[PATCH 2/2] Implement pipe2 system call.

[Thierry Reding]

Signed-off-by: Thierry Reding <thierry.reding at avionic-design.de>
---
 include/unistd.h                 |    3 +++
 libc/sysdeps/linux/common/pipe.c |    3 +++
 2 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/include/unistd.h b/include/unistd.h
index c421cb3..00fbbb5 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -389,6 +389,9 @@ extern ssize_t pwrite64 (int __fd, __const void *__buf, size_t __n,
 extern int pipe (int __pipedes[2]) __THROW __wur;
 libc_hidden_proto(pipe)
 
+extern int pipe2 (int __pipedes[2], int flags) __THROW __wur;
+libc_hidden_proto(pipe2)
+
 /* Schedule an alarm.  In SECONDS seconds, the process will get a SIGALRM.
    If SECONDS is zero, any currently scheduled alarm will be cancelled.
    The function returns the number of seconds remaining until the last
diff --git a/libc/sysdeps/linux/common/pipe.c b/libc/sysdeps/linux/common/pipe.c
index 8eae27c..29d9bfb 100644
--- a/libc/sysdeps/linux/common/pipe.c
+++ b/libc/sysdeps/linux/common/pipe.c
@@ -13,3 +13,6 @@
 
 _syscall1(int, pipe, int *, filedes)
 libc_hidden_def(pipe)
+
+_syscall2(int, pipe2, int *, filedes, int, flags)
+libc_hidden_def(pipe2)
-- 
1.7.5.1