diff options
Diffstat (limited to 'nptl')
| -rw-r--r-- | nptl/ChangeLog | 22 | ||||
| -rw-r--r-- | nptl/Makefile | 6 | ||||
| -rw-r--r-- | nptl/eintr.c | 9 | ||||
| -rw-r--r-- | nptl/libc-cancellation.c | 5 | ||||
| -rw-r--r-- | nptl/sysdeps/pthread/librt-cancellation.c | 5 | ||||
| -rw-r--r-- | nptl/tst-cancel22.c | 121 | ||||
| -rw-r--r-- | nptl/tst-cancel23.c | 1 | ||||
| -rw-r--r-- | nptl/tst-eintr1.c | 2 | ||||
| -rw-r--r-- | nptl/tst-eintr2.c | 2 | ||||
| -rw-r--r-- | nptl/tst-eintr3.c | 72 | ||||
| -rw-r--r-- | nptl/tst-eintr4.c | 56 |
11 files changed, 289 insertions, 12 deletions
diff --git a/nptl/ChangeLog b/nptl/ChangeLog index de71eb6917..83d6635c25 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,25 @@ +2003-12-19 Ulrich Drepper <drepper@redhat.com> + + * eintr.c (setup_eintr): Add new parameter. Pass to thread function. + (eintr_source): If ARG != NULL, use pthread_kill. + * tst-eintr1.c: Adjust for this change. + * tst-eintr2.c: Likewise. + * Makefile (tests): Add tst-eintr3 and tst-eintr4. + * tst-eintr3.c: New file. + * tst-eintr4.c: New file. + +2003-12-19 Jakub Jelinek <jakub@redhat.com> + + * libc-cancellation.c (__libc_enable_asynccancel): Don't cancel + if CANCELSTATE_BITMASK is set. + * sysdeps/pthread/librt-cancellation.c (__librt_enable_asynccancel): + Likewise. + + * Makefile (tests): Add tst-cancel22 and tst-cancel23. + (tests-reverse): Add tst-cancel23. + * tst-cancel22.c: New test. + * tst-cancel23.c: New test. + 2003-12-18 Ulrich Drepper <drepper@redhat.com> * tst-eintr1.c: Better error messages. diff --git a/nptl/Makefile b/nptl/Makefile index 91d43d85ee..6876768d93 100644 --- a/nptl/Makefile +++ b/nptl/Makefile @@ -207,7 +207,7 @@ tests = tst-attr1 tst-attr2 tst-attr3 \ tst-kill1 tst-kill2 tst-kill3 tst-kill4 tst-kill5 tst-kill6 \ tst-join1 tst-join2 tst-join3 tst-join4 tst-join5 \ tst-detach1 \ - tst-eintr1 tst-eintr2 \ + tst-eintr1 tst-eintr2 tst-eintr3 tst-eintr4 \ tst-tsd1 tst-tsd2 tst-tsd3 tst-tsd4 \ tst-tls1 tst-tls2 \ tst-fork1 tst-fork2 tst-fork3 tst-fork4 \ @@ -216,7 +216,7 @@ tests = tst-attr1 tst-attr2 tst-attr3 \ tst-cancel6 tst-cancel7 tst-cancel8 tst-cancel9 tst-cancel10 \ tst-cancel11 tst-cancel12 tst-cancel13 tst-cancel14 tst-cancel15 \ tst-cancel16 tst-cancel17 tst-cancel18 tst-cancel19 tst-cancel20 \ - tst-cancel21 \ + tst-cancel21 tst-cancel22 tst-cancel23 \ tst-cleanup0 tst-cleanup1 tst-cleanup2 tst-cleanup3 tst-cleanup4 \ tst-flock1 tst-flock2 \ tst-signal1 tst-signal2 tst-signal3 tst-signal4 tst-signal5 \ @@ -326,7 +326,7 @@ ifeq ($(build-static),yes) tests-static += tst-locale1 tst-locale2 endif # These tests are linked with libc before libpthread -tests-reverse += tst-cancel5 +tests-reverse += tst-cancel5 tst-cancel23 include ../Rules diff --git a/nptl/eintr.c b/nptl/eintr.c index 64e5690981..9e5d6af09a 100644 --- a/nptl/eintr.c +++ b/nptl/eintr.c @@ -44,7 +44,10 @@ eintr_source (void *arg) while (1) { - kill (getpid (), the_sig); + if (arg != NULL) + pthread_kill (*(pthread_t *) arg, the_sig); + else + kill (getpid (), the_sig); nanosleep (&ts, NULL); } @@ -55,7 +58,7 @@ eintr_source (void *arg) static void -setup_eintr (int sig) +setup_eintr (int sig, pthread_t *thp) { struct sigaction sa; sigemptyset (&sa.sa_mask); @@ -70,7 +73,7 @@ setup_eintr (int sig) /* Create the thread which will fire off the signals. */ pthread_t th; - if (pthread_create (&th, NULL, eintr_source, NULL) != 0) + if (pthread_create (&th, NULL, eintr_source, thp) != 0) { puts ("setup_eintr: pthread_create failed"); exit (1); diff --git a/nptl/libc-cancellation.c b/nptl/libc-cancellation.c index a68ee71450..c9237e0950 100644 --- a/nptl/libc-cancellation.c +++ b/nptl/libc-cancellation.c @@ -42,8 +42,9 @@ __libc_enable_asynccancel (void) if (__builtin_expect ((oldval & CANCELED_BITMASK) != 0, 0)) { - /* If we are already exiting stop right here. */ - if ((oldval & EXITING_BITMASK) != 0) + /* If we are already exiting or if PTHREAD_CANCEL_DISABLED, + stop right here. */ + if ((oldval & (EXITING_BITMASK | CANCELSTATE_BITMASK)) != 0) break; int curval = THREAD_ATOMIC_CMPXCHG_VAL (self, cancelhandling, diff --git a/nptl/sysdeps/pthread/librt-cancellation.c b/nptl/sysdeps/pthread/librt-cancellation.c index ae9dd2ad97..753a2d831e 100644 --- a/nptl/sysdeps/pthread/librt-cancellation.c +++ b/nptl/sysdeps/pthread/librt-cancellation.c @@ -41,8 +41,9 @@ __librt_enable_asynccancel (void) if (__builtin_expect ((oldval & CANCELED_BITMASK) != 0, 0)) { - /* If we are already exiting stop right here. */ - if ((oldval & EXITING_BITMASK) != 0) + /* If we are already exiting or if PTHREAD_CANCEL_DISABLED, + stop right here. */ + if ((oldval & (EXITING_BITMASK | CANCELSTATE_BITMASK)) != 0) break; int curval = THREAD_ATOMIC_CMPXCHG_VAL (self, cancelhandling, diff --git a/nptl/tst-cancel22.c b/nptl/tst-cancel22.c new file mode 100644 index 0000000000..33bfc64a3b --- /dev/null +++ b/nptl/tst-cancel22.c @@ -0,0 +1,121 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <pthread.h> +#include <stdio.h> +#include <stdlib.h> +#include <unistd.h> + +pthread_barrier_t b; +int seen; + +static void * +tf (void *arg) +{ + int old; + int r = pthread_setcancelstate (PTHREAD_CANCEL_DISABLE, &old); + if (r != 0) + { + puts ("setcancelstate failed"); + exit (1); + } + + r = pthread_barrier_wait (&b); + if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) + { + puts ("barrier_wait failed"); + exit (1); + } + + for (int i = 0; i < 10; ++i) + { + struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 }; + TEMP_FAILURE_RETRY (nanosleep (&ts, &ts)); + } + + seen = 1; + pthread_setcancelstate (old, NULL); + + struct timespec ts = { .tv_sec = 0, .tv_nsec = 100000000 }; + TEMP_FAILURE_RETRY (nanosleep (&ts, &ts)); + + exit (1); +} + + +static int +do_test (void) +{ + if (pthread_barrier_init (&b, NULL, 2) != 0) + { + puts ("barrier init failed"); + return 1; + } + + pthread_t th; + if (pthread_create (&th, NULL, tf, NULL) != 0) + { + puts ("thread creation failed"); + return 1; + } + + int r = pthread_barrier_wait (&b); + if (r != 0 && r != PTHREAD_BARRIER_SERIAL_THREAD) + { + puts ("barrier_wait failed"); + return 1; + } + + if (pthread_cancel (th) != 0) + { + puts ("cancel failed"); + return 1; + } + + void *status; + if (pthread_join (th, &status) != 0) + { + puts ("join failed"); + return 1; + } + if (status != PTHREAD_CANCELED) + { + puts ("thread not canceled"); + return 1; + } + + if (pthread_barrier_destroy (&b) != 0) + { + puts ("barrier_destroy failed"); + return 1; + } + + if (seen != 1) + { + puts ("thread cancelled when PTHREAD_CANCEL_DISABLED"); + return 1; + } + + return 0; +} + +#define TIMEOUT 5 +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" diff --git a/nptl/tst-cancel23.c b/nptl/tst-cancel23.c new file mode 100644 index 0000000000..211168748e --- /dev/null +++ b/nptl/tst-cancel23.c @@ -0,0 +1 @@ +#include "tst-cancel22.c" diff --git a/nptl/tst-eintr1.c b/nptl/tst-eintr1.c index 41ec2508e0..43a5df5b92 100644 --- a/nptl/tst-eintr1.c +++ b/nptl/tst-eintr1.c @@ -77,7 +77,7 @@ tf1 (void *arg) static int do_test (void) { - setup_eintr (SIGUSR1); + setup_eintr (SIGUSR1, NULL); int i; for (i = 0; i < 10; ++i) diff --git a/nptl/tst-eintr2.c b/nptl/tst-eintr2.c index 00b2ecdfcd..410c56ccaf 100644 --- a/nptl/tst-eintr2.c +++ b/nptl/tst-eintr2.c @@ -84,7 +84,7 @@ do_test (void) exit (1); } - setup_eintr (SIGUSR1); + setup_eintr (SIGUSR1, NULL); pthread_t th; char buf[100]; diff --git a/nptl/tst-eintr3.c b/nptl/tst-eintr3.c new file mode 100644 index 0000000000..eecab48b14 --- /dev/null +++ b/nptl/tst-eintr3.c @@ -0,0 +1,72 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <pthread.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "eintr.c" + + +static void * +tf (void *arg) +{ + pthread_mutex_t m = PTHREAD_MUTEX_INITIALIZER; + pthread_mutex_lock (&m); + /* This call must not return. */ + pthread_mutex_lock (&m); + + puts ("tf: mutex_lock returned"); + exit (1); +} + + +static int +do_test (void) +{ + pthread_t self = pthread_self (); + + setup_eintr (SIGUSR1, &self); + + pthread_t th; + char buf[100]; + int e = pthread_create (&th, NULL, tf, NULL); + if (e != 0) + { + printf ("main: pthread_create failed: %s\n", + strerror_r (e, buf, sizeof (buf))); + exit (1); + } + + /* This call must never return. */ + e = pthread_join (th, NULL); + + if (e == EINTR) + puts ("pthread_join returned with EINTR"); + + return 0; +} + +#define EXPECTED_SIGNAL SIGALRM +#define TIMEOUT 1 +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" diff --git a/nptl/tst-eintr4.c b/nptl/tst-eintr4.c new file mode 100644 index 0000000000..dffbdd6052 --- /dev/null +++ b/nptl/tst-eintr4.c @@ -0,0 +1,56 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <errno.h> +#include <pthread.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +#include "eintr.c" + + +static int +do_test (void) +{ + pthread_t self = pthread_self (); + + setup_eintr (SIGUSR1, &self); + + pthread_barrier_t b; + if (pthread_barrier_init (&b, NULL, 2) != 0) + { + puts ("barrier_init failed"); + exit (1); + } + + /* This call must never return. */ + int e = pthread_barrier_wait (&b); + + if (e == EINTR) + puts ("pthread_join returned with EINTR"); + + return 0; +} + +#define EXPECTED_SIGNAL SIGALRM +#define TIMEOUT 1 +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" |