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Added the ability to break into the program when using the gdb proxy.

This commit is contained in:
David Welch 2005-05-24 10:11:37 +00:00 committed by Alexandre Julliard
parent cd80c487f5
commit ccafccebf0
1 changed files with 51 additions and 1 deletions
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52
programs/winedbg/gdbproxy.c
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@ -606,13 +606,63 @@ static void resume_debuggee_thread(struct gdb_context* gdbctx, unsigned long
fprintf(stderr, "Cannot find last thread\n");
}
static BOOL check_for_interrupt(struct gdb_context* gdbctx)
{
struct pollfd pollfd;
int ret;
char pkt;
pollfd.fd = gdbctx->sock;
pollfd.events = POLLIN;
pollfd.revents = 0;
if ((ret = poll(&pollfd, 1, 0)) == 1) {
ret = read(gdbctx->sock, &pkt, 1);
if (ret != 1) {
if (gdbctx->trace & GDBPXY_TRC_WIN32_ERROR) {
fprintf(stderr, "read failed\n");
}
return FALSE;
}
if (pkt != '\003') {
if (gdbctx->trace & GDBPXY_TRC_COMMAND_ERROR) {
fprintf(stderr, "Unexpected break packet (%c/0x%X)\n", pkt, pkt);
}
return FALSE;
}
return TRUE;
} else if (ret == -1) {
fprintf(stderr, "poll failed\n");
}
return FALSE;
}
static void wait_for_debuggee(struct gdb_context* gdbctx)
{
DEBUG_EVENT de;
gdbctx->in_trap = FALSE;
while (WaitForDebugEvent(&de, INFINITE))
for (;;)
{
if (!WaitForDebugEvent(&de, 10))
{
if (GetLastError() == ERROR_SEM_TIMEOUT)
{
if (check_for_interrupt(gdbctx)) {
if (!DebugBreakProcess(gdbctx->process->handle)) {
if (gdbctx->trace & GDBPXY_TRC_WIN32_ERROR) {
fprintf(stderr, "Failed to break into debugee\n");
}
break;
}
WaitForDebugEvent(&de, INFINITE);
} else {
continue;
}
} else {
break;
}
}
handle_debug_event(gdbctx, &de);
assert(!gdbctx->process ||
gdbctx->process->pid == 0 ||