.read = signalfd_read,
};
-asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask,
- size_t sizemask, int flags)
+SYSCALL_DEFINE4(signalfd4, int, ufd, sigset_t __user *, user_mask,
+ size_t, sizemask, int, flags)
{
sigset_t sigmask;
struct signalfd_ctx *ctx;
- if (flags & ~SFD_CLOEXEC)
+ /* Check the SFD_* constants for consistency. */
+ BUILD_BUG_ON(SFD_CLOEXEC != O_CLOEXEC);
+ BUILD_BUG_ON(SFD_NONBLOCK != O_NONBLOCK);
+
+ if (flags & ~(SFD_CLOEXEC | SFD_NONBLOCK))
return -EINVAL;
if (sizemask != sizeof(sigset_t) ||
* anon_inode_getfd() will install the fd.
*/
ufd = anon_inode_getfd("[signalfd]", &signalfd_fops, ctx,
- flags & O_CLOEXEC);
+ flags & (O_CLOEXEC | O_NONBLOCK));
if (ufd < 0)
kfree(ctx);
} else {
return ufd;
}
-asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask,
- size_t sizemask)
+SYSCALL_DEFINE3(signalfd, int, ufd, sigset_t __user *, user_mask,
+ size_t, sizemask)
{
return sys_signalfd4(ufd, user_mask, sizemask, 0);
}