machined: add "machinectl remove" for removing images

[elogind.git] / src / shared / missing.h

diff --git a/src/shared/missing.h b/src/shared/missing.h
index bea1254369ab3362ce7c5b867a6932ee90a04bb5..dd7bef4d9d70c1fe83d134ccbb2425849b555b00 100644 (file)
--- a/src/shared/missing.h
+++ b/src/shared/missing.h
@@ -250,6 +250,14 @@ struct btrfs_ioctl_fs_info_args {
                                  struct btrfs_ioctl_vol_args)
 #endif
 
+#ifndef BTRFS_FIRST_FREE_OBJECTID
+#define BTRFS_FIRST_FREE_OBJECTID 256
+#endif
+
+#ifndef BTRFS_ROOT_ITEM_KEY
+#define BTRFS_ROOT_ITEM_KEY 132
+#endif
+
 #ifndef BTRFS_SUPER_MAGIC
 #define BTRFS_SUPER_MAGIC 0x9123683E
 #endif
@@ -636,12 +644,16 @@ static inline int setns(int fd, int nstype) {
 #define CAP_AUDIT_READ 37
 #endif
 
-static inline long raw_clone(unsigned long flags, void *child_stack) {
+static inline int raw_clone(unsigned long flags, void *child_stack) {
 #if defined(__s390__) || defined(__CRIS__)
         /* On s390 and cris the order of the first and second arguments
          * of the raw clone() system call is reversed. */
-        return syscall(__NR_clone, child_stack, flags);
+        return (int) syscall(__NR_clone, child_stack, flags);
 #else
-        return syscall(__NR_clone, flags, child_stack);
+        return (int) syscall(__NR_clone, flags, child_stack);
 #endif
 }
+
+static inline pid_t raw_getpid(void) {
+        return (pid_t) syscall(__NR_getpid);
+}