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* cygwin.din (ualarm): New export.

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* dcrt0.cc (_dll_crt0): Add experimental tls storage declaration.
(dll_crt0): Ditto.
* debug.cc (thread_stub): Ditto.
* thread.cc: Minor cleanup.
(__pthread_create): Add experimental tls storage declaration.
* miscfuncs.cc: Define tls index.
* winsup.h: Declare experimental tls storage.
* window.cc (alarm): Use old timer return from setitimer.
(ualarm): New function.
This commit is contained in:
Christopher Faylor
2001-11-28 00:06:35 +00:00
parent a6d66c1399
commit 4d029f3940
9 changed files with 183 additions and 60 deletions
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34
winsup/cygwin/window.cc
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@@ -150,8 +150,7 @@ window_terminate ()
SendMessage (ourhwnd, WM_DESTROY, 0, 0);
}
extern "C"
int
extern "C" int
setitimer (int which, const struct itimerval *value, struct itimerval *oldvalue)
{
UINT elapse;
@@ -195,8 +194,7 @@ setitimer (int which, const struct itimerval *value, struct itimerval *oldvalue)
return 0;
}
extern "C"
int
extern "C" int
getitimer (int which, struct itimerval *value)
{
UINT elapse, val;
@@ -221,27 +219,41 @@ getitimer (int which, struct itimerval *value)
elapse = GetTickCount () - start_time;
val = itv.it_value.tv_sec * 1000 + itv.it_value.tv_usec / 1000;
val -= elapse;
value->it_value.tv_sec = val/1000;
value->it_value.tv_usec = val%1000;
value->it_value.tv_sec = val / 1000;
value->it_value.tv_usec = val % 1000;
return 0;
}
extern "C"
unsigned int
extern "C" unsigned int
alarm (unsigned int seconds)
{
int ret;
struct itimerval newt, oldt;
getitimer (ITIMER_REAL, &oldt);
newt.it_value.tv_sec = seconds;
newt.it_value.tv_usec = 0;
newt.it_interval.tv_sec = 0;
newt.it_interval.tv_usec = 0;
setitimer (ITIMER_REAL, &newt, NULL);
setitimer (ITIMER_REAL, &newt, &oldt);
ret = oldt.it_value.tv_sec;
if (ret == 0 && oldt.it_value.tv_usec)
ret = 1;
return ret;
}
extern "C" useconds_t
ualarm (useconds_t value, useconds_t interval)
{
struct itimerval timer, otimer;
timer.it_value.tv_sec = 0;
timer.it_value.tv_usec = value;
timer.it_interval.tv_sec = 0;
timer.it_interval.tv_usec = interval;
if (setitimer (ITIMER_REAL, &timer, &otimer) < 0)
return (u_int)-1;
return (otimer.it_value.tv_sec * 1000000) + otimer.it_value.tv_usec;
}