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authorIngo Molnar <mingo@elte.hu>2008-07-25 13:08:16 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-25 13:08:16 +0200
commit10a010f6953b5a14ba2f0be40a4fce1bea220875 (patch)
tree19aadf718c796bc7fae0a1a1c970d84d67c541d4 /fs/eventfd.c
parent510b37258dfd61693ca6c039865c78bd996e3718 (diff)
parentfb2e405fc1fc8b20d9c78eaa1c7fd5a297efde43 (diff)
Merge branch 'linus' into x86/x2apic
Conflicts: drivers/pci/dmar.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'fs/eventfd.c')
-rw-r--r--fs/eventfd.c17
1 files changed, 15 insertions, 2 deletions
diff --git a/fs/eventfd.c b/fs/eventfd.c
index 343942deeec..08bf558d040 100644
--- a/fs/eventfd.c
+++ b/fs/eventfd.c
@@ -198,11 +198,18 @@ struct file *eventfd_fget(int fd)
return file;
}
-asmlinkage long sys_eventfd(unsigned int count)
+asmlinkage long sys_eventfd2(unsigned int count, int flags)
{
int fd;
struct eventfd_ctx *ctx;
+ /* Check the EFD_* constants for consistency. */
+ BUILD_BUG_ON(EFD_CLOEXEC != O_CLOEXEC);
+ BUILD_BUG_ON(EFD_NONBLOCK != O_NONBLOCK);
+
+ if (flags & ~(EFD_CLOEXEC | EFD_NONBLOCK))
+ return -EINVAL;
+
ctx = kmalloc(sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
@@ -214,9 +221,15 @@ asmlinkage long sys_eventfd(unsigned int count)
* When we call this, the initialization must be complete, since
* anon_inode_getfd() will install the fd.
*/
- fd = anon_inode_getfd("[eventfd]", &eventfd_fops, ctx);
+ fd = anon_inode_getfd("[eventfd]", &eventfd_fops, ctx,
+ flags & (O_CLOEXEC | O_NONBLOCK));
if (fd < 0)
kfree(ctx);
return fd;
}
+asmlinkage long sys_eventfd(unsigned int count)
+{
+ return sys_eventfd2(count, 0);
+}
+