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Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/timer_routines.c')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/timer_routines.c50
1 files changed, 13 insertions, 37 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/timer_routines.c b/nptl/sysdeps/unix/sysv/linux/timer_routines.c
index a5eb442251..23c800f98e 100644
--- a/nptl/sysdeps/unix/sysv/linux/timer_routines.c
+++ b/nptl/sysdeps/unix/sysv/linux/timer_routines.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2003.
@@ -27,13 +27,6 @@
#include "kernel-posix-timers.h"
-struct thread_start_data
-{
- void (*thrfunc) (sigval_t);
- sigval_t sival;
-};
-
-
#ifdef __NR_timer_create
/* Helper thread to call the user-provided function. */
static void *
@@ -47,16 +40,10 @@ timer_sigev_thread (void *arg)
INTERNAL_SYSCALL_DECL (err);
INTERNAL_SYSCALL (rt_sigprocmask, err, 4, SIG_SETMASK, &ss, NULL, _NSIG / 8);
- struct thread_start_data *td = (struct thread_start_data *) arg;
-
- void (*thrfunc) (sigval_t) = td->thrfunc;
- sigval_t sival = td->sival;
-
- /* The TD object was allocated in timer_helper_thread. */
- free (td);
+ struct timer *tk = (struct timer *) arg;
/* Call the user-provided function. */
- thrfunc (sival);
+ tk->thrfunc (tk->sival);
return NULL;
}
@@ -66,11 +53,10 @@ timer_sigev_thread (void *arg)
static void *
timer_helper_thread (void *arg)
{
- /* Wait for the SIGTIMER signal, allowing the setXid signal, and
- none else. */
+ /* Wait for the SIGTIMER signal and none else. */
sigset_t ss;
sigemptyset (&ss);
- __sigaddset (&ss, SIGTIMER);
+ sigaddset (&ss, SIGTIMER);
/* Endless loop of waiting for signals. The loop is only ended when
the thread is canceled. */
@@ -95,19 +81,10 @@ timer_helper_thread (void *arg)
if (si.si_code == SI_TIMER)
{
struct timer *tk = (struct timer *) si.si_ptr;
- struct thread_start_data *td = malloc (sizeof (*td));
-
- /* There is not much we can do if the allocation fails. */
- if (td != NULL)
- {
- /* That is the signal we are waiting for. */
- td->thrfunc = tk->thrfunc;
- td->sival = tk->sival;
-
- pthread_t th;
- (void) pthread_create (&th, &tk->attr, timer_sigev_thread,
- td);
- }
+
+ /* That the signal we are waiting for. */
+ pthread_t th;
+ (void) pthread_create (&th, &tk->attr, timer_sigev_thread, tk);
}
else if (si.si_code == SI_TKILL)
/* The thread is canceled. */
@@ -144,11 +121,10 @@ __start_helper_thread (void)
(void) pthread_attr_init (&attr);
(void) pthread_attr_setstacksize (&attr, PTHREAD_STACK_MIN);
- /* Block all signals in the helper thread but SIGSETXID. To do this
- thoroughly we temporarily have to block all signals here. The
- helper can lose wakeups if SIGCANCEL is not blocked throughout,
- but sigfillset omits it SIGSETXID. So, we add SIGCANCEL back
- explicitly here. */
+ /* Block all signals in the helper thread. To do this thoroughly we
+ temporarily have to block all signals here. The helper can lose
+ wakeups if SIGCANCEL is not blocked throughout, but sigfillset omits
+ it. So, we add it back explicitly here. */
sigset_t ss;
sigset_t oss;
sigfillset (&ss);