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 __FORCE_GLIBC
  34. #include <features.h>
  35. #include <errno.h>
  36. #include <unistd.h>
  37. #include <sys/poll.h>
  38. #include <rpc/rpc.h>
  39. /* libc_hidden_proto(perror) */
  40. /* libc_hidden_proto(svc_getreq_poll) */
  41. /* libc_hidden_proto(poll) */
  42. /* used by svc_[max_]pollfd */
  43. /* libc_hidden_proto(__rpc_thread_svc_pollfd) */
  44. /* libc_hidden_proto(__rpc_thread_svc_max_pollfd) */
  45. /* This function can be used as a signal handler to terminate the
  46. server loop. */
  47. void
  48. svc_exit (void)
  49. {
  50. free (svc_pollfd);
  51. svc_pollfd = NULL;
  52. svc_max_pollfd = 0;
  53. }
  54. void
  55. svc_run (void)
  56. {
  57. int i;
  58. for (;;)
  59. {
  60. struct pollfd *my_pollfd;
  61. if (svc_max_pollfd == 0 && svc_pollfd == NULL)
  62. return;
  63. my_pollfd = malloc (sizeof (struct pollfd) * svc_max_pollfd);
  64. for (i = 0; i < svc_max_pollfd; ++i)
  65. {
  66. my_pollfd[i].fd = svc_pollfd[i].fd;
  67. my_pollfd[i].events = svc_pollfd[i].events;
  68. my_pollfd[i].revents = 0;
  69. }
  70. switch (i = poll (my_pollfd, svc_max_pollfd, -1))
  71. {
  72. case -1:
  73. free (my_pollfd);
  74. if (errno == EINTR)
  75. continue;
  76. perror (_("svc_run: - poll failed"));
  77. return;
  78. case 0:
  79. free (my_pollfd);
  80. continue;
  81. default:
  82. svc_getreq_poll (my_pollfd, i);
  83. free (my_pollfd);
  84. }
  85. }
  86. }