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get_init_pid moved to lxc/commands.c

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as will be used later on in other patches.

Signed-off-by: Michel Normand <normand@fr.ibm.com>
Signed-off-by: Daniel Lezcano <dlezcano@fr.ibm.com>
This commit is contained in:
Michel Normand 2010-04-29 10:03:59 +02:00 committed by Daniel Lezcano
parent 501cbc717f
commit 26b2d15268
3 changed files with 29 additions and 28 deletions
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28
src/lxc/commands.c
View File

@ -111,6 +111,34 @@ out_close:
goto out;
}
pid_t get_init_pid(const char *name)
{
struct lxc_command command = {
.request = { .type = LXC_COMMAND_PID },
};
int ret, stopped = 0;
ret = lxc_command(name, &command, &stopped);
if (ret < 0 && stopped) {
ERROR("'%s' is not running", name);
return -1;
}
if (ret < 0) {
ERROR("failed to send command");
return -1;
}
if (command.answer.ret) {
ERROR("failed to retrieve the init pid: %s",
strerror(-command.answer.ret));
return -1;
}
return command.answer.pid;
}
extern void lxc_console_remove_fd(int, struct lxc_tty_info *);
extern int lxc_console_callback(int, struct lxc_request *, struct lxc_handler *);
extern int lxc_stop_callback(int, struct lxc_request *, struct lxc_handler *);

1
src/lxc/commands.h
View File

@ -47,6 +47,7 @@ struct lxc_command {
struct lxc_answer answer;
};
extern pid_t get_init_pid(const char *name);
extern int lxc_command(const char *name, struct lxc_command *command,
int *stopped);

28
src/lxc/lxc_attach.c
View File

@ -55,34 +55,6 @@ Options :\n\
.checker = NULL,
};
pid_t get_init_pid(const char *name)
{
struct lxc_command command = {
.request = { .type = LXC_COMMAND_PID },
};
int ret, stopped = 0;
ret = lxc_command(name, &command, &stopped);
if (ret < 0 && stopped) {
ERROR("'%s' is not running", name);
return -1;
}
if (ret < 0) {
ERROR("failed to send command");
return -1;
}
if (command.answer.ret) {
ERROR("failed to retrieve the init pid: %s",
strerror(-command.answer.ret));
return -1;
}
return command.answer.pid;
}
int main(int argc, char *argv[], char *envp[])
{
int ret;