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lib: add inherit_fd

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It is already present in CLI and RPC, so libcriu should reflect it too.

travis-ci: success for lib: add inherit_fd
Signed-off-by: Ruslan Kuprieiev <rkuprieiev@cloudlinux.com>
Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
This commit is contained in:
Ruslan Kuprieiev 2016-10-13 16:07:00 +03:00 • committed by Pavel Emelyanov
parent 6178668e6a
commit 4f329dd4b2
2 changed files with 43 additions and 0 deletions
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41
lib/c/criu.c
View file

@ -799,6 +799,47 @@ int criu_add_irmap_path(char *path)
return criu_local_add_irmap_path(global_opts, path);
}
int criu_local_add_inherit_fd(criu_opts *opts, int fd, char *key)
{
int nr;
InheritFd **a, *f;
/* Inheriting is only supported with swrk mode */
if (opts->service_comm != CRIU_COMM_BIN)
return -1;
f = malloc(sizeof(*f));
if (!f)
goto er;
inherit_fd__init(f);
f->fd = fd;
f->key = strdup(key);
if (!f->key)
goto er_f;
nr = opts->rpc->n_inherit_fd + 1;
a = realloc(opts->rpc->inherit_fd, nr * sizeof(f));
if (!a)
goto err_k;
a[nr - 1] = f;
opts->rpc->inherit_fd = a;
opts->rpc->n_inherit_fd = nr;
return 0;
err_k:
free(f->key);
er_f:
free(f);
er:
return -ENOMEM;
}
int criu_add_inherit_fd(int fd, char *key)
{
return criu_local_add_inherit_fd(global_opts, fd, key);
}
static CriuResp *recv_resp(int socket_fd)
{
unsigned char *buf = NULL;

2
lib/c/criu.h
View file

@ -92,6 +92,7 @@ int criu_add_enable_fs(char *fs);
int criu_add_skip_mnt(char *mnt);
void criu_set_ghost_limit(unsigned int limit);
int criu_add_irmap_path(char *path);
int criu_add_inherit_fd(int fd, char *key);
/*
* The criu_notify_arg_t na argument is an opaque
@ -200,6 +201,7 @@ int criu_local_add_irmap_path(criu_opts *opts, char *path);
int criu_local_add_cg_props(criu_opts *opts, char *stream);
int criu_local_add_cg_props_file(criu_opts *opts, char *path);
int criu_local_add_cg_dump_controller(criu_opts *opts, char *name);
int criu_local_add_inherit_fd(criu_opts *opts, int fd, char *key);
void criu_local_set_notify_cb(criu_opts *opts, int (*cb)(char *action, criu_notify_arg_t na));