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* Implemented sigaltstack() and set_signal_stack(), thus closing bug #1401.

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* On exec() the new function thread_reset_for_exec() is called which clears the signals
  and cancels an eventually set alarm. Both things weren't done before...
* Some minor cleanups.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@21989 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2007-08-16 18:01:47 +00:00
parent f2286d02b9
commit 0b70ea5992
13 changed files with 374 additions and 188 deletions
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headers/private/kernel/ksignal.h
+11 -8
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2003-2005, Axel Dörfler, [email protected]. All rights reserved.
* Copyright 2003-2007, Axel Dörfler, [email protected]. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _KERNEL_SIGNAL_H
@@ -22,15 +22,18 @@ 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 *oldAction);
const struct sigaction *newAction, 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 status_t _user_send_signal(pid_t tid, uint sig);
extern status_t _user_sigprocmask(int how, const sigset_t *set,
sigset_t *oldSet);
extern status_t _user_sigaction(int sig, const struct sigaction *newAction,
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);
extern status_t _user_sigsuspend(const sigset_t *mask);
extern status_t _user_sigpending(sigset_t *set);
extern status_t _user_set_signal_stack(const stack_t *newUserStack,
stack_t *oldUserStack);
#ifdef __cplusplus
}