svc_run.c 2.3 KB

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  1. /*
  2. * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
  3. * unrestricted use provided that this legend is included on all tape
  4. * media and as a part of the software program in whole or part. Users
  5. * may copy or modify Sun RPC without charge, but are not authorized
  6. * to license or distribute it to anyone else except as part of a product or
  7. * program developed by the user.
  8. *
  9. * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
  10. * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
  11. * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
  12. *
  13. * Sun RPC is provided with no support and without any obligation on the
  14. * part of Sun Microsystems, Inc. to assist in its use, correction,
  15. * modification or enhancement.
  16. *
  17. * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
  18. * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
  19. * OR ANY PART THEREOF.
  20. *
  21. * In no event will Sun Microsystems, Inc. be liable for any lost revenue
  22. * or profits or other special, indirect and consequential damages, even if
  23. * Sun has been advised of the possibility of such damages.
  24. *
  25. * Sun Microsystems, Inc.
  26. * 2550 Garcia Avenue
  27. * Mountain View, California 94043
  28. */
  29. /*
  30. * This is the rpc server side idle loop
  31. * Wait for input, call server program.
  32. */
  33. #include <errno.h>
  34. #include <unistd.h>
  35. #include <sys/poll.h>
  36. #include "rpc_private.h"
  37. /* used by svc_[max_]pollfd */
  38. /* This function can be used as a signal handler to terminate the
  39. server loop. */
  40. void
  41. svc_exit (void)
  42. {
  43. free (svc_pollfd);
  44. svc_pollfd = NULL;
  45. svc_max_pollfd = 0;
  46. }
  47. void
  48. svc_run (void)
  49. {
  50. int i;
  51. for (;;)
  52. {
  53. struct pollfd *my_pollfd;
  54. if (svc_max_pollfd == 0 && svc_pollfd == NULL)
  55. return;
  56. my_pollfd = malloc (sizeof (struct pollfd) * svc_max_pollfd);
  57. for (i = 0; i < svc_max_pollfd; ++i)
  58. {
  59. my_pollfd[i].fd = svc_pollfd[i].fd;
  60. my_pollfd[i].events = svc_pollfd[i].events;
  61. my_pollfd[i].revents = 0;
  62. }
  63. switch (i = poll (my_pollfd, svc_max_pollfd, -1))
  64. {
  65. case -1:
  66. free (my_pollfd);
  67. if (errno == EINTR)
  68. continue;
  69. perror ("svc_run: - poll failed");
  70. return;
  71. case 0:
  72. free (my_pollfd);
  73. continue;
  74. default:
  75. svc_getreq_poll (my_pollfd, i);
  76. free (my_pollfd);
  77. }
  78. }
  79. }