bsd/kern/kern_exec.c

186 			thread_t	thread);
202 #include <kern/thread.h>
623 				 * For vfork exec, the current implementation has not set up the thread in the
748 	thread_t		thread;
789 	thread = current_thread();
790 	uthread = get_bsdthread_info(thread);
842 	 * operation; in this case, we know that our task, thread, and
856 		/* reset local idea of thread, uthread, task */
857 		thread = imgp->ip_new_thread;
858 		uthread = get_bsdthread_info(thread);
859 		task = new_task = get_threadtask(thread);
893 	lret = load_machfile(imgp, mach_header, thread, map, &load_result);
952 	 * deal with voucher on exec-calling thread.
988 		thread_setuserstack(thread, ap);
996 		ap = thread_adjuserstack(thread, -new_ptr_size);
1015 	thread_setentrypoint(thread, load_result.entry_point);
1023 	execsigs(p, thread);
1074 	 * Invalidate any predicate evaluation already cached for this thread by DTrace.
1118 					p->p_pid ,0,0,0, (uintptr_t)thread_tid(thread));
1120 					dbg_arg1, dbg_arg2, dbg_arg3, dbg_arg4, (uintptr_t)thread_tid(thread));
1167 		psignal_vfork(p, new_task, thread, SIGTRAP);
1176 			psignal_vfork(p, new_task, thread, SIGKILL);
1195 		thread_deallocate(thread);
1289 	 * sure another thread hasn't started exiting the process.  We grab
2137 	/* By default, the thread everyone plays with is the parent */
2302 	 * prior to making the thread runnable in user space.  This is
2303 	 * necessitated by some signal information being per-thread rather
2312 		 * If we created a new child thread, then the thread and
2347 		 * Activate the CPU usage monitor, if requested. This is done via a task-wide, per-thread CPU
2348 		 * usage limit, which will generate a resource exceeded exception if any one thread exceeds the
2443 	 * This must be done after the exec so that the child's thread is ready,
2456 	/* Apply the main thread qos */
2529 		 * particularly w.r.t. errors, and which thread/process
2544 			 * here, for compatibility, mark the new thread
2599 			 * task/thread references to the newly spawned
2602 			 * with the delayed resume of the thread here.
2760 		/* Sever any extant thread affinity */
3753 			 * Have mach reset the task and thread ports.
3756 			 * task/thread after.