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signals: implement sys_rt_tgsigqueueinfo

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sys_kill has the per thread counterpart sys_tgkill. sigqueueinfo is
missing a thread directed counterpart. Such an interface is important
for migrating applications from other OSes which have the per thread
delivery implemented.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Oleg Nesterov <oleg@redhat.com>
Acked-by: Roland McGrath <roland@redhat.com>
Acked-by: Ulrich Drepper <drepper@redhat.com>
This commit is contained in:
Thomas Gleixner
2009-04-04 21:01:06 +00:00
parent 30b4ae8a44
commit 62ab4505e3
4 changed files with 41 additions and 0 deletions
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include/linux/compat.h
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@ -222,6 +222,8 @@ int copy_siginfo_from_user32(siginfo_t *to, struct compat_siginfo __user *from);
int copy_siginfo_to_user32(struct compat_siginfo __user *to, siginfo_t *from);
int get_compat_sigevent(struct sigevent *event,
const struct compat_sigevent __user *u_event);
long compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig,
struct compat_siginfo __user *uinfo);
static inline int compat_timeval_compare(struct compat_timeval *lhs,
struct compat_timeval *rhs)