aboutsummaryrefslogtreecommitdiff
path: root/libgomp/config/linux/omp-lock.h
diff options
context:
space:
mode:
Diffstat (limited to 'libgomp/config/linux/omp-lock.h')
-rw-r--r--libgomp/config/linux/omp-lock.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/libgomp/config/linux/omp-lock.h b/libgomp/config/linux/omp-lock.h
new file mode 100644
index 0000000..350cba1
--- /dev/null
+++ b/libgomp/config/linux/omp-lock.h
@@ -0,0 +1,10 @@
+/* This header is used during the build process to find the size and
+ alignment of the public OpenMP locks, so that we can export data
+ structures without polluting the namespace.
+
+ When using the Linux futex primitive, non-recursive locks require
+ only one int. Recursive locks require we identify the owning thread
+ and so require two ints. */
+
+typedef int omp_lock_t;
+typedef struct { int owner, count; } omp_nest_lock_t;