diff options
| -rw-r--r-- | ev.c | 17 |
1 files changed, 14 insertions, 3 deletions
@@ -861,9 +861,20 @@ ecb_function_ ecb_bool ecb_little_endian (void) { return ecb_byteorder_helper () /* ECB.H END */ #if ECB_MEMORY_FENCE_NEEDS_PTHREADS -# undef ECB_MEMORY_FENCE -# undef ECB_MEMORY_FENCE_ACQUIRE -# undef ECB_MEMORY_FENCE_RELEASE +/* if your architetcure doesn't need memory fences, e.g. because it is + * single-cpu/core, or if you use libev in a project that doesn't use libev + * from multiple threads, then you can define ECB_AVOID_PTHREADS when compiling + * libev, in which casess the memory fences become nops. + * alternatively, you can remove this #error and link against libpthread, + * which will then provide the memory fences. + */ +# error "memory fences not defined for your architecture, please report" +#endif + +#ifndef ECB_MEMORY_FENCE +# define ECB_MEMORY_FENCE do { } while (0) +# define ECB_MEMORY_FENCE_ACQUIRE ECB_MEMORY_FENCE +# define ECB_MEMORY_FENCE_RELEASE ECB_MEMORY_FENCE #endif #define expect_false(cond) ecb_expect_false (cond) |