journal: fix against (theoretical) undefined behavior

[elogind.git] / src / core / execute.h

diff --git a/src/core/execute.h b/src/core/execute.h
index 15574dc97e1766ac6c270c87f4fd51978c60ba95..bd3db0b633274eb1028292d20b41137b2b5cf90e 100644 (file)
--- a/src/core/execute.h
+++ b/src/core/execute.h
@@ -24,6 +24,7 @@
 typedef struct ExecStatus ExecStatus;
 typedef struct ExecCommand ExecCommand;
 typedef struct ExecContext ExecContext;
+typedef struct ExecRuntime ExecRuntime;
 
 #include <linux/types.h>
 #include <sys/time.h>
@@ -33,13 +34,9 @@ typedef struct ExecContext ExecContext;
 #include <stdio.h>
 #include <sched.h>
 
-struct CGroupBonding;
-struct CGroupAttribute;
-
-typedef struct Unit Unit;
-
 #include "list.h"
 #include "util.h"
+#include "fdset.h"
 
 typedef enum ExecInput {
         EXEC_INPUT_NULL,
@@ -82,6 +79,15 @@ struct ExecCommand {
         bool ignore;
 };
 
+struct ExecRuntime {
+        int n_ref;
+
+        char *tmp_dir;
+        char *var_tmp_dir;
+
+        int netns_storage_socket[2];
+};
+
 struct ExecContext {
         char **environment;
         char **environment_files;
@@ -143,14 +149,9 @@ struct ExecContext {
         bool non_blocking;
         bool private_tmp;
         bool private_network;
-        char *tmp_dir;
-        char *var_tmp_dir;
 
         bool no_new_privileges;
 
-        bool control_group_modify;
-        int control_group_persistent;
-
         /* This is not exposed to the user but available
          * internally. We need it to make sure that whenever we spawn
          * /bin/mount it is run in the same process group as us so
@@ -166,6 +167,8 @@ struct ExecContext {
         bool cpu_sched_set:1;
 };
 
+#include "cgroup.h"
+
 int exec_spawn(ExecCommand *command,
                char **argv,
                ExecContext *context,
@@ -175,11 +178,11 @@ int exec_spawn(ExecCommand *command,
                bool apply_chroot,
                bool apply_tty_stdin,
                bool confirm_spawn,
-               struct CGroupBonding *cgroup_bondings,
-               struct CGroupAttribute *cgroup_attributes,
-               const char *cgroup_suffix,
+               CGroupControllerMask cgroup_mask,
+               const char *cgroup_path,
                const char *unit_id,
                int pipe_fd[2],
+               ExecRuntime *runtime,
                pid_t *ret);
 
 void exec_command_done(ExecCommand *c);
@@ -196,20 +199,26 @@ void exec_command_append_list(ExecCommand **l, ExecCommand *e);
 int exec_command_set(ExecCommand *c, const char *path, ...);
 
 void exec_context_init(ExecContext *c);
-void exec_context_done(ExecContext *c, bool reloading_or_reexecuting);
-void exec_context_tmp_dirs_done(ExecContext *c);
+void exec_context_done(ExecContext *c);
 void exec_context_dump(ExecContext *c, FILE* f, const char *prefix);
-void exec_context_tty_reset(const ExecContext *context);
 
 int exec_context_load_environment(const ExecContext *c, char ***l);
 
 bool exec_context_may_touch_console(ExecContext *c);
-void exec_context_serialize(const ExecContext *c, Unit *u, FILE *f);
 
 void exec_status_start(ExecStatus *s, pid_t pid);
 void exec_status_exit(ExecStatus *s, ExecContext *context, pid_t pid, int code, int status);
 void exec_status_dump(ExecStatus *s, FILE *f, const char *prefix);
 
+int exec_runtime_make(ExecRuntime **rt, ExecContext *c, const char *id);
+ExecRuntime *exec_runtime_ref(ExecRuntime *r);
+ExecRuntime *exec_runtime_unref(ExecRuntime *r);
+
+int exec_runtime_serialize(ExecRuntime *rt, Unit *u, FILE *f, FDSet *fds);
+int exec_runtime_deserialize_item(ExecRuntime **rt, Unit *u, const char *key, const char *value, FDSet *fds);
+
+void exec_runtime_destroy(ExecRuntime *rt);
+
 const char* exec_output_to_string(ExecOutput i) _const_;
 ExecOutput exec_output_from_string(const char *s) _pure_;