diff options
| author | Roland McGrath <roland@redhat.com> | 2008-04-30 00:53:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-30 08:29:37 -0700 |
| commit | f3de272b821accbc8387211977c2de4f38468d05 (patch) | |
| tree | 775b5b3db5a09176447d4e62e04077b63640a4d7 /include/linux | |
| parent | 49eaeb4bc4c901c327ee259c7768be20fd020a30 (diff) | |
signals: use HAVE_SET_RESTORE_SIGMASK
Change all the #ifdef TIF_RESTORE_SIGMASK conditionals in non-arch code to
#ifdef HAVE_SET_RESTORE_SIGMASK. If arch code defines it first, the generic
set_restore_sigmask() using TIF_RESTORE_SIGMASK is not defined.
Signed-off-by: Roland McGrath <roland@redhat.com>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/sched.h | 2 | ||||
| -rw-r--r-- | include/linux/thread_info.h | 10 |
2 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h index fe970cdca83c..86e60796db62 100644 --- a/include/linux/sched.h +++ b/include/linux/sched.h @@ -1175,7 +1175,7 @@ struct task_struct { struct sighand_struct *sighand; sigset_t blocked, real_blocked; - sigset_t saved_sigmask; /* To be restored with TIF_RESTORE_SIGMASK */ + sigset_t saved_sigmask; /* restored if set_restore_sigmask() was used */ struct sigpending pending; unsigned long sas_ss_sp; diff --git a/include/linux/thread_info.h b/include/linux/thread_info.h index 81c5f82f0663..38a56477f27a 100644 --- a/include/linux/thread_info.h +++ b/include/linux/thread_info.h @@ -92,7 +92,13 @@ static inline int test_ti_thread_flag(struct thread_info *ti, int flag) #define set_need_resched() set_thread_flag(TIF_NEED_RESCHED) #define clear_need_resched() clear_thread_flag(TIF_NEED_RESCHED) -#ifdef TIF_RESTORE_SIGMASK +#if defined TIF_RESTORE_SIGMASK && !defined HAVE_SET_RESTORE_SIGMASK +/* + * An arch can define its own version of set_restore_sigmask() to get the + * job done however works, with or without TIF_RESTORE_SIGMASK. + */ +#define HAVE_SET_RESTORE_SIGMASK 1 + /** * set_restore_sigmask() - make sure saved_sigmask processing gets done * @@ -109,7 +115,7 @@ static inline void set_restore_sigmask(void) set_thread_flag(TIF_RESTORE_SIGMASK); set_thread_flag(TIF_SIGPENDING); } -#endif /* TIF_RESTORE_SIGMASK */ +#endif /* TIF_RESTORE_SIGMASK && !HAVE_SET_RESTORE_SIGMASK */ #endif /* __KERNEL__ */ |