What if the process was in the middle of allocating additional memory on its heap using malloc, and you call malloc from the signal handler?

如果当进程正在使用 malloc 在它的堆上分配额外的内存时，您通过信号处理器调用 malloc，那会怎样？

youdao

In the case of malloc, havoc can result for the process, because malloc usually maintains a linked list of all its allocated area and it may have been in the middle of changing this list.

如果是调用malloc，则进程会被严重破坏，因为malloc通常会为所有它所分配的区域维持一个链表，而它又可能正在修改那个链表。

youdao

When memory size is less than or equal to 512 bytes, AIX malloc provides a more efficient frontend to the actual backend functions of malloc.

对于小于或等于512字节的内存块，AIX malloc为malloc的实际后端功能提供更高效的前端。

youdao

Its name is malloc for memory allocation and what malloc does for us is we say, hmm, the user has typed in a three-letter word.

它为我们分配内存地址,它为用户输入的3个字母单词,分配地址。

哈佛公开课 - 计算机科学课程节选

malloc I'm going to now use this new, fancy function called malloc and I'm going to say x gets the return value of malloc of the size of an int.

我现在使用这个新的，别致的函数,然后我指明x，=，malloc的int型数据的大小,的返回值。

哈佛公开课 - 计算机科学课程节选

malloc sizeof So, when I call malloc size of int and int on this system is probably 4 bytes or 32 bits so what am I getting back?

所以，当我调用,在这个系统中int可能是4个字节，或者说32位,那么返回的是什么呢？

哈佛公开课 - 计算机科学课程节选