svc_run.c 2.5 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. #define svc_getreq_poll __svc_getreq_poll
  34. /* used by svc_[max_]pollfd */
  35. #define __rpc_thread_svc_pollfd __rpc_thread_svc_pollfd_internal
  36. #define __rpc_thread_svc_max_pollfd __rpc_thread_svc_max_pollfd_internal
  37. #define __FORCE_GLIBC
  38. #define _GNU_SOURCE
  39. #include <features.h>
  40. #include <errno.h>
  41. #include <unistd.h>
  42. #include <sys/poll.h>
  43. #include <rpc/rpc.h>
  44. /* This function can be used as a signal handler to terminate the
  45. server loop. */
  46. void
  47. svc_exit (void)
  48. {
  49. free (svc_pollfd);
  50. svc_pollfd = NULL;
  51. svc_max_pollfd = 0;
  52. }
  53. void
  54. svc_run (void)
  55. {
  56. int i;
  57. for (;;)
  58. {
  59. struct pollfd *my_pollfd;
  60. if (svc_max_pollfd == 0 && svc_pollfd == NULL)
  61. return;
  62. my_pollfd = malloc (sizeof (struct pollfd) * svc_max_pollfd);
  63. for (i = 0; i < svc_max_pollfd; ++i)
  64. {
  65. my_pollfd[i].fd = svc_pollfd[i].fd;
  66. my_pollfd[i].events = svc_pollfd[i].events;
  67. my_pollfd[i].revents = 0;
  68. }
  69. switch (i = poll (my_pollfd, svc_max_pollfd, -1))
  70. {
  71. case -1:
  72. free (my_pollfd);
  73. if (errno == EINTR)
  74. continue;
  75. __perror (_("svc_run: - poll failed"));
  76. return;
  77. case 0:
  78. free (my_pollfd);
  79. continue;
  80. default:
  81. svc_getreq_poll (my_pollfd, i);
  82. free (my_pollfd);
  83. }
  84. }
  85. }