---

yaml --- r: 105415 b: refs/heads/master c: b087498 h: refs/heads/master i: 105413: 73b0982 105411: 6712df8 105407: e11b404 v: v3
git-mirror · Jul 24, 2008 · 7b35926 · 7b35926
1 parent 5cefd1b
commit 7b35926
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Showing 9 changed files with 25 additions and 3 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9deb27baedb79759c3ab9435a7d8b841842d56e9
+refs/heads/master: b087498eb5605673b0f260a7620d91818cd72304
diff --git a/trunk/arch/x86/ia32/ia32entry.S b/trunk/arch/x86/ia32/ia32entry.S
@@ -827,4 +827,5 @@ ia32_sys_call_table:
 	.quad compat_sys_timerfd_settime	/* 325 */
 	.quad compat_sys_timerfd_gettime
 	.quad compat_sys_signalfd4
+	.quad sys_eventfd2
 ia32_syscall_end:
diff --git a/trunk/arch/x86/kernel/syscall_table_32.S b/trunk/arch/x86/kernel/syscall_table_32.S
@@ -327,3 +327,4 @@ ENTRY(sys_call_table)
 	.long sys_timerfd_settime	/* 325 */
 	.long sys_timerfd_gettime
 	.long sys_signalfd4
+	.long sys_eventfd2
diff --git a/trunk/fs/eventfd.c b/trunk/fs/eventfd.c
@@ -198,11 +198,14 @@ 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;
 
+	if (flags & ~EFD_CLOEXEC)
+		return -EINVAL;
+
 	ctx = kmalloc(sizeof(*ctx), GFP_KERNEL);
 	if (!ctx)
 		return -ENOMEM;
@@ -214,9 +217,15 @@ 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, 0);
+	fd = anon_inode_getfd("[eventfd]", &eventfd_fops, ctx,
+			      flags & O_CLOEXEC);
 	if (fd < 0)
 		kfree(ctx);
 	return fd;
 }
 
+asmlinkage long sys_eventfd(unsigned int count)
+{
+	return sys_eventfd2(count, 0);
+}
+
diff --git a/trunk/include/asm-x86/unistd_32.h b/trunk/include/asm-x86/unistd_32.h
@@ -333,6 +333,7 @@
 #define __NR_timerfd_settime	325
 #define __NR_timerfd_gettime	326
 #define __NR_signalfd4		327
+#define __NR_eventfd2		328
 
 #ifdef __KERNEL__
 

diff --git a/trunk/include/asm-x86/unistd_64.h b/trunk/include/asm-x86/unistd_64.h
@@ -643,6 +643,8 @@ __SYSCALL(__NR_timerfd_gettime, sys_timerfd_gettime)
 __SYSCALL(__NR_paccept, sys_paccept)
 #define __NR_signalfd4				289
 __SYSCALL(__NR_signalfd4, sys_signalfd4)
+#define __NR_eventfd2				290
+__SYSCALL(__NR_eventfd2, sys_eventfd2)
 
 
 #ifndef __NO_STUBS

diff --git a/trunk/include/linux/eventfd.h b/trunk/include/linux/eventfd.h
@@ -10,6 +10,12 @@
 
 #ifdef CONFIG_EVENTFD
 
+/* For O_CLOEXEC */
+#include <linux/fcntl.h>
+
+/* Flags for eventfd2.  */
+#define EFD_CLOEXEC O_CLOEXEC
+
 struct file *eventfd_fget(int fd);
 int eventfd_signal(struct file *file, int n);
 

diff --git a/trunk/include/linux/syscalls.h b/trunk/include/linux/syscalls.h
@@ -617,6 +617,7 @@ asmlinkage long sys_timerfd_settime(int ufd, int flags,
 				    struct itimerspec __user *otmr);
 asmlinkage long sys_timerfd_gettime(int ufd, struct itimerspec __user *otmr);
 asmlinkage long sys_eventfd(unsigned int count);
+asmlinkage long sys_eventfd2(unsigned int count, int flags);
 asmlinkage long sys_fallocate(int fd, int mode, loff_t offset, loff_t len);
 
 int kernel_execve(const char *filename, char *const argv[], char *const envp[]);

diff --git a/trunk/kernel/sys_ni.c b/trunk/kernel/sys_ni.c
@@ -164,3 +164,4 @@ cond_syscall(sys_timerfd_gettime);
 cond_syscall(compat_sys_timerfd_settime);
 cond_syscall(compat_sys_timerfd_gettime);
 cond_syscall(sys_eventfd);
+cond_syscall(sys_eventfd2);