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// Logic for the Thread type, representing a pthread
#include <ctype.h>
#include <err.h>
#include <fcntl.h>
#include <gc.h>
#include <math.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>
#include <pthread.h>
#include <sys/param.h>
#include <sys/random.h>
#include "arrays.h"
#include "datatypes.h"
#include "metamethods.h"
#include "rng.h"
#include "text.h"
#include "threads.h"
#include "types.h"
#include "util.h"
static void *run_thread(Closure_t *closure)
{
uint8_t *random_bytes = GC_MALLOC_ATOMIC(40);
getrandom(random_bytes, 40, 0);
Array_t rng_seed = {.length=40, .data=random_bytes, .stride=1, .atomic=1};
default_rng = RNG$new(rng_seed);
((void(*)(void*))closure->fn)(closure->userdata);
return NULL;
}
public Thread_t Thread$new(Closure_t fn)
{
Thread_t thread = GC_MALLOC(sizeof(pthread_t));
Closure_t *closure = new(Closure_t, .fn=fn.fn, .userdata=fn.userdata);
pthread_create(thread, NULL, (void*)run_thread, closure);
return thread;
}
public void Thread$join(Thread_t thread)
{
pthread_join(*thread, NULL);
}
public void Thread$cancel(Thread_t thread)
{
pthread_cancel(*thread);
}
public void Thread$detach(Thread_t thread)
{
pthread_detach(*thread);
}
Text_t Thread$as_text(const void *thread, bool colorize, const TypeInfo_t*)
{
if (!thread) {
return colorize ? Text("\x1b[34;1mThread\x1b[m") : Text("Thread");
}
return Text$format(colorize ? "\x1b[34;1mThread(%p)\x1b[m" : "Thread(%p)", *(Thread_t**)thread);
}
static bool Thread$is_none(const void *obj, const TypeInfo_t*)
{
return *(Thread_t*)obj == NULL;
}
public const TypeInfo_t Thread$info = {
.size=sizeof(Thread_t), .align=__alignof(Thread_t),
.metamethods={
.as_text=Thread$as_text,
.is_none=Thread$is_none,
.serialize=cannot_serialize,
.deserialize=cannot_deserialize,
},
};
// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0
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