diff options
| -rw-r--r-- | MANIFEST | 1 | ||||
| -rw-r--r-- | configure.ac | 1 | ||||
| -rw-r--r-- | src/H5CS.c | 6 | ||||
| -rw-r--r-- | src/H5Eint.c | 9 | ||||
| -rw-r--r-- | src/H5TS.c | 153 | ||||
| -rw-r--r-- | src/H5TSprivate.h | 10 | ||||
| -rw-r--r-- | src/H5private.h | 9 | ||||
| -rw-r--r-- | src/H5win32defs.h | 4 | ||||
| -rw-r--r-- | test/CMakeLists.txt | 21 | ||||
| -rw-r--r-- | test/Makefile.am | 2 | ||||
| -rw-r--r-- | test/h5test.c | 4 | ||||
| -rw-r--r-- | test/thread_id.c | 330 | ||||
| -rw-r--r-- | test/ttsafe.h | 2 | ||||
| -rw-r--r-- | test/ttsafe_cancel.c | 2 |
14 files changed, 522 insertions, 32 deletions
@@ -1172,6 +1172,7 @@ ./test/th5s.c ./test/th5s.h5 ./test/theap.c +./test/thread_id.c ./test/tid.c ./test/titerate.c ./test/tlayouto.h5 diff --git a/configure.ac b/configure.ac index 0221863..db0d1f0 100644 --- a/configure.ac +++ b/configure.ac @@ -1248,6 +1248,7 @@ case "$host_cpu-$host_vendor-$host_os" in ## VFD on Linux systems. H5_CPPFLAGS="-D_GNU_SOURCE $H5_CPPFLAGS" ;; + esac ## Need to add the AM_ and H5_ into CFLAGS/CPPFLAGS to make them visible @@ -145,11 +145,7 @@ H5CS_print_stack(const H5CS_t *fstack, FILE *stream) HDfprintf(stream, "HDF5-DIAG: Function stack from %s ", H5_lib_vers_info_g); /* try show the process or thread id in multiple processes cases*/ -#ifdef H5_HAVE_THREADSAFE - HDfprintf(stream, "thread %lu.", HDpthread_self_ulong()); -#else /* H5_HAVE_THREADSAFE */ - HDfprintf(stream, "thread 0."); -#endif /* H5_HAVE_THREADSAFE */ + HDfprintf(stream, "thread %" PRIu64 ".", H5TS_thread_id()); if(fstack && fstack->nused>0) HDfprintf(stream, " Back trace follows."); HDfputc('\n', stream); diff --git a/src/H5Eint.c b/src/H5Eint.c index d0880f5..2371a5f 100644 --- a/src/H5Eint.c +++ b/src/H5Eint.c @@ -36,6 +36,7 @@ #include "H5Epkg.h" /* Error handling */ #include "H5Iprivate.h" /* IDs */ #include "H5MMprivate.h" /* Memory management */ +#include "H5TSprivate.h" /* Thread stuff */ /****************/ @@ -258,10 +259,8 @@ H5E__walk1_cb(int n, H5E_error1_t *err_desc, void *client_data) else HDfprintf(stream, "thread 0"); } /* end block */ -#elif defined(H5_HAVE_THREADSAFE) - HDfprintf(stream, "thread %lu", (unsigned long)HDpthread_self_ulong()); #else - HDfprintf(stream, "thread 0"); + HDfprintf(stream, "thread %" PRIu64, H5TS_thread_id()); #endif HDfprintf(stream, ":\n"); } /* end if */ @@ -390,10 +389,8 @@ H5E__walk2_cb(unsigned n, const H5E_error2_t *err_desc, void *client_data) else HDfprintf(stream, "thread 0"); } /* end block */ -#elif defined(H5_HAVE_THREADSAFE) - HDfprintf(stream, "thread %lu", (unsigned long)HDpthread_self_ulong()); #else - HDfprintf(stream, "thread 0"); + HDfprintf(stream, "thread %" PRIu64, H5TS_thread_id()); #endif HDfprintf(stream, ":\n"); } /* end if */ @@ -37,6 +37,31 @@ H5TS_key_t H5TS_funcstk_key_g; H5TS_key_t H5TS_apictx_key_g; H5TS_key_t H5TS_cancel_key_g; +#ifndef H5_HAVE_WIN_THREADS + +/* An H5TS_tid_t is a record of a thread identifier that is + * available for reuse. + */ +struct _tid; +typedef struct _tid H5TS_tid_t; + +struct _tid { + H5TS_tid_t *next; + uint64_t id; +}; + +/* Pointer to first free thread ID record or NULL. */ +static H5TS_tid_t *H5TS_tid_next_free = NULL; +static uint64_t H5TS_tid_next_id = 0; + +/* Mutual exclusion for access to H5TS_tid_next_free and H5TS_tid_next_id. */ +static pthread_mutex_t H5TS_tid_mtx; + +/* Key for thread-local storage of the thread ID. */ +static H5TS_key_t H5TS_tid_key; + +#endif /* H5_HAVE_WIN_THREADS */ + /*-------------------------------------------------------------------------- * NAME @@ -70,6 +95,127 @@ H5TS_key_destructor(void *key_val) /*-------------------------------------------------------------------------- * NAME + * H5TS_tid_destructor + * + * USAGE + * H5TS_tid_destructor() + * + * RETURNS + * + * DESCRIPTION + * When a thread shuts down, put its ID record on the free list. + * + *-------------------------------------------------------------------------- + */ +static void +H5TS_tid_destructor(void *_v) +{ + H5TS_tid_t *tid = _v; + + if (tid == NULL) + return; + + /* TBD use an atomic CAS */ + pthread_mutex_lock(&H5TS_tid_mtx); + tid->next = H5TS_tid_next_free; + H5TS_tid_next_free = tid; + pthread_mutex_unlock(&H5TS_tid_mtx); +} + +/*-------------------------------------------------------------------------- + * NAME + * H5TS_tid_init + * + * USAGE + * H5TS_tid_init() + * + * RETURNS + * + * DESCRIPTION + * Initialize for integer thread identifiers. + * + *-------------------------------------------------------------------------- + */ +static void +H5TS_tid_init(void) +{ + pthread_mutex_init(&H5TS_tid_mtx, NULL); + pthread_key_create(&H5TS_tid_key, H5TS_tid_destructor); +} + +/*-------------------------------------------------------------------------- + * NAME + * H5TS_thread_id + * + * USAGE + * uint64_t id = H5TS_thread_id() + * + * RETURNS + * Return an integer identifier, ID, for the current thread. + * + * DESCRIPTION + * The ID satisfies the following properties: + * + * 1 1 <= ID <= UINT64_MAX + * 2 ID is constant over the thread's lifetime. + * 3 No two threads share an ID during their lifetimes. + * 4 A thread's ID is available for reuse as soon as it is joined. + * + * ID 0 is reserved. H5TS_thread_id() returns 0 if the library was not + * built with thread safety or if an error prevents it from assigning an + * ID. + * + *-------------------------------------------------------------------------- + */ +uint64_t +H5TS_thread_id(void) +{ + H5TS_tid_t *tid = pthread_getspecific(H5TS_tid_key); + H5TS_tid_t proto_tid; + + /* An ID is already assigned. */ + if (tid != NULL) + return tid->id; + + /* An ID is *not* already assigned: reuse an ID that's on the + * free list, or else generate a new ID. + * + * Allocating memory while holding a mutex is bad form, so + * point `tid` at `proto_tid` if we need to allocate some + * memory. + */ + pthread_mutex_lock(&H5TS_tid_mtx); + if ((tid = H5TS_tid_next_free) != NULL) + H5TS_tid_next_free = tid->next; + else if (H5TS_tid_next_id != UINT64_MAX) { + tid = &proto_tid; + tid->id = ++H5TS_tid_next_id; + } + pthread_mutex_unlock(&H5TS_tid_mtx); + + /* If a prototype ID record was established, copy it to the heap. */ + if (tid == &proto_tid) { + if ((tid = HDmalloc(sizeof(*tid))) != NULL) + *tid = proto_tid; + } + + if (tid == NULL) + return 0; + + /* Finish initializing the ID record and set a thread-local pointer + * to it. + */ + tid->next = NULL; + if (pthread_setspecific(H5TS_tid_key, tid) != 0) { + H5TS_tid_destructor(tid); + return 0; + } + + return tid->id; +} + +/*-------------------------------------------------------------------------- + * NAME * H5TS_pthread_first_thread_init * * USAGE @@ -104,6 +250,9 @@ H5TS_pthread_first_thread_init(void) pthread_cond_init(&H5_g.init_lock.cond_var, NULL); H5_g.init_lock.lock_count = 0; + /* Initialize integer thread identifiers. */ + H5TS_tid_init(); + /* initialize key for thread-specific error stacks */ pthread_key_create(&H5TS_errstk_key_g, H5TS_key_destructor); @@ -151,7 +300,7 @@ H5TS_mutex_lock(H5TS_mutex_t *mutex) if (ret_value) return ret_value; - if(mutex->lock_count && pthread_equal(HDpthread_self(), mutex->owner_thread)) { + if(mutex->lock_count && pthread_equal(pthread_self(), mutex->owner_thread)) { /* already owned by self - increment count */ mutex->lock_count++; } else { @@ -160,7 +309,7 @@ H5TS_mutex_lock(H5TS_mutex_t *mutex) pthread_cond_wait(&mutex->cond_var, &mutex->atomic_lock); /* After we've received the signal, take ownership of the mutex */ - mutex->owner_thread = HDpthread_self(); + mutex->owner_thread = pthread_self(); mutex->lock_count = 1; } diff --git a/src/H5TSprivate.h b/src/H5TSprivate.h index 9e093a6..887f001 100644 --- a/src/H5TSprivate.h +++ b/src/H5TSprivate.h @@ -26,6 +26,7 @@ #ifndef H5TSprivate_H_ #define H5TSprivate_H_ +#ifdef H5_HAVE_THREADSAFE /* Public headers needed by this file */ #ifdef LATER #include "H5TSpublic.h" /*Public API prototypes */ @@ -68,7 +69,7 @@ H5_DLL void H5TS_win32_process_exit(void); H5_DLL herr_t H5TS_win32_thread_enter(void); H5_DLL herr_t H5TS_win32_thread_exit(void); - +#define H5TS_thread_id() ((uint64_t)GetCurrentThreadId()) #else /* H5_HAVE_WIN_THREADS */ @@ -102,6 +103,7 @@ typedef pthread_once_t H5TS_once_t; #define H5TS_mutex_init(mutex) pthread_mutex_init(mutex, NULL) #define H5TS_mutex_lock_simple(mutex) pthread_mutex_lock(mutex) #define H5TS_mutex_unlock_simple(mutex) pthread_mutex_unlock(mutex) +H5_DLL uint64_t H5TS_thread_id(void); #endif /* H5_HAVE_WIN_THREADS */ @@ -127,5 +129,11 @@ H5_DLL H5TS_thread_t H5TS_create_thread(void *(*func)(void *), H5TS_attr_t * att } #endif /* c_plusplus || __cplusplus */ +#else /* H5_HAVE_THREADSAFE */ + +#define H5TS_thread_id() ((uint64_t)0) + +#endif /* H5_HAVE_THREADSAFE */ + #endif /* H5TSprivate_H_ */ diff --git a/src/H5private.h b/src/H5private.h index 5b1c4db..c0d39fc 100644 --- a/src/H5private.h +++ b/src/H5private.h @@ -1596,15 +1596,6 @@ extern char *strdup(const char *s); #define HDstrdup(S) strdup(S) #endif /* HDstrdup */ -#ifndef HDpthread_self - #define HDpthread_self() pthread_self() -#endif /* HDpthread_self */ - -/* Use this version of pthread_self for printing the thread ID */ -#ifndef HDpthread_self_ulong - #define HDpthread_self_ulong() ((unsigned long)pthread_self()) -#endif /* HDpthread_self_ulong */ - /* Macro for "stringizing" an integer in the C preprocessor (use H5_TOSTRING) */ /* (use H5_TOSTRING, H5_STRINGIZE is just part of the implementation) */ #define H5_STRINGIZE(x) #x diff --git a/src/H5win32defs.h b/src/H5win32defs.h index 8c5ae1a..71162eb 100644 --- a/src/H5win32defs.h +++ b/src/H5win32defs.h @@ -199,10 +199,6 @@ extern "C" { /* Non-POSIX functions */ -/* Don't use actual pthread_self on Windows because the return - * type cannot be cast as a ulong like other systems. */ -#define HDpthread_self_ulong() ((unsigned long)GetCurrentThreadId()) - #ifndef H5_HAVE_MINGW #define HDftruncate(F,L) _chsize_s(F,L) #define HDfseek(F,O,W) _fseeki64(F,O,W) diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt index 323656f..4cb94a2 100644 --- a/test/CMakeLists.txt +++ b/test/CMakeLists.txt @@ -248,6 +248,7 @@ set (H5_TESTS cache_logging cork swmr + thread_id # special link ) macro (ADD_H5_EXE file) @@ -269,6 +270,7 @@ set (H5_TESTS_MULTIPLE testhdf5 cache_image ttsafe + thread_id # special link ) # Only build single source tests here foreach (h5_test ${H5_TESTS}) @@ -340,6 +342,25 @@ else () endif () set_target_properties (ttsafe PROPERTIES FOLDER test) +######### Special handling for extra link lib of threads ############# +#-- Adding test for thread_id +add_executable (thread_id ${HDF5_TEST_SOURCE_DIR}/thread_id.c) +target_compile_options(thread_id PRIVATE "${HDF5_CMAKE_C_FLAGS}") +target_include_directories (thread_id PRIVATE "${HDF5_SRC_DIR};${HDF5_BINARY_DIR};$<$<BOOL:${HDF5_ENABLE_PARALLEL}>:${MPI_C_INCLUDE_DIRS}>") +if (NOT BUILD_SHARED_LIBS) + TARGET_C_PROPERTIES (thread_id STATIC) + target_link_libraries (thread_id PRIVATE ${HDF5_TEST_LIB_TARGET}) + if (NOT WIN32) + target_link_libraries (thread_id + PRIVATE $<$<BOOL:${HDF5_ENABLE_THREADSAFE}>:Threads::Threads> + ) + endif () +else () + TARGET_C_PROPERTIES (thread_id SHARED) + target_link_libraries (thread_id PRIVATE ${HDF5_TEST_LIBSH_TARGET} $<$<BOOL:${HDF5_ENABLE_THREADSAFE}>:Threads::Threads>) +endif () +set_target_properties (thread_id PROPERTIES FOLDER test) + ############################################################################## ### A D D I T I O N A L T E S T S ### ############################################################################## diff --git a/test/Makefile.am b/test/Makefile.am index 276b262..3996f7e 100644 --- a/test/Makefile.am +++ b/test/Makefile.am @@ -63,7 +63,7 @@ TEST_PROG= testhdf5 \ flush1 flush2 app_ref enum set_extent ttsafe enc_dec_plist \ enc_dec_plist_cross_platform getname vfd ros3 s3comms hdfs ntypes \ dangle dtransform reserved cross_read freespace mf vds file_image \ - unregister cache_logging cork swmr + unregister cache_logging cork swmr thread_id # List programs to be built when testing here. # error_test and err_compat are built at the same time as the other tests, but executed by testerror.sh. diff --git a/test/h5test.c b/test/h5test.c index ea67e45..2613ce1 100644 --- a/test/h5test.c +++ b/test/h5test.c @@ -1060,10 +1060,8 @@ h5_show_hostname(void) else HDprintf("thread 0."); } -#elif defined(H5_HAVE_THREADSAFE) - HDprintf("thread %lu.", HDpthread_self_ulong()); #else - HDprintf("thread 0."); + HDprintf("thread %" PRIu64 ".", H5TS_thread_id()); #endif #ifdef H5_HAVE_WIN32_API diff --git a/test/thread_id.c b/test/thread_id.c new file mode 100644 index 0000000..24aef80 --- /dev/null +++ b/test/thread_id.c @@ -0,0 +1,330 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by The HDF Group. * + * All rights reserved. * + * * + * This file is part of HDF5. The full HDF5 copyright notice, including * + * terms governing use, modification, and redistribution, is contained in * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +/* Check that a thread ID returned by H5TS_thread_id() possesses the + * following properties: + * + * 1 ID >= 1. + * 2 The ID is constant over the thread's lifetime. + * 3 No two threads share an ID during their lifetimes. + * 4 A thread's ID is available for reuse as soon as it is joined. + */ + +/* + * Include required headers. This file tests internal library functions, + * so we include the private headers here. + */ +#include "testhdf5.h" + +static void my_errx(int, const char *, ...) H5_ATTR_FORMAT(printf, 2, 3); + +static void +my_errx(int code, const char *fmt, ...) +{ + va_list ap; + + (void)HDfprintf(stderr, "thread_id: "); + HDva_start(ap, fmt); + (void)HDvfprintf(stderr, fmt, ap); + HDva_end(ap); + (void)HDfputc('\n', stderr); + HDexit(code); +} + +#if defined(H5_HAVE_THREADSAFE) && !defined(H5_HAVE_WIN_THREADS) + +#if defined(H5_HAVE_DARWIN) + +typedef struct _pthread_barrierattr { + uint8_t unused; +} pthread_barrierattr_t; + +typedef struct _pthread_barrier { + uint32_t magic; + unsigned int count; + uint64_t nentered; + pthread_cond_t cv; + pthread_mutex_t mtx; +} pthread_barrier_t; + +int pthread_barrier_init(pthread_barrier_t *, const pthread_barrierattr_t *, + unsigned int); +int pthread_barrier_wait(pthread_barrier_t *); +int pthread_barrier_destroy(pthread_barrier_t *); + +static const uint32_t barrier_magic = 0xf00dd00f; + +int +pthread_barrier_init(pthread_barrier_t *barrier, + const pthread_barrierattr_t *attr, unsigned int count) +{ + int rc; + + if (count == 0) + return EINVAL; + + if (attr != NULL) + return EINVAL; + + memset(barrier, 0, sizeof(*barrier)); + + barrier->count = count; + + if ((rc = pthread_cond_init(&barrier->cv, NULL)) != 0) + return rc; + + if ((rc = pthread_mutex_init(&barrier->mtx, NULL)) != 0) { + (void)pthread_cond_destroy(&barrier->cv); + return rc; + } + + barrier->magic = barrier_magic; + + return 0; +} + +static void +barrier_lock(pthread_barrier_t *barrier) +{ + int rc; + + if ((rc = pthread_mutex_lock(&barrier->mtx)) != 0) { + my_errx(EXIT_FAILURE, "%s: pthread_mutex_lock: %s", __func__, + strerror(rc)); + } +} + +static void +barrier_unlock(pthread_barrier_t *barrier) +{ + int rc; + + if ((rc = pthread_mutex_unlock(&barrier->mtx)) != 0) { + my_errx(EXIT_FAILURE, "%s: pthread_mutex_unlock: %s", __func__, + strerror(rc)); + } +} + +int +pthread_barrier_destroy(pthread_barrier_t *barrier) +{ + int rc; + + barrier_lock(barrier); + if (barrier->magic != barrier_magic) + rc = EINVAL; + else if (barrier->nentered % barrier->count != 0) + rc = EBUSY; + else { + rc = 0; + barrier->magic = ~barrier->magic; + } + barrier_unlock(barrier); + + if (rc != 0) + return rc; + + (void)pthread_cond_destroy(&barrier->cv); + (void)pthread_mutex_destroy(&barrier->mtx); + + return 0; +} + +int +pthread_barrier_wait(pthread_barrier_t *barrier) +{ + int rc; + uint64_t threshold; + + if (barrier == NULL) + return EINVAL; + + barrier_lock(barrier); + if (barrier->magic != barrier_magic) { + rc = EINVAL; + goto out; + } + /* Compute the release `threshold`. All threads entering with count = 5 + * and `nentered` in [0, 4] should be released once `nentered` reaches 5: + * call 5 the release `threshold`. All threads entering with count = 5 + * and `nentered` in [5, 9] should be released once `nentered` reaches 10. + */ + threshold = (barrier->nentered / barrier->count + 1) * barrier->count; + barrier->nentered++; + while (barrier->nentered < threshold) { + if ((rc = pthread_cond_wait(&barrier->cv, &barrier->mtx)) != 0) + goto out; + } + rc = pthread_cond_broadcast(&barrier->cv); +out: + barrier_unlock(barrier); + return rc; +} + +#endif /* H5_HAVE_DARWIN */ + +static void my_err(int, const char *, ...) H5_ATTR_FORMAT(printf, 2, 3); + +static void +my_err(int code, const char *fmt, ...) +{ + va_list ap; + int errno_copy = errno; + + (void)HDfprintf(stderr, "thread_id: "); + HDva_start(ap, fmt); + (void)HDvfprintf(stderr, fmt, ap); + HDva_end(ap); + (void)HDfprintf(stderr, ": %s\n", HDstrerror(errno_copy)); + HDexit(code); +} + +#define threads_failure(_call, _result) do { \ + my_errx(EXIT_FAILURE, "%s.%d: " #_call ": %s", __func__, \ + __LINE__, HDstrerror(_result)); \ +} while (false) + +#define NTHREADS 5 + +static volatile bool failed = false; +static pthread_barrier_t barrier; +static bool used[NTHREADS]; +static pthread_mutex_t used_lock; + +static void +atomic_printf(const char *fmt, ...) +{ + char buf[80]; + va_list ap; + ssize_t nprinted, nwritten; + + va_start(ap, fmt); + nprinted = vsnprintf(buf, sizeof(buf), fmt, ap); + va_end(ap); + + if (nprinted == -1) + my_err(EXIT_FAILURE, "%s.%d: vsnprintf", __func__, __LINE__); + else if (nprinted >= (ssize_t)sizeof(buf)) + my_errx(EXIT_FAILURE, "%s.%d: vsnprintf overflowed", __func__, __LINE__); + + nwritten = write(STDOUT_FILENO, buf, (size_t)nprinted); + if (nwritten < nprinted) { + my_errx(EXIT_FAILURE, "%s.%d: write error or short write", + __func__, __LINE__); + } +} + +/* Each thread runs this routine. The routine fetches the current + * thread's ID, makes sure that it is in the expected range, makes + * sure that in this round of testing, no two threads shared the + * same ID, and checks that each thread's ID is constant over its lifetime. + * + * main() checks that every ID in [1, NTHREADS] is used in each round + * of testing. All NTHREADS threads synchronize on a barrier after each + * has fetched its ID. The barrier guarantees that all threads' lifetimes + * overlap at least momentarily, so the IDs will be unique, and there + * will be NTHREADS of them. Further, since thread IDs are assigned + * starting with 1, and the number of threads with IDs alive never exceeds + * NTHREADS, the least ID has to be 1 and the greatest, NTHREADS. + */ +static void * +thread_main(void H5_ATTR_UNUSED *arg) +{ + uint64_t ntid, tid; + + tid = H5TS_thread_id(); + + if (tid < 1 || NTHREADS < tid) { + atomic_printf("unexpected tid %" PRIu64 " FAIL\n", tid); + goto pre_barrier_error; + } + pthread_mutex_lock(&used_lock); + if (used[tid - 1]) { + atomic_printf("reused tid %" PRIu64 " FAIL\n", tid); + pthread_mutex_unlock(&used_lock); + goto pre_barrier_error; + } + used[tid - 1] = true; + pthread_mutex_unlock(&used_lock); + + atomic_printf("tid %" PRIu64 " in [1, %d] PASS\n", tid, NTHREADS); + pthread_barrier_wait(&barrier); + + ntid = H5TS_thread_id(); + if (ntid != tid) { + atomic_printf("tid changed from %" PRIu64 " to %" PRIu64 " FAIL\n", + tid, ntid); + failed = true; + } + return NULL; +pre_barrier_error: + pthread_barrier_wait(&barrier); + failed = true; + return NULL; +} + +int +main(void) +{ + int i, rc, times; + pthread_t threads[NTHREADS]; + + /* Run H5open() to initialize the library's thread-ID freelist, + * mutex, etc. + */ + if (H5open() != SUCCEED) + my_errx(EXIT_FAILURE, "%s.%d: H5open failed", __func__, __LINE__); + + if ((rc = pthread_mutex_init(&used_lock, NULL)) == -1) + threads_failure(pthread_mutex_init, rc); + + if ((rc = pthread_barrier_init(&barrier, NULL, NTHREADS)) != 0) + threads_failure(pthread_barrier_init, rc); + + /* Start the test threads and join them twice to make sure that + * the thread IDs are recycled in the second round. + */ + for (times = 0; times < 2; times++) { + + for (i = 0; i < NTHREADS; i++) + used[i] = false; // access synchronized by thread create/join + + for (i = 0; i < NTHREADS; i++) { + rc = pthread_create(&threads[i], NULL, thread_main, NULL); + if (rc != 0) + threads_failure(pthread_create, rc); + } + + for (i = 0; i < NTHREADS; i++) { + rc = pthread_join(threads[i], NULL); + if (rc != 0) + threads_failure(pthread_join, rc); + } + + for (i = 0; i < NTHREADS; i++) { + if (!used[i]) // access synchronized by thread create/join + my_errx(EXIT_FAILURE, "thread ID %d did not run.", i + 1); + } + } + if ((rc = pthread_barrier_destroy(&barrier)) != 0) + threads_failure(pthread_barrier_destroy, rc); + return failed ? EXIT_FAILURE : EXIT_SUCCESS; +} + +#else /*H5_HAVE_THREADSAFE && !H5_HAVE_WIN_THREADS*/ +int +main(void) +{ + HDfprintf(stderr, "not implemented in this configuration.\n"); + return EXIT_SUCCESS; +} +#endif /*H5_HAVE_THREADSAFE && !H5_HAVE_WIN_THREADS*/ diff --git a/test/ttsafe.h b/test/ttsafe.h index c29fadc..f1cbe4d 100644 --- a/test/ttsafe.h +++ b/test/ttsafe.h @@ -35,12 +35,14 @@ void tts_dcreate(void); void tts_error(void); void tts_cancel(void); void tts_acreate(void); +void tts_attr_vlen(void); /* Prototypes for the cleanup routines */ void cleanup_dcreate(void); void cleanup_error(void); void cleanup_cancel(void); void cleanup_acreate(void); +void cleanup_attr_vlen(void); #endif /* H5_HAVE_THREADSAFE */ #endif /* TTSAFE_H */ diff --git a/test/ttsafe_cancel.c b/test/ttsafe_cancel.c index dd52232..f6bcd0d 100644 --- a/test/ttsafe_cancel.c +++ b/test/ttsafe_cancel.c @@ -61,7 +61,7 @@ tts_cancel(void) pthread_attr_t attribute; hid_t dataset; int buffer; - int ret; + int H5_ATTR_NDEBUG_UNUSED ret; /* make thread scheduling global */ ret=pthread_attr_init(&attribute); |