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Kernel+LibC: Implement sigtimedwait()

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This includes a new Thread::Blocker called SignalBlocker which blocks
until a signal of a matching type is pending. The current Blocker
implementation in the Kernel is very complicated, but cleaning it up is
a different yak for a different day.
This commit is contained in:
Idan Horowitz 2021-12-12 01:01:42 +02:00
parent 13d98999b7
commit 762e047ec9
8 changed files with 120 additions and 0 deletions
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Userland/Libraries/LibC/signal.h
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@ -27,6 +27,7 @@ int sigismember(const sigset_t*, int sig);
int sigprocmask(int how, const sigset_t* set, sigset_t* old_set);
int sigpending(sigset_t*);
int sigsuspend(const sigset_t*);
int sigtimedwait(sigset_t const*, siginfo_t*, struct timespec const*);
int raise(int sig);
int getsignalbyname(const char*);
const char* getsignalname(int);