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authorArnaldo Carvalho de Melo <acme@redhat.com>2015-04-07 11:53:41 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-05-08 16:11:05 -0300
commitda6d8567512df11e0473b710c07de87efde5709c (patch)
tree24601b1c6d8347e03517c8c24959171ba34dd3c5 /tools/include/linux
parent42b09d7b0e3d57a92b938fde5fcb532e9a88e1ea (diff)
tools include: Add basic atomic.h implementation from the kernel sources
Uses the arch/x86/ kernel code for x86_64/i386, fallbacking to a gcc intrinsics implementation that has been tested in at least sparc64. Will be used for reference counting in tools/perf. Acked-by: David Ahern <dsahern@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: Don Zickus <dzickus@redhat.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lkml.kernel.org/n/tip-knfpjowhgyh6x4z0kfuk389j@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/include/linux')
-rw-r--r--tools/include/linux/atomic.h6
-rw-r--r--tools/include/linux/types.h4
2 files changed, 10 insertions, 0 deletions
diff --git a/tools/include/linux/atomic.h b/tools/include/linux/atomic.h
new file mode 100644
index 000000000000..4e3d3d18ebab
--- /dev/null
+++ b/tools/include/linux/atomic.h
@@ -0,0 +1,6 @@
+#ifndef __TOOLS_LINUX_ATOMIC_H
+#define __TOOLS_LINUX_ATOMIC_H
+
+#include <asm/atomic.h>
+
+#endif /* __TOOLS_LINUX_ATOMIC_H */
diff --git a/tools/include/linux/types.h b/tools/include/linux/types.h
index b5cf25e05df2..0bdeda66aae5 100644
--- a/tools/include/linux/types.h
+++ b/tools/include/linux/types.h
@@ -60,6 +60,10 @@ typedef __u32 __bitwise __be32;
typedef __u64 __bitwise __le64;
typedef __u64 __bitwise __be64;
+typedef struct {
+ int counter;
+} atomic_t;
+
struct list_head {
struct list_head *next, *prev;
};