wepoll/src/init.c
2018-11-26 16:43:01 -07:00

41 lines
1.1 KiB
C

#include <stdbool.h>
#include "afd.h"
#include "api.h"
#include "init.h"
#include "nt.h"
#include "reflock.h"
#include "util.h"
#include "ws.h"
static bool init__done = false;
static INIT_ONCE init__once = INIT_ONCE_STATIC_INIT;
static BOOL CALLBACK init__once_callback(INIT_ONCE* once,
void* parameter,
void** context) {
unused_var(once);
unused_var(parameter);
unused_var(context);
/* N.b. that initialization order matters here. */
if (ws_global_init() < 0 || nt_global_init() < 0 ||
reflock_global_init() < 0 || epoll_global_init() < 0)
return FALSE;
init__done = true;
return TRUE;
}
int init(void) {
if (!init__done &&
!InitOnceExecuteOnce(&init__once, init__once_callback, NULL, NULL))
/* `InitOnceExecuteOnce()` itself is infallible, and it doesn't set any
* error code when the once-callback returns FALSE. We return -1 here to
* indicate that global initialization failed; the failing init function is
* resposible for setting `errno` and calling `SetLastError()`. */
return -1;
return 0;
}