* if (force_write_to_non_tty) {
* handle = 1;
* } else {
- * handle = isatty(<fd>);
+ * handle = isatty_noinline(<fd>);
* }
* } else {
* handle = 0;
* return result;
*/
-#define _HOOK_PRE(type, name) \
+#define _HOOK_PRE(type, name, fd) \
int handle; \
- if (!(real_ ## name )) { \
+ if (unlikely(!(real_ ## name ))) { \
*(void **) (&(real_ ## name)) = dlsym_function(#name); \
/* Initialize our data while we're at it. */ \
- if (!initialized) { \
+ if (unlikely(!initialized)) { \
init_from_environment(); \
} \
- }
-#define _HOOK_PRE_FD(type, name, fd) \
- type result; \
- _HOOK_PRE_FD_(type, name, fd)
-#define _HOOK_PRE_FD_(type, name, fd) \
- _HOOK_PRE(type, name) \
- if (tracked_fds_find(fd)) { \
- if (force_write_to_non_tty) { \
+ } \
+ /* Check if this fd should be handled. */ \
+ if (unlikely(tracked_fds_find(fd))) { \
+ if (unlikely(force_write_to_non_tty)) { \
handle = 1; \
} else { \
- handle = isatty(fd); \
+ handle = isatty_noinline(fd); \
} \
} else { \
handle = 0; \
- } \
- if (handle) { \
+ }
+#define _HOOK_PRE_FD(type, name, fd) \
+ type result; \
+ _HOOK_PRE_FD_(type, name, fd)
+#define _HOOK_PRE_FD_(type, name, fd) \
+ _HOOK_PRE(type, name, fd) \
+ if (unlikely(handle)) { \
handle_fd_pre(fd); \
}
#define _HOOK_PRE_FILE(type, name, file) \
type result; \
- _HOOK_PRE(type, name) \
- if (tracked_fds_find(fileno(file))) { \
- if (force_write_to_non_tty) { \
- handle = 1; \
- } else { \
- handle = isatty(fileno(file)); \
- } \
- } else { \
- handle = 0; \
- } \
- if (handle) { \
+ _HOOK_PRE(type, name, fileno(file)) \
+ if (unlikely(handle)) { \
handle_file_pre(file); \
}
#define _HOOK_POST_FD_(fd) \
- if (handle) { \
+ if (unlikely(handle)) { \
handle_fd_post(fd); \
}
#define _HOOK_POST_FD(fd) \
_HOOK_POST_FD_(fd) \
return result;
#define _HOOK_POST_FILE(file) \
- if (handle) { \
+ if (unlikely(handle)) { \
handle_file_post(file); \
} \
return result;
+#define HOOK_FUNC_DEF1(type, name, type1, arg1) \
+ static type (*real_ ## name)(type1); \
+ type name(type1 arg1)
+#define HOOK_FUNC_DEF2(type, name, type1, arg1, type2, arg2) \
+ static type (*real_ ## name)(type1, type2); \
+ type name(type1 arg1, type2 arg2)
+#define HOOK_FUNC_DEF3(type, name, type1, arg1, type2, arg2, type3, arg3) \
+ static type (*real_ ## name)(type1, type2, type3); \
+ type name(type1 arg1, type2 arg2, type3 arg3)
+
+#define HOOK_FUNC_VAR_DEF2(type, name, type1, arg1, type2, arg2) \
+ static type (*real_ ## name)(type1, type2, ...); \
+ type name(type1 arg1, type2 arg2, ...)
+
#define HOOK_VOID1(type, name, fd, type1, arg1) \
static type (*real_ ## name)(type1); \
type name(type1 arg1) { \
_HOOK_POST_FD_(fd) \
}
+#define HOOK_FD2(type, name, fd, type1, arg1, type2, arg2) \
+ static type (*real_ ## name)(type1, type2); \
+ type name(type1 arg1, type2 arg2) { \
+ _HOOK_PRE_FD(type, name, fd) \
+ result = real_ ## name(arg1, arg2); \
+ _HOOK_POST_FD(fd) \
+ }
#define HOOK_FD3(type, name, fd, type1, arg1, type2, arg2, type3, arg3) \
static type (*real_ ## name)(type1, type2, type3); \
type name(type1 arg1, type2 arg2, type3 arg3) { \
}
#define HOOK_VAR_FILE1(type, name, file, func, type1, arg1) \
- static type (*real_ ## func)(type1, va_list); \
type name(type1 arg1, ...) { \
va_list ap; \
- _HOOK_PRE_FILE(type, func, file) \
va_start(ap, arg1); \
- result = real_ ## func(arg1, ap); \
+ type result = func(arg1, ap); \
va_end(ap); \
- _HOOK_POST_FILE(file) \
+ return result; \
}
#define HOOK_VAR_FILE2(type, name, file, func, type1, arg1, type2, arg2) \
- static type (*real_ ## func)(type1, type2, va_list); \
type name(type1 arg1, type2 arg2, ...) { \
va_list ap; \
- _HOOK_PRE_FILE(type, func, file) \
va_start(ap, arg2); \
- result = real_ ## func(arg1, arg2, ap); \
+ type result = func(arg1, arg2, ap); \
va_end(ap); \
- _HOOK_POST_FILE(file) \
+ return result; \
}
#define HOOK_VAR_FILE3(type, name, file, func, type1, arg1, type2, arg2, type3, arg3) \
- static type (*real_ ## func)(type1, type2, type3, va_list); \
- type name(type1 arg1, type2 arg2, type3 arg3, ...) \
- { \
+ type name(type1 arg1, type2 arg2, type3 arg3, ...) { \
va_list ap; \
- _HOOK_PRE_FILE(type, func, file) \
va_start(ap, arg3); \
- result = real_ ## func(arg1, arg2, arg3, ap); \
+ type result = func(arg1, arg2, arg3, ap); \
va_end(ap); \
- _HOOK_POST_FILE(file) \
+ return result; \
}
#endif