Getting Started with QNX Neutrino - QNX Software Systems

© 2009, QNX Software Systems GmbH & Co. KG. tp1.c
}
}
fprintf (stderr, "Table empty, message from rcvid %d ignored, "
"client blocked\n", rcvid);
break;
tp1.c
For more information about this program, see “Controlling the number of threads” in
the Processes and Threads chapter.
/*
* tp1.c
*
* Thread Pool Example (1)
*
* 1999 06 26 R. Krten
*/
#include
#include
#include
#include
#include
char *progname = "tp1";
void
tag (char *name)
{
time_t t;
char buffer [BUFSIZ];
time (&t);
strftime (buffer, BUFSIZ, "%T ", localtime (&t));
printf ("%s %3d %-20.20s: ", buffer, pthread_self (), name);
}
THREAD_POOL_PARAM_T *
blockfunc (THREAD_POOL_PARAM_T *ctp)
{
tag ("blockfunc"); printf ("ctp %p\n", ctp);
tag ("blockfunc"); printf ("sleep (%d);\n", 15 * pthread_self ());
sleep (pthread_self () * 15);
tag ("blockfunc"); printf ("done sleep\n");
tag ("blockfunc"); printf ("returning 0x%08X\n", 0x10000000 + pthread_self ());
return ((void *) (0x10000000 + pthread_self ())); // passed to handlerfunc
}
THREAD_POOL_PARAM_T *
contextalloc (THREAD_POOL_HANDLE_T *handle)
{
tag ("contextalloc"); printf ("handle %p\n", handle);
tag ("contextalloc"); printf ("returning 0x%08X\n", 0x20000000 + pthread_self ());
return ((void *) (0x20000000 + pthread_self ())); // passed to blockfunc
}
void
April 30, 2009 Appendix: C • Sample Programs 321