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bci: some more code for testing
[pandora-kernel.git]
/
fs
/
signalfd.c
diff --git
a/fs/signalfd.c
b/fs/signalfd.c
index
6197256
..
9c39bc7
100644
(file)
--- a/
fs/signalfd.c
+++ b/
fs/signalfd.c
@@
-205,11
+205,19
@@
static const struct file_operations signalfd_fops = {
.read = signalfd_read,
};
.read = signalfd_read,
};
-asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemask)
+asmlinkage long sys_signalfd4(int ufd, sigset_t __user *user_mask,
+ size_t sizemask, int flags)
{
sigset_t sigmask;
struct signalfd_ctx *ctx;
{
sigset_t sigmask;
struct signalfd_ctx *ctx;
+ /* 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) ||
copy_from_user(&sigmask, user_mask, sizeof(sigmask)))
return -EINVAL;
if (sizemask != sizeof(sigset_t) ||
copy_from_user(&sigmask, user_mask, sizeof(sigmask)))
return -EINVAL;
@@
-227,7
+235,8
@@
asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemas
* When we call this, the initialization must be complete, since
* anon_inode_getfd() will install the fd.
*/
* When we call this, the initialization must be complete, since
* anon_inode_getfd() will install the fd.
*/
- ufd = anon_inode_getfd("[signalfd]", &signalfd_fops, ctx);
+ ufd = anon_inode_getfd("[signalfd]", &signalfd_fops, ctx,
+ flags & (O_CLOEXEC | O_NONBLOCK));
if (ufd < 0)
kfree(ctx);
} else {
if (ufd < 0)
kfree(ctx);
} else {
@@
-249,3
+258,9
@@
asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask, size_t sizemas
return ufd;
}
return ufd;
}
+
+asmlinkage long sys_signalfd(int ufd, sigset_t __user *user_mask,
+ size_t sizemask)
+{
+ return sys_signalfd4(ufd, user_mask, sizemask, 0);
+}