gcc: Threads support enabled

TODO: Impl pthread_cond for libstdc++

Signed-off-by: Max Logaev <maxlogaev@proton.me>

libraries/newlib/kossup/include/pthread.h

@@ -9,7 +9,7 @@
 
 #include <stdatomic.h>
 #include <sys/cdefs.h>
-#include <sys/sched.h>
+#include <sched.h>
 #include <sys/_pthreadtypes.h>
 
 #ifdef __cplusplus

libraries/newlib/kossup/include/sys/_pthreadtypes.h

@@ -132,6 +132,13 @@ typedef struct
 
 #define _PTHREAD_ONCE_INIT { 0 } 
 
+/* POSIX Condition Variables */
+
+typedef struct 
+{
+  int stub;
+} pthread_cond_t;
+
 #ifdef __cplusplus
 extern "C"
 }

tests/CMakeLists.txt

@@ -12,6 +12,7 @@ add_executable(mutex pthread/mutex.c)
 add_executable(mutex_errcheck pthread/mutex_errcheck.c)
 add_executable(key pthread/key.c)
 add_executable(once pthread/once.c)
+add_executable(thread_local pthread/thread_local.c)
 
 install(TARGETS hello malloc  DESTINATION tests)
-install(TARGETS mutex mutex_errcheck create detach exit key once DESTINATION tests/pthread)
+install(TARGETS mutex mutex_errcheck create detach exit key once thread_local DESTINATION tests/pthread)

tests/pthread/thread_local.c

@@ -0,0 +1,52 @@
+#include <string.h>
+#include <kolibrios/dbg.h>
+#include <pthread.h>
+
+static _Thread_local int tl_var = 99;
+
+static void *
+thread (void *arg)
+{
+  if (tl_var != 99)
+    {
+      __kos_dbg_puts ("E: Test failed: tl != 99");
+    }
+
+  tl_var = 222;
+
+  return NULL;
+}
+
+int
+main ()
+{
+  int rc = 0;
+  pthread_t id;
+
+  tl_var = 100;
+
+  __kos_dbg_puts ("I: Thread local test");
+
+  rc = pthread_create (&id, NULL, thread, NULL);
+  if (rc)
+    {
+      __kos_dbg_printf ("E: pthread_create() failed: %s\n", strerror (rc));
+      return 1;
+    }
+
+  rc = pthread_join (id, NULL);
+  if (rc)
+    {
+      __kos_dbg_printf ("E: pthread_join() failed: %s\n", strerror (rc));
+      return 1;
+    }
+
+  if (tl_var != 100)
+    {
+      __kos_dbg_puts ("E: Test failed: tl != 100");
+      return 1;
+    }
+
+  __kos_dbg_puts ("I: Test passed");
+  return 0;
+}

toolchain/CMakeLists.txt

@@ -63,6 +63,7 @@ ExternalProject_Add(
         --disable-multilib
         --disable-nls
         --enable-shared
+        --enable-threads
         --enable-languages=c
     BUILD_COMMAND
         make -j${JOBS} all-gcc all-target-libgcc

toolchain/gcc/gcc/config.gcc

@@ -2121,7 +2121,6 @@ i[34567]86-*-kolibrios*)
 	default_use_cxa_atexit=yes
 	use_gcc_stdint=wrap
 	if test x$enable_threads = xyes; then
-		# Not supported yet!
 		thread_file='posix'
 	fi
 ;;

toolchain/gcc/gcc/configure

@@ -13012,7 +13012,7 @@ case ${enable_threads} in
     target_thread_file='single'
     ;;
   aix | dce | lynx | mipssde | posix | rtems | \
-  single | tpf | vxworks | win32 | mcf | kolibrios)
+  single | tpf | vxworks | win32 | mcf)
     target_thread_file=${enable_threads}
     ;;
   *)