cosmopolitan/libc/log/log.h
Justine Tunney ead3fc2b31 Fix Landlock Make so it can read pattern rule vars
It turned out that specifying all SRCS and INCS as dependencies on the
pattern rules for all headers, caused `make` memory usage to skyrocket
from 40mb ot 160mb. This change also reduces the build graph another 4%.
2022-08-13 17:23:05 -07:00

237 lines
10 KiB
C

#ifndef COSMOPOLITAN_LIBC_LOG_LOG_H_
#define COSMOPOLITAN_LIBC_LOG_LOG_H_
#include "libc/calls/struct/rusage.h"
#include "libc/calls/struct/sigset.h"
#include "libc/calls/struct/winsize.h"
#include "libc/dce.h"
#include "libc/errno.h"
#include "libc/intrin/likely.h"
#include "libc/nexgen32e/stackframe.h"
#include "libc/runtime/runtime.h"
#include "libc/stdio/stdio.h"
#define kLogFatal 0
#define kLogError 1
#define kLogWarn 2
#define kLogInfo 3
#define kLogVerbose 4
#define kLogDebug 5
#define kLogNoise 6
/**
* Log level for compile-time DCE.
*/
#ifndef LOGGABLELEVEL
#ifndef TINY
#define LOGGABLELEVEL kLogNoise
/* #elif IsTiny() */
/* #define LOGGABLELEVEL kLogInfo */
#else
#define LOGGABLELEVEL kLogVerbose
#endif
#endif
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
extern FILE *__log_file;
void __die(void) relegated wontreturn; /* print backtrace and abort() */
void meminfo(int); /* shows malloc statistics &c. */
void memsummary(int); /* light version of same thing */
uint16_t getttycols(uint16_t);
int getttysize(int, struct winsize *) paramsnonnull();
bool IsTerminalInarticulate(void) nosideeffect;
const char *commandvenv(const char *, const char *);
const char *GetAddr2linePath(void);
const char *GetGdbPath(void);
const char *GetCallerName(const struct StackFrame *);
void ShowCrashReports(void);
void callexitontermination(struct sigset *);
bool32 IsDebuggerPresent(bool);
bool IsRunningUnderMake(void);
const char *GetSiCodeName(int, int);
void AppendResourceReport(char **, struct rusage *, const char *);
char *__get_symbol_by_addr(int64_t);
void PrintGarbage(void);
void PrintGarbageNumeric(FILE *);
void CheckForMemoryLeaks(void);
#define showcrashreports() ShowCrashReports()
#ifndef __STRICT_ANSI__
extern unsigned __log_level; /* log level for runtime check */
#define LOGGABLE(LEVEL) \
((!__builtin_constant_p(LEVEL) || (LEVEL) <= LOGGABLELEVEL) && \
(LEVEL) <= __log_level)
// log a message with the specified log level (not checking if LOGGABLE)
#define LOGF(LEVEL, FMT, ...) \
do { \
if (!IsTiny()) --__ftrace; \
flogf(LEVEL, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
if (!IsTiny()) ++__ftrace; \
} while (0)
// report an error without backtrace and debugger invocation
#define FATALF(FMT, ...) \
do { \
if (!IsTiny()) --__ftrace; \
flogf(kLogError, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
__restorewintty(); \
_Exit(1); \
unreachable; \
} while (0)
#define DIEF(FMT, ...) \
do { \
if (!IsTiny()) --__ftrace; \
ffatalf(kLogFatal, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
unreachable; \
} while (0)
#define ERRORF(FMT, ...) \
do { \
if (LOGGABLE(kLogError)) { \
LOGF(kLogError, FMT, ##__VA_ARGS__); \
} \
} while (0)
#define WARNF(FMT, ...) \
do { \
if (LOGGABLE(kLogWarn)) { \
LOGF(kLogWarn, FMT, ##__VA_ARGS__); \
} \
} while (0)
#define INFOF(FMT, ...) \
do { \
if (LOGGABLE(kLogInfo)) { \
LOGF(kLogInfo, FMT, ##__VA_ARGS__); \
} \
} while (0)
#define VERBOSEF(FMT, ...) \
do { \
if (LOGGABLE(kLogVerbose)) { \
if (!IsTiny()) --__ftrace; \
fverbosef(kLogVerbose, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
if (!IsTiny()) ++__ftrace; \
} \
} while (0)
#define DEBUGF(FMT, ...) \
do { \
if (UNLIKELY(LOGGABLE(kLogDebug))) { \
if (!IsTiny()) --__ftrace; \
fdebugf(kLogDebug, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
if (!IsTiny()) ++__ftrace; \
} \
} while (0)
#define NOISEF(FMT, ...) \
do { \
if (UNLIKELY(LOGGABLE(kLogNoise))) { \
if (!IsTiny()) --__ftrace; \
fnoisef(kLogNoise, __FILE__, __LINE__, NULL, FMT, ##__VA_ARGS__); \
if (!IsTiny()) ++__ftrace; \
} \
} while (0)
#define FLOGF(F, FMT, ...) \
do { \
if (LOGGABLE(kLogInfo)) { \
if (!IsTiny()) --__ftrace; \
flogf(kLogInfo, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
if (!IsTiny()) ++__ftrace; \
} \
} while (0)
#define FWARNF(F, FMT, ...) \
do { \
if (LOGGABLE(kLogWarn)) { \
if (!IsTiny()) --__ftrace; \
flogf(kLogWarn, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
if (!IsTiny()) ++__ftrace; \
} \
} while (0)
#define FFATALF(F, FMT, ...) \
do { \
if (!IsTiny()) --__ftrace; \
flogf(kLogError, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
__restorewintty(); \
_Exit(1); \
unreachable; \
} while (0)
#define FDEBUGF(F, FMT, ...) \
do { \
if (UNLIKELY(LOGGABLE(kLogDebug))) { \
if (!IsTiny()) --__ftrace; \
fdebugf(kLogDebug, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
if (!IsTiny()) ++__ftrace; \
} \
} while (0)
#define FNOISEF(F, FMT, ...) \
do { \
if (UNLIKELY(LOGGABLE(kLogNoise))) { \
if (!IsTiny()) --__ftrace; \
fnoisef(kLogNoise, __FILE__, __LINE__, F, FMT, ##__VA_ARGS__); \
if (!IsTiny()) ++__ftrace; \
} \
} while (0)
#define LOGIFNEG1(FORM) \
({ \
int e = errno; \
autotype(FORM) Ax = (FORM); \
if (UNLIKELY(Ax == (typeof(Ax))(-1)) && LOGGABLE(kLogWarn)) { \
if (!IsTiny()) --__ftrace; \
__logerrno(__FILE__, __LINE__, #FORM); \
if (!IsTiny()) ++__ftrace; \
errno = e; \
} \
Ax; \
})
#define LOGIFNULL(FORM) \
({ \
int e = errno; \
autotype(FORM) Ax = (FORM); \
if (Ax == NULL && LOGGABLE(kLogWarn)) { \
if (!IsTiny()) --__ftrace; \
__logerrno(__FILE__, __LINE__, #FORM); \
if (!IsTiny()) ++__ftrace; \
errno = e; \
} \
Ax; \
})
void __logerrno(const char *, int, const char *) relegated;
#define ARGS unsigned, const char *, int, FILE *, const char *
#define ATTR paramsnonnull((5)) printfesque(5)
#define ATTRV paramsnonnull((5, 6))
void flogf(ARGS, ...) ATTR libcesque;
void vflogf(ARGS, va_list) ATTRV libcesque;
void fverbosef(ARGS, ...) asm("flogf") ATTR relegated libcesque;
void vfverbosef(ARGS, va_list) asm("vflogf") ATTRV relegated libcesque;
void fdebugf(ARGS, ...) asm("flogf") ATTR relegated libcesque;
void vfdebugf(ARGS, va_list) asm("vflogf") ATTRV relegated libcesque;
void fnoisef(ARGS, ...) asm("flogf") ATTR relegated libcesque;
void vfnoisef(ARGS, va_list) asm("vflogf") ATTRV relegated libcesque;
void ffatalf(ARGS, ...) asm("flogf") ATTR relegated wontreturn libcesque;
void vffatalf(ARGS, va_list) asm("vflogf") ATTRV relegated wontreturn libcesque;
#undef ARGS
#undef ATTR
#undef ATTRV
#endif /* __STRICT_ANSI__ */
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_LOG_LOG_H_ */