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am 51ccef2: Merge "Add TEMP_FAILURE_RETRY macro for darwin"

* commit '51ccef27cab58277775e62518a59666d2a059b62':
  Add TEMP_FAILURE_RETRY macro for darwin
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commit 1dcaf9d054bf92a17d82160865bba5c6f7d15adb 2 parents 1dc92ba + 51ccef2
@kruton kruton authored Android Git Automerger committed
Showing with 15 additions and 0 deletions.
  1. +15 −0 adb/sysdeps.h
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15 adb/sysdeps.h
@@ -277,6 +277,21 @@ extern char* adb_strtok_r(char *str, const char *delim, char **saveptr);
#include <string.h>
#include <unistd.h>
+/*
+ * 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.
+ */
+#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; })
+#endif
+
#define OS_PATH_SEPARATOR '/'
#define OS_PATH_SEPARATOR_STR "/"
#define ENV_PATH_SEPARATOR_STR ":"
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