zx_counter_read
Summary
Read the value of a counter.
Declaration
#include <zircon/syscalls.h>
zx_status_t zx_event_read(zx_handle_t handle, int64_t* value);
Description
zx_counter_read() reads the value of the counter referenced by handle into
the integer value points at.
Rights
handle must have ZX_RIGHT_READ.
Return value
zx_counter_read() returns ZX_OK on success.
On failure, an error value is returned.
Errors
ZX_ERR_WRONG_TYPE if handle is not a counter handle.
ZX_ERR_ACCESS_DENIED if handle does not have ZX_RIGHT_READ.
ZX_ERR_INVALID_ARGS if value is an invalid pointer.
See also
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Last updated 2025-03-04 UTC.
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