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Fix per-thread RNG

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This commit is contained in:
Bruce Hill 2024-11-03 16:21:40 -05:00
parent 5e767e1c38
commit 7ddb2ffb02
2 changed files with 16 additions and 2 deletions
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5
stdlib/stdlib.c
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@ -34,7 +34,10 @@ public void tomo_init(void)
getrandom(&seed, sizeof(seed), 0);
srand(seed);
srand48(seed);
Int$init_random(seed);
long long_seed;
getrandom(&long_seed, sizeof(long_seed), 0);
Int$init_random(long_seed);
if (register_printf_specifier('k', printf_text, printf_text_size))
errx(1, "Couldn't set printf specifier");

13
stdlib/threads.c
View File

@ -9,6 +9,7 @@
#include <stdlib.h>
#include <pthread.h>
#include <sys/param.h>
#include <sys/random.h>
#include "arrays.h"
#include "datatypes.h"
@ -17,10 +18,20 @@
#include "types.h"
#include "util.h"
static void *run_thread(Closure_t *closure)
{
long seed;
getrandom(&seed, sizeof(seed), 0);
Int$init_random(seed);
((void(*)(void*))closure->fn)(closure->userdata);
return NULL;
}
public Thread_t Thread$new(Closure_t fn)
{
Thread_t thread = new(pthread_t);
pthread_create(thread, NULL, fn.fn, fn.userdata);
Closure_t *doop = new(Closure_t, .fn=fn.fn, .userdata=fn.userdata);
pthread_create(thread, NULL, (void*)run_thread, doop);
return thread;
}