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-rw-r--r--src/stdlib/threads.c80
1 files changed, 80 insertions, 0 deletions
diff --git a/src/stdlib/threads.c b/src/stdlib/threads.c
new file mode 100644
index 00000000..9ad68c81
--- /dev/null
+++ b/src/stdlib/threads.c
@@ -0,0 +1,80 @@
+// 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