Fix porting bug to older POSIXish platforms.

* sysdep.c (emacs_pipe): New function, that implements
pipe2 (fd, O_CLOEXEC) even on hosts that lack O_CLOEXEC.
This should port better to CentOS 5 and to Mac OS X 10.6.
All calls to pipe2 changed.

Fixes: debbugs:14862

1 files changed, 1 insertions, 0 deletions

diff --git a/src/lisp.h b/src/lisp.h
index a54b2e07057..6a551bb499d 100644
--- a/src/lisp.h
+++ b/src/lisp.h
@@ -4094,6 +4094,7 @@ extern void init_random (void);
 extern void emacs_backtrace (int);
 extern _Noreturn void emacs_abort (void) NO_INLINE;
 extern int emacs_open (const char *, int, int);
+extern int emacs_pipe (int[2]);
 extern int emacs_close (int);
 extern ptrdiff_t emacs_read (int, char *, ptrdiff_t);
 extern ptrdiff_t emacs_write (int, const char *, ptrdiff_t);