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| author | Amit Shah <amit.shah@redhat.com> | 2010-09-28 16:51:53 +0530 |
|---|---|---|
| committer | Amit Shah <amit.shah@redhat.com> | 2010-09-28 16:51:53 +0530 |
| commit | da4085786b76598d279996c8e6ee87d3fa6a8da1 (patch) | |
| tree | 84fe02e95349d217efc797553ed188c49ae638c9 /auto-virtserial-guest.c | |
| parent | f3963acf119801118d585df35e8d51c0cd384f54 (diff) | |
| download | test-virtserial-da4085786b76598d279996c8e6ee87d3fa6a8da1.tar.gz test-virtserial-da4085786b76598d279996c8e6ee87d3fa6a8da1.tar.xz test-virtserial-da4085786b76598d279996c8e6ee87d3fa6a8da1.zip | |
auto-test: Add test for lseek()
lseek() on console ports should fail with -ESPIPE.
(This behaviour will be seen from kernel 2.6.37 onwards. Older kernels
just returned success without seeking.)
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Diffstat (limited to 'auto-virtserial-guest.c')
| -rw-r--r-- | auto-virtserial-guest.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/auto-virtserial-guest.c b/auto-virtserial-guest.c index 85d5758..9ceda19 100644 --- a/auto-virtserial-guest.c +++ b/auto-virtserial-guest.c @@ -252,6 +252,17 @@ static int close_port(int nr) return ret; } +static int seek_port(int nr) +{ + int ret; + + ret = lseek(g_open_fds[nr], 20, SEEK_SET); + if (ret < 0) + ret = -errno; + + return ret; +} + static int set_port_nonblocking(int val) { int ret, flags; @@ -716,6 +727,9 @@ back_to_open: case KEY_SHUTDOWN: system("shutdown -h now"); break; + case KEY_LSEEK: + ret = seek_port(gpkt.value); + send_report(cfd, ret); default: send_report(cfd, -ERANGE); break; |