diff options
Diffstat (limited to 'lib/libc/include/libc.h')
| -rw-r--r-- | lib/libc/include/libc.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/lib/libc/include/libc.h b/lib/libc/include/libc.h index 6f233d35..87d4e88f 100644 --- a/lib/libc/include/libc.h +++ b/lib/libc/include/libc.h @@ -1,24 +1,25 @@ #ifndef __LIBC_LIBC_H #define __LIBC_LIBC_H +#include <stddef.h> #include <stdatomic.h> -#define likely(x) __builtin_expect(!!(x), 1) -#define unlikely(x) __builtin_expect(!!(x), 0) -#define __unused __attribute__((unused)) -#define aligned(type) __attribute__((aligned(__alignof__(type)))) -#define weak_reference(old, new) \ - extern __typeof(old)((new)) __attribute__((__weak__, __alias__(#old))) +#define weak_reference(old, new) extern __typeof(old)((new)) __attribute__((__weak__, __alias__(#old))) + +struct libc { + size_t auxv[32]; -static struct libc { enum { LIBC_ENVP_TOUCHED = 1 << 0, } flags; + struct { volatile atomic_flag abort; volatile atomic_flag malloc; volatile atomic_flag environ; } lock; -} libc = { .lock = { ATOMIC_FLAG_INIT, ATOMIC_FLAG_INIT, ATOMIC_FLAG_INIT } }; +}; + +extern struct libc __libc; #endif |