aboutsummaryrefslogtreecommitdiffstats
path: root/lib/erl_interface/src/connect/send_exit.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/erl_interface/src/connect/send_exit.c')
-rw-r--r--lib/erl_interface/src/connect/send_exit.c101
1 files changed, 101 insertions, 0 deletions
diff --git a/lib/erl_interface/src/connect/send_exit.c b/lib/erl_interface/src/connect/send_exit.c
new file mode 100644
index 0000000000..098797c96d
--- /dev/null
+++ b/lib/erl_interface/src/connect/send_exit.c
@@ -0,0 +1,101 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 1998-2009. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+#ifdef __WIN32__
+# include <winsock2.h>
+# include <windows.h>
+# include <winbase.h>
+#else /* Unix/VxWorks */
+#include <unistd.h>
+#endif
+
+#include <string.h>
+#include <stdlib.h>
+#include "eidef.h"
+#include "eiext.h"
+#include "eisend.h"
+#include "ei_connect_int.h"
+#include "ei_trace.h"
+#include "ei_internal.h"
+#include "putget.h"
+#include "ei_portio.h"
+#include "show_msg.h"
+
+/* use this to break a link */
+int ei_send_exit(int fd, const erlang_pid *from,
+ const erlang_pid *to, const char *reason)
+{
+ return ei_send_exit_tmo(fd,from,to,reason,0);
+}
+
+
+int ei_send_exit_tmo(int fd, const erlang_pid *from, const erlang_pid *to,
+ const char *reason, unsigned ms)
+{
+ char sbuf[EISMALLBUF];
+ erlang_trace *token = NULL;
+ char *dbuf = NULL;
+ char *msgbuf;
+ char *s;
+ int index = 0;
+ int len = strlen(reason) + 1080; /* see below */
+
+ if (len > EISMALLBUF)
+ if (!(dbuf = malloc(len)))
+ return -1;
+ msgbuf = (dbuf ? dbuf : sbuf);
+
+
+ /* are we tracing? */
+ /* check that he can receive trace tokens first */
+ if (ei_distversion(fd) > 0) token = ei_trace(0,NULL);
+
+ index = 5; /* max sizes: */
+ ei_encode_version(msgbuf,&index); /* 1 */
+ if (token) {
+ ei_encode_tuple_header(msgbuf,&index,5); /* 2 */
+ ei_encode_long(msgbuf,&index,ERL_EXIT_TT); /* 2 */
+ }
+ else {
+ ei_encode_tuple_header(msgbuf,&index,4);
+ ei_encode_long(msgbuf,&index,ERL_EXIT);
+ }
+ ei_encode_pid(msgbuf,&index,from); /* 268 */
+ ei_encode_pid(msgbuf,&index,to); /* 268 */
+
+ if (token) ei_encode_trace(msgbuf,&index,token); /* 534 */
+
+ /* Reason */
+ ei_encode_string(msgbuf,&index,reason); /* len */
+
+ /* 5 byte header missing */
+ s = msgbuf;
+ put32be(s, index - 4); /* 4 */
+ put8(s, ERL_PASS_THROUGH); /* 1 */
+ /*** sum: len + 1080 */
+ /* FIXME incorrect level */
+ if (ei_tracelevel > 1)
+ ei_show_sendmsg(stderr,msgbuf,NULL);
+
+ ei_write_fill_t(fd,msgbuf,index,ms);
+ /* FIXME ignore timeout etc? erl_errno?! */
+
+ if (dbuf) free(dbuf);
+ return 0;
+}
+