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https://github.com/RGBCube/serenity
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Some improvements to signals.
- Add sigprocmask() and sigpending(). - Forked children inherit signal dispositions and masks. - Exec clears signal dispositions and masks.
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parent
c97a5862ce
commit
6a0a2c9ab4
7 changed files with 60 additions and 4 deletions
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@ -71,6 +71,18 @@ int sigismember(const sigset_t* set, int sig)
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return 0;
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}
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int sigprocmask(int how, const sigset_t* set, sigset_t* old_set)
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{
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int rc = Syscall::invoke(Syscall::SC_sigprocmask, (dword)how, (dword)set, (dword)old_set);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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int sigpending(sigset_t* set)
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{
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int rc = Syscall::invoke(Syscall::SC_sigpending, (dword)set);
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__RETURN_WITH_ERRNO(rc, rc, -1);
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}
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const char* sys_siglist[NSIG] = {
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#undef __SIGNAL
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#define __SIGNAL(a, b) b,
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@ -78,5 +90,4 @@ const char* sys_siglist[NSIG] = {
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#undef __SIGNAL
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};
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}
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@ -29,6 +29,8 @@ int sigfillset(sigset_t*);
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int sigaddset(sigset_t*, int sig);
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int sigdelset(sigset_t*, int sig);
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int sigismember(const sigset_t*, int sig);
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int sigprocmask(int how, const sigset_t* set, sigset_t* old_set);
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int sigpending(sigset_t*);
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#define NSIG 32
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extern const char* sys_siglist[NSIG];
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@ -17,5 +17,7 @@
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#undef __P
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#define __P(a) a
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#ifdef __cplusplus
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extern "C" int main(int, char**);
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#endif
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