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Improve multithreading

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Justine Tunney 2024-07-21 06:41:30 -07:00
parent d3167126aa
commit 30afd6ddbb
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38 changed files with 752 additions and 174 deletions
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11
libc/runtime/cxa_thread_atexit.c
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@ -79,11 +79,22 @@ void __cxa_thread_finalize(void) {
struct Dtor *dtor;
struct CosmoTib *tib;
tib = __get_tls();
// "Any cancellation cleanup handlers that have been pushed and not
// yet popped shall be popped in the reverse order that they were
// pushed and then executed." ──Quoth POSIX.1-2017
_pthread_unwind(tib);
// "After all cancellation cleanup handlers have been executed, if the
// thread has any thread-specific data, appropriate destructor
// functions shall be called in an unspecified order."
// ──Quoth POSIX.1-2017
if (tib->tib_nsync)
_weaken(nsync_waiter_destroy)(tib->tib_nsync);
_pthread_unkey(tib);
_pthread_ungarbage(tib);
while ((dtor = tib->tib_atexit)) {
STRACE("__cxa_finalize(%t, %p)", dtor->fun, dtor->arg);
tib->tib_atexit = dtor->next;