diff options
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/fork.c | 15 |
2 files changed, 22 insertions, 0 deletions
@@ -1,3 +1,10 @@ +2013-10-04 Samuel Thibault <samuel.thibault@ens-lyon.org> + + * sysdeps/mach/hurd/fork.c (_hurd_atfork_prepare_hook, + _hurd_atfork_child_hook, _hurd_atfork_parent_hook): New hooks. + (__fork): Call _hurd_atfork_prepare_hook hooks before all locking, call + _hurd_atfork_parent_hook or _hurd_atfork_child_hook after all unlocking. + 2013-10-04 Ryan S. Arnold <ryan.arnold@linaro.org> * misc/swapon.c (swapon): Update definition, adding FLAGS parameter to diff --git a/sysdeps/mach/hurd/fork.c b/sysdeps/mach/hurd/fork.c index ab11babffe..321421fbbc 100644 --- a/sysdeps/mach/hurd/fork.c +++ b/sysdeps/mach/hurd/fork.c @@ -34,6 +34,11 @@ symbol_set_declare (_hurd_fork_locks) +/* Application callbacks registered through pthread_atfork. */ +DEFINE_HOOK (_hurd_atfork_prepare_hook, (void)); +DEFINE_HOOK (_hurd_atfork_child_hook, (void)); +DEFINE_HOOK (_hurd_atfork_parent_hook, (void)); + /* Things that want to be called before we fork, to prepare the parent for task_create, when the new child task will inherit our address space. */ DEFINE_HOOK (_hurd_fork_prepare_hook, (void)); @@ -62,6 +67,8 @@ __fork (void) error_t err; struct hurd_sigstate *volatile ss; + RUN_HOOK (_hurd_atfork_prepare_hook, ()); + ss = _hurd_self_sigstate (); __spin_lock (&ss->critical_section_lock); @@ -695,6 +702,14 @@ __fork (void) _hurd_critical_section_unlock (ss); + if (!err) + { + if (pid != 0) + RUN_HOOK (_hurd_atfork_parent_hook, ()); + else + RUN_HOOK (_hurd_atfork_child_hook, ()); + } + return err ? __hurd_fail (err) : pid; } libc_hidden_def (__fork) |