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Some improvements to signals.

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- Add sigprocmask() and sigpending().
- Forked children inherit signal dispositions and masks.
- Exec clears signal dispositions and masks.
This commit is contained in:
Andreas Kling 2018-11-10 23:29:07 +01:00
parent c97a5862ce
commit 6a0a2c9ab4
7 changed files with 60 additions and 4 deletions
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4
Kernel/Process.h
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@ -159,6 +159,8 @@ public:
int sys$dup(int oldfd);
int sys$dup2(int oldfd, int newfd);
int sys$sigaction(int signum, const Unix::sigaction* act, Unix::sigaction* old_act);
int sys$sigprocmask(int how, const Unix::sigset_t* set, Unix::sigset_t* old_set);
int sys$sigpending(Unix::sigset_t*);
int sys$getgroups(int size, gid_t*);
int sys$setgroups(size_t, const gid_t*);
@ -247,7 +249,7 @@ private:
size_t m_max_open_file_descriptors { 16 };
SignalActionData m_signal_action_data[32];
dword m_pending_signals { 0 };
dword m_signal_mask { 0 };
dword m_signal_mask { 0xffffffff };
byte m_termination_status { 0 };
byte m_termination_signal { 0 };