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From 4f8c68757b05d12392cd1a8aed174cb8e56f80e3 Mon Sep 17 00:00:00 2001
From: "Maxin B. John" <maxin.john@intel.com>
Date: Thu, 5 Apr 2018 17:19:44 +0300
Subject: [PATCH] ell: fix build with musl libc
musl libc doesn't implement TEMP_FAILURE_RETRY. Use the
TEMP_FAILURE_RETRY from glibc to fix build.
Upstream-Status: Submitted [https://lists.01.org/pipermail/ell/2018-April/001209.html]
Signed-off-by: Maxin B. John <maxin.john@intel.com>
---
ell/dbus.h | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/ell/dbus.h b/ell/dbus.h
index a7c08d2..3ff5e0f 100644
--- a/ell/dbus.h
+++ b/ell/dbus.h
@@ -28,6 +28,16 @@
#include <stddef.h>
#include <stdarg.h>
+/* taken from glibc unistd.h for musl support */
+#ifndef TEMP_FAILURE_RETRY
+#define TEMP_FAILURE_RETRY(expression) \
+ (__extension__ \
+ ({ long int __result; \
+ do __result = (long int) (expression); \
+ while (__result == -1L && errno == EINTR); \
+ __result; }))
+#endif
+
#ifdef __cplusplus
extern "C" {
#endif
--
2.4.0
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