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Unified Diff: sandbox/linux/services/syscall_wrappers.h

Issue 754433003: Update from https://crrev.com/305340 (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 6 years, 1 month ago
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Index: sandbox/linux/services/syscall_wrappers.h
diff --git a/sandbox/linux/services/syscall_wrappers.h b/sandbox/linux/services/syscall_wrappers.h
new file mode 100644
index 0000000000000000000000000000000000000000..03d5cdf8891ab2697590d27fb97f09fb5a96e244
--- /dev/null
+++ b/sandbox/linux/services/syscall_wrappers.h
@@ -0,0 +1,35 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef SANDBOX_LINUX_SERVICES_SYSCALL_WRAPPERS_H_
+#define SANDBOX_LINUX_SERVICES_SYSCALL_WRAPPERS_H_
+
+#include <sys/types.h>
+
+#include "sandbox/sandbox_export.h"
+
+namespace sandbox {
+
+// Provide direct system call wrappers for a few common system calls.
+// These are guaranteed to perform a system call and do not rely on things such
+// as caching the current pid (c.f. getpid()).
+
+SANDBOX_EXPORT pid_t sys_getpid(void);
+
+SANDBOX_EXPORT pid_t sys_gettid(void);
+
+SANDBOX_EXPORT long sys_clone(unsigned long flags);
+
+// |regs| is not supported and must be passed as nullptr.
+SANDBOX_EXPORT long sys_clone(unsigned long flags,
+ void* child_stack,
+ pid_t* ptid,
+ pid_t* ctid,
+ decltype(nullptr) regs);
+
+SANDBOX_EXPORT void sys_exit_group(int status);
+
+} // namespace sandbox
+
+#endif // SANDBOX_LINUX_SERVICES_SYSCALL_WRAPPERS_H_
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