1 files changed, 45 insertions, 0 deletions
diff --git a/src/libstddjb/pipe_internal.c b/src/libstddjb/pipe_internal.c
new file mode 100644
index 0000000..d5354de
--- /dev/null
+++ b/src/libstddjb/pipe_internal.c
@@ -0,0 +1,45 @@
+/* ISC license. */
+
+#include <skalibs/sysdeps.h>
+
+#ifdef SKALIBS_HASPIPE2
+
+#define _NETBSD_SOURCE
+#define _GNU_SOURCE
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <skalibs/djbunix.h>
+
+int pipe_internal (int *p, unsigned int flags)
+{
+  return pipe2(p, ((flags & DJBUNIX_FLAG_COE) ? O_CLOEXEC : 0) | ((flags & DJBUNIX_FLAG_NB) ? O_NONBLOCK : 0)) ;
+}
+
+#else
+
+#include <unistd.h>
+#include <errno.h>
+#include <skalibs/djbunix.h>
+
+int pipe_internal (int *p, unsigned int flags)
+{
+  int pi[2] ;
+  if (pipe(pi) < 0) return -1 ;
+  if (flags & DJBUNIX_FLAG_COE)
+    if ((coe(pi[0]) < 0) || (coe(pi[1]) < 0)) goto err ;
+  if (flags & DJBUNIX_FLAG_NB)
+    if ((ndelay_on(pi[0]) < 0) || (ndelay_on(pi[1]) < 0)) goto err ;
+  p[0] = pi[0] ; p[1] = pi[1] ;
+  return 0 ;
+ err:
+  {
+    register int e = errno ;
+    fd_close(pi[1]) ;
+    fd_close(pi[0]) ;
+    errno = e ;
+  }
+  return -1 ;
+}
+
+#endif