Bug 850332 - Use jemalloc inside mozglue. r=kats,r=mwu

This commit is contained in:
Mike Hommey 2013-03-17 08:03:05 +01:00
parent d7340ad47c
commit 654c6a346b
3 changed files with 115 additions and 44 deletions

View File

@ -5,12 +5,6 @@
#include <jni.h>
#ifdef MOZ_MEMORY
// Wrap malloc and free to use jemalloc
#define malloc __wrap_malloc
#define free __wrap_free
#endif
#include <stdlib.h>
#include <fcntl.h>
#include "APKOpen.h"

View File

@ -9,6 +9,7 @@
#include <time.h>
#include <unistd.h>
#include <android/log.h>
#include <mozilla/Util.h>
#include <vector>
@ -20,7 +21,44 @@ struct AtForkFuncs {
void (*parent)(void);
void (*child)(void);
};
static std::vector<AtForkFuncs> atfork;
/* jemalloc's initialization calls pthread_atfork. When pthread_atfork (see
* further below) stores the corresponding data, it's going to allocate memory,
* which will loop back to jemalloc's initialization, leading to a dead-lock.
* So, for that specific vector, we use a special allocator that returns a
* static buffer for small sizes, and force the initial vector capacity to
* a size enough to store one atfork function table. */
template <typename T>
struct SpecialAllocator: public std::allocator<T>
{
SpecialAllocator(): bufUsed(false) {}
inline typename std::allocator<T>::pointer allocate(typename std::allocator<T>::size_type n, const void * = 0) {
if (!bufUsed && n == 1) {
bufUsed = true;
return buf.addr();
}
return reinterpret_cast<T *>(::operator new(sizeof(T) * n));
}
inline void deallocate(typename std::allocator<T>::pointer p, typename std::allocator<T>::size_type n) {
if (p == buf.addr())
bufUsed = false;
else
::operator delete(p);
}
template<typename U>
struct rebind {
typedef SpecialAllocator<U> other;
};
private:
mozilla::AlignedStorage2<T> buf;
bool bufUsed;
};
static std::vector<AtForkFuncs, SpecialAllocator<AtForkFuncs> > atfork;
#ifdef MOZ_WIDGET_GONK
#include "cpuacct.h"
@ -46,6 +84,8 @@ WRAP(pthread_atfork)(void (*prepare)(void), void (*parent)(void), void (*child)(
funcs.prepare = prepare;
funcs.parent = parent;
funcs.child = child;
if (!atfork.capacity())
atfork.reserve(1);
atfork.push_back(funcs);
return 0;
}
@ -133,40 +173,77 @@ PR_GetEnvLock(void)
#ifndef MOZ_WIDGET_GONK
#include <string.h>
extern "C" NS_EXPORT void* __wrap_memccpy(void * a0, const void * a1, int a2, size_t a3) { return memccpy(a0, a1, a2, a3); }
extern "C" NS_EXPORT void* __wrap_memchr(const void * a0, int a1, size_t a2) { return memchr(a0, a1, a2); }
extern "C" NS_EXPORT void* __wrap_memrchr(const void * a0, int a1, size_t a2) { return memrchr(a0, a1, a2); }
extern "C" NS_EXPORT int __wrap_memcmp(const void * a0, const void * a1, size_t a2) { return memcmp(a0, a1, a2); }
extern "C" NS_EXPORT void* __wrap_memcpy(void * a0, const void * a1, size_t a2) { return memcpy(a0, a1, a2); }
extern "C" NS_EXPORT void* __wrap_memmove(void * a0, const void * a1, size_t a2) { return memmove(a0, a1, a2); }
extern "C" NS_EXPORT void* __wrap_memset(void * a0, int a1, size_t a2) { return memset(a0, a1, a2); }
extern "C" NS_EXPORT void* __wrap_memmem(const void * a0, size_t a1, const void * a2, size_t a3) { return memmem(a0, a1, a2, a3); }
extern "C" NS_EXPORT void __wrap_memswap(void * a0, void * a1, size_t a2) { memswap(a0, a1, a2); }
extern "C" NS_EXPORT char* __wrap_index(const char * a0, int a1) { return index(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strchr(const char * a0, int a1) { return strchr(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strrchr(const char * a0, int a1) { return strrchr(a0, a1); }
extern "C" NS_EXPORT size_t __wrap_strlen(const char * a0) { return strlen(a0); }
extern "C" NS_EXPORT int __wrap_strcmp(const char * a0, const char * a1) { return strcmp(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strcpy(char * a0, const char * a1) { return strcpy(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strcat(char * a0, const char * a1) { return strcat(a0, a1); }
extern "C" NS_EXPORT int __wrap_strcasecmp(const char * a0, const char * a1) { return strcasecmp(a0, a1); }
extern "C" NS_EXPORT int __wrap_strncasecmp(const char * a0, const char * a1, size_t a2) { return strncasecmp(a0, a1, a2); }
extern "C" NS_EXPORT char* __wrap_strstr(const char * a0, const char * a1) { return strstr(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strcasestr(const char * a0, const char * a1) { return strcasestr(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strtok(char * a0, const char * a1) { return strtok(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strtok_r(char * a0, const char * a1, char** a2) { return strtok_r(a0, a1, a2); }
extern "C" NS_EXPORT char* __wrap_strerror(int a0) { return strerror(a0); }
extern "C" NS_EXPORT int __wrap_strerror_r(int a0, char * a1, size_t a2) { return strerror_r(a0, a1, a2); }
extern "C" NS_EXPORT size_t __wrap_strnlen(const char * a0, size_t a1) { return strnlen(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strncat(char * a0, const char * a1, size_t a2) { return strncat(a0, a1, a2); }
extern "C" NS_EXPORT int __wrap_strncmp(const char * a0, const char * a1, size_t a2) { return strncmp(a0, a1, a2); }
extern "C" NS_EXPORT char* __wrap_strncpy(char * a0, const char * a1, size_t a2) { return strncpy(a0, a1, a2); }
extern "C" NS_EXPORT size_t __wrap_strlcat(char * a0, const char * a1, size_t a2) { return strlcat(a0, a1, a2); }
extern "C" NS_EXPORT size_t __wrap_strlcpy(char * a0, const char * a1, size_t a2) { return strlcpy(a0, a1, a2); }
extern "C" NS_EXPORT size_t __wrap_strcspn(const char * a0, const char * a1) { return strcspn(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strpbrk(const char * a0, const char * a1) { return strpbrk(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strsep(char ** a0, const char * a1) { return strsep(a0, a1); }
extern "C" NS_EXPORT size_t __wrap_strspn(const char * a0, const char * a1) { return strspn(a0, a1); }
extern "C" NS_EXPORT int __wrap_strcoll(const char * a0, const char * a1) { return strcoll(a0, a1); }
extern "C" NS_EXPORT size_t __wrap_strxfrm(char * a0, const char * a1, size_t a2) { return strxfrm(a0, a1, a2); }
extern "C" NS_EXPORT void* __real_memccpy(void * a0, const void * a1, int a2, size_t a3);
extern "C" NS_EXPORT void* __real_memchr(const void * a0, int a1, size_t a2);
extern "C" NS_EXPORT void* __real_memrchr(const void * a0, int a1, size_t a2);
extern "C" NS_EXPORT int __real_memcmp(const void * a0, const void * a1, size_t a2);
extern "C" NS_EXPORT void* __real_memcpy(void * a0, const void * a1, size_t a2);
extern "C" NS_EXPORT void* __real_memmove(void * a0, const void * a1, size_t a2);
extern "C" NS_EXPORT void* __real_memset(void * a0, int a1, size_t a2);
extern "C" NS_EXPORT void* __real_memmem(const void * a0, size_t a1, const void * a2, size_t a3);
extern "C" NS_EXPORT void __real_memswap(void * a0, void * a1, size_t a2);
extern "C" NS_EXPORT char* __real_index(const char * a0, int a1);
extern "C" NS_EXPORT char* __real_strchr(const char * a0, int a1);
extern "C" NS_EXPORT char* __real_strrchr(const char * a0, int a1);
extern "C" NS_EXPORT size_t __real_strlen(const char * a0);
extern "C" NS_EXPORT int __real_strcmp(const char * a0, const char * a1);
extern "C" NS_EXPORT char* __real_strcpy(char * a0, const char * a1);
extern "C" NS_EXPORT char* __real_strcat(char * a0, const char * a1);
extern "C" NS_EXPORT int __real_strcasecmp(const char * a0, const char * a1);
extern "C" NS_EXPORT int __real_strncasecmp(const char * a0, const char * a1, size_t a2);
extern "C" NS_EXPORT char* __real_strstr(const char * a0, const char * a1);
extern "C" NS_EXPORT char* __real_strcasestr(const char * a0, const char * a1);
extern "C" NS_EXPORT char* __real_strtok(char * a0, const char * a1);
extern "C" NS_EXPORT char* __real_strtok_r(char * a0, const char * a1, char** a2);
extern "C" NS_EXPORT char* __real_strerror(int a0);
extern "C" NS_EXPORT int __real_strerror_r(int a0, char * a1, size_t a2);
extern "C" NS_EXPORT size_t __real_strnlen(const char * a0, size_t a1);
extern "C" NS_EXPORT char* __real_strncat(char * a0, const char * a1, size_t a2);
extern "C" NS_EXPORT int __real_strncmp(const char * a0, const char * a1, size_t a2);
extern "C" NS_EXPORT char* __real_strncpy(char * a0, const char * a1, size_t a2);
extern "C" NS_EXPORT size_t __real_strlcat(char * a0, const char * a1, size_t a2);
extern "C" NS_EXPORT size_t __real_strlcpy(char * a0, const char * a1, size_t a2);
extern "C" NS_EXPORT size_t __real_strcspn(const char * a0, const char * a1);
extern "C" NS_EXPORT char* __real_strpbrk(const char * a0, const char * a1);
extern "C" NS_EXPORT char* __real_strsep(char ** a0, const char * a1);
extern "C" NS_EXPORT size_t __real_strspn(const char * a0, const char * a1);
extern "C" NS_EXPORT int __real_strcoll(const char * a0, const char * a1);
extern "C" NS_EXPORT size_t __real_strxfrm(char * a0, const char * a1, size_t a2);
extern "C" NS_EXPORT void* __wrap_memccpy(void * a0, const void * a1, int a2, size_t a3) { return __real_memccpy(a0, a1, a2, a3); }
extern "C" NS_EXPORT void* __wrap_memchr(const void * a0, int a1, size_t a2) { return __real_memchr(a0, a1, a2); }
extern "C" NS_EXPORT void* __wrap_memrchr(const void * a0, int a1, size_t a2) { return __real_memrchr(a0, a1, a2); }
extern "C" NS_EXPORT int __wrap_memcmp(const void * a0, const void * a1, size_t a2) { return __real_memcmp(a0, a1, a2); }
extern "C" NS_EXPORT void* __wrap_memcpy(void * a0, const void * a1, size_t a2) { return __real_memcpy(a0, a1, a2); }
extern "C" NS_EXPORT void* __wrap_memmove(void * a0, const void * a1, size_t a2) { return __real_memmove(a0, a1, a2); }
extern "C" NS_EXPORT void* __wrap_memset(void * a0, int a1, size_t a2) { return __real_memset(a0, a1, a2); }
extern "C" NS_EXPORT void* __wrap_memmem(const void * a0, size_t a1, const void * a2, size_t a3) { return __real_memmem(a0, a1, a2, a3); }
extern "C" NS_EXPORT void __wrap_memswap(void * a0, void * a1, size_t a2) { __real_memswap(a0, a1, a2); }
extern "C" NS_EXPORT char* __wrap_index(const char * a0, int a1) { return __real_index(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strchr(const char * a0, int a1) { return __real_strchr(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strrchr(const char * a0, int a1) { return __real_strrchr(a0, a1); }
extern "C" NS_EXPORT size_t __wrap_strlen(const char * a0) { return __real_strlen(a0); }
extern "C" NS_EXPORT int __wrap_strcmp(const char * a0, const char * a1) { return __real_strcmp(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strcpy(char * a0, const char * a1) { return __real_strcpy(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strcat(char * a0, const char * a1) { return __real_strcat(a0, a1); }
extern "C" NS_EXPORT int __wrap_strcasecmp(const char * a0, const char * a1) { return __real_strcasecmp(a0, a1); }
extern "C" NS_EXPORT int __wrap_strncasecmp(const char * a0, const char * a1, size_t a2) { return __real_strncasecmp(a0, a1, a2); }
extern "C" NS_EXPORT char* __wrap_strstr(const char * a0, const char * a1) { return __real_strstr(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strcasestr(const char * a0, const char * a1) { return __real_strcasestr(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strtok(char * a0, const char * a1) { return __real_strtok(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strtok_r(char * a0, const char * a1, char** a2) { return __real_strtok_r(a0, a1, a2); }
extern "C" NS_EXPORT char* __wrap_strerror(int a0) { return __real_strerror(a0); }
extern "C" NS_EXPORT int __wrap_strerror_r(int a0, char * a1, size_t a2) { return __real_strerror_r(a0, a1, a2); }
extern "C" NS_EXPORT size_t __wrap_strnlen(const char * a0, size_t a1) { return __real_strnlen(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strncat(char * a0, const char * a1, size_t a2) { return __real_strncat(a0, a1, a2); }
extern "C" NS_EXPORT int __wrap_strncmp(const char * a0, const char * a1, size_t a2) { return __real_strncmp(a0, a1, a2); }
extern "C" NS_EXPORT char* __wrap_strncpy(char * a0, const char * a1, size_t a2) { return __real_strncpy(a0, a1, a2); }
extern "C" NS_EXPORT size_t __wrap_strlcat(char * a0, const char * a1, size_t a2) { return __real_strlcat(a0, a1, a2); }
extern "C" NS_EXPORT size_t __wrap_strlcpy(char * a0, const char * a1, size_t a2) { return __real_strlcpy(a0, a1, a2); }
extern "C" NS_EXPORT size_t __wrap_strcspn(const char * a0, const char * a1) { return __real_strcspn(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strpbrk(const char * a0, const char * a1) { return __real_strpbrk(a0, a1); }
extern "C" NS_EXPORT char* __wrap_strsep(char ** a0, const char * a1) { return __real_strsep(a0, a1); }
extern "C" NS_EXPORT size_t __wrap_strspn(const char * a0, const char * a1) { return __real_strspn(a0, a1); }
extern "C" NS_EXPORT int __wrap_strcoll(const char * a0, const char * a1) { return __real_strcoll(a0, a1); }
extern "C" NS_EXPORT size_t __wrap_strxfrm(char * a0, const char * a1, size_t a2) { return __real_strxfrm(a0, a1, a2); }
#endif

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@ -116,7 +116,7 @@ endif
SHARED_LIBRARY_LIBS += $(call EXPAND_LIBNAME_PATH,mfbt,$(DEPTH)/mfbt)
ifeq (Android, $(OS_TARGET))
WRAP_LDFLAGS =
WRAP_LDFLAGS := $(filter -Wl%,$(WRAP_LDFLAGS))
endif
include $(topsrcdir)/config/rules.mk