diff options
Diffstat (limited to 'lib/runtime_tools/c_src/trace_file_drv.c')
| -rw-r--r-- | lib/runtime_tools/c_src/trace_file_drv.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/lib/runtime_tools/c_src/trace_file_drv.c b/lib/runtime_tools/c_src/trace_file_drv.c index 703766c188..e7fd5968c1 100644 --- a/lib/runtime_tools/c_src/trace_file_drv.c +++ b/lib/runtime_tools/c_src/trace_file_drv.c @@ -172,6 +172,7 @@ static ErlDrvData trace_file_start(ErlDrvPort port, char *buff); static void trace_file_stop(ErlDrvData handle); static void trace_file_output(ErlDrvData handle, char *buff, ErlDrvSizeT bufflen); +static void trace_file_outputv(ErlDrvData handle, ErlIOVec *ev); static void trace_file_finish(void); static ErlDrvSSizeT trace_file_control(ErlDrvData handle, unsigned int command, @@ -214,7 +215,7 @@ ErlDrvEntry trace_file_driver_entry = { NULL, /* void * that is not used (BC) */ trace_file_control, /* F_PTR control, port_control callback */ trace_file_timeout, /* F_PTR timeout, driver_set_timer callback */ - NULL, /* F_PTR outputv, reserved */ + trace_file_outputv, /* F_PTR outputv, reserved */ NULL, /* ready_async */ NULL, /* flush */ NULL, /* call */ @@ -363,6 +364,16 @@ static void trace_file_stop(ErlDrvData handle) /* ** Data sent from erlang to port. */ +static void trace_file_outputv(ErlDrvData handle, ErlIOVec *ev) +{ + int i; + for (i = 0; i < ev->vsize; i++) { + if (ev->iov[i].iov_len) + trace_file_output(handle, ev->iov[i].iov_base, + ev->iov[i].iov_len); + } +} + static void trace_file_output(ErlDrvData handle, char *buff, ErlDrvSizeT bufflen) { |