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2003-03-26  Ulrich Drepper  <drepper@redhat.com>

	* abilist/librt.abilist: Add new timer interfaces for 64-bit archs.
This commit is contained in:
Ulrich Drepper 2003-03-26 09:41:23 +00:00
parent bdb6126c2d
commit f064e4c5d7
4 changed files with 55 additions and 27 deletions
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4
ChangeLog
View File

@ -1,3 +1,7 @@
2003-03-26 Ulrich Drepper <drepper@redhat.com>
* abilist/librt.abilist: Add new timer interfaces for 64-bit archs.
2003-03-25 Jiro SEKIBA <jir@yamato.ibm.com>
* iconvdata/euc-tw.c (from_euc_tw): Fix return value of TO_LOOP.

7
abilist/librt.abilist
View File

@ -37,3 +37,10 @@ GLIBC_2.2.5 x86_64-.*-linux.*
timer_settime F
GLIBC_2.2 i.86-.*-linux.* ia64-.*-linux.* powerpc-.*-linux.* s390-.*-linux.* sh[34].*-.*-linux.*
GLIBC_2.2 A
GLIBC_2.3.3 ia64-.*-linux.* powerpc64-.*-linux.* s390x-.*-linux.* x86_64-.*-linux.*
GLIBC_2.3.3 A
timer_create F
timer_delete F
timer_getoverrun F
timer_gettime F
timer_settime F

5
nptl/ChangeLog
View File

@ -1,3 +1,8 @@
2003-03-26 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/timer_create.c (timer_create): If EVP ==
NULL provide default definition to syscall.
2003-03-25 Roland McGrath <roland@redhat.com>
* sysdeps/pthread/posix-timer.h (TIMER_MAX): Define if not defined.

66
nptl/sysdeps/unix/sysv/linux/timer_create.c
View File

@ -60,6 +60,30 @@ timer_create (clock_id, evp, timerid)
if (evp == NULL
|| __builtin_expect (evp->sigev_notify != SIGEV_THREAD, 1))
{
struct sigevent local_evp;
/* We avoid allocating too much memory by basically
using struct timer as a derived class with the
first two elements being in the superclass. We only
need these two elements here. */
struct timer *newp = (struct timer *) malloc (offsetof (struct timer,
thrfunc));
if (newp == NULL)
/* No more memory. */
return -1;
if (evp == NULL)
{
/* The kernel has to pass up the timer ID which is a
userlevel object. Therefore we cannot leave it up to
the kernel to determine it. */
local_evp.sigev_notify = SIGEV_SIGNAL;
local_evp.sigev_signo = SIGALRM;
local_evp.sigev_value.sival_ptr = newp;
evp = &local_evp;
}
kernel_timer_t ktimerid;
int retval = INLINE_SYSCALL (timer_create, 3, clock_id, evp,
&ktimerid);
@ -70,43 +94,31 @@ timer_create (clock_id, evp, timerid)
{
# ifndef __ASSUME_POSIX_TIMERS
__no_posix_timers = 1;
#endif
# endif
if (retval != -1)
{
struct timer *newp;
newp->sigev_notify = (evp != NULL
? evp->sigev_notify : SIGEV_SIGNAL);
newp->ktimerid = ktimerid;
/* We avoid allocating too much memory by basically
using struct timer as a derived class with the
first two elements being in the superclass. We only
need these two elements here. */
newp = (struct timer *) malloc (offsetof (struct timer,
thrfunc));
if (newp != NULL)
{
newp->sigev_notify = (evp != NULL
? evp->sigev_notify
: SIGEV_SIGNAL);
newp->ktimerid = ktimerid;
*timerid = (timer_t) newp;
}
else
{
/* No memory. Free the kernel timer. */
INTERNAL_SYSCALL_DECL (err);
(void) INTERNAL_SYSCALL (timer_delete, err, 1, ktimerid);
retval = -1;
}
*timerid = (timer_t) newp;
}
else
{
/* Cannot allocate the timer, fail. */
free (newp);
retval = -1;
}
return retval;
}
free (newp);
}
else
{
#ifndef __ASSUME_POSIX_TIMERS
# ifndef __ASSUME_POSIX_TIMERS
/* Make sure we have the necessary kernel support. */
if (__no_posix_timers == 0)
{
@ -118,7 +130,7 @@ timer_create (clock_id, evp, timerid)
}
if (__no_posix_timers > 0)
#endif
# endif
{
sigset_t ss;
sigemptyset (&ss);