static void winbind_msg_validate_cache(struct messaging_context *msg_ctx,
void *private_data,
uint32_t msg_type,
struct server_id server_id,
DATA_BLOB *data)
{
uint8 ret;
pid_t child_pid;
struct sigaction act;
struct sigaction oldact;
DEBUG(10, ("winbindd_msg_validate_cache: got validate-cache "
"message.\n"));
/*
* call the validation code from a child:
* so we don't block the main winbindd and the validation
* code can safely use fork/waitpid...
*/
CatchChild();
child_pid = sys_fork();
if (child_pid == -1) {
DEBUG(1, ("winbind_msg_validate_cache: Could not fork: %s\n",
strerror(errno)));
return;
}
if (child_pid != 0) {
/* parent */
DEBUG(5, ("winbind_msg_validate_cache: child created with "
"pid %d.\n", (int)child_pid));
return;
}
/* child */
/* install default SIGCHLD handler: validation code uses fork/waitpid */
ZERO_STRUCT(act);
act.sa_handler = SIG_DFL;
#ifdef SA_RESTART
/* We *want* SIGALRM to interrupt a system call. */
act.sa_flags = SA_RESTART;
#endif
sigemptyset(&act.sa_mask);
sigaddset(&act.sa_mask,SIGCHLD);
sigaction(SIGCHLD,&act,&oldact);
ret = (uint8)winbindd_validate_cache_nobackup();
DEBUG(10, ("winbindd_msg_validata_cache: got return value %d\n", ret));
messaging_send_buf(msg_ctx, server_id, MSG_WINBIND_VALIDATE_CACHE, &ret,
(size_t)1);
_exit(0);
}
static void winbind_msg_validate_cache(struct messaging_context *msg_ctx,
void *private_data,
uint32_t msg_type,
struct server_id server_id,
DATA_BLOB *data)
{
uint8 ret;
pid_t child_pid;
NTSTATUS status;
DEBUG(10, ("winbindd_msg_validate_cache: got validate-cache "
"message.\n"));
/*
* call the validation code from a child:
* so we don't block the main winbindd and the validation
* code can safely use fork/waitpid...
*/
child_pid = sys_fork();
if (child_pid == -1) {
DEBUG(1, ("winbind_msg_validate_cache: Could not fork: %s\n",
strerror(errno)));
return;
}
if (child_pid != 0) {
/* parent */
DEBUG(5, ("winbind_msg_validate_cache: child created with "
"pid %d.\n", (int)child_pid));
return;
}
/* child */
status = winbindd_reinit_after_fork(NULL, NULL);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("winbindd_reinit_after_fork failed: %s\n",
nt_errstr(status)));
_exit(0);
}
/* install default SIGCHLD handler: validation code uses fork/waitpid */
CatchSignal(SIGCHLD, SIG_DFL);
ret = (uint8)winbindd_validate_cache_nobackup();
DEBUG(10, ("winbindd_msg_validata_cache: got return value %d\n", ret));
messaging_send_buf(msg_ctx, server_id, MSG_WINBIND_VALIDATE_CACHE, &ret,
(size_t)1);
_exit(0);
}
