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/*
* Copyright (c) 2011 Ken McDonell. All Rights Reserved.
*
* exercise low-level libpcp locking primitives
*/
#include <pcp/pmapi.h>
#include <pcp/impl.h>
static void
timeout(int i, void *j)
{
fprintf(stderr, "Timeout!\n");
exit(2);
}
static void
_usage()
{
fprintf(stderr, "Usage: exerlock reqs\n");
fprintf(stderr, "reqs is a string of: i (initialize), l (lock) and u (unlock)\n");
exit(1);
}
int
main(int argc, char **argv)
{
char *p;
struct timeval delta = { 1, 0 };
if (argc != 2) _usage();
__pmAFregister(&delta, NULL, timeout);
#ifdef DBG_TRACE_DESPERATE
pmDebug |= DBG_TRACE_DESPERATE;
#endif
for (p = argv[1]; *p; p++) {
switch (*p) {
case 'i':
fprintf(stderr, "initialize\n");
PM_INIT_LOCKS();
break;
case 'l':
fprintf(stderr, "lock\n");
PM_LOCK(__pmLock_libpcp);
break;
case 'u':
fprintf(stderr, "unlock\n");
PM_UNLOCK(__pmLock_libpcp);
break;
default:
_usage();
}
}
return 0;
}
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