project-base/server-skynet-source-3rd-jemalloc
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Add basic reentrancy-checking support, and allow arena_new to reenter.

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This checks whether or not we're reentrant using thread-local data, and, if we
are, moves certain internal allocations to use arena 0 (which should be properly
initialized after bootstrapping).

The immediate thing this allows is spinning up threads in arena_new, which will
enable spinning up background threads there.
This commit is contained in:
David Goldblatt
2017-03-31 19:59:45 -07:00
committed by David Goldblatt
parent 0a0fcd3e6a
commit b407a65401
10 changed files with 170 additions and 47 deletions
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4
include/jemalloc/internal/hooks.h
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@@ -1,8 +1,8 @@
#ifndef JEMALLOC_INTERNAL_HOOKS_H
#define JEMALLOC_INTERNAL_HOOKS_H
extern void (*hooks_arena_new_hook)();
extern void (*hooks_libc_hook)();
extern JEMALLOC_EXPORT void (*hooks_arena_new_hook)();
extern JEMALLOC_EXPORT void (*hooks_libc_hook)();
#define JEMALLOC_HOOK(fn, hook) ((void)(hook != NULL && (hook(), 0)), fn)