From d1abb6a2b8b57fa14ae0f69d4a3cb07ff9cdb8d1 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Wed, 16 Feb 2005 21:25:03 +0000 Subject: 32-bit compatibility for various timer-related system calls. Signed-off-by: Ralf Baechle --- arch/mips/kernel/linux32.c | 50 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) (limited to 'arch/mips/kernel/linux32.c') diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c index 120dd897162e..e8e886dd52d6 100644 --- a/arch/mips/kernel/linux32.c +++ b/arch/mips/kernel/linux32.c @@ -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); +} -- cgit v1.2.3