X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Flib.h;h=554d9ecbd5d7b1561a12408b39058f8886faf529;hb=e7fcd506163c155afa5313fb28ee7e931018117f;hp=5ab134f0ccbe2d0f3b9756f18942bef6c5413983;hpb=998c357a4f0c645fd73f69c9f18c5f78c0cfe9ca;p=libucw.git diff --git a/lib/lib.h b/lib/lib.h index 5ab134f0..554d9ecb 100644 --- a/lib/lib.h +++ b/lib/lib.h @@ -1,7 +1,7 @@ /* * The UCW Library -- Miscellaneous Functions * - * (c) 1997--2006 Martin Mares + * (c) 1997--2007 Martin Mares * (c) 2005 Tomas Valla * (c) 2006 Robert Spalek * @@ -15,21 +15,15 @@ #include "lib/config.h" #include -/* Tell libc we're going to use all extensions available */ - -#ifndef _GNU_SOURCE -#define _GNU_SOURCE -#endif - /* Macros for handling structurues, offsets and alignment */ #define CHECK_PTR_TYPE(x, type) ((x)-(type)(x) + (type)(x)) #define PTR_TO(s, i) &((s*)0)->i #define OFFSETOF(s, i) ((unsigned int) PTR_TO(s, i)) #define SKIP_BACK(s, i, p) ((s *)((char *)p - OFFSETOF(s, i))) -#define ALIGN(s, a) (((s)+a-1)&~(a-1)) -#define ALIGN_PTR(p, s) ((addr_int_t)(p) % (s) ? (typeof(p))((addr_int_t)(p) + (s) - (addr_int_t)(p) % (s)) : (p)) -#define UNALIGNED_PART(ptr, type) (((addr_int_t) (ptr)) % sizeof(type)) +#define ALIGN_TO(s, a) (((s)+a-1)&~(a-1)) +#define ALIGN_PTR(p, s) ((uintptr_t)(p) % (s) ? (typeof(p))((uintptr_t)(p) + (s) - (uintptr_t)(p) % (s)) : (p)) +#define UNALIGNED_PART(ptr, type) (((uintptr_t) (ptr)) % sizeof(type)) /* Some other macros */ @@ -65,6 +59,13 @@ #define likely(x) __builtin_expect((x),1) #define unlikely(x) __builtin_expect((x),0) +#if __GNUC__ >= 4 || __GNUC__ == 3 && __GNUC_MINOR__ >= 3 +#define ALWAYS_INLINE inline __attribute__((always_inline)) +#define NO_INLINE __attribute__((noinline)) +#else +#define ALWAYS_INLINE inline +#endif + #if __GNUC__ >= 4 #define LIKE_MALLOC __attribute__((malloc)) #define SENTINEL_CHECK __attribute__((sentinel)) @@ -252,16 +253,19 @@ void sync_dir(byte *name); /* sighandler.c */ -typedef int (*sh_sighandler_t)(int); - /* obtains signum, returns nonzero if abort() should be called */ -extern sh_sighandler_t signal_handler[]; +typedef int (*sh_sighandler_t)(int); // gets signum, returns nonzero if abort() should be called -struct sigaction; -void handle_signal(int signum, struct sigaction *oldact); -void unhandle_signal(int signum, struct sigaction *oldact); +void handle_signal(int signum); +void unhandle_signal(int signum); +sh_sighandler_t set_signal_handler(int signum, sh_sighandler_t new); /* string.c */ byte *str_unesc(byte *dest, byte *src); +/* bigalloc.c */ + +void *big_alloc(u64 len); +void big_free(void *start, u64 len); + #endif