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| author | Thomas Gleixner <tglx@linutronix.de> | 2009-04-04 21:01:06 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2009-04-30 19:24:24 +0200 |
| commit | 62ab4505e3efaf67784f84059e0fb9cedb1728ea (patch) | |
| tree | 54da8395eaf30a0386cd71214fbabe94ded229e2 /kernel/compat.c | |
| parent | 30b4ae8a4498543863501f707879b7220b649602 (diff) | |
| download | lwn-62ab4505e3efaf67784f84059e0fb9cedb1728ea.tar.gz lwn-62ab4505e3efaf67784f84059e0fb9cedb1728ea.zip | |
signals: implement sys_rt_tgsigqueueinfo
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>
Diffstat (limited to 'kernel/compat.c')
| -rw-r--r-- | kernel/compat.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/kernel/compat.c b/kernel/compat.c index 42d56544460f..f6c204f07ea6 100644 --- a/kernel/compat.c +++ b/kernel/compat.c @@ -882,6 +882,17 @@ compat_sys_rt_sigtimedwait (compat_sigset_t __user *uthese, } +asmlinkage long +compat_sys_rt_tgsigqueueinfo(compat_pid_t tgid, compat_pid_t pid, int sig, + struct compat_siginfo __user *uinfo) +{ + siginfo_t info; + + if (copy_siginfo_from_user32(&info, uinfo)) + return -EFAULT; + return do_rt_tgsigqueueinfo(tgid, pid, sig, &info); +} + #ifdef __ARCH_WANT_COMPAT_SYS_TIME /* compat_time_t is a 32 bit "long" and needs to get converted. */ |