aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/drivers/common
diff options
context:
space:
mode:
Diffstat (limited to 'erts/emulator/drivers/common')
-rw-r--r--erts/emulator/drivers/common/efile_drv.c23
1 files changed, 18 insertions, 5 deletions
diff --git a/erts/emulator/drivers/common/efile_drv.c b/erts/emulator/drivers/common/efile_drv.c
index 912f5d3d8b..2ac7f169af 100644
--- a/erts/emulator/drivers/common/efile_drv.c
+++ b/erts/emulator/drivers/common/efile_drv.c
@@ -439,6 +439,7 @@ struct t_data
Efile_error errInfo;
int flags;
SWord fd;
+ int is_fd_unused;
/**/
Efile_info info;
EFILE_DIR_HANDLE dir_handle; /* Handle to open directory. */
@@ -781,11 +782,6 @@ file_start(ErlDrvPort port, char* command)
return (ErlDrvData) desc;
}
-static void free_data(void *data)
-{
- EF_FREE(data);
-}
-
static void do_close(int flags, SWord fd) {
if (flags & EFILE_COMPRESSED) {
erts_gzclose((gzFile)(fd));
@@ -803,6 +799,17 @@ static void invoke_close(void *data)
DTRACE_INVOKE_RETURN(FILE_CLOSE);
}
+static void free_data(void *data)
+{
+ struct t_data *d = (struct t_data *) data;
+
+ if (d->command == FILE_OPEN && d->is_fd_unused && d->fd != FILE_FD_INVALID) {
+ do_close(d->flags, d->fd);
+ }
+
+ EF_FREE(data);
+}
+
/*********************************************************************
* Driver entry point -> stop
*/
@@ -1862,6 +1869,9 @@ static void invoke_open(void *data)
}
d->result_ok = status;
+ if (!status) {
+ d->fd = FILE_FD_INVALID;
+ }
DTRACE_INVOKE_RETURN(FILE_OPEN);
}
@@ -2373,8 +2383,10 @@ file_async_ready(ErlDrvData e, ErlDrvThreadData data)
if (!d->result_ok) {
reply_error(desc, &d->errInfo);
} else {
+ ASSERT(d->is_fd_unused);
desc->fd = d->fd;
desc->flags = d->flags;
+ d->is_fd_unused = 0;
reply_Uint(desc, d->fd);
}
free_data(data);
@@ -2745,6 +2757,7 @@ file_output(ErlDrvData e, char* buf, ErlDrvSizeT count)
d->invoke = invoke_open;
d->free = free_data;
d->level = 2;
+ d->is_fd_unused = 1;
goto done;
}