Create a timer.
#include <zircon/syscalls.h> zx_status_t zx_timer_create(uint32_t options, zx_clock_t clock_id, zx_handle_t* out);
zx_timer_create() creates a timer, an object that can signal
when a specified point in time has been reached. The only valid
clock_id is ZX_CLOCK_MONOTONIC.
The options value specifies the coalescing behavior which controls whether the system can fire the time earlier or later depending on other pending timers.
The possible values are:
Passing 0 in options is equivalent to ZX_TIMER_SLACK_CENTER.
See timer slack for more information.
The returned handle has the ZX_RIGHT_DUPLICATE, ZX_RIGHT_TRANSFER, ZX_RIGHT_WRITE, ZX_RIGHT_SIGNAL, ZX_RIGHT_WAIT, and ZX_RIGHT_INSPECT rights.
zx_timer_create() returns ZX_OK on success. In the event
of failure, a negative error value is returned.
ZX_ERR_INVALID_ARGS out is an invalid pointer or NULL or options is not one of the ZX_TIMER_SLACK values or clock_id is any value other than ZX_CLOCK_MONOTONIC.
ZX_ERR_NO_MEMORY Failure due to lack of memory. There is no good way for userspace to handle this (unlikely) error. In a future build this error will no longer occur.
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