Leaked source code of windows server 2003
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150 lines
4.6 KiB

#include <windows.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define MAX_WAIT_HANDLES MAXIMUM_WAIT_OBJECTS
__cdecl
main (c, v)
int c;
char *v[];
{
HANDLE hEvents[ 4 * MAX_WAIT_HANDLES ];
char *EventNames[ 4 * MAX_WAIT_HANDLES ];
char *s;
ULONG nEvents, dwWaitResult;
BOOLEAN fWaitAny = FALSE;
BOOLEAN fWait = FALSE;
BOOLEAN fVerbose = FALSE;
BOOLEAN fUsage = TRUE;
nEvents = 0;
while (--c) {
s = *++v;
if (!_stricmp( s, "-a" )) {
fWaitAny = TRUE;
fWait = TRUE;
}
else
if (!_stricmp( s, "-w" ))
fWait = TRUE;
else
if (!_stricmp( s, "-v" ))
fVerbose = TRUE;
else
if (nEvents == (4 * MAX_WAIT_HANDLES)) {
fprintf( stderr, "CMDEVENT: Cant wait on more than %u events.\n",
4 * MAX_WAIT_HANDLES
);
exit( -1 );
}
else {
fUsage = FALSE;
if (nEvents == MAX_WAIT_HANDLES && !fVerbose) {
fprintf( stderr, "CMDEVENT: Waiting on more than %u events. Forcing -v\n",
MAX_WAIT_HANDLES
);
fVerbose = TRUE;
}
{
char *d;
d = s;
while (*d) {
if (*d == '\\') {
*d = '_';
}
d++;
}
}
hEvents[ nEvents ] = fWait ? CreateEvent( NULL, TRUE, FALSE, s )
: OpenEvent( EVENT_ALL_ACCESS, FALSE, s );
if (hEvents[ nEvents ] == NULL) {
fprintf( stderr, "CMDEVENT: Unable to %s event named '%s' - %u\n",
fWait ? "create" : "open",
s,
GetLastError()
);
exit( -1 );
break;
}
else
if (!fWait) {
if (!SetEvent( hEvents[ nEvents ] )) {
fprintf( stderr, "CMDEVENT: Unable to signal event named '%s' - %u\n",
s,
GetLastError()
);
}
}
else {
EventNames[ nEvents ] = s;
nEvents += 1;
}
}
}
if (fUsage) {
fprintf( stderr, "usage: CMDEVENT [-w] [-v] EventName(s)...\n" );
exit( -1 );
}
else
if (fWait) {
if (fVerbose) {
fprintf( stderr, "\nWaiting for %u events:", nEvents );
fflush( stderr );
}
while (nEvents) {
dwWaitResult = WaitForMultipleObjects( nEvents > MAX_WAIT_HANDLES ?
MAX_WAIT_HANDLES :
nEvents,
hEvents,
FALSE,
INFINITE
);
if (dwWaitResult == WAIT_FAILED) {
fprintf( stderr, "\nCMDEVENT: Unable to wait for event(s) - %u\n",
GetLastError()
);
exit( -1 );
}
else
if (dwWaitResult < nEvents) {
CloseHandle( hEvents[ dwWaitResult ] );
if (fVerbose) {
fprintf( stderr, " %s", EventNames[ dwWaitResult ] );
fflush( stderr );
}
if (fWaitAny) {
exit( dwWaitResult+1 );
}
nEvents -= 1;
if (dwWaitResult < nEvents) {
memmove( &hEvents[ dwWaitResult ],
&hEvents[ dwWaitResult+1 ],
(nEvents - dwWaitResult + 1) * sizeof( hEvents[ 0 ] )
);
memmove( &EventNames[ dwWaitResult ],
&EventNames[ dwWaitResult+1 ],
(nEvents - dwWaitResult + 1) * sizeof( EventNames[ 0 ] )
);
}
}
}
if (fVerbose) {
fprintf( stderr, "\n" );
}
}
exit( 0 );
return( 0 );
}