add "ok=sigpipe" to test_must_fail and use it to fix flaky tests

[git] / sigchain.h

#ifndef SIGCHAIN_H
#define SIGCHAIN_H

typedef void (*sigchain_fun)(int);

int sigchain_push(int sig, sigchain_fun f);
int sigchain_pop(int sig);

void sigchain_push_common(sigchain_fun f);

#endif /* SIGCHAIN_H */