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-rw-r--r--src/svm/svm_fifo.c66
1 files changed, 44 insertions, 22 deletions
diff --git a/src/svm/svm_fifo.c b/src/svm/svm_fifo.c
index cc84feb9a6d..097bab77c9c 100644
--- a/src/svm/svm_fifo.c
+++ b/src/svm/svm_fifo.c
@@ -20,8 +20,6 @@ svm_fifo_t *
svm_fifo_create (u32 data_size_in_bytes)
{
svm_fifo_t *f;
- pthread_mutexattr_t attr;
- pthread_condattr_t cattr;
f = clib_mem_alloc_aligned_or_null (sizeof (*f) + data_size_in_bytes,
CLIB_CACHE_LINE_BYTES);
@@ -32,29 +30,16 @@ svm_fifo_create (u32 data_size_in_bytes)
f->nitems = data_size_in_bytes;
f->ooos_list_head = OOO_SEGMENT_INVALID_INDEX;
- memset (&attr, 0, sizeof (attr));
- memset (&cattr, 0, sizeof (cattr));
-
- if (pthread_mutexattr_init (&attr))
- clib_unix_warning ("mutexattr_init");
- if (pthread_mutexattr_setpshared (&attr, PTHREAD_PROCESS_SHARED))
- clib_unix_warning ("pthread_mutexattr_setpshared");
- if (pthread_mutex_init (&f->mutex, &attr))
- clib_unix_warning ("mutex_init");
- if (pthread_mutexattr_destroy (&attr))
- clib_unix_warning ("mutexattr_destroy");
- if (pthread_condattr_init (&cattr))
- clib_unix_warning ("condattr_init");
- if (pthread_condattr_setpshared (&cattr, PTHREAD_PROCESS_SHARED))
- clib_unix_warning ("condattr_setpshared");
- if (pthread_cond_init (&f->condvar, &cattr))
- clib_unix_warning ("cond_init1");
- if (pthread_condattr_destroy (&cattr))
- clib_unix_warning ("cond_init2");
-
return (f);
}
+void
+svm_fifo_free (svm_fifo_t * f)
+{
+ pool_free (f->ooo_segments);
+ clib_mem_free (f);
+}
+
always_inline ooo_segment_t *
ooo_segment_new (svm_fifo_t * f, u32 start, u32 length)
{
@@ -567,6 +552,43 @@ svm_fifo_dequeue_drop (svm_fifo_t * f, int pid, u32 max_bytes)
return total_drop_bytes;
}
+u8 *
+format_svm_fifo (u8 * s, va_list * args)
+{
+ svm_fifo_t *f = va_arg (*args, svm_fifo_t *);
+ int verbose = va_arg (*args, int);
+
+ s = format (s, "cursize %u nitems %u has_event %d\n",
+ f->cursize, f->nitems, f->has_event);
+ s = format (s, "head %d tail %d\n", f->head, f->tail);
+
+ if (verbose > 1)
+ s = format
+ (s, "server session %d thread %d client session %d thread %d\n",
+ f->server_session_index, f->server_thread_index,
+ f->client_session_index, f->client_thread_index);
+
+ if (verbose)
+ {
+ ooo_segment_t *seg;
+ u32 seg_index;
+
+ s =
+ format (s, "ooo pool %d active elts\n", pool_elts (f->ooo_segments));
+
+ seg_index = f->ooos_list_head;
+
+ while (seg_index != OOO_SEGMENT_INVALID_INDEX)
+ {
+ seg = pool_elt_at_index (f->ooo_segments, seg_index);
+ s = format (s, " pos %u, len %u next %d\n",
+ seg->fifo_position, seg->length, seg->next);
+ seg_index = seg->next;
+ }
+ }
+ return s;
+}
+
/*
* fd.io coding-style-patch-verification: ON
*