X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=src%2Fcommon%2Fmacros.h;h=3e175735083a9df7d390cdad5cc5fa43a20c4c26;hb=942003e52b8fe43bfb8f28a1884d3bda7e6d1e0b;hp=74f9096c7cf3b83fded3864bc76d0b0d1e0c5fb0;hpb=b66cbf1731486ab4dc7e0b2e1c3fa05cc5360c19;p=lttng-tools.git diff --git a/src/common/macros.h b/src/common/macros.h index 74f9096c7..3e1757350 100644 --- a/src/common/macros.h +++ b/src/common/macros.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2011 David Goulet + * Copyright (C) 2011 EfficiOS Inc. * Copyright (C) 2011 Mathieu Desnoyers * * SPDX-License-Identifier: GPL-2.0-only @@ -74,6 +74,43 @@ void *zmalloc(size_t len) #define member_sizeof(type, field) sizeof(((type *) 0)->field) #define ASSERT_LOCKED(lock) LTTNG_ASSERT(pthread_mutex_trylock(&lock)) +#define ASSERT_RCU_READ_LOCKED(lock) LTTNG_ASSERT(rcu_read_ongoing()) + +/* Attribute suitable to tag functions as having printf()-like arguments. */ +#define ATTR_FORMAT_PRINTF(_string_index, _first_to_check) \ + __attribute__((format(printf, _string_index, _first_to_check))) + +/* Attribute suitable to tag functions as having strftime()-like arguments. */ +#define ATTR_FORMAT_STRFTIME(_string_index) \ + __attribute__((format(strftime, _string_index, 0))) + +/* Macros used to ignore specific compiler diagnostics. */ + +#define DIAGNOSTIC_PUSH _Pragma("GCC diagnostic push") +#define DIAGNOSTIC_POP _Pragma("GCC diagnostic pop") + +#if defined(__clang__) + /* Clang */ +# define DIAGNOSTIC_IGNORE_SUGGEST_ATTRIBUTE_FORMAT +# define DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL \ + _Pragma("GCC diagnostic ignored \"-Wformat-nonliteral\"") +# define DIAGNOSTIC_IGNORE_LOGICAL_OP +#else + /* GCC */ +# define DIAGNOSTIC_IGNORE_SUGGEST_ATTRIBUTE_FORMAT \ + _Pragma("GCC diagnostic ignored \"-Wsuggest-attribute=format\"") +# define DIAGNOSTIC_IGNORE_FORMAT_NONLITERAL \ + _Pragma("GCC diagnostic ignored \"-Wformat-nonliteral\"") +# define DIAGNOSTIC_IGNORE_LOGICAL_OP \ + _Pragma("GCC diagnostic ignored \"-Wlogical-op\"") +#endif + +/* Used to make specific C++ functions to C code. */ +#ifdef __cplusplus +#define C_LINKAGE extern "C" +#else +#define C_LINKAGE +#endif /* * lttng_strncpy returns 0 on success, or nonzero on failure.