Use XSI-compliant strerror_r by default on non-Linux

[lttng-ust.git] / include / usterr-signal-safe.h

diff --git a/include/usterr-signal-safe.h b/include/usterr-signal-safe.h
index d46b0f6a7af8929fbd9296dfc3bf29d37bdf179d..8e2c1cd2413ed748dd781f5d797e56bb52942d13 100644 (file)
--- a/include/usterr-signal-safe.h
+++ b/include/usterr-signal-safe.h
@@ -115,7 +115,10 @@ do {                                                                       \
 #define ERR(fmt, args...) ERRMSG("Error: " fmt, ## args)
 #define BUG(fmt, args...) ERRMSG("BUG: " fmt, ## args)
 
-#if (_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !defined(_GNU_SOURCE)
+#if !defined(__linux__) || ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !defined(_GNU_SOURCE))
+/*
+ * Version using XSI strerror_r.
+ */
 #define PERROR(call, args...)\
        do { \
                char buf[200] = "Error in strerror_r()"; \
@@ -123,6 +126,9 @@ do {                                                                        \
                ERRMSG("Error: " call ": %s", ## args, buf); \
        } while(0);
 #else
+/*
+ * Version using GNU strerror_r, for linux with appropriate defines.
+ */
 #define PERROR(call, args...)\
        do { \
                char *buf; \