Merge branch 'rickard/ethread-rewrite/OTP-8544' into dev

* rickard/ethread-rewrite/OTP-8544:
  Rewrite ethread library

1 files changed, 67 insertions, 0 deletions

diff --git a/erts/include/internal/ethr_internal.h b/erts/include/internal/ethr_internal.h
new file mode 100644
index 0000000000..e9c3daf783
--- /dev/null
+++ b/erts/include/internal/ethr_internal.h
@@ -0,0 +1,67 @@
+/*
+ * %CopyrightBegin%
+ *
+ * Copyright Ericsson AB 2010. All Rights Reserved.
+ *
+ * The contents of this file are subject to the Erlang Public License,
+ * Version 1.1, (the "License"); you may not use this file except in
+ * compliance with the License. You should have received a copy of the
+ * Erlang Public License along with this software. If not, it can be
+ * retrieved online at http://www.erlang.org/.
+ *
+ * Software distributed under the License is distributed on an "AS IS"
+ * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+ * the License for the specific language governing rights and limitations
+ * under the License.
+ *
+ * %CopyrightEnd%
+ */
+
+/*
+ * Description: Internal ethread exports
+ * Author: Rickard Green
+ */
+
+#ifndef ETHR_INTERNAL_H__
+#define ETHR_INTERNAL_H__
+
+#include "erl_misc_utils.h"
+
+extern ethr_memory_allocators ethr_mem__;
+extern erts_cpu_info_t *ethr_cpu_info__;
+extern size_t ethr_pagesize__;
+extern size_t ethr_min_stack_size__; /* kilo words */
+extern size_t ethr_max_stack_size__; /* kilo words */
+extern int ethr_not_completely_inited__;
+extern int ethr_not_inited__;
+
+extern void *(*ethr_thr_prepare_func__)(void);
+extern void (*ethr_thr_parent_func__)(void *);
+extern void (*ethr_thr_child_func__)(void *);
+
+#define ETHR_PAGE_ALIGN(SZ) \
+  (((((size_t) (SZ)) - 1)/ethr_pagesize__ + 1)*ethr_pagesize__)
+#define ETHR_B2KW(B) ((((size_t) (B)) - 1)/(sizeof(void *)*1024) + 1)
+#define ETHR_KW2B(KW) (((size_t) (KW))*sizeof(void *)*1024)
+
+#undef ETHR_STACK_GUARD_SIZE 
+#ifdef ETHR_HAVE_PTHREAD_ATTR_SETGUARDSIZE
+#  define ETHR_STACK_GUARD_SIZE (ethr_pagesize__)
+#endif
+
+/* implemented in lib_src/<thr-lib>/ethread.c */
+int ethr_set_tse__(ethr_ts_event *tsep);
+ethr_ts_event *ethr_get_tse__(void);
+ETHR_PROTO_NORETURN__ ethr_abort__(void);
+#ifdef ETHR_WIN32_THREADS
+int ethr_win_get_errno__(void);
+#endif
+
+/* implemented in lib_src/common/ethread_aux.c */
+int ethr_init_common__(ethr_init_data *id);
+int ethr_late_init_common__(ethr_late_init_data *lid);
+void ethr_run_exit_handlers__(void);
+void ethr_ts_event_destructor__(void *vtsep);
+
+
+#endif