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hurd: avoid letting signals go to thread created by timer_create

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* sysdeps/pthread/timer_routines.c (__timer_thread_start): Block all
signals in thread created for runing timers.
This commit is contained in:
Samuel Thibault
2018-03-30 02:45:01 +02:00
parent 1aa52ced5d
commit 03e2aa50fd
2 changed files with 11 additions and 0 deletions
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ChangeLog
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@@ -1,3 +1,8 @@
2018-04-02 Samuel Thibault <samuel.thibault@ens-lyon.org>
* sysdeps/pthread/timer_routines.c (__timer_thread_start): Block all
signals in thread created for runing timers.
2018-04-01 Florian Weimer <fweimer@redhat.com> 2018-04-01 Florian Weimer <fweimer@redhat.com>
* support/support_format_addrinfo.c (support_format_addrinfo): * support/support_format_addrinfo.c (support_format_addrinfo):

6
sysdeps/pthread/timer_routines.c
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@@ -463,10 +463,14 @@ int
__timer_thread_start (struct thread_node *thread) __timer_thread_start (struct thread_node *thread)
{ {
int retval = 1; int retval = 1;
sigset_t set, oset;
assert (!thread->exists); assert (!thread->exists);
thread->exists = 1; thread->exists = 1;
sigfillset (&set);
pthread_sigmask (SIG_SETMASK, &set, &oset);
if (pthread_create (&thread->id, &thread->attr, if (pthread_create (&thread->id, &thread->attr,
(void *(*) (void *)) thread_func, thread) != 0) (void *(*) (void *)) thread_func, thread) != 0)
{ {
@@ -474,6 +478,8 @@ __timer_thread_start (struct thread_node *thread)
retval = -1; retval = -1;
} }
pthread_sigmask (SIG_SETMASK, &oset, NULL);
return retval; return retval;
} }