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-rw-r--r--erts/emulator/test/lttng_SUITE_data/Makefile.src7
-rw-r--r--erts/emulator/test/lttng_SUITE_data/caller_drv.c159
2 files changed, 166 insertions, 0 deletions
diff --git a/erts/emulator/test/lttng_SUITE_data/Makefile.src b/erts/emulator/test/lttng_SUITE_data/Makefile.src
new file mode 100644
index 0000000000..fe7a1b6ef3
--- /dev/null
+++ b/erts/emulator/test/lttng_SUITE_data/Makefile.src
@@ -0,0 +1,7 @@
+
+MISC_DRVS = caller_drv@dll@
+
+
+all: $(MISC_DRVS)
+
+@SHLIB_RULES@
diff --git a/erts/emulator/test/lttng_SUITE_data/caller_drv.c b/erts/emulator/test/lttng_SUITE_data/caller_drv.c
new file mode 100644
index 0000000000..86fd0a2995
--- /dev/null
+++ b/erts/emulator/test/lttng_SUITE_data/caller_drv.c
@@ -0,0 +1,159 @@
+/* ``Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ * The Initial Developer of the Original Code is Ericsson Utvecklings AB.
+ * Portions created by Ericsson are Copyright 1999, Ericsson Utvecklings
+ * AB. All Rights Reserved.''
+ *
+ * $Id$
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include "erl_driver.h"
+
+static int init();
+static void stop(ErlDrvData drv_data);
+static void finish();
+static void flush(ErlDrvData drv_data);
+static ErlDrvData start(ErlDrvPort port, char *command);
+static void output(ErlDrvData drv_data, char *buf, ErlDrvSizeT len);
+static void outputv(ErlDrvData drv_data, ErlIOVec *ev);
+static ErlDrvSSizeT control(ErlDrvData drv_data,
+ unsigned int command, char *buf,
+ ErlDrvSizeT len, char **rbuf, ErlDrvSizeT rlen);
+static ErlDrvSSizeT call(ErlDrvData drv_data,
+ unsigned int command,
+ char *buf, ErlDrvSizeT len,
+ char **rbuf, ErlDrvSizeT rlen,
+ unsigned int *flags);
+
+static ErlDrvEntry caller_drv_entry = {
+ init,
+ start,
+ stop,
+ output,
+ NULL /* ready_input */,
+ NULL /* ready_output */,
+ "caller_drv",
+ finish,
+ NULL /* handle */,
+ control,
+ NULL /* timeout */,
+ outputv,
+ NULL /* ready_async */,
+ flush,
+ call,
+ NULL /* event */,
+ ERL_DRV_EXTENDED_MARKER,
+ ERL_DRV_EXTENDED_MAJOR_VERSION,
+ ERL_DRV_EXTENDED_MINOR_VERSION,
+ ERL_DRV_FLAG_USE_PORT_LOCKING,
+ NULL /* handle2 */,
+ NULL /* handle_monitor */
+};
+
+DRIVER_INIT(caller_drv)
+{
+ char buf[10];
+ size_t bufsz = sizeof(buf);
+ char *use_outputv;
+ use_outputv = (erl_drv_getenv("CALLER_DRV_USE_OUTPUTV", buf, &bufsz) == 0
+ ? buf
+ : "false");
+ if (strcmp(use_outputv, "true") != 0)
+ caller_drv_entry.outputv = NULL;
+ return &caller_drv_entry;
+}
+
+void
+send_caller(ErlDrvData drv_data, char *func)
+{
+ int res;
+ ErlDrvPort port = (ErlDrvPort) drv_data;
+ ErlDrvTermData msg[] = {
+ ERL_DRV_ATOM, driver_mk_atom("caller"),
+ ERL_DRV_PORT, driver_mk_port(port),
+ ERL_DRV_ATOM, driver_mk_atom(func),
+ ERL_DRV_PID, driver_caller(port),
+ ERL_DRV_TUPLE, (ErlDrvTermData) 4
+ };
+ res = erl_drv_output_term(driver_mk_port(port), msg, sizeof(msg)/sizeof(ErlDrvTermData));
+ if (res <= 0)
+ driver_failure_atom(port, "erl_drv_output_term failed");
+}
+
+static int
+init() {
+ return 0;
+}
+
+static void
+stop(ErlDrvData drv_data)
+{
+
+}
+
+static void
+flush(ErlDrvData drv_data)
+{
+
+}
+
+static void
+finish()
+{
+
+}
+
+static ErlDrvData
+start(ErlDrvPort port, char *command)
+{
+ send_caller((ErlDrvData) port, "start");
+ return (ErlDrvData) port;
+}
+
+static void
+output(ErlDrvData drv_data, char *buf, ErlDrvSizeT len)
+{
+ send_caller(drv_data, "output");
+}
+
+static void
+outputv(ErlDrvData drv_data, ErlIOVec *ev)
+{
+ send_caller(drv_data, "outputv");
+}
+
+static ErlDrvSSizeT
+control(ErlDrvData drv_data,
+ unsigned int command, char *buf,
+ ErlDrvSizeT len, char **rbuf, ErlDrvSizeT rlen)
+{
+ send_caller(drv_data, "control");
+ return 0;
+}
+
+static ErlDrvSSizeT
+call(ErlDrvData drv_data,
+ unsigned int command,
+ char *buf, ErlDrvSizeT len,
+ char **rbuf, ErlDrvSizeT rlen,
+ unsigned int *flags)
+{
+ /* echo call */
+ if (len > rlen)
+ *rbuf = driver_alloc(len);
+ memcpy((void *) *rbuf, (void *) buf, len);
+ send_caller(drv_data, "call");
+ return len;
+}