From 122b2a002a0ebe173c206c7979eb99cc3a2bcbbb Mon Sep 17 00:00:00 2001
From: David Michaeli <cariboulabs.co@gmail.com>
Date: Sun, 9 Jan 2022 13:59:33 +0200
Subject: [PATCH] integration of iir1 lib into the software tree

---
 software/libcariboulite/CMakeLists.txt          | 6 ++++--
 software/libcariboulite/src/cariboulite_setup.c | 7 ++++++-
 software/libcariboulite/src/iir1                | 1 +
 3 files changed, 11 insertions(+), 3 deletions(-)
 create mode 160000 software/libcariboulite/src/iir1

diff --git a/software/libcariboulite/CMakeLists.txt b/software/libcariboulite/CMakeLists.txt
index 12cde13..b702230 100644
--- a/software/libcariboulite/CMakeLists.txt
+++ b/software/libcariboulite/CMakeLists.txt
@@ -25,6 +25,7 @@ add_subdirectory(src/cariboulite_config EXCLUDE_FROM_ALL)
 add_subdirectory(src/cariboulite_eeprom EXCLUDE_FROM_ALL)
 add_subdirectory(src/production_utils EXCLUDE_FROM_ALL)
 add_subdirectory(src/zf_log EXCLUDE_FROM_ALL)
+add_subdirectory(src/iir1 EXCLUDE_FROM_ALL)
 
 # Create the library LibCaribouLite
 add_library(cariboulite STATIC ${SOURCES_LIB})
@@ -43,7 +44,8 @@ target_link_libraries(cariboulite   datatypes
                                     rt
                                     m
                                     pthread
-									iir_static)
+									iir)
+
 target_include_directories(cariboulite PUBLIC ${CMAKE_CURRENT_SOURCE_DIR})
 add_compile_options(-Wall -Wextra -Wno-unused-variable -Wno-missing-braces)
 
@@ -107,4 +109,4 @@ set_target_properties( fpgacomm PROPERTIES RUNTIME_OUTPUT_DIRECTORY test)
 # ------------
 # Set the location for library installation -- i.e., /usr/lib in this case
 # not really necessary in this example. Use "sudo make install" to apply
-#install(TARGETS cariboulite DESTINATION /usr/lib)
\ No newline at end of file
+#install(TARGETS cariboulite DESTINATION /usr/lib)
diff --git a/software/libcariboulite/src/cariboulite_setup.c b/software/libcariboulite/src/cariboulite_setup.c
index f65f37b..21417f3 100644
--- a/software/libcariboulite/src/cariboulite_setup.c
+++ b/software/libcariboulite/src/cariboulite_setup.c
@@ -8,6 +8,8 @@
 
 #include <signal.h>
 #include <stdio.h>
+#include <errno.h>
+
 #include "cariboulite_setup.h"
 #include "cariboulite_events.h"
 #include "cariboulite_fpga_firmware.h"
@@ -118,7 +120,9 @@ void cariboulite_sigaction_basehandler (int signo,
     int run_first = 0;
     int run_last = 0;
 
-    //cariboulite_st* sys = (cariboulite_st*)ucontext;
+	// store the errno
+	int internal_errno = errno;
+
 
     if (sigsys->signal_cb)
     {
@@ -164,6 +168,7 @@ void cariboulite_sigaction_basehandler (int signo,
         sigsys->signal_cb(sigsys, sigsys->singal_cb_context, signo, si);
     }
 
+	errno = internal_errno;
 	exit(0);
 }
 
diff --git a/software/libcariboulite/src/iir1 b/software/libcariboulite/src/iir1
new file mode 160000
index 0000000..fc8634d
--- /dev/null
+++ b/software/libcariboulite/src/iir1
@@ -0,0 +1 @@
+Subproject commit fc8634d15b470a00ba4859915fec0047bb486dd4