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// SPDX-License-Identifier: BSL-1.0
#define CATCH_CONFIG_RUNNER
#define CATCH_CONFIG_NO_POSIX_SIGNALS
#ifndef BUNDLED_CATCH2
#ifdef CATCH3
#include "catch2/catch_all.hpp"
#else
#include "catch2/catch.hpp"
#endif
#else
#include "catch.hpp"
#endif
#include <sys/resource.h>
#include <sys/wait.h>
#include <signal.h>
#ifdef __linux__
#include <sys/prctl.h>
#endif
int main( int argc, char* argv[] ) {
rlimit lim;
getrlimit(RLIMIT_CORE, &lim);
lim.rlim_cur = 0;
setrlimit(RLIMIT_CORE, &lim);
#ifdef __linux__
// For linux setting the rlimit is not enough to avoid core dump processing when
// the /proc/sys/kernel/core_pattern is a pipe. In that case only PR_SET_DUMPABLE
// reliably disables core dump processing.
// But debugging is harder with dumpable=0, so check first if this system has the
// problem.
bool needPrctl = false;
pid_t pid = fork();
if (pid == -1) {
perror("fork");
return 2;
}
if (pid) {
siginfo_t info;
errno = 0;
int r = waitid(P_ALL, 0, &info, WEXITED | WSTOPPED | WCONTINUED);
if (r != 0) {
perror("waitid");
return 2;
}
if (info.si_pid != pid || info.si_status != SIGSEGV) {
puts("Error in linux coredump check, exiting");
return 2;
}
if (info.si_code == CLD_DUMPED) {
needPrctl = true;
}
} else {
int *p = (int*)32;
*p = 42;
_exit(99);
}
if (needPrctl) {
if (prctl(PR_SET_DUMPABLE, 0) < 0) {
perror("can't prctl(PR_SET_DUMPABLE)");
exit(2);
}
}
#endif
printf("NSIG: %d, SIGRTMAX: %d\n", NSIG,
#ifdef SIGRTMAX
SIGRTMAX
#else
-1
#endif
);
// Reset signal handling state to all default and nothing blocked
sigset_t newmask, oldmask;
sigemptyset(&newmask);
sigprocmask(SIG_SETMASK, &newmask, &oldmask);
for (int i = 1; i < NSIG; i++) {
signal(i, SIG_DFL);
if (sigismember(&oldmask, i)) {
printf("signal masked %d\n", i);
}
}
// Stash away stderr somewhere to go around redirections in test framework.
dup2(1, 55);
return Catch::Session().run( argc, argv );
}
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