test/sysmsg/sysmsg2.c

   1 /*
   2  * sysmsg2.c
   3  *
   4  * $DragonFly: src/test/sysmsg/sysmsg2.c,v 1.3 2004/09/02 11:21:12 eirikn Exp $
   5  */
   6
   7 #include <time.h>
   8
   9 #include "syscall.h"
  10
  11 __attribute__((weak))
  12
  13 int
  14 write_test(int fd, void * buf, size_t nbyte)
  15 {
  16         struct write_args writemsg;
  17         int error;
  18
  19         INITMSGSYSCALL(write, MSGF_ASYNC);
  20         writemsg.fd = fd;
  21         writemsg.buf = buf;
  22         writemsg.nbyte = nbyte;
  23         DOMSGSYSCALL(write);
  24         printf("write: error: %d\n", error);
  25         printf("write: ms_error: %d\n", writemsg.usrmsg.umsg.ms_error);
  26         printf("write: ms_result: %d\n", writemsg.usrmsg.umsg.u.ms_result);
  27         FINISHMSGSYSCALL(write, error);
  28 }
  29
  30 int
  31 nanosleep_test(const struct timespec * rqtp, struct timespec * rmtp)
  32 {
  33         struct nanosleep_args nanosleepmsg;
  34         int error;
  35
  36         INITMSGSYSCALL(nanosleep, MSGF_ASYNC);
  37         nanosleepmsg.rqtp = rqtp;
  38         nanosleepmsg.rmtp = rmtp;
  39         DOMSGSYSCALL(nanosleep);
  40         printf("nanosleep: error: %d\n", error);
  41         printf("nanosleep: ms_error: %d\n", nanosleepmsg.usrmsg.umsg.ms_error);
  42         printf("nanosleep: ms_result: %d\n", nanosleepmsg.usrmsg.umsg.u.ms_result);
  43         FINISHMSGSYSCALL(nanosleep, error);
  44 }
  45
  46 int
  47 main(void)
  48 {
  49         struct timespec ts, ts2;
  50         int error;
  51
  52         printf("test synchronous syscall msg write 'hello!', with async hint\n");
  53         printf("test ASynchronous syscall msg nanosleep for 1.5 seconds\n");
  54         printf("WARNING! super-user only, do not ^C the test program!\n");
  55         error = write_test(1, "hello!\n", 7);
  56         if (error == -1)
  57                 err(1, "write");
  58         ts.tv_sec = 1;
  59         ts.tv_nsec = 500 * 1000000;
  60         error = nanosleep_test(&ts, &ts2);
  61         if (error == -1)
  62                 err(1, "nanosleep");
  63 }