Signed-off-by: Justin Cinkelj <justin.cink...@xlab.si>
---
Makefile | 1 +
core/osv_c_wrappers.cc | 33 +++++++++++++++++++++++++++++++++
include/osv/osv_c_wrappers.h | 27 +++++++++++++++++++++++++++
3 files changed, 61 insertions(+)
create mode 100644 core/osv_c_wrappers.cc
create mode 100644 include/osv/osv_c_wrappers.h
diff --git a/Makefile b/Makefile
index 7e15d0e..95da609 100644
--- a/Makefile
+++ b/Makefile
@@ -908,6 +908,7 @@ objects += core/net_trace.o
objects += core/app.o
objects += core/libaio.o
objects += core/osv_execve.o
+objects += core/osv_c_wrappers.o
#include $(src)/libc/build.mk:
libc =
diff --git a/core/osv_c_wrappers.cc b/core/osv_c_wrappers.cc
new file mode 100644
index 0000000..abd5fe3
--- /dev/null
+++ b/core/osv_c_wrappers.cc
@@ -0,0 +1,33 @@
+
+#include <osv/debug.hh>
+#include <osv/sched.hh>
+#include <osv/app.hh>
+
+using namespace osv;
+using namespace sched;
+
+extern "C" {
+
+int osv_get_all_app_threads(pid_t tid, pid_t** tid_arr, size_t *len) {
+ thread* app_thread = tid==0? thread::current(): thread::find_by_id(tid);
+ if (app_thread == nullptr) {
+ return ESRCH;
+ }
+ std::vector<thread*> app_threads;
+ with_all_app_threads([&](thread& th2) {
+ app_threads.push_back(&th2);
+ }, *app_thread);
+
+ *tid_arr = (pid_t*)malloc(app_threads.size()*sizeof(pid_t));
+ if (*tid_arr == nullptr) {
+ *len = 0;
+ return ENOMEM;
+ }
+ *len = 0;
+ for (auto th : app_threads) {
+ (*tid_arr)[(*len)++] = th->id();
+ }
+ return 0;
+}
+
+}
diff --git a/include/osv/osv_c_wrappers.h b/include/osv/osv_c_wrappers.h
new file mode 100644
index 0000000..acef016
--- /dev/null
+++ b/include/osv/osv_c_wrappers.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2016 XLAB, d.o.o.
+ *
+ * This work is open source software, licensed under the terms of the
+ * BSD license as described in the LICENSE file in the top-level directory.
+ */
+
+#ifndef INCLUDED_OSV_C_WRAPPERS_H
+#define INCLUDED_OSV_C_WRAPPERS_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+Save in *tid_arr array TIDs of all threads from app which "owns" input
tid/thread.
+*tid_arr is allocated with malloc, *len holds lenght.
+Caller is responsible to free tid_arr.
+Returns 0 on success, error code on error.
+*/
+int osv_get_all_app_threads(pid_t tid, pid_t** tid_arr, size_t* max_len);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* INCLUDED_OSV_C_WRAPPERS_H */
--
2.5.0
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