| /* | 
 |  * This work is licensed under the terms of the GNU GPL, version 2 or later. | 
 |  * See the COPYING file in the top-level directory. | 
 |  */ | 
 | #ifndef QEMU_MAIN_H | 
 | #define QEMU_MAIN_H | 
 |  | 
 | /* | 
 |  * The function to run on the main (initial) thread of the process. | 
 |  * NULL means QEMU's main event loop. | 
 |  * When non-NULL, QEMU's main event loop will run on a purposely created | 
 |  * thread, after which the provided function pointer will be invoked on | 
 |  * the initial thread. | 
 |  * This is useful on platforms which treat the main thread as special | 
 |  * (macOS/Darwin) and/or require all UI API calls to occur from the main | 
 |  * thread. Those platforms can initialise it to a specific function, | 
 |  * while UI implementations may reset it to NULL during their init if they | 
 |  * will handle system and UI events on the main thread via QEMU's own main | 
 |  * event loop. | 
 |  */ | 
 | extern int (*qemu_main)(void); | 
 |  | 
 | #endif /* QEMU_MAIN_H */ |