#include <sys/types.h>
#include <time.h>
-#ifndef PERL
-# include <signal.h>
-#endif
+#include <signal.h>
#ifndef WIN32
# include <unistd.h>
/* note: the comment below could not be substantiated, but what would I care */
/* MSDN says this is required to handle SIGFPE */
volatile double SIGFPE_REQ = 0.0f;
+
+static int
+ev_socketpair_tcp (int filedes [2])
+{
+ struct sockaddr_in addr = { 0 };
+ int addr_size = sizeof (addr);
+ SOCKET listener;
+ SOCKET sock [2] = { -1, -1 };
+
+ if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
+ return -1;
+
+ addr.sin_family = AF_INET;
+ addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
+ addr.sin_port = 0;
+
+ if (bind (listener, (struct sockaddr *)&addr, addr_size))
+ goto fail;
+
+ if (getsockname(listener, (struct sockaddr *)&addr, &addr_size))
+ goto fail;
+
+ if (listen (listener, 1))
+ goto fail;
+
+ if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
+ goto fail;
+
+ if (connect (sock[0], (struct sockaddr *)&addr, addr_size))
+ goto fail;
+
+ if ((sock[1] = accept (listener, 0, 0)) < 0)
+ goto fail;
+
+ closesocket (listener);
+
+ filedes [0] = sock [0];
+ filedes [1] = sock [1];
+
+ return 0;
+
+fail:
+ closesocket (listener);
+
+ if (sock [0] != INVALID_SOCKET) closesocket (sock [0]);
+ if (sock [1] != INVALID_SOCKET) closesocket (sock [1]);
+
+ return -1;
+}
+
+# define ev_pipe(filedes) ev_socketpair_tcp (filedes)
+#else
+# define ev_pipe(filedes) pipe (filedes)
#endif
/*****************************************************************************/
close (sigpipe [0]);
close (sigpipe [1]);
- while (pipe (sigpipe))
+ while (ev_pipe (sigpipe))
syserr ("(libev) error creating pipe");
siginit (EV_A);
ev_default_loop (int methods)
{
if (sigpipe [0] == sigpipe [1])
- if (pipe (sigpipe))
+ if (ev_pipe (sigpipe))
return 0;
if (!default_loop)
/* for unix systems */
#ifdef WIN32
typedef unsigned int uint32_t;
+# define EV_SELECT_USE_FD_SET 1
#else
# include <sys/select.h>
# include <inttypes.h>
static void
select_modify (EV_P_ int fd, int oev, int nev)
{
- int offs = fd >> 3;
- int mask = 1 << (fd & 7);
-
if (oev == nev)
return;
- if (vec_max < (fd >> 5) + 1)
- {
- int new_max = (fd >> 5) + 1;
-
- vec_ri = (unsigned char *)ev_realloc (vec_ri, new_max * 4);
- vec_ro = (unsigned char *)ev_realloc (vec_ro, new_max * 4); /* could free/malloc */
- vec_wi = (unsigned char *)ev_realloc (vec_wi, new_max * 4);
- vec_wo = (unsigned char *)ev_realloc (vec_wo, new_max * 4); /* could free/malloc */
-
- for (; vec_max < new_max; ++vec_max)
- ((uint32_t *)vec_ri)[vec_max] =
- ((uint32_t *)vec_wi)[vec_max] = 0;
- }
-
- vec_ri [offs] |= mask;
- if (!(nev & EV_READ))
- vec_ri [offs] &= ~mask;
+#if EV_SELECT_USE_FD_SET
+ if (nev & EV_READ)
+ FD_SET (fd, (struct fd_set *)vec_ri);
+ else
+ FD_CLR (fd, (struct fd_set *)vec_ri);
- vec_wi [offs] |= mask;
- if (!(nev & EV_WRITE))
- vec_wi [offs] &= ~mask;
+ if (nev & EV_WRITE)
+ FD_SET (fd, (struct fd_set *)vec_wi);
+ else
+ FD_CLR (fd, (struct fd_set *)vec_wi);
+#else
+ {
+ int offs = fd >> 3;
+ int mask = 1 << (fd & 7);
+
+ if (vec_max < (fd >> 5) + 1)
+ {
+ int new_max = (fd >> 5) + 1;
+
+ vec_ri = (unsigned char *)ev_realloc (vec_ri, new_max * 4);
+ vec_ro = (unsigned char *)ev_realloc (vec_ro, new_max * 4); /* could free/malloc */
+ vec_wi = (unsigned char *)ev_realloc (vec_wi, new_max * 4);
+ vec_wo = (unsigned char *)ev_realloc (vec_wo, new_max * 4); /* could free/malloc */
+
+ for (; vec_max < new_max; ++vec_max)
+ ((uint32_t *)vec_ri)[vec_max] =
+ ((uint32_t *)vec_wi)[vec_max] = 0;
+ }
+
+ vec_ri [offs] |= mask;
+ if (!(nev & EV_READ))
+ vec_ri [offs] &= ~mask;
+
+ vec_wi [offs] |= mask;
+ if (!(nev & EV_WRITE))
+ vec_wi [offs] &= ~mask;
+ }
+#endif
}
static void
struct timeval tv;
int res;
+#if EV_SELECT_USE_FD_SET
+ memcpy (vec_ro, vec_ri, sizeof (struct fd_set));
+ memcpy (vec_wo, vec_wi, sizeof (struct fd_set));
+#else
memcpy (vec_ro, vec_ri, vec_max * 4);
memcpy (vec_wo, vec_wi, vec_max * 4);
+#endif
tv.tv_sec = (long)timeout;
tv.tv_usec = (long)((timeout - (ev_tstamp)tv.tv_sec) * 1e6);
if (res < 0)
{
+#ifdef WIN32
+ if (errno == WSAEINTR ) errno = EINTR;
+ if (errno == WSAENOTSOCK) errno = EBADF;
+#endif
+
if (errno == EBADF)
fd_ebadf (EV_A);
else if (errno == ENOMEM && !syserr_cb)
return;
}
+#if EV_SELECT_USE_FD_SET
+ for (word = 0; word < FD_SETSIZE; ++word)
+ {
+ int events = 0;
+ if (FD_ISSET (word, (struct fd_set *)vec_ro)) events |= EV_READ;
+ if (FD_ISSET (word, (struct fd_set *)vec_wo)) events |= EV_WRITE;
+
+ if (events)
+ fd_event (EV_A_ word, events);
+ }
+#else
for (word = vec_max; word--; )
{
if (((uint32_t *)vec_ro) [word] | ((uint32_t *)vec_wo) [word])
}
}
}
+#endif
}
static int
method_modify = select_modify;
method_poll = select_poll;
+#if EV_SELECT_USE_FD_SET
+ vec_max = FD_SETSIZE / 32;
+ vec_ri = ev_malloc (sizeof (struct fd_set)); FD_ZERO ((struct fd_set *)vec_ri);
+ vec_ro = ev_malloc (sizeof (struct fd_set));
+ vec_wi = ev_malloc (sizeof (struct fd_set)); FD_ZERO ((struct fd_set *)vec_wi);
+ vec_wo = ev_malloc (sizeof (struct fd_set));
+#else
vec_max = 0;
vec_ri = 0;
vec_ri = 0;
vec_wo = 0;
vec_wo = 0;
+#endif
return EVMETHOD_SELECT;
}