Set hidden visibility for calls used in lttng-ctl

[lttng-tools.git] / src / common / runas.c

diff --git a/src/common/runas.c b/src/common/runas.c
index 3a89cc9ab8d1f73795ca2d9f963fd34423911cbb..cb697feee797a0baf36a4e70e008f2e33cb3f787 100644 (file)
--- a/src/common/runas.c
+++ b/src/common/runas.c
@@ -192,8 +192,10 @@ int child_run_as(void *_data)
        writeleft = sizeof(sendret);
        index = 0;
        do {
-               writelen = write(data->retval_pipe, &sendret.c[index],
-                               writeleft);
+               do {
+                       writelen = write(data->retval_pipe, &sendret.c[index],
+                                       writeleft);
+               } while (writelen < 0 && errno == EINTR);
                if (writelen < 0) {
                        PERROR("write");
                        return EXIT_FAILURE;
@@ -331,6 +333,7 @@ int run_as(int (*cmd)(void *data), void *data, uid_t uid, gid_t gid)
        }
 }
 
+__attribute__((visibility("hidden")))
 int run_as_mkdir_recursive(const char *path, mode_t mode, uid_t uid, gid_t gid)
 {
        struct run_as_mkdir_data data;
@@ -342,6 +345,7 @@ int run_as_mkdir_recursive(const char *path, mode_t mode, uid_t uid, gid_t gid)
        return run_as(_mkdir_recursive, &data, uid, gid);
 }
 
+__attribute__((visibility("hidden")))
 int run_as_mkdir(const char *path, mode_t mode, uid_t uid, gid_t gid)
 {
        struct run_as_mkdir_data data;
@@ -357,6 +361,7 @@ int run_as_mkdir(const char *path, mode_t mode, uid_t uid, gid_t gid)
  * Note: open_run_as is currently not working. We'd need to pass the fd
  * opened in the child to the parent.
  */
+__attribute__((visibility("hidden")))
 int run_as_open(const char *path, int flags, mode_t mode, uid_t uid, gid_t gid)
 {
        struct run_as_open_data data;