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s3:torture: wait in tevent-loop for child to confirm receive in FDPASS2 msg test

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This is the only way to correctly transfer bigger messages.

Signed-off-by: Michael Adam <obnox@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Volker Lendecke <vl@samba.org>
This commit is contained in:
Michael Adam 2014-09-30 10:15:33 +02:00
parent 3628102938
commit d4bf2be62f
1 changed files with 55 additions and 0 deletions
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55
source3/torture/test_messaging_fd_passing.c
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@ -161,6 +161,13 @@ static bool fdpass2_child(int ready_fd)
SMB_ASSERT(rec->num_fds == 2);
/* Tell the parent we are done. */
bytes = write(ready_fd, &c, 1);
if (bytes != 1) {
perror("child: failed to write to ready_fd");
goto done;
}
up_fd = rec->fds[0];
down_fd = rec->fds[1];
@ -184,6 +191,29 @@ done:
return retval;
}
struct child_done_state {
int fd;
bool done;
};
static void child_done_cb(struct tevent_context *ev,
struct tevent_fd *fde,
uint16_t flags,
void *private_data)
{
struct child_done_state *state =
(struct child_done_state *)private_data;
char c = 0;
ssize_t bytes;
bytes = read(state->fd, &c, 1);
if (bytes != 1) {
perror("parent: read from ready_fd failed");
}
state->done = true;
}
static bool fdpass2_parent(pid_t child_pid, int ready_fd)
{
struct tevent_context *ev = NULL;
@ -200,6 +230,8 @@ static bool fdpass2_parent(pid_t child_pid, int ready_fd)
ssize_t bytes;
struct iovec iov;
DATA_BLOB blob;
struct tevent_fd *child_done_fde;
struct child_done_state child_state;
ev = samba_tevent_context_init(frame);
if (ev == NULL) {
@ -232,6 +264,17 @@ static bool fdpass2_parent(pid_t child_pid, int ready_fd)
goto done;
}
child_state.fd = ready_fd;
child_state.done = false;
child_done_fde = tevent_add_fd(ev, ev, ready_fd, TEVENT_FD_READ,
child_done_cb, &child_state);
if (child_done_fde == NULL) {
fprintf(stderr,
"parent: failed tevent_add_fd for child done\n");
goto done;
}
pass_fds[0] = up_pipe[0];
pass_fds[1] = down_pipe[1];
@ -255,6 +298,18 @@ static bool fdpass2_parent(pid_t child_pid, int ready_fd)
goto done;
}
printf("parent: waiting for child to confirm\n");
while (!child_state.done) {
ret = tevent_loop_once(ev);
if (ret != 0) {
fprintf(stderr, "parent: tevent_loop_once failed\n");
goto done;
}
}
printf("parent: child confirmed\n");
close(up_pipe[0]);
close(down_pipe[1]);