From a7f6c66ec36b297bead2e4d12de1802f757905ed Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Tue, 29 Jul 2003 09:32:03 +0000 Subject: * rt/tst-timer2.c: New file. * rt/Makefile (tests): Add it. --- ChangeLog | 5 +++ linuxthreads/ChangeLog | 7 +++ linuxthreads/sysdeps/pthread/timer_create.c | 5 ++- linuxthreads/sysdeps/pthread/timer_routines.c | 5 +-- nptl/ChangeLog | 7 +++ nptl/sysdeps/pthread/timer_create.c | 5 ++- nptl/sysdeps/pthread/timer_routines.c | 7 +-- rt/Makefile | 2 +- rt/tst-timer2.c | 62 +++++++++++++++++++++++++++ 9 files changed, 93 insertions(+), 12 deletions(-) create mode 100644 rt/tst-timer2.c diff --git a/ChangeLog b/ChangeLog index 35ac3d8ef4..a99e6913b7 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,8 @@ +2003-07-29 Roland McGrath + + * rt/tst-timer2.c: New file. + * rt/Makefile (tests): Add it. + 2003-07-25 Jakub Jelinek * elf/dl-support.c (_dl_hwcap): Add nocommon attribute. diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index 4d70bb326c..b151dc3406 100644 --- a/linuxthreads/ChangeLog +++ b/linuxthreads/ChangeLog @@ -1,3 +1,10 @@ +2003-06-19 Daniel Jacobowitz + + * sysdeps/pthread/timer_create.c (timer_create): Call timer_delref + before __timer_dealloc. + * sysdeps/pthread/timer_routines.c (__timer_thread_find_matching): + Don't call list_unlink. + 2003-07-29 Roland McGrath * Makefile [$(build-shared) = yes] (tests): Depend on $(test-modules). diff --git a/linuxthreads/sysdeps/pthread/timer_create.c b/linuxthreads/sysdeps/pthread/timer_create.c index 795f94c7d2..d63cda0687 100644 --- a/linuxthreads/sysdeps/pthread/timer_create.c +++ b/linuxthreads/sysdeps/pthread/timer_create.c @@ -178,7 +178,10 @@ timer_create (clock_id, evp, timerid) if (thread != NULL) __timer_thread_dealloc (thread); if (newtimer != NULL) - __timer_dealloc (newtimer); + { + timer_delref (newtimer); + __timer_dealloc (newtimer); + } } pthread_mutex_unlock (&__timer_mutex); diff --git a/linuxthreads/sysdeps/pthread/timer_routines.c b/linuxthreads/sysdeps/pthread/timer_routines.c index b88c5e0556..36c26b2a01 100644 --- a/linuxthreads/sysdeps/pthread/timer_routines.c +++ b/linuxthreads/sysdeps/pthread/timer_routines.c @@ -538,10 +538,7 @@ __timer_thread_find_matching (const pthread_attr_t *desired_attr, if (thread_attr_compare (desired_attr, &candidate->attr) && desired_clock_id == candidate->clock_id) - { - list_unlink (iter); - return candidate; - } + return candidate; iter = list_next (iter); } diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 145c719589..45037eb615 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,10 @@ +2003-06-19 Daniel Jacobowitz + + * sysdeps/pthread/timer_create.c (timer_create): Call timer_delref + before __timer_dealloc. + * sysdeps/pthread/timer_routines.c (__timer_thread_find_matching): + Don't call list_unlink. + 2003-07-29 Roland McGrath * Makefile [$(build-shared) = yes] (tests): Depend on $(test-modules). diff --git a/nptl/sysdeps/pthread/timer_create.c b/nptl/sysdeps/pthread/timer_create.c index 4ee0966f4e..16aa8100b4 100644 --- a/nptl/sysdeps/pthread/timer_create.c +++ b/nptl/sysdeps/pthread/timer_create.c @@ -178,7 +178,10 @@ timer_create (clock_id, evp, timerid) if (thread != NULL) __timer_thread_dealloc (thread); if (newtimer != NULL) - __timer_dealloc (newtimer); + { + timer_delref (newtimer); + __timer_dealloc (newtimer); + } } pthread_mutex_unlock (&__timer_mutex); diff --git a/nptl/sysdeps/pthread/timer_routines.c b/nptl/sysdeps/pthread/timer_routines.c index 7dec0caab1..af6f7412b6 100644 --- a/nptl/sysdeps/pthread/timer_routines.c +++ b/nptl/sysdeps/pthread/timer_routines.c @@ -296,7 +296,7 @@ thread_cleanup (void *val) thread->current_timer = 0; if (list_isempty (&thread->timer_queue)) - __timer_thread_dealloc (thread); + __timer_thread_dealloc (thread); else (void) __timer_thread_start (thread); @@ -540,10 +540,7 @@ __timer_thread_find_matching (const pthread_attr_t *desired_attr, if (thread_attr_compare (desired_attr, &candidate->attr) && desired_clock_id == candidate->clock_id) - { - list_unlink (iter); - return candidate; - } + return candidate; iter = list_next (iter); } diff --git a/rt/Makefile b/rt/Makefile index 9f49a02e0c..47167890a0 100644 --- a/rt/Makefile +++ b/rt/Makefile @@ -38,7 +38,7 @@ librt-routines = $(aio-routines) \ $(clock-routines) $(timer-routines) \ $(shm-routines) -tests := tst-shm tst-clock tst-clock_nanosleep tst-timer \ +tests := tst-shm tst-clock tst-clock_nanosleep tst-timer tst-timer2 \ tst-aio tst-aio64 tst-aio2 tst-aio3 tst-aio4 tst-aio5 tst-aio6 \ tst-aio7 diff --git a/rt/tst-timer2.c b/rt/tst-timer2.c new file mode 100644 index 0000000000..74ccc492b0 --- /dev/null +++ b/rt/tst-timer2.c @@ -0,0 +1,62 @@ +/* Test for crashing bugs when trying to create too many timers. */ + +#include +#include +#include +#include +#include +#include + +#if _POSIX_THREADS +# include + +void +thread (union sigval arg) +{ + puts ("Timeout"); +} + +int +do_test (void) +{ + int i, res; + timer_t timerId; + struct itimerspec itval; + struct sigevent sigev; + + itval.it_interval.tv_sec = 2; + itval.it_interval.tv_nsec = 0; + itval.it_value.tv_sec = 2; + itval.it_value.tv_nsec = 0; + + sigev.sigev_notify = SIGEV_THREAD; + sigev.sigev_signo = SIGRTMIN; + sigev.sigev_notify_function = thread; + sigev.sigev_notify_attributes = 0; + sigev.sigev_value.sival_ptr = (void *) &timerId; + + for (i = 0; i < 100; i++) + { + printf ("cnt = %d\n", i); + + if (timer_create (CLOCK_REALTIME, &sigev, &timerId) < 0) + perror ("timer_create"); + + res = timer_settime (timerId, 0, &itval, NULL); + if (res < 0) + perror ("timer_settime"); + + res = timer_delete (timerId); + if (res < 0) + perror ("timer_delete"); + } + + return 0; +} + +# define TEST_FUNCTION do_test () +#else +# define TEST_FUNCTION 0 +#endif + +#include "../test-skeleton.c" -- cgit v1.2.3