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Changed the signal handling code so that handle_signals() can be called without

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having the thread lock held and interrupts disabled.
Cleaned up the signal handling code, and fixed some minor bugs with blockable
vs. non-blockable signals.
thread_debug_info was using uint64 for signals sets instead of sigset_t.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@14457 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2005-10-20 16:56:04 +00:00
parent 7121425eb5
commit 50374cbdca
5 changed files with 159 additions and 184 deletions
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headers/private/kernel/ksignal.h
+5 -5
View File
@@ -11,29 +11,29 @@
#define KILL_SIGNALS ((1L << (SIGKILL - 1)) | (1L << (SIGKILLTHR - 1)))
#define BLOCKABLE_SIGS (~(KILL_SIGNALS | (1L << (SIGSTOP - 1))))
#ifdef __cplusplus
extern "C" {
#endif
extern int handle_signals(struct thread *t, cpu_status *state);
extern bool handle_signals(struct thread *thread);
extern bool is_kill_signal_pending(void);
extern int has_signals_pending(void *_thread);
extern int sigaction_etc(thread_id threadID, int signal,
const struct sigaction *act, struct sigaction *oact);
const struct sigaction *act, struct sigaction *oldAction);
extern int _user_send_signal(pid_t tid, uint sig);
extern int _user_sigprocmask(int how, const sigset_t *set, sigset_t *oldSet);
extern int _user_sigaction(int sig, const struct sigaction *action, struct sigaction *oldAction);
extern int _user_sigaction(int sig, const struct sigaction *action,
struct sigaction *oldAction);
extern bigtime_t _user_set_alarm(bigtime_t time, uint32 mode);
extern int _user_sigsuspend(const sigset_t *mask);
extern int _user_sigpending(sigset_t *set);
#ifdef __cplusplus
} // extern "C"
}
#endif
#endif /* _KERNEL_SIGNAL_H */
headers/private/kernel/user_debugger.h
+2 -2
View File
@@ -55,9 +55,9 @@ struct thread_debug_info {
port_id debug_port;
// the port the thread is waiting on for commands from the nub thread
uint64 ignore_signals;
sigset_t ignore_signals;
// the signals the debugger is not interested in
uint64 ignore_signals_once;
sigset_t ignore_signals_once;
// the signals the debugger wishes not to be notified of, when they
// occur the next time