update

os_linux.c

@@ -7,6 +7,7 @@
 #include "sys/stat.h"
 #include "unistd.h" // POSIX Standard
 #include "stdio.h"
+#include "pthread.h"
 
 void *os_alloc(size_t capacity) {
     return mmap(0, capacity, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
@@ -96,4 +97,13 @@ void os_print(StdStream target, const char *fmt, va_list argList) {
     scratchEnd(temp);
 }
 
+OS_Thread os_createThread(void *(*entry)(void *), void *ctx) {
+    pthread_t handle;
+    pthread_attr_t attr;
+    pthread_attr_init(&attr);
+    pthread_create(&handle, &attr, entry, ctx);
+    pthread_attr_destroy(&attr);
+    return (OS_Thread){ .id=handle };
+}
+
 #endif