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Merge "Fix TEMP_FAILURE_RETRY on non-GNU C++ dialects" am: addba34668

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Original change: https://android-review.googlesource.com/c/platform/system/core/+/2025446

Change-Id: I6a84e6300416c664f0b83dba77a5d7358873dbfe
This commit is contained in:
Treehugger Robot 2022-03-17 04:55:14 +00:00 committed by Automerger Merge Worker
commit aae9c4ec53
1 changed files with 9 additions and 11 deletions
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20
libutils/include/utils/Compat.h
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@ -71,19 +71,17 @@ static inline int ftruncate64(int fd, off64_t length) {
#define CONSTEXPR
#endif
/*
* TEMP_FAILURE_RETRY is defined by some, but not all, versions of
* <unistd.h>. (Alas, it is not as standard as we'd hoped!) So, if it's
* not already defined, then define it here.
*/
/* TEMP_FAILURE_RETRY is not available on macOS, but still useful there. */
#ifndef TEMP_FAILURE_RETRY
/* Used to retry syscalls that can return EINTR. */
#define TEMP_FAILURE_RETRY(exp) ({ \
typeof (exp) _rc; \
do { \
_rc = (exp); \
} while (_rc == -1 && errno == EINTR); \
_rc; })
#define TEMP_FAILURE_RETRY(exp) \
({ \
__typeof__(exp) _rc; \
do { \
_rc = (exp); \
} while (_rc == -1 && errno == EINTR); \
_rc; \
})
#endif
#if defined(_WIN32)