Fix driver_async_cancel()

2 files changed, 139 insertions, 1 deletions

diff --git a/erts/emulator/test/driver_SUITE_data/Makefile.src b/erts/emulator/test/driver_SUITE_data/Makefile.src
index 4ac7987d2f..5b3ba1557e 100644
--- a/erts/emulator/test/driver_SUITE_data/Makefile.src
+++ b/erts/emulator/test/driver_SUITE_data/Makefile.src
@@ -11,7 +11,8 @@ MISC_DRVS =		outputv_drv@dll@ \
 			caller_drv@dll@ \
 			many_events_drv@dll@ \
 			missing_callback_drv@dll@ \
-			thr_alloc_drv@dll@
+			thr_alloc_drv@dll@ \
+			otp_9302_drv@dll@
 
 SYS_INFO_DRVS = 	sys_info_1_0_drv@dll@ \
 			sys_info_1_1_drv@dll@ \
diff --git a/erts/emulator/test/driver_SUITE_data/otp_9302_drv.c b/erts/emulator/test/driver_SUITE_data/otp_9302_drv.c
new file mode 100644
index 0000000000..1147549135
--- /dev/null
+++ b/erts/emulator/test/driver_SUITE_data/otp_9302_drv.c
@@ -0,0 +1,137 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2011. 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 <windows.h>
+#endif
+#include "erl_driver.h"
+
+static ErlDrvData start(ErlDrvPort port,
+			char *command);
+static void output(ErlDrvData drv_data,
+		   char *buf, int len);
+static void ready_async(ErlDrvData drv_data,
+			ErlDrvThreadData thread_data);
+
+static ErlDrvEntry otp_9302_drv_entry = { 
+    NULL /* init */,
+    start,
+    NULL /* stop */,
+    output,
+    NULL /* ready_input */,
+    NULL /* ready_output */,
+    "otp_9302_drv",
+    NULL /* finish */,
+    NULL /* handle */,
+    NULL /* control */,
+    NULL /* timeout */,
+    NULL /* outputv */,
+    ready_async,
+    NULL /* flush */,
+    NULL /* 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(otp_9302_drv)
+{
+    return &otp_9302_drv_entry;
+}
+
+static ErlDrvData start(ErlDrvPort port,
+			char *command)
+{
+    return (ErlDrvData) port;
+}
+
+typedef struct {
+    ErlDrvPort port;
+    ErlDrvTermData receiver;
+    int block;
+    int cancel;
+    int eoj;
+} Otp9302AsyncData;
+
+static void async_invoke(void *data)
+{
+    Otp9302AsyncData *adata = (Otp9302AsyncData *) data;
+    char *what = (adata->block
+		  ? "block"
+		  : (adata->cancel
+		     ? "cancel"
+		     : (adata->eoj
+			? "end_of_jobs"
+			: "job")));
+    ErlDrvTermData spec[] = {
+	ERL_DRV_PORT, driver_mk_port(adata->port),
+	ERL_DRV_ATOM, driver_mk_atom(what),
+	ERL_DRV_TUPLE, 2
+    };
+    driver_send_term(adata->port, adata->receiver,
+		     spec, sizeof(spec)/sizeof(spec[0]));
+    if (adata->block) {
+#ifdef __WIN32__
+	Sleep((DWORD) 2000);
+#else
+	sleep(2);
+#endif
+    }
+}
+
+static void output(ErlDrvData drv_data,
+		   char *buf, int len)
+{
+    ErlDrvPort port = (ErlDrvPort) drv_data;
+    ErlDrvTermData caller = driver_caller(port);
+    unsigned int key = (unsigned int) port;
+    long id[5];
+    Otp9302AsyncData *ad[5];
+    int i;
+
+    for (i = 0; i < sizeof(ad)/sizeof(ad[0]); i++) {
+	ad[i] = driver_alloc(sizeof(Otp9302AsyncData));
+	if (!ad[i])
+	    abort();
+
+	ad[i]->port = port;
+	ad[i]->receiver = caller;
+	ad[i]->block = 0;
+	ad[i]->eoj = 0;
+	ad[i]->cancel = 0;
+    }
+    ad[0]->block = 1;
+    ad[2]->cancel = 1;
+    ad[4]->eoj = 1;
+    for (i = 0; i < sizeof(id)/sizeof(id[0]); i++)
+	id[i] = driver_async(port, &key, async_invoke, ad[i], driver_free);
+    if (id[2] > 0)
+	driver_async_cancel(id[2]);
+}
+
+static void ready_async(ErlDrvData drv_data,
+			ErlDrvThreadData thread_data)
+{
+    if ((void *) thread_data)
+	driver_free((void *) thread_data);
+}
+