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LibC: Implement sigwaitinfo()

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This is implemented as a simple wrapper around sigtimedwait()
This commit is contained in:
Idan Horowitz 2021-12-12 01:02:08 +02:00
parent 762e047ec9
commit 640844c965
2 changed files with 7 additions and 0 deletions
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6
Userland/Libraries/LibC/signal.cpp
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@ -163,6 +163,12 @@ int sigsuspend(const sigset_t* set)
return pselect(0, nullptr, nullptr, nullptr, nullptr, set); return pselect(0, nullptr, nullptr, nullptr, nullptr, set);
} }
// https://pubs.opengroup.org/onlinepubs/9699919799/functions/sigwaitinfo.html
int sigwaitinfo(sigset_t const* set, siginfo_t* info)
{
return sigtimedwait(set, info, nullptr);
}
int sigtimedwait(sigset_t const* set, siginfo_t* info, struct timespec const* timeout) int sigtimedwait(sigset_t const* set, siginfo_t* info, struct timespec const* timeout)
{ {
int rc = syscall(Syscall::SC_sigtimedwait, set, info, timeout); int rc = syscall(Syscall::SC_sigtimedwait, set, info, timeout);

1
Userland/Libraries/LibC/signal.h
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@ -28,6 +28,7 @@ int sigprocmask(int how, const sigset_t* set, sigset_t* old_set);
int sigpending(sigset_t*); int sigpending(sigset_t*);
int sigsuspend(const sigset_t*); int sigsuspend(const sigset_t*);
int sigtimedwait(sigset_t const*, siginfo_t*, struct timespec const*); int sigtimedwait(sigset_t const*, siginfo_t*, struct timespec const*);
int sigwaitinfo(sigset_t const*, siginfo_t*);
int raise(int sig); int raise(int sig);
int getsignalbyname(const char*); int getsignalbyname(const char*);
const char* getsignalname(int); const char* getsignalname(int);