From 3534b428629be185e096be99e3bd5fdfe32d5544 Mon Sep 17 00:00:00 2001
From: Laurent Bercot <ska-skaware@skarnet.org>
Date: Thu, 18 Sep 2014 18:55:44 +0000
Subject: initial commit with rc for skalibs-2.0.0.0

---
 src/libstddjb/iopause_ppoll.c | 44 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 src/libstddjb/iopause_ppoll.c

(limited to 'src/libstddjb/iopause_ppoll.c')

diff --git a/src/libstddjb/iopause_ppoll.c b/src/libstddjb/iopause_ppoll.c
new file mode 100644
index 0000000..b181d0a
--- /dev/null
+++ b/src/libstddjb/iopause_ppoll.c
@@ -0,0 +1,44 @@
+/* ISC license. */
+
+#include <skalibs/sysdeps.h>
+
+#ifdef SKALIBS_HASPPOLL
+
+#define _GNU_SOURCE
+#include <errno.h>
+#include <time.h>
+#include <poll.h>
+#include <skalibs/tai.h>
+#include <skalibs/iopause.h>
+
+int iopause_ppoll (iopause_fd *x, unsigned int len, tain_t const *deadline, tain_t const *stamp)
+{
+  struct timespec ts = { .tv_sec = 0, .tv_nsec = 0 } ;
+  if (deadline && tain_less(stamp, deadline))
+  {
+    tain_t delta ;
+    tain_sub(&delta, deadline, stamp) ;
+    if (!timespec_from_tain_relative(&ts, &delta))
+    {
+      if (errno != ERANGE) return -1 ;
+      else deadline = 0 ;
+    }
+  }
+  return ppoll(x, len, deadline ? &ts : 0, 0) ;
+}
+
+#else
+
+#include <errno.h>
+#include <skalibs/iopause.h>
+
+int iopause_ppoll (iopause_fd *x, unsigned int len, tain_t const *deadline, tain_t const *stamp)
+{
+  (void)x ;
+  (void)len ;
+  (void)deadline ;
+  (void)stamp ;
+  return (errno = ENOSYS, -1) ;
+}
+
+#endif
-- 
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