| Brad Bishop | 393846f | 2019-05-20 12:24:11 -0400 | [diff] [blame] | 1 | From 19cbebc3fa33c6a1a71a6036da4d67c98f859f06 Mon Sep 17 00:00:00 2001 |
| 2 | From: Adrian Bunk <bunk@stusta.de> |
| 3 | Date: Wed, 15 May 2019 16:08:33 +0300 |
| 4 | Subject: unistd.h: Add TEMP_FAILURE_RETRY |
| 5 | |
| 6 | Signed-off-by: Adrian Bunk <bunk@stusta.de> |
| 7 | Upstream-Status: Inappropriate [oe-specific] |
| 8 | --- |
| 9 | include/unistd.h | 11 +++++++++++ |
| 10 | 1 file changed, 11 insertions(+) |
| 11 | |
| 12 | diff --git a/include/unistd.h b/include/unistd.h |
| 13 | index 9485da7a..8a75af57 100644 |
| 14 | --- a/include/unistd.h |
| 15 | +++ b/include/unistd.h |
| 16 | @@ -460,6 +460,17 @@ int eaccess(const char *, int); |
| 17 | #define _CS_V6_ENV 1148 |
| 18 | #define _CS_V7_ENV 1149 |
| 19 | |
| 20 | +#ifdef _GNU_SOURCE |
| 21 | +#ifndef TEMP_FAILURE_RETRY |
| 22 | +# define TEMP_FAILURE_RETRY(expression) \ |
| 23 | + (__extension__ \ |
| 24 | + ({ long int __result; \ |
| 25 | + do __result = (long int) (expression); \ |
| 26 | + while (__result == -1L && errno == EINTR); \ |
| 27 | + __result; })) |
| 28 | +#endif |
| 29 | +#endif |
| 30 | + |
| 31 | #ifdef __cplusplus |
| 32 | } |
| 33 | #endif |
| 34 | -- |
| 35 | 2.20.1 |
| 36 | |