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Add phtread_setname_np() and pthread_getname_np()

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Justine Tunney 2022-09-07 18:59:00 -07:00
parent 114176c304
commit de511bc71a
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8 changed files with 355 additions and 4 deletions
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12
libc/thread/pthread_attr_setstack.c
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@ -35,12 +35,13 @@
*
* pthread_t id;
* pthread_attr_t attr;
* char *stk = _mapstack();
* pthread_attr_init(&attr);
* pthread_attr_setstack(&attr, gc(malloc(GetStackSize())),
* GetStackSize());
* pthread_attr_setstack(&attr, stk, GetStackSize());
* pthread_create(&id, &attr, func, 0);
* pthread_attr_destroy(&attr);
* pthread_join(id, 0);
* _freestack(stk);
*
* Your stack must have at least `PTHREAD_STACK_MIN` bytes, which
* Cosmpolitan Libc defines as `GetStackSize()`. It's a link-time
@ -52,11 +53,16 @@
* (e.g. kprintf) assumes that stack sizes are two-powers and are
* aligned to that two-power. Conformance isn't required since we
* say caveat emptor to those who don't maintain these invariants
* please consider using _mapstack() which always does it perfect
* or use `mmap(0, GetStackSize() << 1, ...)` for a bigger stack.
*
* Unlike pthread_attr_setstacksize(), this function permits just
* about any parameters and will change the values and allocation
* as needed to conform to the mandatory requirements of the host
* operating system.
* operating system even if it doesn't meet the stricter needs of
* Cosmopolitan Libc userspace libraries. For example with malloc
* allocations, things like page size alignment, shall be handled
* automatically for compatibility with existing codebases.
*
* @param stackaddr is address of stack allocated by caller, and
* may be NULL in which case default behavior is restored