sys_exit

Contents

• sys_exit
  • sys_exit()

The sys_exit() syscall is used to handle thread termination. Natural thread termination (userspace main thread and ISR thread termination) is handled by the libstd using this syscall. Although, a task can voluntary exit a given thread, by explicitely call this syscall.

sys_exit()

In EwoK, exiting the main thread and the ISR thread differs:

• if the ISR thread voluntary exit, this will terminate the current ISR context
• if the main thread exit, it is considered that the task terminates. The overall task threads and ressources are released and the task is no more runnable.

Note

releasing a task does not allow to get back its memory slot for another use by now

The exit syscall has the following API:

e_syscall_ret sys_exit()