78 lines
1.8 KiB
C
78 lines
1.8 KiB
C
// 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 "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 = new(pthread_t);
|
|
Closure_t *doop = new(Closure_t, .fn=fn.fn, .userdata=fn.userdata);
|
|
pthread_create(thread, NULL, (void*)run_thread, doop);
|
|
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,
|
|
},
|
|
};
|
|
|
|
// vim: ts=4 sw=0 et cino=L2,l1,(0,W4,m1,\:0
|