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32-bit compatibility for various timer-related system calls.

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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Ralf Baechle
2005-02-16 21:25:03 +00:00
parent a982099ca5
commit d1abb6a2b8
3 changed files with 60 additions and 10 deletions
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arch/mips/kernel/linux32.c
+50
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@@ -1418,3 +1418,53 @@ asmlinkage long sys32_socketcall(int call, unsigned int *args32)
}
return err;
}
struct sigevent32 {
u32 sigev_value;
u32 sigev_signo;
u32 sigev_notify;
u32 payload[(64 / 4) - 3];
};
extern asmlinkage long
sys_timer_create(clockid_t which_clock,
struct sigevent __user *timer_event_spec,
timer_t __user * created_timer_id);
long
sys32_timer_create(u32 clock, struct sigevent32 __user *se32, timer_t __user *timer_id)
{
struct sigevent __user *p = NULL;
if (se32) {
struct sigevent se;
p = compat_alloc_user_space(sizeof(struct sigevent));
memset(&se, 0, sizeof(struct sigevent));
if (get_user(se.sigev_value.sival_int, &se32->sigev_value) ||
__get_user(se.sigev_signo, &se32->sigev_signo) ||
__get_user(se.sigev_notify, &se32->sigev_notify) ||
__copy_from_user(&se._sigev_un._pad, &se32->payload,
sizeof(se32->payload)) ||
copy_to_user(p, &se, sizeof(se)))
return -EFAULT;
}
return sys_timer_create(clock, p, timer_id);
}
asmlinkage long
sysn32_rt_sigtimedwait(const sigset_t __user *uthese,
siginfo_t __user *uinfo,
const struct compat_timespec __user *uts32,
size_t sigsetsize)
{
struct timespec __user *uts = NULL;
if (uts32) {
struct timespec ts;
uts = compat_alloc_user_space(sizeof(struct timespec));
if (get_user(ts.tv_sec, &uts32->tv_sec) ||
get_user(ts.tv_nsec, &uts32->tv_nsec) ||
copy_to_user (uts, &ts, sizeof (ts)))
return -EFAULT;
}
return sys_rt_sigtimedwait(uthese, uinfo, uts, sigsetsize);
}