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42 lines
955 B
C
42 lines
955 B
C
/*
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* Test attaching GDB to a running process.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include <assert.h>
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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static const char *phase = "start";
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int main(void)
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{
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sigset_t set;
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int sig;
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assert(sigfillset(&set) == 0);
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assert(sigprocmask(SIG_BLOCK, &set, NULL) == 0);
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/* Let GDB know it can send SIGUSR1. */
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phase = "sigwait";
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if (getenv("LATE_ATTACH_PY")) {
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assert(sigwait(&set, &sig) == 0);
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if (sig != SIGUSR1) {
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fprintf(stderr, "Unexpected signal %d\n", sig);
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return EXIT_FAILURE;
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}
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}
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/* Check that the guest does not see host_interrupt_signal. */
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assert(sigpending(&set) == 0);
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for (sig = 1; sig < NSIG; sig++) {
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if (sigismember(&set, sig)) {
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fprintf(stderr, "Unexpected signal %d\n", sig);
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return EXIT_FAILURE;
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}
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}
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return EXIT_SUCCESS;
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}
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