testsem.cc File Reference

00050 {
00051   RCS_SEMAPHORE *sem;
00052 
00053 #if defined (VXWORKS)
00054   sem = new RCS_SEMAPHORE (0x100, RCS_SEMAPHORE_CREATE, 0664, 0);
00055   taskSpawn ("semtaker", 100, VX_FP_TASK, 8000, (FUNCPTR) semtaker);
00056 #else
00057   if (argc > 1)
00058     {
00059       /* any cmd line args mean this is the semaphore creator */
00060       sem = new RCS_SEMAPHORE (0x100, RCS_SEMAPHORE_CREATE, 0664, 0);
00061     }
00062   else
00063     {
00064       sem = new RCS_SEMAPHORE (0x100, RCS_SEMAPHORE_NOCREATE);
00065     }
00066 #endif
00067 
00068   /* run give and take, interactively */
00069   while (!feof (stdin))
00070     {
00071 #define BUFFERSIZE 80
00072       char buf[BUFFERSIZE];
00073       fputs ("give, take, or quit (g/t/q)? ", stdout);
00074       fgets (buf, BUFFERSIZE, stdin);
00075 
00076       if (buf[0] == 'q')
00077         break;
00078       if (buf[0] == 'g')
00079         {
00080           /* give it */
00081           if (sem->post () == -1)
00082             {
00083               fputs ("can't give it\n", stdout);
00084             }
00085           else
00086             {
00087               fputs ("gave it\n", stdout);
00088               printf ("val = %d\n", sem->getvalue ());
00089             }
00090         }
00091       if (buf[0] == 't')
00092         {
00093           /* take it */
00094           if (sem->wait () == -1)
00095             {
00096               fputs ("can't give it\n", stdout);
00097             }
00098           else
00099             {
00100               fputs ("took it\n", stdout);
00101               printf ("val = %d\n", sem->getvalue ());
00102             }
00103         }
00104     }
00105 
00106 #if defined (VXWORKS)
00107   semtaker_done = 1;
00108 #endif
00109 
00110   delete sem;
00111 }
testsem.cc File Reference

Defines

Functions

Define Documentation

Function Documentation

Defines
#define	BUFFERSIZE 80
Functions
int	main (int argc, char **argv)