os/log.h Kernel.framework

macroOS_LOG_NOTAILCALL

#define OS_LOG_NOTAILCALL __attribute__((not_tail_called))

macroOS_LOG_NOTAILCALL_MARKER

#define OS_LOG_NOTAILCALL_MARKER 

variable__dso_handle

extern void *__dso_handle

macroOS_LOG_BUFFER_MAX_SIZE

#define OS_LOG_BUFFER_MAX_SIZE 256

macroOS_LOG_DATA_MAX_SIZE

#define OS_LOG_DATA_MAX_SIZE (OS_LOG_BUFFER_MAX_SIZE - 16)

function_os_log_verify_format_str

__osloglike(1, 2)
OS_ALWAYS_INLINE static inline void _os_log_verify_format_str(
	__unused const char *msg,
	...
)

function_os_log_verify_format_str

OS_ALWAYS_INLINE static inline void _os_log_verify_format_str(
	/* placeholder */
	__unused const char *msg,
	...
)

typedefos_log_t

typedef struct os_log_s *os_log_t

macroOS_LOG_DISABLED

#define OS_LOG_DISABLED NULL

variable_os_log_default

OS_EXPORT struct os_log_s _os_log_default

functionos_log_create

OS_EXPORT OS_NOTHROW OS_WARN_RESULT OS_OBJECT_RETURNS_RETAINED os_log_t os_log_create(
	const char *subsystem,
	const char *category
)

functionos_log_info_enabled

OS_EXPORT OS_NOTHROW OS_WARN_RESULT bool os_log_info_enabled(os_log_t log)

functionos_log_debug_enabled

OS_EXPORT OS_NOTHROW OS_WARN_RESULT bool os_log_debug_enabled(os_log_t log)

macroos_log_debug

#define os_log_debug(log, format, ...) os_log_with_type(log, OS_LOG_TYPE_DEBUG, format, ##__VA_ARGS__)

macroos_log_error

#define os_log_error(log, format, ...) os_log_with_type(log, OS_LOG_TYPE_ERROR, format, ##__VA_ARGS__)

macroos_log_fault

#define os_log_fault(log, format, ...) os_log_with_type(log, OS_LOG_TYPE_FAULT, format, ##__VA_ARGS__)

macroos_log_with_type

#define os_log_with_type(log, type, format, ...) __extension__({
    _Static_assert(__builtin_constant_p(format), "format string must be constant");
    __attribute__((section("__TEXT,__os_log"))) static const char _os_log_fmt[] = format;
    if (0) {
	_os_log_verify_format_str(format, ##__VA_ARGS__);
    } else {
	_os_log_internal(&__dso_handle, log, type, _os_log_fmt, ##__VA_ARGS__);
    }
    __asm__(""); /* avoid tailcall */
})

macroos_log_at_time

#define os_log_at_time(log, type, ts, format, ...) __extension__({
    _Static_assert(__builtin_constant_p(format), "format string must be constant");
    __attribute__((section("__TEXT,__os_log"))) static const char _os_log_fmt[] = format;
    if (0) {
	_os_log_verify_format_str(format, ##__VA_ARGS__);
    } else {
	_os_log_at_time(&__dso_handle, log, type, ts, _os_log_fmt, ##__VA_ARGS__);
    }
    __asm__(""); /* avoid tailcall */
})

macroos_log_driverKit

#define os_log_driverKit(out, log, type, format, ...) __extension__({
    _Static_assert(__builtin_constant_p(format), "format string must be constant");
    __attribute__((section("__TEXT,__os_log"))) static const char _os_log_fmt[] = format;
    if (0) {
	_os_log_verify_format_str(format, ##__VA_ARGS__);
    } else {
	(*(out)) = _os_log_internal_driverKit(&__dso_handle, log, type, _os_log_fmt, ##__VA_ARGS__);
    }
    __asm__(""); /* avoid tailcall */
})

functionos_log_coprocessor

bool os_log_coprocessor(
	void *buff,
	uint64_t buff_len,
	os_log_type_t type,
	const char *uuid,
	uint64_t timestamp,
	uint32_t offset,
	bool stream_log
)

functionos_log_coprocessor_register

void os_log_coprocessor_register(const char *uuid, const char *file_path, bool copy)

enumos_log_coproc_reg_t

typedefos_log_coproc_reg_t

typedef enum os_log_coproc_reg_t os_log_coproc_reg_t;

functionos_log_coprocessor_register_with_type

void os_log_coprocessor_register_with_type(
	const char *uuid,
	const char *file_path,
	os_log_coproc_reg_t register_type
)

function_os_log_internal

__osloglike(4, 5)
OS_EXPORT OS_NOTHROW void _os_log_internal(
	void *dso,
	os_log_t log,
	os_log_type_t type,
	const char *message,
	...
)

function_os_log_internal_driverKit

__osloglike(4, 5)
OS_EXPORT OS_NOTHROW int _os_log_internal_driverKit(
	void *dso,
	os_log_t log,
	os_log_type_t type,
	const char *message,
	...
)

function_os_log_at_time

__osloglike(5, 6)
OS_EXPORT OS_NOTHROW void _os_log_at_time(
	void *dso,
	os_log_t log,
	os_log_type_t type,
	uint64_t ts,
	const char *message,
	...
)