diff options
| -rw-r--r-- | qapi/misc.json | 18 | ||||
| -rw-r--r-- | qmp.c | 16 |
2 files changed, 34 insertions, 0 deletions
diff --git a/qapi/misc.json b/qapi/misc.json index 1545e41620..c31fc983f3 100644 --- a/qapi/misc.json +++ b/qapi/misc.json @@ -3427,3 +3427,21 @@ ## { 'event': 'COMMAND_DROPPED' , 'data': { 'id': 'any', 'reason': 'CommandDropReason' } } + +## +# @x-oob-test: +# +# Test OOB functionality. When sending this command with lock=true, +# it'll try to hang the dispatcher. When sending it with lock=false, +# it'll try to notify the locked thread to continue. Note: it should +# only be used by QMP test program rather than anything else. +# +# Since: 2.12 +# +# Example: +# +# { "execute": "x-oob-test", +# "arguments": { "lock": true } } +## +{ 'command': 'x-oob-test', 'data' : { 'lock': 'bool' }, + 'allow-oob': true } @@ -770,3 +770,19 @@ MemoryInfo *qmp_query_memory_size_summary(Error **errp) return mem_info; } + +static QemuSemaphore x_oob_test_sem; + +static void __attribute__((constructor)) x_oob_test_init(void) +{ + qemu_sem_init(&x_oob_test_sem, 0); +} + +void qmp_x_oob_test(bool lock, Error **errp) +{ + if (lock) { + qemu_sem_wait(&x_oob_test_sem); + } else { + qemu_sem_post(&x_oob_test_sem); + } +} |