From b5279ecc51ff751ccd052fbb7c20efd529575f7e Mon Sep 17 00:00:00 2001 From: cvs2svn <> Date: Tue, 18 Feb 2014 19:58:41 +0000 Subject: This commit was manufactured by cvs2svn to create tag 'cygwin-pre-user-db'. Sprout from cygwin-1_7_29-release-branchpoint 2014-02-18 19:58:40 UTC cvs2svn 'This commit was manufactured by cvs2svn to create branch 'cygwin-1_7_29' Cherrypick from master 2014-02-08 22:25:11 UTC Corinna Vinschen 'Fix ChangeLog': winsup/cygwin/ChangeLog winsup/cygwin/miscfuncs.cc winsup/cygwin/miscfuncs.h winsup/cygwin/mount.cc Delete: winsup/COPYING winsup/CYGWIN_LICENSE winsup/ChangeLog winsup/Makefile.common winsup/Makefile.in winsup/README winsup/acinclude.m4 winsup/aclocal.m4 winsup/autogen.sh winsup/c++wrap winsup/ccwrap winsup/config.guess winsup/config.sub winsup/configure winsup/configure.ac winsup/configure.cygwin winsup/cygserver/ChangeLog winsup/cygserver/ChangeLog.64bit winsup/cygserver/Makefile.in winsup/cygserver/README winsup/cygserver/aclocal.m4 winsup/cygserver/autogen.sh winsup/cygserver/bsd_helper.cc winsup/cygserver/bsd_helper.h winsup/cygserver/bsd_log.cc winsup/cygserver/bsd_log.h winsup/cygserver/bsd_mutex.cc winsup/cygserver/bsd_mutex.h 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winsup/testsuite/winsup.api/pthread/test.h winsup/testsuite/winsup.api/pthread/threadidafterfork.c winsup/testsuite/winsup.api/pthread/tsd1.c winsup/testsuite/winsup.api/resethand.c winsup/testsuite/winsup.api/samples/sample-fail.c winsup/testsuite/winsup.api/samples/sample-miscompile.c winsup/testsuite/winsup.api/samples/sample-pass.c winsup/testsuite/winsup.api/semtest.c winsup/testsuite/winsup.api/shmtest.c winsup/testsuite/winsup.api/sigchld.c winsup/testsuite/winsup.api/signal-into-win32-api.c winsup/testsuite/winsup.api/systemcall.c winsup/testsuite/winsup.api/user_malloc.c winsup/testsuite/winsup.api/waitpid.c winsup/testsuite/winsup.api/winsup.exp winsup/utils/COPYING.dumper winsup/utils/ChangeLog winsup/utils/ChangeLog-2000 winsup/utils/ChangeLog.64bit winsup/utils/Makefile.in winsup/utils/aclocal.m4 winsup/utils/autogen.sh winsup/utils/bloda.cc winsup/utils/configure winsup/utils/configure.ac winsup/utils/cygcheck.cc winsup/utils/cygpath.cc winsup/utils/cygwin-console-helper.cc winsup/utils/dump_setup.cc winsup/utils/dumper.cc winsup/utils/dumper.h winsup/utils/getconf.c winsup/utils/getfacl.c winsup/utils/kill.cc winsup/utils/ldd.cc winsup/utils/ldh.cc winsup/utils/loadlib.h winsup/utils/locale.cc winsup/utils/minidumper.cc winsup/utils/mkgroup.c winsup/utils/mkpasswd.c winsup/utils/module_info.cc winsup/utils/mount.cc winsup/utils/parse_pe.cc winsup/utils/passwd.c winsup/utils/path.cc winsup/utils/path.h winsup/utils/pldd.c winsup/utils/ps.cc winsup/utils/regtool.cc winsup/utils/setfacl.c winsup/utils/setmetamode.c winsup/utils/ssp.c winsup/utils/ssp.txt winsup/utils/strace.cc winsup/utils/testsuite.cc winsup/utils/testsuite.h winsup/utils/tzset.c winsup/utils/umount.cc winsup/utils/utils.xml winsup/utils/wide_path.h --- winsup/testsuite/winsup.api/pthread/rwlock7.c | 190 -------------------------- 1 file changed, 190 deletions(-) delete mode 100644 winsup/testsuite/winsup.api/pthread/rwlock7.c (limited to 'winsup/testsuite/winsup.api/pthread/rwlock7.c') diff --git a/winsup/testsuite/winsup.api/pthread/rwlock7.c b/winsup/testsuite/winsup.api/pthread/rwlock7.c deleted file mode 100644 index ded882d9f..000000000 --- a/winsup/testsuite/winsup.api/pthread/rwlock7.c +++ /dev/null @@ -1,190 +0,0 @@ -/* - * rwlock7.c - * - * Hammer on a bunch of rwlocks to test robustness and fairness. - * Printed stats should be roughly even for each thread. - */ - -#include "test.h" -#include -#include - -#ifdef __GNUC__ -#include -#endif - -#define THREADS 5 -#define DATASIZE 15 -#define ITERATIONS 1000000 - -#define rand_r( _seed ) \ - ( _seed == _seed? rand() : rand() ) - -/* - * Keep statistics for each thread. - */ -typedef struct thread_tag { - int thread_num; - pthread_t thread_id; - int updates; - int reads; - int interval; -} thread_t; - -/* - * Read-write lock and shared data - */ -typedef struct data_tag { - pthread_rwlock_t lock; - int data; - int updates; -} data_t; - -static thread_t threads[THREADS]; -static data_t data[DATASIZE]; - -/* - * Thread start routine that uses read-write locks - */ -void *thread_routine (void *arg) -{ - thread_t *self = (thread_t*)arg; - int repeats = 0; - int iteration; - int element = 0; - - for (iteration = 0; iteration < ITERATIONS; iteration++) - { - if (iteration % (ITERATIONS / 10) == 0) - { - putchar('.'); - fflush(stdout); - } - /* - * Each "self->interval" iterations, perform an - * update operation (write lock instead of read - * lock). - */ - if ((iteration % self->interval) == 0) - { - assert(pthread_rwlock_wrlock (&data[element].lock) == 0); - data[element].data = self->thread_num; - data[element].updates++; - self->updates++; - assert(pthread_rwlock_unlock (&data[element].lock) == 0); - } else { - /* - * Look at the current data element to see whether - * the current thread last updated it. Count the - * times, to report later. - */ - assert(pthread_rwlock_rdlock (&data[element].lock) == 0); - - self->reads++; - - if (data[element].data == self->thread_num) - { - repeats++; - } - - assert(pthread_rwlock_unlock (&data[element].lock) == 0); - } - - element++; - - if (element >= DATASIZE) - { - element = 0; - } - } - - if (repeats > 0) - { - printf ("\nThread %d found unchanged elements %d times", - self->thread_num, repeats); - fflush(stdout); - } - - return NULL; -} - -int -main (int argc, char *argv[]) -{ - int count; - int data_count; - int thread_updates = 0; - int data_updates = 0; - int seed = 1; - - struct timeb currSysTime1; - struct timeb currSysTime2; - - /* - * Initialize the shared data. - */ - for (data_count = 0; data_count < DATASIZE; data_count++) - { - data[data_count].data = 0; - data[data_count].updates = 0; - - assert(pthread_rwlock_init (&data[data_count].lock, NULL) == 0); - } - - ftime(&currSysTime1); - - /* - * Create THREADS threads to access shared data. - */ - for (count = 0; count < THREADS; count++) - { - threads[count].thread_num = count; - threads[count].updates = 0; - threads[count].reads = 0; - while (!(threads[count].interval = rand_r (&seed) % 71)) - continue; - - assert(pthread_create (&threads[count].thread_id, - NULL, thread_routine, (void*)&threads[count]) == 0); - } - - /* - * Wait for all threads to complete, and collect - * statistics. - */ - for (count = 0; count < THREADS; count++) - { - assert(pthread_join (threads[count].thread_id, NULL) == 0); - thread_updates += threads[count].updates; - printf ("%02d: interval %d, updates %d, reads %d\n", - count, threads[count].interval, - threads[count].updates, threads[count].reads); - } - - putchar('\n'); - fflush(stdout); - - /* - * Collect statistics for the data. - */ - for (data_count = 0; data_count < DATASIZE; data_count++) - { - data_updates += data[data_count].updates; - printf ("data %02d: value %d, %d updates\n", - data_count, data[data_count].data, data[data_count].updates); - assert(pthread_rwlock_destroy (&data[data_count].lock) == 0); - } - - printf ("%d thread updates, %d data updates\n", - thread_updates, data_updates); - - ftime(&currSysTime2); - - printf( "\nstart: %ld/%d, stop: %ld/%d, duration:%ld\n", - currSysTime1.time,currSysTime1.millitm, - currSysTime2.time,currSysTime2.millitm, - (currSysTime2.time*1000+currSysTime2.millitm) - - (currSysTime1.time*1000+currSysTime1.millitm)); - - return 0; -} -- cgit v1.2.3