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authorRalf Baechle <ralf@linux-mips.org>2005-02-16 21:25:03 +0000
committerRalf Baechle <ralf@linux-mips.org>2005-10-29 19:30:37 +0100
commitd1abb6a2b8b57fa14ae0f69d4a3cb07ff9cdb8d1 (patch)
tree9bb086547b131b55dfaef22a7592f9d66a5db150 /arch/mips/kernel/linux32.c
parenta982099ca5465dd848d8ae28a83a3e49ac7b612b (diff)
downloadlinux-d1abb6a2b8b57fa14ae0f69d4a3cb07ff9cdb8d1.tar.bz2
32-bit compatibility for various timer-related system calls.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/kernel/linux32.c')
-rw-r--r--arch/mips/kernel/linux32.c50
1 files changed, 50 insertions, 0 deletions
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);
+}