diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/clone_internal.h | 24 |
1 files changed, 19 insertions, 5 deletions
diff --git a/include/clone_internal.h b/include/clone_internal.h index 4b23ef33ce..73b8114df4 100644 --- a/include/clone_internal.h +++ b/include/clone_internal.h @@ -1,10 +1,24 @@ -#ifndef _CLONE3_H -#include_next <clone3.h> +#ifndef _CLONE_INTERNAL_H +#define _CLONE_INTERNAL_H -extern __typeof (clone3) __clone3; +#include <clone3.h> -/* The internal wrapper of clone/clone2 and clone3. If __clone3 returns - -1 with ENOSYS, fall back to clone or clone2. */ +/* The clone3 syscall provides a superset of the functionality of the clone + interface. The kernel might extend __CL_ARGS struct in the future, with + each version with a diffent __SIZE. If the child is created, it will + start __FUNC function with __ARG arguments. + + Different than kernel, the implementation also returns EINVAL for an + invalid NULL __CL_ARGS or __FUNC (similar to __clone). + + This function is only implemented if the ABI defines HAVE_CLONE3_WRAPPER. +*/ +extern int __clone3 (struct clone_args *__cl_args, size_t __size, + int (*__func) (void *__arg), void *__arg); + +/* The internal wrapper of clone/clone2 and clone3. Different than __clone3, + it will align the stack if required. If __clone3 returns -1 with ENOSYS, + fall back to clone or clone2. */ extern int __clone_internal (struct clone_args *__cl_args, int (*__func) (void *__arg), void *__arg); |