| # Zircon System Calls |
| |
| ## Handles |
| + [handle_close](syscalls/handle_close.md) - close a handle |
| + [handle_close_many](syscalls/handle_close_many.md) - close several handles |
| + [handle_duplicate](syscalls/handle_duplicate.md) - create a duplicate handle (optionally with reduced rights) |
| + [handle_replace](syscalls/handle_replace.md) - create a new handle (optionally with reduced rights) and destroy the old one |
| |
| ## Objects |
| + [object_get_child](syscalls/object_get_child.md) - find the child of an object by its koid |
| + [object_get_cookie](syscalls/object_get_cookie.md) - read an object cookie |
| + [object_get_info](syscalls/object_get_info.md) - obtain information about an object |
| + [object_get_property](syscalls/object_get_property.md) - read an object property |
| + [object_set_cookie](syscalls/object_set_cookie.md) - write an object cookie |
| + [object_set_property](syscalls/object_set_property.md) - modify an object property |
| + [object_signal](syscalls/object_signal.md) - set or clear the user signals on an object |
| + [object_signal_peer](syscalls/object_signal.md) - set or clear the user signals in the opposite end |
| + [object_wait_many](syscalls/object_wait_many.md) - wait for signals on multiple objects |
| + [object_wait_one](syscalls/object_wait_one.md) - wait for signals on one object |
| + [object_wait_async](syscalls/object_wait_async.md) - asynchronous notifications on signal change |
| |
| ## Threads |
| + [thread_create](syscalls/thread_create.md) - create a new thread within a process |
| + [thread_exit](syscalls/thread_exit.md) - exit the current thread |
| + [thread_read_state](syscalls/thread_read_state.md) - read register state from a thread |
| + [thread_start](syscalls/thread_start.md) - cause a new thread to start executing |
| + [thread_write_state](syscalls/thread_write_state.md) - modify register state of a thread |
| |
| ## Processes |
| + [process_create](syscalls/process_create.md) - create a new process within a job |
| + [process_read_memory](syscalls/process_read_memory.md) - read from a process's address space |
| + [process_start](syscalls/process_start.md) - cause a new process to start executing |
| + [process_write_memory](syscalls/process_write_memory.md) - write to a process's address space |
| + [process_exit](syscalls/process_exit.md) - exit the current process |
| |
| ## Jobs |
| + [job_create](syscalls/job_create.md) - create a new job within a job |
| + [job_set_policy](syscalls/job_set_policy.md) - modify policies for a job and its descendants |
| |
| ## Tasks (Thread, Process, or Job) |
| + [task_bind_exception_port](syscalls/task_bind_exception_port.md) - attach an exception port to a task |
| + [task_kill](syscalls/task_kill.md) - cause a task to stop running |
| + [task_resume_from_exception](syscalls/task_resume_from_exception.md) - resume a task from a previously caught exception |
| + [task_suspend](syscalls/task_suspend.md) - cause a task to be suspended |
| |
| ## Channels |
| + [channel_call](syscalls/channel_call.md) - synchronously send a message and receive a reply |
| + [channel_create](syscalls/channel_create.md) - create a new channel |
| + [channel_read](syscalls/channel_read.md) - receive a message from a channel |
| + [channel_read_etc](syscalls/channel_read.md) - receive a message from a channel with handle information |
| + [channel_write](syscalls/channel_write.md) - write a message to a channel |
| |
| ## Sockets |
| + [socket_accept](syscalls/socket_accept.md) - receive a socket via a socket |
| + [socket_create](syscalls/socket_create.md) - create a new socket |
| + [socket_read](syscalls/socket_read.md) - read data from a socket |
| + [socket_share](syscalls/socket_share.md) - share a socket via a socket |
| + [socket_shutdown](syscalls/socket_shutdown.md) - prevent reading or writing |
| + [socket_write](syscalls/socket_write.md) - write data to a socket |
| |
| ## Fifos |
| + [fifo_create](syscalls/fifo_create.md) - create a new fifo |
| + [fifo_read](syscalls/fifo_read.md) - read data from a fifo |
| + [fifo_write](syscalls/fifo_write.md) - write data to a fifo |
| |
| ## Events and Event Pairs |
| + [event_create](syscalls/event_create.md) - create an event |
| + [eventpair_create](syscalls/eventpair_create.md) - create a connected pair of events |
| |
| ## Ports |
| + [port_create](syscalls/port_create.md) - create a port |
| + [port_queue](syscalls/port_queue.md) - send a packet to a port |
| + [port_wait](syscalls/port_wait.md) - wait for packets to arrive on a port |
| + [port_cancel](syscalls/port_cancel.md) - cancel notifications from async_wait |
| |
| ## Futexes |
| + [futex_wait](syscalls/futex_wait.md) - wait on a futex |
| + [futex_wake](syscalls/futex_wake.md) - wake waiters on a futex |
| + [futex_requeue](syscalls/futex_requeue.md) - wake some waiters and requeue other waiters |
| |
| ## Virtual Memory Objects (VMOs) |
| + [vmo_create](syscalls/vmo_create.md) - create a new vmo |
| + [vmo_read](syscalls/vmo_read.md) - read from a vmo |
| + [vmo_write](syscalls/vmo_write.md) - write to a vmo |
| + [vmo_clone](syscalls/vmo_clone.md) - clone a vmo |
| + [vmo_get_size](syscalls/vmo_get_size.md) - obtain the size of a vmo |
| + [vmo_set_size](syscalls/vmo_set_size.md) - adjust the size of a vmo |
| + [vmo_op_range](syscalls/vmo_op_range.md) - perform an operation on a range of a vmo |
| + [vmo_replace_as_executable](syscalls/vmo_replace_as_executable.md) - add execute rights to a vmo |
| + [vmo_create_physical](syscalls/vmo_create_physical.md) - create a VM object referring to a specific contiguous range of physical memory |
| + [vmo_clone](syscalls/vmo_clone.md) - clone a vmo |
| + [vmo_set_cache_policy](syscalls/vmo_set_cache_policy.md) - set the caching policy for pages held by a VMO. |
| |
| ## Virtual Memory Address Regions (VMARs) |
| + [vmar_allocate](syscalls/vmar_allocate.md) - create a new child VMAR |
| + [vmar_map](syscalls/vmar_map.md) - map a VMO into a process |
| + [vmar_unmap](syscalls/vmar_unmap.md) - unmap a memory region from a process |
| + [vmar_protect](syscalls/vmar_protect.md) - adjust memory access permissions |
| + [vmar_destroy](syscalls/vmar_destroy.md) - destroy a VMAR and all of its children |
| |
| ## Cryptographically Secure RNG |
| + [cprng_draw](syscalls/cprng_draw.md) |
| + [cprng_add_entropy](syscalls/cprng_add_entropy.md) |
| |
| ## Time |
| + [nanosleep](syscalls/nanosleep.md) - sleep for some number of nanoseconds |
| + [clock_get](syscalls/clock_get.md) - read a system clock |
| + [clock_get_monotonic](syscalls/clock_get_monotonic.md) - read the monotonic system clock |
| + [ticks_get](syscalls/ticks_get.md) - read high-precision timer ticks |
| + [ticks_per_second](syscalls/ticks_per_second.md) - read the number of high-precision timer ticks in a second |
| + [deadline_after](syscalls/deadline_after.md) - Convert a time relative to now to an absolute deadline |
| |
| ## Timers |
| + [timer_create](syscalls/timer_create.md) - create a timer object |
| + [timer_set](syscalls/timer_set.md) - start a timer |
| + [timer_cancel](syscalls/timer_cancel.md) - cancel a timer |
| |
| ## Hypervisor guests |
| + [guest_create](syscalls/guest_create.md) - create a hypervisor guest |
| + [guest_set_trap](syscalls/guest_set_trap.md) - set a trap in a hypervisor guest |
| |
| ## Virtual CPUs |
| + [vcpu_create](syscalls/vcpu_create.md) - create a virtual cpu |
| + [vcpu_resume](syscalls/vcpu_resume.md) - resume execution of a virtual cpu |
| + [vcpu_interrupt](syscalls/vcpu_interrupt.md) - raise an interrupt on a virtual cpu |
| + [vcpu_read_state](syscalls/vcpu_read_state.md) - read state from a virtual cpu |
| + [vcpu_write_state](syscalls/vcpu_write_state.md) - write state to a virtual cpu |
| |
| ## Global system information |
| + [system_get_features](syscalls/system_get_features.md) - get hardware-specific features |
| + [system_get_num_cpus](syscalls/system_get_num_cpus.md) - get number of CPUs |
| + [system_get_physmem](syscalls/system_get_physmem.md) - get physical memory size |
| + [system_get_version](syscalls/system_get_version.md) - get version string |
| |
| ## Debug Logging |
| + [debuglog_create](syscalls/debuglog_create.md) - create a kernel managed debuglog reader or writer |
| + [debuglog_write](syscalls/debuglog_write.md) - write log entry to debuglog |
| + [debuglog_read](syscalls/debuglog_read.md) - read log entries from debuglog |
| |
| ## Multi-function |
| + [vmar_unmap_handle_close_thread_exit](syscalls/vmar_unmap_handle_close_thread_exit.md) - three-in-one |
| + [futex_wake_handle_close_thread_exit](syscalls/futex_wake_handle_close_thread_exit.md) - three-in-one |
| |
| ## System |
| + [system_mexec](syscalls/system_mexec.md) - Soft reboot the system with a new kernel and bootimage |
| + [system_mexec_payload_get](syscalls/system_mexec_payload_get.md) - Return a ZBI containing ZBI entries necessary to boot this system |
| |
| ## DDK |
| + [bti_create](syscalls/bti_create.md) - create a new bus transaction initiator |
| + [bti_pin](syscalls/bti_pin.md) - pin pages and grant devices access to them |
| + [bti_release_quarantine](syscalls/bti_release_quarantine.md) - releases all quarantined PMTs |
| + [cache_flush](syscalls/cache_flush.md) - Flush CPU data and/or instruction caches |
| + [interrupt_ack](syscalls/interrupt_ack.md) - Acknowledge an interrupt object |
| + [interrupt_bind](syscalls/interrupt_bind.md) - Bind an interrupt object to a port |
| + [interrupt_create](syscalls/interrupt_create.md) - Create a physical or virtual interrupt object |
| + [interrupt_destroy](syscalls/interrupt_destroy.md) - Destroy an interrupt object |
| + [interrupt_trigger](syscalls/interrupt_trigger.md) - Trigger a virtual interrupt object |
| + [interrupt_wait](syscalls/interrupt_wait.md) - Wait on an interrupt object |
| + [iommu_create](syscalls/iommu_create.md) - create a new IOMMU object in the kernel |
| + [pmt_unpin](syscalls/pmt_unpin.md) - unpin pages and revoke device access to them |
| + [resource_create](syscalls/resource_create.md) - create a resource object |
| + [smc_call](syscalls/smc_call.md) - Make an SMC call from user space |
