[Libcg-devel] [PATCH 2/5] api.c: Expose cgroup_fill_cgc() to users of libcgroup.la

[Tom Hromatka]

Remove the static qualifier from cgroup_fill_cgc().  As part
of the cgget refactor, cgget will utilize this function.

Signed-off-by: Tom Hromatka <tom.hroma...@oracle.com>
---
 src/api.c                |  4 ++--
 src/libcgroup-internal.h | 15 +++++++++++++++
 src/libcgroup.map        |  1 +
 3 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/src/api.c b/src/api.c
index 8853e5439f0d..1a5e4a781b58 100644
--- a/src/api.c
+++ b/src/api.c
@@ -2971,8 +2971,8 @@ static int cg_rd_ctrl_file(const char *subsys, const char 
*cgroup,
 /*
  * Call this function with required locks taken.
  */
-static int cgroup_fill_cgc(struct dirent *ctrl_dir, struct cgroup *cgroup,
-                       struct cgroup_controller *cgc, int cg_index)
+int cgroup_fill_cgc(struct dirent *ctrl_dir, struct cgroup *cgroup,
+                   struct cgroup_controller *cgc, int cg_index)
 {
        char *ctrl_name = NULL;
        char *ctrl_file = NULL;
diff --git a/src/libcgroup-internal.h b/src/libcgroup-internal.h
index c152b6872c23..eef54442674b 100644
--- a/src/libcgroup-internal.h
+++ b/src/libcgroup-internal.h
@@ -19,6 +19,7 @@
 __BEGIN_DECLS
 
 #include "config.h"
+#include <dirent.h>
 #include <fts.h>
 #include <libcgroup.h>
 #include <limits.h>
@@ -335,6 +336,20 @@ int cgroup_build_tasks_procs_path(char * const path,
 char *cg_build_path_locked(const char *setting, char *path,
                           const char *controller);
 
+/**
+ * Given a cgroup controller and a setting within it, populate the setting's
+ * value
+ *
+ * @param ctrl_dir dirent representation of the setting, e.g. memory.stat
+ * @param cgroup current cgroup
+ * @param cgc current cgroup controller
+ * @param cg_index Index into the cg_mount_table of the cgroup
+ *
+ * @note The cg_mount_table_lock must be held prior to calling this function
+ */
+int cgroup_fill_cgc(struct dirent *ctrl_dir, struct cgroup *cgroup,
+                   struct cgroup_controller *cgc, int cg_index);
+
 /**
  * Functions that are defined as STATIC can be placed within the UNIT_TEST
  * ifdef.  This will allow them to be included in the unit tests while
diff --git a/src/libcgroup.map b/src/libcgroup.map
index fbb4530a6a04..f7cc710a27a3 100644
--- a/src/libcgroup.map
+++ b/src/libcgroup.map
@@ -133,4 +133,5 @@ CGROUP_0.42 {
 CGROUP_0.43 {
        cgroup_build_tasks_procs_path;
        cg_build_path_locked;
+       cgroup_fill_cgc;
 } CGROUP_0.42;
-- 
2.26.2



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