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tcmalloc 导致fork后,子进程死锁 - CSDN博客
WebDec 21, 2024 · 内存分配流程图如上图,具体流程如下: 1、 Tcmalloc首先判断malloc的size是否大于kMaxSize,如果小于这个值,那么将size转换为想的obj class,然后从当 … WebApr 6, 2024 · 我们有下面的一些方法来解决这个问题:. 使用mysql5.6版本,可以看见这个是在5.7中引入的,5.6中不会出现这个情况. 使用RC级别,RC隔离级别下不会有gap锁 -- 不要使用 insert on duplicate key update,使用普通的insert。. 我们最后使用的就是这个方法,因为ON DUPLICATE KEY ... raf beach units
c - Deadlock inside malloc_atfork - Stack Overflow
WebApr 11, 2014 · It's generally impossible to use fork() in a multithreaded program if the child process doesn't immediately overwrite the program image. The typical doomsday scenario involves a multithreaded memory allocator which will break immediately in the forked process. ... Deadlock (fork + malloc) libc (glibc-2.17, glibc-2.23) Hot Network Questions ... WebJan 31, 2013 · Doc Text: Cause: glibc malloc arena locks, an internal malloc lock, and an internal stdio stream management lock could be acquired in different orders by multiple threads. Consequence: Concurrent calls to fork, malloc, and fflush (NULL) could deadlock, resulting in a hanging process. Fix: glibc now acquires these locks in a consistent order. WebJul 26, 2015 · this benchmark program works fine with pthreads. but when I use my own ULT library it might get stuck on any of the malloc/free functions in the code, not just mbuffer.c but also other files and functions. – zmeftah. Jul 26, 2015 at 10:11 ... Deadlock (fork + malloc) libc (glibc-2.17, glibc-2.23) raf bawtry history