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Implement tsd.

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Implement tsd, which is a TLS/TSD abstraction that uses one or both
internally.  Modify bootstrapping such that no tsd's are utilized until
allocation is safe.

Remove malloc_[v]tprintf(), and use malloc_snprintf() instead.

Fix %p argument size handling in malloc_vsnprintf().

Fix a long-standing statistics-related bug in the "thread.arena"
mallctl that could cause crashes due to linked list corruption.
This commit is contained in:
Jason Evans
2012-03-21 18:33:03 -07:00
parent 154829d256
commit cd9a1346e9
19 changed files with 705 additions and 363 deletions
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17
include/jemalloc/internal/util.h
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@@ -5,11 +5,17 @@
#define BUFERROR_BUF 64
/*
* Size of static buffer used by malloc_[v]{,c,t}printf(). This must be large
* enough for all possible uses within jemalloc.
* 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__
/*
* Define a custom assert() in order to reduce the chances of deadlock during
* assertion failure.
@@ -77,13 +83,6 @@ 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));
/*
* malloc_[v]tprintf() prints to a thread-local string buffer, so the result is
* overwritten by the next call to malloc_[v]{,c,t}printf().
*/
const char * malloc_vtprintf(const char *format, va_list ap);
const char * malloc_tprintf(const char *format, ...)
JEMALLOC_ATTR(format(printf, 1, 2));
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,