk->data = cookie;
 	chk->whoTo = net;
@@ -9535,12 +9530,12 @@ sctp_send_heartbeat_ack(struct sctp_tcb *stcb,
 		return;
 	}
 	chk->copy_by_ref = 0;
-	chk->send_size = chk_length;
 	chk->rec.chunk_id.id = SCTP_HEARTBEAT_ACK;
 	chk->rec.chunk_id.can_take_data = 1;
+	chk->flags = 0;
+	chk->send_size = chk_length;
 	chk->sent = SCTP_DATAGRAM_UNSENT;
 	chk->snd_count = 0;
-	chk->flags = 0;
 	chk->asoc = &stcb->asoc;
 	chk->data = outchain;
 	chk->whoTo = net;
@@ -9572,12 +9567,12 @@ sctp_send_cookie_ack(struct sctp_tcb *stcb)
 		return;
 	}
 	chk->copy_by_ref = 0;
-	chk->send_size = sizeof(struct sctp_chunkhdr);
 	chk->rec.chunk_id.id = SCTP_COOKIE_ACK;
 	chk->rec.chunk_id.can_take_data = 1;
+	chk->flags = 0;
+	chk->send_size = sizeof(struct sctp_chunkhdr);
 	chk->sent = SCTP_DATAGRAM_UNSENT;
 	chk->snd_count = 0;
-	chk->flags = 0;
 	chk->asoc = &stcb->asoc;
 	chk->data = cookie_ack;
 	if (chk->asoc->last_control_chunk_from != NULL) {
@@ -9618,9 +9613,10 @@ sctp_send_shutdown_ack(struct sctp_tcb *stcb, struct sctp_nets *net)
 		return;
 	}
 	chk->copy_by_ref = 0;
-	chk->send_size = sizeof(struct sctp_chunkhdr);
 	chk->rec.chunk_id.id = SCTP_SHUTDOWN_ACK;
 	chk->rec.chunk_id.can_take_data = 1;
+	chk->flags = 0;
+	chk->send_size = sizeof(struct sctp_chunkhdr);
 	chk->sent = SCTP_DATAGRAM_UNSENT;
 	chk->snd_count = 0;
 	chk->flags = 0;
@@ -9661,9 +9657,10 @@ sctp_send_shutdown(struct sctp_tcb *stcb, struct sctp_nets *net)
 		return;
 	}
 	chk->copy_by_ref = 0;
-	chk->send_size = sizeof(struct sctp_shutdown_chunk);
 	chk->rec.chunk_id.id = SCTP_SHUTDOWN;
 	chk->rec.chunk_id.can_take_data = 1;
+	chk->flags = 0;
+	chk->send_size = sizeof(struct sctp_shutdown_chunk);
 	chk->sent = SCTP_DATAGRAM_UNSENT;
 	chk->snd_count = 0;
 	chk->flags = 0;
@@ -9717,13 +9714,13 @@ sctp_send_asconf(struct sctp_tcb *stcb, struct sctp_nets *net, int addr_locked)
 	}
 
 	chk->copy_by_ref = 0;
-	chk->data = m_asconf;
-	chk->send_size = len;
 	chk->rec.chunk_id.id = SCTP_ASCONF;
 	chk->rec.chunk_id.can_take_data = 0;
+	chk->flags = CHUNK_FLAGS_FRAGMENT_OK;
+	chk->data = m_asconf;
+	chk->send_size = len;
 	chk->sent = SCTP_DATAGRAM_UNSENT;
 	chk->snd_count = 0;
-	chk->flags = CHUNK_FLAGS_FRAGMENT_OK;
 	chk->asoc = &stcb->asoc;
 	chk->whoTo = net;
 	if (chk->whoTo) {
@@ -9813,7 +9810,9 @@ sctp_send_asconf_ack(struct sctp_tcb *stcb)
 			return;
 		}
 		chk->copy_by_ref = 0;
-
+		chk->rec.chunk_id.id = SCTP_ASCONF_ACK;
+		chk->rec.chunk_id.can_take_data = 1;
+		chk->flags = CHUNK_FLAGS_FRAGMENT_OK;
 		chk->whoTo = net;
 		if (chk->whoTo) {
 			atomic_add_int(&chk->whoTo->ref_count, 1);
@@ -9822,11 +9821,8 @@ sctp_send_asconf_ack(struct sctp_tcb *stcb)
 		chk->send_size = 0;
 		/* Get size */
 		chk->send_size = ack->len;
-		chk->rec.chunk_id.id = SCTP_ASCONF_ACK;
-		chk->rec.chunk_id.can_take_data = 1;
 		chk->sent = SCTP_DATAGRAM_UNSENT;
 		chk->snd_count = 0;
-		chk->flags |= CHUNK_FLAGS_FRAGMENT_OK; /* XXX */
 		chk->asoc = &stcb->asoc;
 
 		TAILQ_INSERT_TAIL(&chk->asoc->control_send_queue, chk, sctp_next);
@@ -10739,6 +10735,7 @@ send_forward_tsn(struct sctp_tcb *stcb,
 	chk->copy_by_ref = 0;
 	chk->rec.chunk_id.id = SCTP_FORWARD_CUM_TSN;
 	chk->rec.chunk_id.can_take_data = 0;
+	chk->flags = 0;
 	chk->asoc = asoc;
 	chk->whoTo = NULL;
 	chk->data = sctp_get_mbuf_for_msg(MCLBYTES, 0, M_NOWAIT, 1, MT_DATA);
@@ -10972,6 +10969,7 @@ sctp_send_sack(struct sctp_tcb *stcb, int so_locked
 	/* Clear our pkt counts */
 	asoc->data_pkts_seen = 0;
 
+	a_chk->flags = 0;
 	a_chk->asoc = asoc;
 	a_chk->snd_count = 0;
 	a_chk->send_size = 0;	/* fill in later */
@@ -11895,6 +11893,7 @@ sctp_send_hb(struct sctp_tcb *stcb, struct sctp_nets *net,int so_locked
 	chk->copy_by_ref = 0;
 	chk->rec.chunk_id.id = SCTP_HEARTBEAT_REQUEST;
 	chk->rec.chunk_id.can_take_data = 1;
+	chk->flags = 0;
 	chk->asoc = &stcb->asoc;
 	chk->send_size = sizeof(struct sctp_heartbeat_chunk);
 
@@ -12025,10 +12024,11 @@ sctp_send_ecn_echo(struct sctp_tcb *stcb, struct sctp_nets *net,
 	if (chk == NULL) {
 		return;
 	}
-	chk->copy_by_ref = 0;
 	SCTP_STAT_INCR(sctps_queue_upd_ecne);
+	chk->copy_by_ref = 0;
 	chk->rec.chunk_id.id = SCTP_ECN_ECHO;
 	chk->rec.chunk_id.can_take_data = 0;
+	chk->flags = 0;
 	chk->asoc = &stcb->asoc;
 	chk->send_size = sizeof(struct sctp_ecne_chunk);
 	chk->data = sctp_get_mbuf_for_msg(chk->send_size, 0, M_NOWAIT, 1, MT_HEADER);
@@ -12088,6 +12088,9 @@ sctp_send_packet_dropped(struct sctp_tcb *stcb, struct sctp_nets *net,
 		return;
 	}
 	chk->copy_by_ref = 0;
+	chk->rec.chunk_id.id = SCTP_PACKET_DROPPED;
+	chk->rec.chunk_id.can_take_data = 1;
+	chk->flags = 0;
 	len -= iphlen;
 	chk->send_size = len;
         /* Validate that we do not have an ABORT in here. */
@@ -12173,8 +12176,6 @@ jump_out:
 	} else {
 		chk->whoTo = NULL;
 	}
-	chk->rec.chunk_id.id = SCTP_PACKET_DROPPED;
-	chk->rec.chunk_id.can_take_data = 1;
 	drp->ch.chunk_type = SCTP_PACKET_DROPPED;
 	drp->ch.chunk_length = htons(chk->send_size);
 	spc = SCTP_SB_LIMIT_RCV(stcb->sctp_socket);
@@ -12236,6 +12237,7 @@ sctp_send_cwr(struct sctp_tcb *stcb, struct sctp_nets *net, uint32_t high_tsn, u
 	chk->copy_by_ref = 0;
 	chk->rec.chunk_id.id = SCTP_ECN_CWR;
 	chk->rec.chunk_id.can_take_data = 1;
+	chk->flags = 0;
 	chk->asoc = &stcb->asoc;
 	chk->send_size = sizeof(struct sctp_cwr_chunk);
 	chk->data = sctp_get_mbuf_for_msg(chk->send_size, 0, M_NOWAIT, 1, MT_HEADER);
@@ -12498,7 +12500,7 @@ sctp_add_an_in_stream(struct sctp_tmit_chunk *chk,
 
 int
 sctp_send_str_reset_req(struct sctp_tcb *stcb,
-                        int number_entries, uint16_t *list,
+                        uint16_t number_entries, uint16_t *list,
                         uint8_t send_out_req,
                         uint8_t send_in_req,
                         uint8_t send_tsn_req,
@@ -12531,6 +12533,14 @@ sctp_send_str_reset_req(struct sctp_tcb *stcb,
 		SCTP_LTRACE_ERR_RET(NULL, stcb, NULL, SCTP_FROM_SCTP_OUTPUT, EINVAL);
 		return (EINVAL);
 	}
+	if (number_entries > (MCLBYTES -
+	                      SCTP_MIN_OVERHEAD -
+	                      sizeof(struct sctp_chunkhdr) -
+	                      sizeof(struct sctp_stream_reset_out_request)) /
+	                     sizeof(uint16_t)) {
+		SCTP_LTRACE_ERR_RET(NULL, stcb, NULL, SCTP_FROM_SCTP_OUTPUT, ENOMEM);
+		return (ENOMEM);
+	}
 	sctp_alloc_a_chunk(stcb, chk);
 	if (chk == NULL) {
 		SCTP_LTRACE_ERR_RET(NULL, stcb, NULL, SCTP_FROM_SCTP_OUTPUT, ENOMEM);
@@ -12539,6 +12549,7 @@ sctp_send_str_reset_req(struct sctp_tcb *stcb,
 	chk->copy_by_ref = 0;
 	chk->rec.chunk_id.id = SCTP_STREAM_RESET;
 	chk->rec.chunk_id.can_take_data = 0;
+	chk->flags = 0;
 	chk->asoc = &stcb->asoc;
 	chk->book_size = sizeof(struct sctp_chunkhdr);
 	chk->send_size = SCTP_SIZE32(chk->book_size);
diff --git a/netinet/sctp_output.h b/netinet/sctp_output.h
index 808af1b..d03bead 100755
--- a/netinet/sctp_output.h
+++ b/netinet/sctp_output.h
@@ -32,7 +32,7 @@
 
 #ifdef __FreeBSD__
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: head/sys/netinet/sctp_output.h 246595 2013-02-09 17:26:14Z tuexen $");
+__FBSDID("$FreeBSD: head/sys/netinet/sctp_output.h 272751 2014-10-08 15:30:59Z tuexen $");
 #endif
 
 #ifndef _NETINET_SCTP_OUTPUT_H_
@@ -208,8 +208,8 @@ sctp_add_stream_reset_result_tsn(struct sctp_tmit_chunk *,
                                  uint32_t, uint32_t, uint32_t, uint32_t);
 
 int
-sctp_send_str_reset_req(struct sctp_tcb *, int , uint16_t *, uint8_t, uint8_t,
-			uint8_t, uint8_t, uint16_t, uint16_t, uint8_t);
+sctp_send_str_reset_req(struct sctp_tcb *, uint16_t , uint16_t *, uint8_t,
+                        uint8_t, uint8_t, uint8_t, uint16_t, uint16_t, uint8_t);
 
 void
 sctp_send_abort(struct mbuf *, int, struct sockaddr *, struct sockaddr *,
diff --git a/netinet/sctp_usrreq.c b/netinet/sctp_usrreq.c
index e04e598..362d353 100755
--- a/netinet/sctp_usrreq.c
+++ b/netinet/sctp_usrreq.c
@@ -32,7 +32,7 @@
 
 #ifdef __FreeBSD__
 #include <sys/cdefs.h>
-__FBSDID("$FreeBSD: head/sys/netinet/sctp_usrreq.c 271673 2014-09-16 14:20:33Z tuexen $");
+__FBSDID("$FreeBSD: head/sys/netinet/sctp_usrreq.c 272750 2014-10-08 15:29:49Z tuexen $");
 #endif
 
 #include <netinet/sctp_os.h>
@@ -56,7 +56,9 @@ __FBSDID("$FreeBSD: head/sys/netinet/sctp_usrreq.c 271673 2014-09-16 14:20:33Z t
 #include <netinet/sctp_timer.h>
 #include <netinet/sctp_auth.h>
 #include <netinet/sctp_bsd_addr.h>
-#if !defined(__Userspace__)
+#if defined(__Userspace__)
+#include <netinet/sctp_callout.h>
+#else
 #include <netinet/udp.h>
 #endif
 
@@ -5252,6 +5254,12 @@ sctp_setopt(struct socket *so, int optname, void *optval, size_t optsize,
 			SCTP_TCB_UNLOCK(stcb);
 			break;
 		}
+		if (sizeof(struct sctp_reset_streams) +
+		    strrst->srs_number_streams * sizeof(uint16_t) > optsize) {
+			error = EINVAL;
+			SCTP_TCB_UNLOCK(stcb);
+			break;
+		}
 		if (stcb->asoc.stream_reset_outstanding) {
 			SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_USRREQ, EALREADY);
 			error = EALREADY;
diff --git a/user_sctp_timer_iterate.c b/user_sctp_timer_iterate.c
deleted file mode 100755
index 67684fd..0000000
--- a/user_sctp_timer_iterate.c
+++ /dev/null
@@ -1,122 +0,0 @@
-/*-
- * Copyright (c) 2012 Michael Tuexen
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- */
-
-#include <sys/types.h>
-#if !defined (__Userspace_os_Windows)
-#include <sys/wait.h>
-#include <unistd.h>
-#include <pthread.h>
-#endif
-#if defined(__Userspace_os_NaCl)
-#include <sys/select.h>
-#endif
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <errno.h>
-#include <netinet/sctp_pcb.h>
-#include <netinet/sctp_sysctl.h>
-#include "netinet/sctp_callout.h"
-
-/* This is the polling time of callqueue in milliseconds
- * 10ms seems to work well. 1ms was giving erratic behavior
- */
-#define TIMEOUT_INTERVAL 10
-
-extern int ticks;
-
-void *
-user_sctp_timer_iterate(void *arg)
-{
-	sctp_os_timer_t *c;
-	void (*c_func)(void *);
-	void *c_arg;
-	sctp_os_timer_t *sctp_os_timer_next;
-	/*
-	 * The MSEC_TO_TICKS conversion depends on hz. The to_ticks in
-	 * sctp_os_timer_start also depends on hz. E.g. if hz=1000 then
-	 * for multiple INIT the to_ticks is 2000, 4000, 8000, 16000, 32000, 60000
-	 * and further to_ticks level off at 60000 i.e. 60 seconds.
-	 * If hz=100 then for multiple INIT the to_ticks are 200, 400, 800 and so-on.
-	 */
-	for (;;) {
-#if defined (__Userspace_os_Windows)
-		Sleep(TIMEOUT_INTERVAL);
-#else
-		struct timeval timeout;
-
-		timeout.tv_sec  = 0;
-		timeout.tv_usec = 1000 * TIMEOUT_INTERVAL;
-		select(0, NULL, NULL, NULL, &timeout);
-#endif
-		if (SCTP_BASE_VAR(timer_thread_should_exit)) {
-			break;
-		}
-		SCTP_TIMERQ_LOCK();
-		/* update our tick count */
-		ticks += MSEC_TO_TICKS(TIMEOUT_INTERVAL);
-		c = TAILQ_FIRST(&SCTP_BASE_INFO(callqueue));
-		while (c) {
-			if (c->c_time <= ticks) {
-				sctp_os_timer_next = TAILQ_NEXT(c, tqe);
-				TAILQ_REMOVE(&SCTP_BASE_INFO(callqueue), c, tqe);
-				c_func = c->c_func;
-				c_arg = c->c_arg;
-				c->c_flags &= ~SCTP_CALLOUT_PENDING;
-				SCTP_TIMERQ_UNLOCK();
-				c_func(c_arg);
-				SCTP_TIMERQ_LOCK();
-				c = sctp_os_timer_next;
-			} else {
-				c = TAILQ_NEXT(c, tqe);
-			}
-		}
-		SCTP_TIMERQ_UNLOCK();
-	}
-	return (NULL);
-}
-
-void
-sctp_start_timer(void)
-{
-	/*
-	 * No need to do SCTP_TIMERQ_LOCK_INIT();
-	 * here, it is being done in sctp_pcb_init()
-	 */
-#if defined (__Userspace_os_Windows)
-	if ((SCTP_BASE_VAR(timer_thread) = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)user_sctp_timer_iterate, NULL, 0, NULL)) == NULL) {
-		SCTP_PRINTF("ERROR; Creating ithread failed\n");
-	}
-#else
-	int rc;
-
-	rc = pthread_create(&SCTP_BASE_VAR(timer_thread), NULL, user_sctp_timer_iterate, NULL);
-	if (rc) {
-		SCTP_PRINTF("ERROR; return code from pthread_create() is %d\n", rc);
-	}
-#endif
-}