Set all created threads to 8MB stacksize.

Fixes musl systems where non-main pthreads have much smaller stacksizes than Linux.
Neat-Lang · Feb 27, 2023 · fd9a483 · fd9a483
1 parent c6e1a26
commit fd9a483
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Showing 2 changed files with 15 additions and 3 deletions.
diff --git a/src/c/pthread.nt b/src/c/pthread.nt
@@ -27,7 +27,7 @@ extern(C) int pthread_mutexattr_settype(pthread_mutexattr_t* attr, int type);
 struct pthread_cond_t
 {
     // __SIZEOF_PTHREAD_COND_T is like 48?
-    long a; long b; long c; long d; long e; long f;
+    long a, b, c, d, e, f;
 }
 
 extern(C) int pthread_cond_init(pthread_cond_t*, void* attr);
@@ -49,7 +49,15 @@ void call_thread_dg(void* arg) {
     dg();
 }
 
-extern(C) int pthread_create(pthread_t* thread, void* attr, void function(void*) start_routine, void* arg);
+struct pthread_attr_t
+{
+    // __SIZEOF_PTHREAD_ATTR_T?? Iunno? 64?
+    long a, b, c, d, e, f, g, h;
+}
+
+extern(C) int pthread_create(pthread_t* thread, pthread_attr_t* attr, void function(void*) start_routine, void* arg);
+extern(C) int pthread_attr_init(pthread_attr_t* attr);
+extern(C) int pthread_attr_setstacksize(pthread_attr_t* attr, size_t stacksize);
 
 struct pthread_key_t {
     int value;

diff --git a/src/std/thread.nt b/src/std/thread.nt
@@ -251,7 +251,11 @@ private class Thread
 
     this(this.pool) { runDg = &run; }
     void start() {
-        pthread_create(&thr, null, &call_thread_dg, &runDg);
+        // placeholder that's definitely (I'd hope so!) large enough for a pthread_attr_t.
+        pthread_attr_t attr;
+        pthread_attr_init(&attr);
+        pthread_attr_setstacksize(&attr, 8*1024*1024);
+        pthread_create(&thr, &attr, &call_thread_dg, &runDg);
     }
     void run() {
         while (true) {