zx_system_barrier
Summary
Issue a barrier on other running threads.
Declaration
#include <zircon/syscalls-next.h>
zx_status_t zx_system_barrier(uint32_t options);
Description
Issues a barrier of the requested type on all running threads.
Options: types of barriers
ZX_SYSTEM_BARRIER_DATA_MEMORY
This issues a data memory barrier on all running threads.
ZX_SYSTEM_BARRIER_INSTRUCTION_STREAM
This issues a memory barrier and serializes the instruction stream on all running threads.
Rights
This operation does not require any rights.
Return value
ZX_OK if the requested barriers were issued.
Errors
ZX_ERR_INVALID_ARGS options contains invalid options.
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Last updated 2025-09-30 UTC.
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