Session layer improvements

Among others:
- Moved app event queue to shared memory segment
- Use private memory segment for builtin apps
- Remove pid from svm fifo
- Protect session fifo (de)allocation
- Use fifo event for session disconnects
- Have session queue node poll in all wk threads

Change-Id: I89dbf7fdfebef12f5ef2b34ba3ef3c2c07f49ff2
Signed-off-by: Florin Coras <fcoras@cisco.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/src/svm/svm_fifo_segment.h b/src/svm/svm_fifo_segment.h
index 9ab47a4c161..4218013a9e4 100644
--- a/src/svm/svm_fifo_segment.h
+++ b/src/svm/svm_fifo_segment.h
@@ -17,6 +17,7 @@
 
 #include <svm/svm_fifo.h>
 #include <svm/ssvm.h>
+#include <vppinfra/lock.h>
 
 typedef struct
 {
@@ -32,6 +33,8 @@ typedef struct
 
 typedef struct
 {
+  volatile u32 lock;
+
   /** pool of segments */
   svm_fifo_segment_private_t *segments;
   /* Where to put the next one */
@@ -78,6 +81,8 @@ typedef enum
 } ssvm_fifo_segment_api_error_enum_t;
 
 int svm_fifo_segment_create (svm_fifo_segment_create_args_t * a);
+int svm_fifo_segment_create_process_private (svm_fifo_segment_create_args_t
+					     * a);
 int svm_fifo_segment_attach (svm_fifo_segment_create_args_t * a);
 void svm_fifo_segment_delete (svm_fifo_segment_private_t * s);