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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/arch/thread.h
+9 -4
View File
@@ -21,10 +21,13 @@ status_t arch_team_init_team_struct(struct team *t, bool kernel);
status_t arch_thread_init_thread_struct(struct thread *t);
status_t arch_thread_init_tls(struct thread *thread);
void arch_thread_context_switch(struct thread *t_from, struct thread *t_to);
status_t arch_thread_init_kthread_stack(struct thread *t, int (*start_func)(void), void (*entry_func)(void), void (*exit_func)(void));
status_t arch_thread_init_kthread_stack(struct thread *t,
int (*start_func)(void), void (*entry_func)(void), void (*exit_func)(void));
void arch_thread_dump_info(void *info);
status_t arch_thread_enter_userspace(struct thread *t, addr_t entry, void *args1, void *args2);
void arch_thread_switch_kstack_and_call(struct thread *t, addr_t new_kstack, void (*func)(void *), void *arg);
status_t arch_thread_enter_userspace(struct thread *t, addr_t entry,
void *args1, void *args2);
void arch_thread_switch_kstack_and_call(struct thread *t, addr_t new_kstack,
void (*func)(void *), void *arg);
// ToDo: doing this this way is an ugly hack - please fix me!
// (those functions are "static inline" for x86 - since
@@ -34,7 +37,9 @@ struct thread *arch_thread_get_current_thread(void);
void arch_thread_set_current_thread(struct thread *t);
#endif
status_t arch_setup_signal_frame(struct thread *t, struct sigaction *sa, int sig, int sig_mask);
bool arch_on_signal_stack(struct thread *thread);
status_t arch_setup_signal_frame(struct thread *t, struct sigaction *sa,
int signal, int signalMask);
int64 arch_restore_signal_frame(void);
void arch_check_syscall_restart(struct thread *t);