pos->parent.trace = trace;
break;
case O_RDWR:
- pos->prot = PROT_WRITE; /* Write has priority */
+ pos->prot = PROT_READ | PROT_WRITE;
pos->flags = MAP_SHARED;
pos->parent.rw_table = write_dispatch_table;
pos->parent.event_cb = ctf_write_event;
int ctf_fini_pos(struct ctf_stream_pos *pos)
{
- if (pos->prot == PROT_WRITE && pos->content_size_loc)
+ if ((pos->prot & PROT_WRITE) && pos->content_size_loc)
*pos->content_size_loc = pos->offset;
if (pos->base_mma) {
int ret;
assert(0);
}
- if (pos->prot == PROT_WRITE && pos->content_size_loc)
+ if ((pos->prot & PROT_WRITE) && pos->content_size_loc)
*pos->content_size_loc = pos->offset;
if (pos->base_mma) {
* The caller should never ask for ctf_move_pos across packets,
* except to get exactly at the beginning of the next packet.
*/
- if (pos->prot == PROT_WRITE) {
+ if (pos->prot & PROT_WRITE) {
switch (whence) {
case SEEK_CUR:
/* The writer will add padding */
}
/* update trace_packet_header and stream_packet_context */
- if (pos->prot != PROT_WRITE && file_stream->parent.trace_packet_header) {
+ if (!(pos->prot & PROT_WRITE) &&
+ file_stream->parent.trace_packet_header) {
/* Read packet header */
ret = generic_rw(&pos->parent, &file_stream->parent.trace_packet_header->p);
assert(!ret);
}
- if (pos->prot != PROT_WRITE && file_stream->parent.stream_packet_context) {
+ if (!(pos->prot & PROT_WRITE) &&
+ file_stream->parent.stream_packet_context) {
/* Read packet context */
ret = generic_rw(&pos->parent, &file_stream->parent.stream_packet_context->p);
assert(!ret);