diff options
Diffstat (limited to 'hw/9pfs/9p-synth.c')
| -rw-r--r-- | hw/9pfs/9p-synth.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/hw/9pfs/9p-synth.c b/hw/9pfs/9p-synth.c index ade3460706..18082dffe8 100644 --- a/hw/9pfs/9p-synth.c +++ b/hw/9pfs/9p-synth.c @@ -521,6 +521,20 @@ static ssize_t v9fs_synth_qtest_write(void *buf, int len, off_t offset, return 1; } +static ssize_t v9fs_synth_qtest_flush_write(void *buf, int len, off_t offset, + void *arg) +{ + bool should_block = !!*(uint8_t *)buf; + + if (should_block) { + /* This will cause the server to call us again until we're cancelled */ + errno = EINTR; + return -1; + } + + return 1; +} + static int synth_init(FsContext *ctx, Error **errp) { QLIST_INIT(&synth_root.child); @@ -557,6 +571,12 @@ static int synth_init(FsContext *ctx, Error **errp) ret = qemu_v9fs_synth_add_file(NULL, 0, QTEST_V9FS_SYNTH_WRITE_FILE, NULL, v9fs_synth_qtest_write, ctx); assert(!ret); + + /* File for FLUSH test */ + ret = qemu_v9fs_synth_add_file(NULL, 0, QTEST_V9FS_SYNTH_FLUSH_FILE, + NULL, v9fs_synth_qtest_flush_write, + ctx); + assert(!ret); } return 0; |