| /******************************************************************************/ |
| #ifdef JEMALLOC_H_TYPES |
| |
| /* Size of stack-allocated buffer passed to buferror(). */ |
| #define BUFERROR_BUF 64 |
| |
| /* |
| * Size of stack-allocated buffer used by malloc_{,v,vc}printf(). This must be |
| * large enough for all possible uses within jemalloc. |
| */ |
| #define MALLOC_PRINTF_BUFSIZE 4096 |
| |
| /* |
| * Wrap a cpp argument that contains commas such that it isn't broken up into |
| * multiple arguments. |
| */ |
| #define JEMALLOC_CONCAT(...) __VA_ARGS__ |
| |
| /* |
| * Silence compiler warnings due to uninitialized values. This is used |
| * wherever the compiler fails to recognize that the variable is never used |
| * uninitialized. |
| */ |
| #ifdef JEMALLOC_CC_SILENCE |
| # define JEMALLOC_CC_SILENCE_INIT(v) = v |
| #else |
| # define JEMALLOC_CC_SILENCE_INIT(v) |
| #endif |
| |
| /* |
| * Define a custom assert() in order to reduce the chances of deadlock during |
| * assertion failure. |
| */ |
| #ifndef assert |
| #define assert(e) do { \ |
| if (config_debug && !(e)) { \ |
| malloc_printf( \ |
| "<jemalloc>: %s:%d: Failed assertion: \"%s\"\n", \ |
| __FILE__, __LINE__, #e); \ |
| abort(); \ |
| } \ |
| } while (0) |
| #endif |
| |
| /* Use to assert a particular configuration, e.g., cassert(config_debug). */ |
| #define cassert(c) do { \ |
| if ((c) == false) \ |
| assert(false); \ |
| } while (0) |
| |
| #ifndef not_reached |
| #define not_reached() do { \ |
| if (config_debug) { \ |
| malloc_printf( \ |
| "<jemalloc>: %s:%d: Unreachable code reached\n", \ |
| __FILE__, __LINE__); \ |
| abort(); \ |
| } \ |
| } while (0) |
| #endif |
| |
| #ifndef not_implemented |
| #define not_implemented() do { \ |
| if (config_debug) { \ |
| malloc_printf("<jemalloc>: %s:%d: Not implemented\n", \ |
| __FILE__, __LINE__); \ |
| abort(); \ |
| } \ |
| } while (0) |
| #endif |
| |
| #define assert_not_implemented(e) do { \ |
| if (config_debug && !(e)) \ |
| not_implemented(); \ |
| } while (0) |
| |
| #endif /* JEMALLOC_H_TYPES */ |
| /******************************************************************************/ |
| #ifdef JEMALLOC_H_STRUCTS |
| |
| #endif /* JEMALLOC_H_STRUCTS */ |
| /******************************************************************************/ |
| #ifdef JEMALLOC_H_EXTERNS |
| |
| extern void (*je_malloc_message)(void *wcbopaque, const char *s); |
| |
| int buferror(int errnum, char *buf, size_t buflen); |
| uintmax_t malloc_strtoumax(const char *nptr, char **endptr, int base); |
| |
| /* |
| * malloc_vsnprintf() supports a subset of snprintf(3) that avoids floating |
| * point math. |
| */ |
| int malloc_vsnprintf(char *str, size_t size, const char *format, |
| va_list ap); |
| int malloc_snprintf(char *str, size_t size, const char *format, ...) |
| JEMALLOC_ATTR(format(printf, 3, 4)); |
| void malloc_vcprintf(void (*write_cb)(void *, const char *), void *cbopaque, |
| const char *format, va_list ap); |
| void malloc_cprintf(void (*write)(void *, const char *), void *cbopaque, |
| const char *format, ...) JEMALLOC_ATTR(format(printf, 3, 4)); |
| void malloc_printf(const char *format, ...) |
| JEMALLOC_ATTR(format(printf, 1, 2)); |
| |
| #endif /* JEMALLOC_H_EXTERNS */ |
| /******************************************************************************/ |
| #ifdef JEMALLOC_H_INLINES |
| |
| #ifndef JEMALLOC_ENABLE_INLINE |
| size_t pow2_ceil(size_t x); |
| void malloc_write(const char *s); |
| #endif |
| |
| #if (defined(JEMALLOC_ENABLE_INLINE) || defined(JEMALLOC_UTIL_C_)) |
| /* Compute the smallest power of 2 that is >= x. */ |
| JEMALLOC_INLINE size_t |
| pow2_ceil(size_t x) |
| { |
| |
| x--; |
| x |= x >> 1; |
| x |= x >> 2; |
| x |= x >> 4; |
| x |= x >> 8; |
| x |= x >> 16; |
| #if (LG_SIZEOF_PTR == 3) |
| x |= x >> 32; |
| #endif |
| x++; |
| return (x); |
| } |
| |
| /* |
| * Wrapper around malloc_message() that avoids the need for |
| * je_malloc_message(...) throughout the code. |
| */ |
| JEMALLOC_INLINE void |
| malloc_write(const char *s) |
| { |
| |
| je_malloc_message(NULL, s); |
| } |
| #endif |
| |
| #endif /* JEMALLOC_H_INLINES */ |
| /******************************************************************************/ |