| # zx_interrupt_signal |
| |
| ## NAME |
| |
| interrupt_signal - unblocks the interupt_wait syscall |
| |
| ## SYNOPSIS |
| |
| ``` |
| #include <zircon/syscalls.h> |
| |
| zx_status_t zx_interrupt_signal(zx_handle_t handle); |
| ``` |
| |
| ## DESCRIPTION |
| |
| **interrupt_signal**() causes any thread blocked in **zx_interrupt_wait** |
| for the same interrupt handle as *handle* to to unblock and return **ZX_ERR_CANCELED**. |
| This can be used to unblock an interrupt thread so it can exit, when shutting down a driver. |
| |
| ## RETURN VALUE |
| |
| **interrupt_signal**() returns **ZX_OK** on success. In the event |
| of failure, a negative error value is returned. |
| |
| ## ERRORS |
| |
| **ZX_ERR_BAD_HANDLE** *handle* is not a valid handle. |
| |
| ## SEE ALSO |
| |
| [interrupt_create](interrupt_create.md), |
| [interrupt_wait](interrupt_wait.md), |
| [interrupt_complete](interrupt_complete.md), |
| [handle_close](handle_close.md). |
