/var/lib/pcp/testsuite/src/tstate.c is in pcp-testsuite 3.9.10.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 | #include <stdio.h>
#include <stdlib.h>
#include <pcp/trace.h>
int
tracestate(int flag)
{
int tmp = pmtracestate(0);
int var;
tmp |= flag;
var = pmtracestate(tmp);
fprintf(stderr, "tstate: state now is 0x%x\n", tmp);
return var;
}
int
main(int argc, char **argv)
{
int sts;
if (argc != 2) {
fprintf(stderr, "tstate: takes one argument.\n");
exit(1);
}
/*
* this exercises the state setting routine in libpcp_trace,
* particularly the async protocol flag setting, since this
* is a little more involved.
*/
if (argv[1][0] == '1') {
fprintf(stderr, "--- Test 1 ---\n");
tracestate(PMTRACE_STATE_API);
tracestate(PMTRACE_STATE_PDU | PMTRACE_STATE_PDUBUF);
sts = pmtracepoint("tstate1"); /* no longer able to change protocol */
if (sts < 0) {
fprintf(stderr, "tstate pmtracepoint: %s\n", pmtraceerrstr(sts));
exit(1);
}
fprintf(stderr, "state should be only ASYNC 0x%x ...\n", PMTRACE_STATE_ASYNC);
tracestate(PMTRACE_STATE_ASYNC);
}
else if (argv[1][0] == '2') {
fprintf(stderr, "--- Test 2 ---\n");
tracestate(PMTRACE_STATE_ASYNC);
fprintf(stderr, "state should be same as previous ...\n");
tracestate(PMTRACE_STATE_ASYNC);
}
else if (argv[1][0] == '3') {
fprintf(stderr, "--- Test 3 ---\n");
pmtracepoint("tstate3");
fprintf(stderr, "state change should fail ... ");
if ((sts = pmtracestate(PMTRACE_STATE_ASYNC)) < 0)
fprintf(stderr, "OK\n");
else
fprintf(stderr, "urk - non-negative returned (%d)!\n", sts);
}
else if (argv[1][0] == '4') {
fprintf(stderr, "--- Test 4 ---\n");
tracestate(PMTRACE_STATE_ASYNC|PMTRACE_STATE_API);
sts = pmtracepoint("tstate4");
if (sts < 0) {
fprintf(stderr, "tstate pmtracepoint: %s\n", pmtraceerrstr(sts));
exit(1);
}
fprintf(stderr, "change to async only (0x%x)...\n", PMTRACE_STATE_ASYNC);
tracestate(PMTRACE_STATE_ASYNC);
}
else {
fprintf(stderr, "Don't know what to do with \"%s\"\n", argv[1]);
exit(1);
}
exit(0);
}
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