static int mouse_init_return_fd (char *dev, int type, int samplerate)
{
struct sigaction siga;
if (!ms.mouse_open) {
if (strcmp(dev, "") == 0)
ms.dev = "/dev/mouse";
else
ms.dev = dev;
ms.type = type & MOUSE_TYPE_MASK;
ms.modem_ctl = type & ~MOUSE_TYPE_MASK;
ms.sample = samplerate;
ms.currentinthandler = NULL;
/* Initialize mouse device. */
if (ms.type == MOUSE_NONE || ms.type < MOUSE_MICROSOFT || ms.type > MOUSE_LAST)
return -1;
if (ms_init())
return -1;
/* Install interrupt handler. */
ms.currentinthandler = mouse_int_handler;
siga.sa_handler = mouse_int_handler;
siga.sa_flags = 0;
zero_sa_mask(&(siga.sa_mask));
sigaction(SIGINT, &siga, &ms.oldsiga);
ms.mouse_open = 1;
}
return ms.fd; /* Return mouse fd. */
}
int mouse_init_return_fd(char *dev, int type, int samplerate)
{
struct sigaction siga;
if (!mouse_open) {
if (strcmp(dev, "") == 0)
m_dev = "/dev/mouse";
else
m_dev = dev;
m_type = type & MOUSE_TYPE_MASK;
m_modem_ctl = type & ~MOUSE_TYPE_MASK;
m_sample = samplerate;
currentinthandler = NULL;
/* Initialize mouse device. */
if (m_type == MOUSE_UNCONFIGURED) {
fprintf(stderr,
"Warning: you have not yet configured your mouse type. If you have no mouse,\n"
"setting the type to `none' in " SVGALIB_CONFIG_FILE " will get rid of this\n"
"annoying message.\n");
return -1;
}
if (m_type == MOUSE_NONE || m_type < MOUSE_MICROSOFT || m_type > MOUSE_LAST)
return -1;
if (ms_init())
return -1;
/* Install default mouse handler. Old coordinates are preserved. */
__svgalib_mouse_eventhandler = default_handler;
/* Install interrupt handler. */
currentinthandler = inthandler;
siga.sa_handler = inthandler;
siga.sa_flags = 0;
zero_sa_mask(&(siga.sa_mask));
sigaction(SIGINT, &siga, &oldsiga);
mouse_open = 1;
}
return __svgalib_mouse_fd; /* Return mouse fd. */
}
