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Merged signals-merge branch into trunk with the following changes:

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* Reorganized the kernel locking related to threads and teams.
* We now discriminate correctly between process and thread signals. Signal
  handlers have been moved to teams. Fixes #5679.
* Implemented real-time signal support, including signal queuing, SA_SIGINFO
  support, sigqueue(), sigwaitinfo(), sigtimedwait(), waitid(), and the addition
  of the real-time signal range. Closes #1935 and #2695.
* Gave SIGBUS a separate signal number. Fixes #6704.
* Implemented <time.h> clock and timer support, and fixed/completed alarm() and
  [set]itimer(). Closes #5682.
* Implemented support for thread cancellation. Closes #5686.
* Moved send_signal() from <signal.h> to <OS.h>. Fixes #7554.
* Lots over smaller more or less related changes.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@42116 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold
2011-06-12 00:00:23 +00:00
parent ccd31b93f1
commit 24df65921b
235 changed files with 14975 additions and 6594 deletions
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headers/private/kernel/timer.h
+18 -3
View File
@@ -1,4 +1,4 @@
/*
/*
** Copyright 2003-2004, Axel Dörfler, [email protected]. All rights reserved.
** Distributed under the terms of the OpenBeOS License.
*/
@@ -15,8 +15,21 @@ extern "C" {
struct kernel_args;
#define B_TIMER_ACQUIRE_THREAD_LOCK 0x8000
#define B_TIMER_FLAGS B_TIMER_ACQUIRE_THREAD_LOCK
#define B_TIMER_REAL_TIME_BASE 0x2000
// For an absolute timer the given time is interpreted as a real-time, not
// as a system time. Note that setting the real-time clock will cause the
// timer to be updated -- it will expire according to the new clock.
// Relative timers are unaffected by this flag.
#define B_TIMER_USE_TIMER_STRUCT_TIMES 0x4000
// For add_timer(): Use the timer::schedule_time (absolute time) and
// timer::period values instead of the period parameter.
#define B_TIMER_ACQUIRE_SCHEDULER_LOCK 0x8000
// The timer hook is invoked with the scheduler lock held. When invoking
// cancel_timer() with the scheduler lock held, too, this helps to avoid
// race conditions.
#define B_TIMER_FLAGS \
(B_TIMER_USE_TIMER_STRUCT_TIMES | B_TIMER_ACQUIRE_SCHEDULER_LOCK \
| B_TIMER_REAL_TIME_BASE)
/* Timer info structure */
struct timer_info {
@@ -32,6 +45,8 @@ typedef struct timer_info timer_info;
/* kernel functions */
status_t timer_init(struct kernel_args *);
void timer_init_post_rtc(void);
void timer_real_time_clock_changed();
int32 timer_interrupt(void);
#ifdef __cplusplus