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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/syscalls.h
+9 -5
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@@ -110,12 +110,16 @@ extern status_t _kern_get_next_team_info(int32 *cookie, team_info *info);
extern status_t _kern_get_team_usage_info(team_id team, int32 who, team_usage_info *info, size_t size);
// signal functions
extern int _kern_send_signal(pid_t tid, uint sig);
extern int _kern_sigprocmask(int how, const sigset_t *set, sigset_t *oldSet);
extern int _kern_sigaction(int sig, const struct sigaction *action, struct sigaction *oldAction);
extern status_t _kern_send_signal(pid_t tid, uint sig);
extern status_t _kern_sigprocmask(int how, const sigset_t *set,
sigset_t *oldSet);
extern status_t _kern_sigaction(int sig, const struct sigaction *action,
struct sigaction *oldAction);
extern bigtime_t _kern_set_alarm(bigtime_t time, uint32 mode);
extern int _kern_sigsuspend(const sigset_t *mask);
extern int _kern_sigpending(sigset_t *set);
extern status_t _kern_sigsuspend(const sigset_t *mask);
extern status_t _kern_sigpending(sigset_t *set);
extern status_t _kern_set_signal_stack(const stack_t *newStack,
stack_t *oldStack);
// image functions
extern image_id _kern_register_image(image_info *info, size_t size);