[LTP] [PATCH v2 2/3] cma: add process_vm.h

[LTP] [PATCH v2 2/3] cma: add process_vm.h

[Jan Stancek]

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header file shared by tests, defines:
test_process_vm_readv
test_process_vm_writev

Signed-off-by: Jan Stancek <jstancek@redhat.com>
---
 testcases/kernel/syscalls/cma/process_vm.h |   58 ++++++++++++++++++++++++++++
 1 files changed, 58 insertions(+), 0 deletions(-)
 create mode 100644 testcases/kernel/syscalls/cma/process_vm.h



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diff --git a/testcases/kernel/syscalls/cma/process_vm.h b/testcases/kernel/syscalls/cma/process_vm.h
new file mode 100644
index 0000000..04176c9
--- /dev/null
+++ b/testcases/kernel/syscalls/cma/process_vm.h
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2012 Linux Test Project, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of version 2 of the GNU General Public
+ * License as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it would be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * Further, this software is distributed without any warranty that it
+ * is free of the rightful claim of any third person regarding
+ * infringement or the like.  Any license provided herein, whether
+ * implied or otherwise, applies only to this software file.  Patent
+ * licenses, if any, provided herein do not apply to combinations of
+ * this program with other software, or any other product whatsoever.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+#ifndef _PROCESS_VM_H_
+#define _PROCESS_VM_H_
+
+#include <sys/syscall.h>
+#include <sys/uio.h>
+#include <unistd.h>
+
+static inline ssize_t test_process_vm_readv(pid_t pid,
+		const struct iovec *lvec, unsigned long liovcnt,
+		const struct iovec *rvec, unsigned long riovcnt,
+		unsigned long flags)
+{
+#if defined(__NR_process_vm_readv)
+	return syscall(__NR_process_vm_readv, pid, lvec, liovcnt,
+			rvec, riovcnt, flags);
+#else
+	return syscall(-1);
+#endif
+}
+
+static inline ssize_t test_process_vm_writev(pid_t pid,
+		const struct iovec *lvec, unsigned long liovcnt,
+		const struct iovec *rvec, unsigned long riovcnt,
+		unsigned long flags)
+{
+#if defined(__NR_process_vm_writev)
+	return syscall(__NR_process_vm_writev, pid, lvec, liovcnt,
+			rvec, riovcnt, flags);
+#else
+	return syscall(-1);
+#endif
+}
+
+#endif /* _PROCESS_VM_H_ */


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