rpc.subproj/pmap_wakeup.c

   1 #include <sys/socket.h>
   2 #include <sys/un.h>
   3 #include <string.h>
   4 #include <unistd.h>
   5 #include <stdbool.h>
   6
   7 #include "pmap_wakeup.h"
   8
   9 int pmap_wakeup(void)
  10 {
  11         struct sockaddr_un sun;
  12         int fd;
  13         char b;
  14
  15         memset(&sun, 0, sizeof(sun));
  16
  17         sun.sun_family = AF_UNIX;
  18         strcpy(sun.sun_path, "/var/run/portmap.socket");
  19
  20         fd = socket(AF_UNIX, SOCK_STREAM, 0);
  21         if (fd == -1)
  22                 return -1;
  23
  24         if (connect(fd, (struct sockaddr *)&sun, sizeof(sun)) == -1) {
  25                 close(fd);
  26                 return -1;
  27         }
  28
  29         read(fd, &b, sizeof(b));
  30         close(fd);
  31         return 0;
  32 }