diff options
Diffstat (limited to 'ports/linux/oldclone/pseudo_wrappers.c')
| -rw-r--r-- | ports/linux/oldclone/pseudo_wrappers.c | 36 |
1 files changed, 29 insertions, 7 deletions
diff --git a/ports/linux/oldclone/pseudo_wrappers.c b/ports/linux/oldclone/pseudo_wrappers.c index f0bf112..c0ce5dd 100644 --- a/ports/linux/oldclone/pseudo_wrappers.c +++ b/ports/linux/oldclone/pseudo_wrappers.c @@ -1,13 +1,40 @@ -int +static int wrap_clone(int (*fn)(void *), void *child_stack, int flags, void *arg) { /* unused */ return 0; } +struct clone_args { + int (*fn)(void *); + int flags; + void *arg; +}; + +int wrap_clone_child(void *args) { + struct clone_args *clargs = args; + + int (*fn)(void *) = clargs->fn; + int flags = clargs->flags; + void *arg = clargs->arg; + + /* We always free in the client */ + free(clargs); + + if (!(flags & CLONE_VM)) { + pseudo_setupenv(); + if (!pseudo_get_value("PSEUDO_UNLOAD")) { + pseudo_reinit_libpseudo(); + } else { + pseudo_dropenv(); + } + } + + return fn(arg); +} + int clone(int (*fn)(void *), void *child_stack, int flags, void *arg) { sigset_t saved; - va_list ap; pid_t *pid; struct user_desc *tls; pid_t *ctid; @@ -30,11 +57,6 @@ clone(int (*fn)(void *), void *child_stack, int flags, void *arg) { int save_errno; int save_disabled = pseudo_disabled; - /* because clone() doesn't actually continue in this function, we - * can't check the return and fix up environment variables in the - * child. Instead, we have to temporarily do any fixup, then possibly - * undo it later. UGH! - */ #include "guts/clone.c" |