diff options
Diffstat (limited to 'include/register-atfork.h')
| -rw-r--r-- | include/register-atfork.h | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/include/register-atfork.h b/include/register-atfork.h index be631137b6..5ebe5a0b3e 100644 --- a/include/register-atfork.h +++ b/include/register-atfork.h @@ -26,6 +26,7 @@ struct fork_handler void (*parent_handler) (void); void (*child_handler) (void); void *dso_handle; + uint64_t id; }; /* Function to call to unregister fork handlers. */ @@ -39,19 +40,18 @@ enum __run_fork_handler_type atfork_run_parent }; -/* Run the atfork handlers and lock/unlock the internal lock depending - of the WHO argument: - - - atfork_run_prepare: run all the PREPARE_HANDLER in reverse order of - insertion and locks the internal lock. - - atfork_run_child: run all the CHILD_HANDLER and unlocks the internal - lock. - - atfork_run_parent: run all the PARENT_HANDLER and unlocks the internal - lock. - - Perform locking only if DO_LOCKING. */ -extern void __run_fork_handlers (enum __run_fork_handler_type who, - _Bool do_locking) attribute_hidden; +/* Run the atfork prepare handlers in the reverse order of registration and + return the ID of the last registered handler. If DO_LOCKING is true, the + internal lock is held locked upon return. */ +extern uint64_t __run_prefork_handlers (_Bool do_locking) attribute_hidden; + +/* Given a handler type (parent or child), run all the atfork handlers in + the order of registration up to and including the handler with id equal + to LASTRUN. If DO_LOCKING is true, the internal lock is unlocked prior + to return. */ +extern void __run_postfork_handlers (enum __run_fork_handler_type who, + _Bool do_locking, + uint64_t lastrun) attribute_hidden; /* C library side function to register new fork handlers. */ extern int __register_atfork (void (*__prepare) (void), |