From 88e3fbcb5d6829f8980d6bb356b1c0cd7a38187b Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Sun, 3 Jul 2005 04:40:34 +0000 Subject: linuxthreads, linuxthreads_db: Directories removed (preserved in ports repository). --- linuxthreads/Examples/Makefile | 15 ---- linuxthreads/Examples/ex1.c | 42 ----------- linuxthreads/Examples/ex10.c | 108 -------------------------- linuxthreads/Examples/ex11.c | 154 -------------------------------------- linuxthreads/Examples/ex12.c | 47 ------------ linuxthreads/Examples/ex13.c | 112 --------------------------- linuxthreads/Examples/ex14.c | 133 -------------------------------- linuxthreads/Examples/ex15.c | 58 -------------- linuxthreads/Examples/ex16.c | 26 ------- linuxthreads/Examples/ex17.c | 112 --------------------------- linuxthreads/Examples/ex18.c | 113 ---------------------------- linuxthreads/Examples/ex2.c | 124 ------------------------------ linuxthreads/Examples/ex3.c | 152 ------------------------------------- linuxthreads/Examples/ex4.c | 115 ---------------------------- linuxthreads/Examples/ex5.c | 114 ---------------------------- linuxthreads/Examples/ex6.c | 46 ------------ linuxthreads/Examples/ex7.c | 45 ----------- linuxthreads/Examples/ex8.c | 101 ------------------------- linuxthreads/Examples/ex9.c | 98 ------------------------ linuxthreads/Examples/tststatic.c | 1 - 20 files changed, 1716 deletions(-) delete mode 100644 linuxthreads/Examples/Makefile delete mode 100644 linuxthreads/Examples/ex1.c delete mode 100644 linuxthreads/Examples/ex10.c delete mode 100644 linuxthreads/Examples/ex11.c delete mode 100644 linuxthreads/Examples/ex12.c delete mode 100644 linuxthreads/Examples/ex13.c delete mode 100644 linuxthreads/Examples/ex14.c delete mode 100644 linuxthreads/Examples/ex15.c delete mode 100644 linuxthreads/Examples/ex16.c delete mode 100644 linuxthreads/Examples/ex17.c delete mode 100644 linuxthreads/Examples/ex18.c delete mode 100644 linuxthreads/Examples/ex2.c delete mode 100644 linuxthreads/Examples/ex3.c delete mode 100644 linuxthreads/Examples/ex4.c delete mode 100644 linuxthreads/Examples/ex5.c delete mode 100644 linuxthreads/Examples/ex6.c delete mode 100644 linuxthreads/Examples/ex7.c delete mode 100644 linuxthreads/Examples/ex8.c delete mode 100644 linuxthreads/Examples/ex9.c delete mode 100644 linuxthreads/Examples/tststatic.c (limited to 'linuxthreads/Examples') diff --git a/linuxthreads/Examples/Makefile b/linuxthreads/Examples/Makefile deleted file mode 100644 index c68b3676a4..0000000000 --- a/linuxthreads/Examples/Makefile +++ /dev/null @@ -1,15 +0,0 @@ -CC=gcc -CFLAGS=-g -O -Wall -I.. -D_REENTRANT -LIBPTHREAD=../libpthread.a - -PROGS=ex1 ex2 ex3 ex4 ex5 proxy - -all: $(PROGS) - -.c: - $(CC) $(CFLAGS) -o $* $*.c $(LIBPTHREAD) - -$(PROGS): - -clean: - rm -f $(PROGS) diff --git a/linuxthreads/Examples/ex1.c b/linuxthreads/Examples/ex1.c deleted file mode 100644 index 29138cf761..0000000000 --- a/linuxthreads/Examples/ex1.c +++ /dev/null @@ -1,42 +0,0 @@ -/* Creates two threads, one printing 10000 "a"s, the other printing - 10000 "b"s. - Illustrates: thread creation, thread joining. */ - -#include -#include -#include -#include "pthread.h" - -static void * -process (void *arg) -{ - int i; - fprintf (stderr, "Starting process %s\n", (char *) arg); - for (i = 0; i < 10000; i++) - { - write (1, (char *) arg, 1); - } - return NULL; -} - -int -main (void) -{ - int retcode; - pthread_t th_a, th_b; - void *retval; - - retcode = pthread_create (&th_a, NULL, process, (void *) "a"); - if (retcode != 0) - fprintf (stderr, "create a failed %d\n", retcode); - retcode = pthread_create (&th_b, NULL, process, (void *) "b"); - if (retcode != 0) - fprintf (stderr, "create b failed %d\n", retcode); - retcode = pthread_join (th_a, &retval); - if (retcode != 0) - fprintf (stderr, "join a failed %d\n", retcode); - retcode = pthread_join (th_b, &retval); - if (retcode != 0) - fprintf (stderr, "join b failed %d\n", retcode); - return 0; -} diff --git a/linuxthreads/Examples/ex10.c b/linuxthreads/Examples/ex10.c deleted file mode 100644 index f3ad517283..0000000000 --- a/linuxthreads/Examples/ex10.c +++ /dev/null @@ -1,108 +0,0 @@ -/* Tests for pthread_mutex_timedlock function. - Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc. - Contributed by Kaz Kylheku , 2000. - - 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; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include -#include -#include -#include -#include -#include - -#define NUM_THREADS 10 -#define NUM_ITERS 50 -#define TIMEOUT_NS 100000000L - -static void *thread (void *) __attribute__ ((__noreturn__)); -static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER; - -int -main (void) -{ - pthread_t th; - int i; - - for (i = 0; i < NUM_THREADS; i++) - { - if (pthread_create (&th, NULL, thread, NULL) != 0) - error (EXIT_FAILURE, 0, "cannot create thread"); - } - - (void) thread (NULL); - /* notreached */ - return 0; -} - - -static void * -thread (void *arg) -{ - int i; - pthread_t self = pthread_self (); - static int linecount; /* protected by flockfile(stdout) */ - - for (i = 0; i < NUM_ITERS; i++) - { - struct timespec ts; - - for (;;) - { - int err; - - clock_gettime (CLOCK_REALTIME, &ts); - - ts.tv_nsec += TIMEOUT_NS; - - if (ts.tv_nsec >= 1000000000L) { - ts.tv_sec++; - ts.tv_nsec -= 1000000000L; - } - - switch ((err = pthread_mutex_timedlock (&mutex, &ts))) - { - case 0: - flockfile (stdout); - printf ("%04d: thread %lu got mutex\n", ++linecount, - (unsigned long) self); - funlockfile (stdout); - break; - case ETIMEDOUT: - flockfile (stdout); - printf ("%04d: thread %lu timed out on mutex\n", ++linecount, - (unsigned long) self); - funlockfile (stdout); - continue; - default: - error (EXIT_FAILURE, err, "pthread_mutex_timedlock failure"); - } - break; - } - - ts.tv_sec = 0; - ts.tv_nsec = TIMEOUT_NS; - nanosleep (&ts, NULL); - - flockfile (stdout); - printf ("%04d: thread %lu releasing mutex\n", ++linecount, - (unsigned long) self); - funlockfile (stdout); - pthread_mutex_unlock (&mutex); - } - - pthread_exit (NULL); -} diff --git a/linuxthreads/Examples/ex11.c b/linuxthreads/Examples/ex11.c deleted file mode 100644 index abb5b5385a..0000000000 --- a/linuxthreads/Examples/ex11.c +++ /dev/null @@ -1,154 +0,0 @@ -/* Test program for timedout read/write lock functions. - Copyright (C) 2000 Free Software Foundation, Inc. - Contributed by Ulrich Drepper , 2000. - - 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; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include -#include -#include -#include -#include -#include -#include - - -#define NWRITERS 15 -#define WRITETRIES 10 -#define NREADERS 15 -#define READTRIES 15 - -#define TIMEOUT 1000000 -#define DELAY 1000000 - -static pthread_rwlock_t lock = PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP; - - -static void * -writer_thread (void *nr) -{ - struct timespec ts; - struct timespec delay; - int n; - - ts.tv_sec = 0; - ts.tv_nsec = TIMEOUT; - - delay.tv_sec = 0; - delay.tv_nsec = DELAY; - - for (n = 0; n < WRITETRIES; ++n) - { - do - { - clock_gettime (CLOCK_REALTIME, &ts); - - ts.tv_nsec += 2 * TIMEOUT; - - printf ("writer thread %ld tries again\n", (long int) nr); - } - //while (pthread_rwlock_wrlock (&lock), 0); - while (pthread_rwlock_timedwrlock (&lock, &ts) == ETIMEDOUT); - - printf ("writer thread %ld succeeded\n", (long int) nr); - - nanosleep (&delay, NULL); - - pthread_rwlock_unlock (&lock); - - printf ("writer thread %ld released\n", (long int) nr); - } - - return NULL; -} - - -static void * -reader_thread (void *nr) -{ - struct timespec ts; - struct timespec delay; - int n; - - delay.tv_sec = 0; - delay.tv_nsec = DELAY; - - for (n = 0; n < READTRIES; ++n) - { - do - { - clock_gettime (CLOCK_REALTIME, &ts); - - ts.tv_nsec += TIMEOUT; - - printf ("reader thread %ld tries again\n", (long int) nr); - } - //while (pthread_rwlock_rdlock (&lock), 0); - while (pthread_rwlock_timedrdlock (&lock, &ts) == ETIMEDOUT); - - printf ("reader thread %ld succeeded\n", (long int) nr); - - nanosleep (&delay, NULL); - - pthread_rwlock_unlock (&lock); - - printf ("reader thread %ld released\n", (long int) nr); - } - - return NULL; -} - - -int -main (void) -{ - pthread_t thwr[NWRITERS]; - pthread_t thrd[NREADERS]; - int n; - void *res; - - /* Make standard error the same as standard output. */ - dup2 (1, 2); - - /* Make sure we see all message, even those on stdout. */ - setvbuf (stdout, NULL, _IONBF, 0); - - for (n = 0; n < NWRITERS; ++n) - { - int err = pthread_create (&thwr[n], NULL, writer_thread, - (void *) (long int) n); - - if (err != 0) - error (EXIT_FAILURE, err, "cannot create writer thread"); - } - - for (n = 0; n < NREADERS; ++n) - { - int err = pthread_create (&thrd[n], NULL, reader_thread, - (void *) (long int) n); - - if (err != 0) - error (EXIT_FAILURE, err, "cannot create reader thread"); - } - - /* Wait for all the threads. */ - for (n = 0; n < NWRITERS; ++n) - pthread_join (thwr[n], &res); - for (n = 0; n < NREADERS; ++n) - pthread_join (thrd[n], &res); - - return 0; -} diff --git a/linuxthreads/Examples/ex12.c b/linuxthreads/Examples/ex12.c deleted file mode 100644 index e986fec97f..0000000000 --- a/linuxthreads/Examples/ex12.c +++ /dev/null @@ -1,47 +0,0 @@ -/* Variant of ex6, but this time we use pthread_exit (). */ -#include -#include -#include -#include -#include - -static void * -__attribute__ ((noreturn)) -test_thread (void *v_param) -{ - pthread_exit (NULL); -} - -int -main (void) -{ - unsigned long count; - - setvbuf (stdout, NULL, _IONBF, 0); - - for (count = 0; count < 2000; ++count) - { - pthread_t thread; - int status; - - status = pthread_create (&thread, NULL, test_thread, NULL); - if (status != 0) - { - printf ("status = %d, count = %lu: %s\n", status, count, - strerror (errno)); - return 1; - } - else - { - printf ("count = %lu\n", count); - } - /* pthread_detach (thread); */ - if (pthread_join (thread, NULL) != 0) - { - printf ("join failed, count %lu\n", count); - return 2; - } - usleep (10); - } - return 0; -} diff --git a/linuxthreads/Examples/ex13.c b/linuxthreads/Examples/ex13.c deleted file mode 100644 index 14add6c773..0000000000 --- a/linuxthreads/Examples/ex13.c +++ /dev/null @@ -1,112 +0,0 @@ -/* Test for Pthreads/mutexes. - Copyright (C) 2000, 2001, 2002, 2003 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Contributed by Kurt Garloff , 2000. - - 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; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include -#include -#include -#include -#include -#include - -static void *thread_start (void *ptr) __attribute__ ((__noreturn__)); - - -struct thr_ctrl -{ - pthread_mutex_t mutex; - pthread_cond_t cond; - int retval; -}; - -static void -dump_mut (pthread_mutex_t * mut) -{ - size_t i; - for (i = 0; i < sizeof (*mut); i++) - printf (" %02x", *((unsigned char *) mut + i)); - printf ("\n"); -}; - -/* Helper, the opposite of pthread_cond_wait (cond, mut). */ -static void -pthr_cond_signal_mutex (pthread_cond_t * cond, pthread_mutex_t * mut) -{ - int err; - err = pthread_mutex_lock (mut); - if (err) - printf ("mutex_lock : %s\n", strerror (err)); - err = pthread_cond_signal (cond); - if (err) - printf ("cond_signal : %s\n", strerror (err)); - err = pthread_mutex_unlock (mut); - if (err) - printf ("mutex_unlock: %s\n", strerror (err)); -} - -static void * -thread_start (void *ptr) -{ - struct thr_ctrl *tc = ptr; - /* Do initialization. */ - /* ... */ - /* Signal that we are ready. */ - pthr_cond_signal_mutex (&tc->cond, &tc->mutex); - sleep (2); - pthr_cond_signal_mutex (&tc->cond, &tc->mutex); - tc->retval = 0; - pthread_exit (&tc->retval); -} - -int -main (void) -{ - struct thr_ctrl threadctrl; - pthread_t thread; - int err; - void *res = &threadctrl.retval; - pthread_mutexattr_t mutattr; - pthread_mutexattr_init (&mutattr); - pthread_mutex_init (&threadctrl.mutex, &mutattr); - pthread_cond_init (&threadctrl.cond, NULL); - err = pthread_mutex_lock (&threadctrl.mutex); - if (err) - printf ("mutex_lock : %s\n", strerror (err)); - dump_mut (&threadctrl.mutex); - pthread_create (&thread, NULL, thread_start, &threadctrl); - /* Wait until it's ready. */ - err = pthread_cond_wait (&threadctrl.cond, &threadctrl.mutex); - if (err) - printf ("cond_wait : %s\n", strerror (err)); - /* Now, we should have acquired the mutex again! */ - dump_mut (&threadctrl.mutex); - sleep (1); - dump_mut (&threadctrl.mutex); - err = pthread_cond_wait (&threadctrl.cond, &threadctrl.mutex); - if (err) - { - printf ("cond_wait : %s\n", strerror (err)); - printf ("ERROR\n"); - abort (); - }; - dump_mut (&threadctrl.mutex); - pthread_join (thread, &res); - printf ("OK\n"); - return 0; -} diff --git a/linuxthreads/Examples/ex14.c b/linuxthreads/Examples/ex14.c deleted file mode 100644 index 406e03f346..0000000000 --- a/linuxthreads/Examples/ex14.c +++ /dev/null @@ -1,133 +0,0 @@ -/* Test of POSIX barriers. */ - -#include -#include -#include -#include - -#define NTHREADS 20 - -#define ROUNDS 20 - -static pthread_barrier_t barriers[NTHREADS]; - -static pthread_mutex_t lock = PTHREAD_MUTEX_INITIALIZER; -static int counters[NTHREADS]; -static int serial[NTHREADS]; - -static void * -worker (void *arg) -{ - void *result = NULL; - int nr = (long int) arg; - int i; - - for (i = 0; i < ROUNDS; ++i) - { - int j; - int retval; - - if (nr == 0) - { - memset (counters, '\0', sizeof (counters)); - memset (serial, '\0', sizeof (serial)); - } - - retval = pthread_barrier_wait (&barriers[NTHREADS - 1]); - if (retval != 0 && retval != PTHREAD_BARRIER_SERIAL_THREAD) - { - printf ("thread %d failed to wait for all the others\n", nr); - result = (void *) 1; - } - - for (j = nr; j < NTHREADS; ++j) - { - /* Increment the counter for this round. */ - pthread_mutex_lock (&lock); - ++counters[j]; - pthread_mutex_unlock (&lock); - - /* Wait for the rest. */ - retval = pthread_barrier_wait (&barriers[j]); - - /* Test the result. */ - if (nr == 0 && counters[j] != j + 1) - { - printf ("barrier in round %d released but count is %d\n", - j, counters[j]); - result = (void *) 1; - } - - if (retval != 0) - { - if (retval != PTHREAD_BARRIER_SERIAL_THREAD) - { - printf ("thread %d in round %d has nonzero return value != PTHREAD_BARRIER_SERIAL_THREAD\n", - nr, j); - result = (void *) 1; - } - else - { - pthread_mutex_lock (&lock); - ++serial[j]; - pthread_mutex_unlock (&lock); - } - } - - /* Wait for the rest again. */ - retval = pthread_barrier_wait (&barriers[j]); - - /* Now we can check whether exactly one thread was serializing. */ - if (nr == 0 && serial[j] != 1) - { - printf ("not exactly one serial thread in round %d\n", j); - result = (void *) 1; - } - } - } - - return result; -} - - -#define TEST_FUNCTION do_test () -#define TIMEOUT 60 -static int -do_test (void) -{ - pthread_t threads[NTHREADS]; - int i; - void *res; - int result = 0; - - /* Initialized the barrier variables. */ - for (i = 0; i < NTHREADS; ++i) - if (pthread_barrier_init (&barriers[i], NULL, i + 1) != 0) - { - printf ("Failed to initialize barrier %d\n", i); - exit (1); - } - - /* Start the threads. */ - for (i = 0; i < NTHREADS; ++i) - if (pthread_create (&threads[i], NULL, worker, (void *) (long int) i) != 0) - { - printf ("Failed to start thread %d\n", i); - exit (1); - } - - /* And wait for them. */ - for (i = 0; i < NTHREADS; ++i) - if (pthread_join (threads[i], &res) != 0 || res != NULL) - { - printf ("thread %d returned a failure\n", i); - result = 1; - } - - if (result == 0) - puts ("all OK"); - - return result; -} - -#include "../test-skeleton.c" diff --git a/linuxthreads/Examples/ex15.c b/linuxthreads/Examples/ex15.c deleted file mode 100644 index e953b231d7..0000000000 --- a/linuxthreads/Examples/ex15.c +++ /dev/null @@ -1,58 +0,0 @@ -#include -#include -#include -#include -#include -#include - -static void *worker (void *dummy) __attribute__ ((__noreturn__)); - -static void * -worker (void *dummy) -{ - exit (26); -} - -#define TEST_FUNCTION do_test () -#define TIMEOUT 10 -static int -do_test (void) -{ - pthread_t th; - pid_t pid; - int status; - - switch ((pid = fork ())) - { - case -1: - puts ("Could not fork"); - exit (1); - case 0: - if (pthread_create(&th, NULL, worker, NULL) != 0) - { - puts ("Failed to start thread"); - exit (1); - } - for (;;); - exit (1); - default: - break; - } - - if (waitpid (pid, &status, 0) != pid) - { - puts ("waitpid failed"); - exit (1); - } - - if (!WIFEXITED (status) || WEXITSTATUS (status) != 26) - { - printf ("Wrong exit code %d\n", status); - exit (1); - } - - puts ("All OK"); - return 0; -} - -#include "../../test-skeleton.c" diff --git a/linuxthreads/Examples/ex16.c b/linuxthreads/Examples/ex16.c deleted file mode 100644 index 6509ae4515..0000000000 --- a/linuxthreads/Examples/ex16.c +++ /dev/null @@ -1,26 +0,0 @@ -/* Tst case by Jakub Jelinek . */ -#include -#include -#include - -static void * -task (void *p) -{ - sleep (30); - return NULL; -} - -int -main (void) -{ - pthread_t t; - int status; - - status = pthread_create (&t, NULL, task, NULL); - if (status) - exit (status); - - status = pthread_detach (t); - pthread_kill_other_threads_np (); - return status; -} diff --git a/linuxthreads/Examples/ex17.c b/linuxthreads/Examples/ex17.c deleted file mode 100644 index 1bc09a5bda..0000000000 --- a/linuxthreads/Examples/ex17.c +++ /dev/null @@ -1,112 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include - -static pthread_mutex_t synch = PTHREAD_MUTEX_INITIALIZER; - -static void * -test_thread (void *v_param) -{ - pthread_mutex_lock (&synch); - return NULL; -} - -#define STACKSIZE 0x100000 - -int -main (void) -{ - pthread_t thread; - pthread_attr_t attr; - int status; - void *stack, *stack2; - size_t stacksize; - - pthread_attr_init (&attr); - stack = mmap (NULL, STACKSIZE, - PROT_READ | PROT_WRITE | PROT_EXEC, - MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); - - if (stack == MAP_FAILED) - { - perror ("mmap failed"); - return 1; - } - - status = pthread_attr_setstack (&attr, stack, STACKSIZE); - if (status != 0) - { - printf ("pthread_attr_setstack failed: %s\n", strerror (status)); - return 1; - } - - status = pthread_attr_getstack (&attr, &stack2, &stacksize); - if (status != 0) - { - printf ("pthread_attr_getstack failed: %s\n", strerror (status)); - return 1; - } - - if (stack2 != stack || stacksize != STACKSIZE) - { - printf ("first pthread_attr_getstack returned different stack (%p,%zx)\n" - "than was set by setstack (%p,%x)\n", - stack2, stacksize, stack, STACKSIZE); - return 2; - } - - status = pthread_mutex_lock (&synch); - if (status != 0) - { - printf ("cannot get lock: %s\n", strerror (status)); - return 1; - } - - status = pthread_create (&thread, &attr, test_thread, NULL); - if (status != 0) - { - printf ("pthread_create failed: %s\n", strerror (status)); - return 1; - } - - status = pthread_getattr_np (thread, &attr); - if (status != 0) - { - printf ("pthread_getattr_np failed: %s\n", strerror (status)); - return 1; - } - - status = pthread_attr_getstack (&attr, &stack2, &stacksize); - if (status != 0) - { - printf ("pthread_attr_getstack failed: %s\n", strerror (status)); - return 1; - } - - if (stack2 != stack || stacksize != STACKSIZE) - { - printf ("second pthread_attr_getstack returned different stack (%p,%zx)\n" - "than was set by setstack (%p,%x)\n", - stack2, stacksize, stack, STACKSIZE); - return 3; - } - - status = pthread_mutex_unlock (&synch); - if (status != 0) - { - printf ("cannot release lock: %s\n", strerror (status)); - return 1; - } - - /* pthread_detach (thread); */ - if (pthread_join (thread, NULL) != 0) - { - printf ("join failed\n"); - return 1; - } - return 0; -} diff --git a/linuxthreads/Examples/ex18.c b/linuxthreads/Examples/ex18.c deleted file mode 100644 index 283396bede..0000000000 --- a/linuxthreads/Examples/ex18.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * Beat up the pthread_key_create and pthread_key_delete - * functions. - */ - -#if 0 -#define CHATTY -#endif - -#include -#include -#include -#include -#include - -const int beatup_iterations = 10000; -const int num_threads = 30; -const int max_keys = 500; - -struct key_list { - struct key_list *next; - pthread_key_t key; -}; - -struct key_list *key_list; -pthread_mutex_t key_lock = PTHREAD_MUTEX_INITIALIZER; - -/* - * Create a new key and put it at the tail of a linked list. - * If the linked list grows to a certain length, delete a key from the - * head of * the list. - */ - -static void -beat_up(void) -{ - struct key_list *new = malloc(sizeof *new); - struct key_list **iter, *old_key = 0; - int key_count = 0; - - if (new == 0) { - fprintf(stderr, "malloc failed\n"); - abort(); - } - - new->next = 0; - - if (pthread_key_create(&new->key, 0) != 0) { - fprintf(stderr, "pthread_key_create failed\n"); - abort(); - } - - if (pthread_getspecific(new->key) != 0) { - fprintf(stderr, "new pthread_key_t resolves to non-null value\n"); - abort(); - } - - pthread_setspecific(new->key, (void *) 1); - -#ifdef CHATTY - printf("created key\n"); -#endif - - pthread_mutex_lock(&key_lock); - - for (iter = &key_list; *iter != 0; iter = &(*iter)->next) - key_count++; - - *iter = new; - - if (key_count > max_keys) { - old_key = key_list; - key_list = key_list->next; - } - - pthread_mutex_unlock(&key_lock); - - if (old_key != 0) { -#ifdef CHATTY - printf("deleting key\n"); -#endif - pthread_key_delete(old_key->key); - } -} - -static void * -thread(void *arg) -{ - int i; - for (i = 0; i < beatup_iterations; i++) - beat_up(); - return 0; -} - -int -main(void) -{ - int i; - pthread_attr_t detached_thread; - - pthread_attr_init(&detached_thread); - pthread_attr_setdetachstate(&detached_thread, PTHREAD_CREATE_DETACHED); - - for (i = 0; i < num_threads; i++) { - pthread_t thread_id; - while (pthread_create(&thread_id, &detached_thread, thread, 0) == EAGAIN) { - /* let some threads die, so system can breathe. :) */ - sleep(1); - } - } - - pthread_exit(0); -} diff --git a/linuxthreads/Examples/ex2.c b/linuxthreads/Examples/ex2.c deleted file mode 100644 index f2556a4206..0000000000 --- a/linuxthreads/Examples/ex2.c +++ /dev/null @@ -1,124 +0,0 @@ -/* The classic producer-consumer example. - Illustrates mutexes and conditions. - All integers between 0 and 9999 should be printed exactly twice, - once to the right of the arrow and once to the left. */ - -#include -#include "pthread.h" - -#define BUFFER_SIZE 16 - -/* Circular buffer of integers. */ - -struct prodcons -{ - int buffer[BUFFER_SIZE]; /* the actual data */ - pthread_mutex_t lock; /* mutex ensuring exclusive access to buffer */ - int readpos, writepos; /* positions for reading and writing */ - pthread_cond_t notempty; /* signaled when buffer is not empty */ - pthread_cond_t notfull; /* signaled when buffer is not full */ -}; - -/* Initialize a buffer */ -static void -init (struct prodcons *b) -{ - pthread_mutex_init (&b->lock, NULL); - pthread_cond_init (&b->notempty, NULL); - pthread_cond_init (&b->notfull, NULL); - b->readpos = 0; - b->writepos = 0; -} - -/* Store an integer in the buffer */ -static void -put (struct prodcons *b, int data) -{ - pthread_mutex_lock (&b->lock); - /* Wait until buffer is not full */ - while ((b->writepos + 1) % BUFFER_SIZE == b->readpos) - { - pthread_cond_wait (&b->notfull, &b->lock); - /* pthread_cond_wait reacquired b->lock before returning */ - } - /* Write the data and advance write pointer */ - b->buffer[b->writepos] = data; - b->writepos++; - if (b->writepos >= BUFFER_SIZE) - b->writepos = 0; - /* Signal that the buffer is now not empty */ - pthread_cond_signal (&b->notempty); - pthread_mutex_unlock (&b->lock); -} - -/* Read and remove an integer from the buffer */ -static int -get (struct prodcons *b) -{ - int data; - pthread_mutex_lock (&b->lock); - /* Wait until buffer is not empty */ - while (b->writepos == b->readpos) - { - pthread_cond_wait (&b->notempty, &b->lock); - } - /* Read the data and advance read pointer */ - data = b->buffer[b->readpos]; - b->readpos++; - if (b->readpos >= BUFFER_SIZE) - b->readpos = 0; - /* Signal that the buffer is now not full */ - pthread_cond_signal (&b->notfull); - pthread_mutex_unlock (&b->lock); - return data; -} - -/* A test program: one thread inserts integers from 1 to 10000, - the other reads them and prints them. */ - -#define OVER (-1) - -struct prodcons buffer; - -static void * -producer (void *data) -{ - int n; - for (n = 0; n < 10000; n++) - { - printf ("%d --->\n", n); - put (&buffer, n); - } - put (&buffer, OVER); - return NULL; -} - -static void * -consumer (void *data) -{ - int d; - while (1) - { - d = get (&buffer); - if (d == OVER) - break; - printf ("---> %d\n", d); - } - return NULL; -} - -int -main (void) -{ - pthread_t th_a, th_b; - void *retval; - - init (&buffer); - /* Create the threads */ - pthread_create (&th_a, NULL, producer, 0); - pthread_create (&th_b, NULL, consumer, 0); - /* Wait until producer and consumer finish. */ - pthread_join (th_a, &retval); - pthread_join (th_b, &retval); - return 0; -} diff --git a/linuxthreads/Examples/ex3.c b/linuxthreads/Examples/ex3.c deleted file mode 100644 index b80b323a33..0000000000 --- a/linuxthreads/Examples/ex3.c +++ /dev/null @@ -1,152 +0,0 @@ -/* Multi-thread searching. - Illustrates: thread cancellation, cleanup handlers. */ - -#include -#include -#include -#include -#include -#include - -/* Defines the number of searching threads */ -#define NUM_THREADS 5 - -/* Function prototypes */ -void *search(void *); -void print_it(void *); - -/* Global variables */ -pthread_t threads[NUM_THREADS]; -pthread_mutex_t lock; -int tries; -volatile int started; - -int main(int argc, char ** argv) -{ - int i; - int pid; - - /* create a number to search for */ - pid = getpid(); - printf("Searching for the number = %d...\n", pid); - - /* Initialize the mutex lock */ - pthread_mutex_init(&lock, NULL); - - /* Create the searching threads */ - for (started=0; started -#include -#include -#include -#include - -/* This is a typical example of a library function that uses - static variables to accumulate results between calls. - Here, it just returns the concatenation of all string arguments - that were given to it. */ - -#if 0 - -char * -str_accumulate (char *s) -{ - static char accu[1024] = { 0 }; - strcat (accu, s); - return accu; -} - -#endif - -/* Of course, this cannot be used in a multi-threaded program - because all threads store "accu" at the same location. - So, we'll use thread-specific data to have a different "accu" - for each thread. */ - -/* Key identifying the thread-specific data */ -static pthread_key_t str_key; -/* "Once" variable ensuring that the key for str_alloc will be allocated - exactly once. */ -static pthread_once_t str_alloc_key_once = PTHREAD_ONCE_INIT; - -/* Forward functions */ -static void str_alloc_key (void); -static void str_alloc_destroy_accu (void *accu); - -/* Thread-safe version of str_accumulate */ - -static char * -str_accumulate (const char *s) -{ - char *accu; - - /* Make sure the key is allocated */ - pthread_once (&str_alloc_key_once, str_alloc_key); - /* Get the thread-specific data associated with the key */ - accu = (char *) pthread_getspecific (str_key); - /* It's initially NULL, meaning that we must allocate the buffer first. */ - if (accu == NULL) - { - accu = malloc (1024); - if (accu == NULL) - return NULL; - accu[0] = 0; - /* Store the buffer pointer in the thread-specific data. */ - pthread_setspecific (str_key, (void *) accu); - printf ("Thread %lx: allocating buffer at %p\n", pthread_self (), accu); - } - /* Now we can use accu just as in the non thread-safe code. */ - strcat (accu, s); - return accu; -} - -/* Function to allocate the key for str_alloc thread-specific data. */ - -static void -str_alloc_key (void) -{ - pthread_key_create (&str_key, str_alloc_destroy_accu); - printf ("Thread %lx: allocated key %d\n", pthread_self (), str_key); -} - -/* Function to free the buffer when the thread exits. */ -/* Called only when the thread-specific data is not NULL. */ - -static void -str_alloc_destroy_accu (void *accu) -{ - printf ("Thread %lx: freeing buffer at %p\n", pthread_self (), accu); - free (accu); -} - -/* Test program */ - -static void * -process (void *arg) -{ - char *res; - res = str_accumulate ("Result of "); - res = str_accumulate ((char *) arg); - res = str_accumulate (" thread"); - printf ("Thread %lx: \"%s\"\n", pthread_self (), res); - return NULL; -} - -int -main (int argc, char **argv) -{ - char *res; - pthread_t th1, th2; - - res = str_accumulate ("Result of "); - pthread_create (&th1, NULL, process, (void *) "first"); - pthread_create (&th2, NULL, process, (void *) "second"); - res = str_accumulate ("initial thread"); - printf ("Thread %lx: \"%s\"\n", pthread_self (), res); - pthread_join (th1, NULL); - pthread_join (th2, NULL); - return 0; -} diff --git a/linuxthreads/Examples/ex5.c b/linuxthreads/Examples/ex5.c deleted file mode 100644 index d39d487603..0000000000 --- a/linuxthreads/Examples/ex5.c +++ /dev/null @@ -1,114 +0,0 @@ -/* The classic producer-consumer example, implemented with semaphores. - All integers between 0 and 9999 should be printed exactly twice, - once to the right of the arrow and once to the left. */ - -#include -#include "pthread.h" -#include "semaphore.h" - -#define BUFFER_SIZE 16 - -/* Circular buffer of integers. */ - -struct prodcons -{ - int buffer[BUFFER_SIZE]; /* the actual data */ - int readpos, writepos; /* positions for reading and writing */ - sem_t sem_read; /* number of elements available for reading */ - sem_t sem_write; /* number of locations available for writing */ -}; - -/* Initialize a buffer */ - -static void -init (struct prodcons *b) -{ - sem_init (&b->sem_write, 0, BUFFER_SIZE - 1); - sem_init (&b->sem_read, 0, 0); - b->readpos = 0; - b->writepos = 0; -} - -/* Store an integer in the buffer */ - -static void -put (struct prodcons *b, int data) -{ - /* Wait until buffer is not full */ - sem_wait (&b->sem_write); - /* Write the data and advance write pointer */ - b->buffer[b->writepos] = data; - b->writepos++; - if (b->writepos >= BUFFER_SIZE) - b->writepos = 0; - /* Signal that the buffer contains one more element for reading */ - sem_post (&b->sem_read); -} - -/* Read and remove an integer from the buffer */ - -static int -get (struct prodcons *b) -{ - int data; - /* Wait until buffer is not empty */ - sem_wait (&b->sem_read); - /* Read the data and advance read pointer */ - data = b->buffer[b->readpos]; - b->readpos++; - if (b->readpos >= BUFFER_SIZE) - b->readpos = 0; - /* Signal that the buffer has now one more location for writing */ - sem_post (&b->sem_write); - return data; -} - -/* A test program: one thread inserts integers from 1 to 10000, - the other reads them and prints them. */ - -#define OVER (-1) - -struct prodcons buffer; - -static void * -producer (void *data) -{ - int n; - for (n = 0; n < 10000; n++) - { - printf ("%d --->\n", n); - put (&buffer, n); - } - put (&buffer, OVER); - return NULL; -} - -static void * -consumer (void *data) -{ - int d; - while (1) - { - d = get (&buffer); - if (d == OVER) - break; - printf ("---> %d\n", d); - } - return NULL; -} - -int -main (void) -{ - pthread_t th_a, th_b; - void *retval; - - init (&buffer); - /* Create the threads */ - pthread_create (&th_a, NULL, producer, 0); - pthread_create (&th_b, NULL, consumer, 0); - /* Wait until producer and consumer finish. */ - pthread_join (th_a, &retval); - pthread_join (th_b, &retval); - return 0; -} diff --git a/linuxthreads/Examples/ex6.c b/linuxthreads/Examples/ex6.c deleted file mode 100644 index 9a0266828b..0000000000 --- a/linuxthreads/Examples/ex6.c +++ /dev/null @@ -1,46 +0,0 @@ -#include -#include -#include -#include -#include - -static void * -test_thread (void *v_param) -{ - return NULL; -} - -int -main (void) -{ - unsigned long count; - - setvbuf (stdout, NULL, _IONBF, 0); - - for (count = 0; count < 2000; ++count) - { - pthread_t thread; - int status; - - status = pthread_create (&thread, NULL, test_thread, NULL); - if (status != 0) - { - printf ("status = %d, count = %lu: %s\n", status, count, - strerror (errno)); - return 1; - } - else - { - printf ("count = %lu\n", count); - } - /* pthread_detach (thread); */ - int err = pthread_join (thread, NULL); - if (err != 0) - { - printf ("join failed (%s), count %lu\n", strerror (err), count); - return 2; - } - usleep (10); - } - return 0; -} diff --git a/linuxthreads/Examples/ex7.c b/linuxthreads/Examples/ex7.c deleted file mode 100644 index d9db33c5cd..0000000000 --- a/linuxthreads/Examples/ex7.c +++ /dev/null @@ -1,45 +0,0 @@ -/* This is a test of the special shutdown that occurs - when all threads, including the main one, call - pthread_exit(). It demonstrates that atexit - handlers are properly called, and that the - output is properly flushed even when stdout is - redirected to a file, and therefore fully buffered. */ - -#include -#include -#include - -#define NTHREADS 20 /* number of threads */ - -static void * -thread (void *arg) -{ - printf ("thread terminating\n"); - return 0; -} - -static void -cleanup (void) -{ - printf ("atexit handler called\n"); -} - -int -main (void) -{ - int i; - - atexit (cleanup); - - for (i = 0; i < NTHREADS; i++) - { - pthread_t id; - if (pthread_create (&id, 0, thread, 0) != 0) - { - fprintf (stderr, "pthread_create failed\n"); - abort (); - } - } - - pthread_exit (0); -} diff --git a/linuxthreads/Examples/ex8.c b/linuxthreads/Examples/ex8.c deleted file mode 100644 index bda81b9c61..0000000000 --- a/linuxthreads/Examples/ex8.c +++ /dev/null @@ -1,101 +0,0 @@ -/* Tests for fork in multi-threaded environment. - Copyright (C) 2000 Free Software Foundation, Inc. - Contributed by Ulrich Drepper , 2000. - - 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; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include -#include -#include -#include -#include -#include - -enum -{ - PREPARE_BIT = 1, - PARENT_BIT = 2, - CHILD_BIT = 4 -}; - -static int var; - -static void -prepare (void) -{ - var |= PREPARE_BIT; -} - -static void -parent (void) -{ - var |= PARENT_BIT; -} - -static void -child (void) -{ - var |= CHILD_BIT; -} - - -static void *thread (void *arg); - - -int -main (void) -{ - pthread_t th; - void *res; - - pthread_atfork (prepare, parent, child); - - if (pthread_create (&th, NULL, thread, NULL) != 0) - error (EXIT_FAILURE, 0, "cannot create thread"); - - pthread_join (th, &res); - - return (int) (long int) res; -} - - -static void * -thread (void *arg) -{ - int status; - pid_t pid; - - pid = fork (); - if (pid == 0) - { - /* We check whether the `prepare' and `child' function ran. */ - exit (var != (PREPARE_BIT | CHILD_BIT)); - } - else if (pid == (pid_t) -1) - error (EXIT_FAILURE, errno, "cannot fork"); - - if (waitpid (pid, &status, 0) != pid) - error (EXIT_FAILURE, errno, "wrong child"); - - if (WTERMSIG (status) != 0) - error (EXIT_FAILURE, 0, "Child terminated incorrectly"); - status = WEXITSTATUS (status); - - if (status == 0) - status = var != (PREPARE_BIT | PARENT_BIT); - - return (void *) (long int) status; -} diff --git a/linuxthreads/Examples/ex9.c b/linuxthreads/Examples/ex9.c deleted file mode 100644 index 3c8b8142e1..0000000000 --- a/linuxthreads/Examples/ex9.c +++ /dev/null @@ -1,98 +0,0 @@ -/* Tests for pthread_barrier_* functions. - Copyright (C) 2000, 2001, 2002 Free Software Foundation, Inc. - Contributed by Kaz Kylheku , 2000. - - 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; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ - -#include -#include -#include -#include -#include - -#define NUM_THREADS 10 -#define NUM_ITERS 500 - -static void *thread (void *) __attribute__ ((__noreturn__)); -static pthread_barrier_t barrier; - -int -main (void) -{ - pthread_t thread_list[NUM_THREADS]; - int i; - - if (pthread_barrier_init (&barrier, NULL, NUM_THREADS + 1) != 0) - error (EXIT_FAILURE, 0, "cannot initialize barrier"); - - for (i = 0; i < NUM_THREADS; i++) - { - if (pthread_create (&thread_list[i], NULL, thread, NULL) != 0) - error (EXIT_FAILURE, 0, "cannot create thread"); - } - - (void) thread (NULL); - - for (i = 0; i < NUM_THREADS; i++) - { - pthread_join(thread_list[i], NULL); - } - - return 0; -} - - -static void * -thread (void *arg) -{ - int i; - pthread_t self = pthread_self (); - static pthread_t last_serial_thread; - static int linecount; /* protected by flockfile(stdout) */ - - for (i = 0; i < NUM_ITERS; i++) - { - switch (pthread_barrier_wait (&barrier)) - { - case 0: - flockfile (stdout); - printf ("%04d: non-serial thread %lu\n", ++linecount, - (unsigned long) self); - funlockfile (stdout); - break; - case PTHREAD_BARRIER_SERIAL_THREAD: - flockfile (stdout); - printf ("%04d: serial thread %lu\n", ++linecount, - (unsigned long) self); - funlockfile (stdout); - last_serial_thread = self; - break; - default: - /* Huh? */ - error (EXIT_FAILURE, 0, "unexpected return value from barrier wait"); - } - } - - if (pthread_equal (self, last_serial_thread)) - { - flockfile (stdout); - printf ("%04d: last serial thread %lu terminating process\n", - ++linecount, (unsigned long) self); - funlockfile (stdout); - } - - pthread_exit(NULL); -} diff --git a/linuxthreads/Examples/tststatic.c b/linuxthreads/Examples/tststatic.c deleted file mode 100644 index 421011a3c4..0000000000 --- a/linuxthreads/Examples/tststatic.c +++ /dev/null @@ -1 +0,0 @@ -#include "ex1.c" -- cgit 1.4.1