Tests: gen-syscall-events: generate 2 events of each type for filtering

[lttng-tools.git] / tests / utils / utils.h

diff --git a/tests/utils/utils.h b/tests/utils/utils.h
index 1385c0dec8e08c129a49b5e6114e5a21c88b3203..48f937b1b71a9924b33d8201828421fc3a9b122d 100644 (file)
--- a/tests/utils/utils.h
+++ b/tests/utils/utils.h
@@ -8,6 +8,30 @@
 #ifndef TEST_UTILS_H
 #define TEST_UTILS_H
 
+#if !defined(__GLIBC__) || ((_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600) && !defined(_GNU_SOURCE))
+
+/*
+ * Version using XSI strerror_r.
+ */
+#define PERROR_NO_LOGGER(msg, args...)                      \
+       do {                                                \
+               char buf[200];                              \
+               strerror_r(errno, buf, sizeof(buf));        \
+               fprintf(stderr, msg ": %s\n", ##args, buf); \
+       } while (0);
+#else
+/*
+ * Version using GNU strerror_r, for linux with appropriate defines.
+ */
+#define PERROR_NO_LOGGER(msg, args...)                      \
+       do {                                                \
+               char *buf;                                  \
+               char tmp[200];                              \
+               buf = strerror_r(errno, tmp, sizeof(tmp));  \
+               fprintf(stderr, msg ": %s\n", ##args, buf); \
+       } while (0);
+#endif
+
 int usleep_safe(useconds_t usec);
 int create_file(const char *path);
 int wait_on_file(const char *path);