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LibC: Implement pthread_{get,set}attr_default_np

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Bananymous
2026-07-02 19:50:07 +03:00
parent 372da006d0
commit c0e091b647
2 changed files with 27 additions and 9 deletions
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2
userspace/libraries/LibC/include/pthread.h
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@@ -168,6 +168,8 @@ void pthread_cleanup_push(void (*routine)(void*), void* arg);
// non portable APIs
int pthread_getattr_np(pthread_t thread, pthread_attr_t* attr);
int pthread_getattr_default_np(pthread_attr_t* attr);
int pthread_setattr_default_np(const pthread_attr_t* attr);
#define _pthread_equal(t1, t2) ((t1) == (t2))

34
userspace/libraries/LibC/pthread.cpp
View File

@@ -20,6 +20,17 @@ struct pthread_trampoline_info_t
void* arg;
};
static pthread_attr_t s_default_pthread_attr {
.inheritsched = PTHREAD_INHERIT_SCHED,
.schedparam = {},
.schedpolicy = SCHED_RR,
.detachstate = PTHREAD_CREATE_JOINABLE,
.scope = PTHREAD_SCOPE_SYSTEM,
.stackaddr = nullptr,
.stacksize = 8 * 1024 * 1024,
.guardsize = static_cast<size_t>(getpagesize()),
};
static void _pthread_cancel_handler(int)
{
uthread* uthread = _get_uthread();
@@ -260,15 +271,7 @@ int pthread_attr_destroy(pthread_attr_t* attr)
int pthread_attr_init(pthread_attr_t* attr)
{
*attr = {
.inheritsched = PTHREAD_INHERIT_SCHED,
.schedparam = {},
.schedpolicy = SCHED_RR,
.detachstate = PTHREAD_CREATE_JOINABLE,
.scope = PTHREAD_SCOPE_SYSTEM,
.stacksize = Kernel::Thread::userspace_stack_size,
.guardsize = static_cast<size_t>(getpagesize()),
};
*attr = s_default_pthread_attr;
return 0;
}
@@ -1322,6 +1325,19 @@ int pthread_getattr_np(pthread_t thread, pthread_attr_t* attr)
return 0;
}
int pthread_getattr_default_np(pthread_attr_t* attr)
{
*attr = s_default_pthread_attr;
return 0;
}
int pthread_setattr_default_np(const pthread_attr_t* attr)
{
// TODO: validate, make thread safe?
s_default_pthread_attr = *attr;
return 0;
}
static void load_dynamic_tls_module(size_t module)
{
auto* uthread = _get_uthread();