process - Process abstraction
A zircon process is an instance of a program in the traditional sense: a set of instructions which will be executed by one or more threads, along with a collection of resources.
The process object is a container of the following resources:
In general, it is associated with code which it is executing until it is forcefully terminated or the program exits.
Processes are owned by jobs and allow an application that is composed by more than one process to be treated as a single entity, from the perspective of resource and permission limits, as well as lifetime control.
The process stops execution when:
- the last thread is terminated or exits
- the process calls
- the parent job terminates the process
- the parent job is destroyed
The call to
zx_process_start() cannot be issued twice. New threads cannot
be added to a process that was started and then its last thread has exited.
zx_process_create()- create a new process within a job
zx_process_read_memory()- read from a process's address space
zx_process_start()- cause a new process to start executing
zx_process_write_memory()- write to a process's address space
zx_process_exit()- exit the current process
zx_job_create()- create a new job within a parent job
zx_task_create_exception_channel()- listen for task exceptions
zx_vmar_map()- Map memory into an address space range
zx_vmar_protect()- Change permissions on an address space range
zx_vmar_unmap()- Unmap memory from an address space range
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