int brk(void *end_data_segment); void *sbrk(intptr_t increment); Calling sbrk() with an increment of 0 can be used to find the current location of the program break. What is program break?...

Typical implementations of malloc use brk/sbrk as the primary means of claiming memory from the OS. However, they also use mmap to get chunks for large allocations. Is there a real benefit to using...

While I know what the Unix system call brk and function sbrk do, I have no idea what they stand for. Can anyone enlighten me?

I've heard in a lot of places (musl mailing list, macOS forums, etc.) that brk() and sbrk() are unsafe. Many of these places either don't give explanations at all, or give very vague explanations. ...

I'm trying to understand the sbrk() function. From what I know: sbrk(0) returns the current address of the break and doesn't increment it. sbrk(size) increments the address of the break by size b...

I am trying to dynamically allocate memory into the heap and then assign values in those memory addresses. I understand how to allocate the memory but how would I assign for example the value in a ...

According to Linux programmers manual: brk() and sbrk() change the location of the program break, which defines the end of the process's data segment. What does the data segment mean over here? I...

I was thinking about how the Linux kernel implements system calls and I was wondering if someone could give me a high level view of how sbrk/brk work? I've reviewed the kernel code, but there is j...