add custom probes support and update tracepoints

[ust.git] / libust / buffers.c

diff --git a/libust/buffers.c b/libust/buffers.c
index 88ec5d3b0aa87dd62fad00bfe6df2440d8960408..ef62a305e9ca6e8feb0aff1a500e31bfabc1646d 100644 (file)
--- a/libust/buffers.c
+++ b/libust/buffers.c
@@ -26,7 +26,6 @@
 #include <sys/shm.h>
 #include <fcntl.h>
 #include <ust/kernelcompat.h>
-#include <kcompat/kref.h>
 #include <stdlib.h>
 #include "buffers.h"
 #include "channels.h"
@@ -636,12 +635,6 @@ static int ust_buffers_init_buffer(struct ust_trace *trace,
        buf->data_ready_fd_read = fds[0];
        buf->data_ready_fd_write = fds[1];
 
-       /* FIXME: do we actually need this? */
-       result = fcntl(fds[0], F_SETFL, O_NONBLOCK);
-       if(result == -1) {
-               PERROR("fcntl");
-       }
-
 //ust//        buf->commit_seq = malloc(sizeof(buf->commit_seq) * n_subbufs);
 //ust//        if(!ltt_buf->commit_seq) {
 //ust//                return -1;
@@ -1220,12 +1213,14 @@ static int ltt_relay_try_reserve_slow(struct ust_channel *chan, struct ust_buffe
  * Return : -ENOSPC if not enough space, else returns 0.
  * It will take care of sub-buffer switching.
  */
-int ltt_reserve_slot_lockless_slow(struct ust_trace *trace,
-               struct ust_channel *chan, void **transport_data,
-               size_t data_size, size_t *slot_size, long *buf_offset, u64 *tsc,
-               unsigned int *rflags, int largest_align, int cpu)
+int ltt_reserve_slot_lockless_slow(struct ust_channel *chan,
+               struct ust_trace *trace, size_t data_size,
+               int largest_align, int cpu,
+               struct ust_buffer **ret_buf,
+               size_t *slot_size, long *buf_offset,
+               u64 *tsc, unsigned int *rflags)
 {
-       struct ust_buffer *buf = chan->buf[cpu];
+       struct ust_buffer *buf = *ret_buf = chan->buf[cpu];
        struct ltt_reserve_switch_offsets offsets;
 
        offsets.size = 0;
@@ -1303,8 +1298,7 @@ static void __attribute__((destructor)) ust_buffers_exit(void)
        ltt_transport_unregister(&ust_relay_transport);
 }
 
-size_t ltt_write_event_header_slow(struct ust_trace *trace,
-               struct ust_channel *channel,
+size_t ltt_write_event_header_slow(struct ust_channel *channel,
                struct ust_buffer *buf, long buf_offset,
                u16 eID, u32 event_size,
                u64 tsc, unsigned int rflags)