qemu-block: deprecated/defunct, remove from tree

qemu-block xlator is not used by anyone, or so I'm told.

It's also substantially out of date. There's little reason to keep
it in our sources. (And FedoraProject doesn't like bundled software
either.)

Change-Id: I4aeb2fdfd962ec6d93de6bae126874121272220a
Signed-off-by: Kaleb S KEITHLEY <kkeithle@redhat.com>
Reviewed-on: http://review.gluster.org/13473
Smoke: Gluster Build System <jenkins@build.gluster.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Shyamsundar Ranganathan <srangana@redhat.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>

1 files changed, 0 insertions, 327 deletions

diff --git a/contrib/qemu/util/qemu-thread-posix.c b/contrib/qemu/util/qemu-thread-posix.c
deleted file mode 100644
index 4489abf1d85..00000000000
--- a/contrib/qemu/util/qemu-thread-posix.c
+++ /dev/null
@@ -1,327 +0,0 @@
-/*
- * Wrappers around mutex/cond/thread functions
- *
- * Copyright Red Hat, Inc. 2009
- *
- * Author:
- *  Marcelo Tosatti <mtosatti@redhat.com>
- *
- * This work is licensed under the terms of the GNU GPL, version 2 or later.
- * See the COPYING file in the top-level directory.
- *
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include <errno.h>
-#include <time.h>
-#include <signal.h>
-#include <stdint.h>
-#include <string.h>
-#include <limits.h>
-#include <unistd.h>
-#include <sys/time.h>
-#include "qemu/thread.h"
-
-static void error_exit(int err, const char *msg)
-{
-    fprintf(stderr, "qemu: %s: %s\n", msg, strerror(err));
-    abort();
-}
-
-void qemu_mutex_init(QemuMutex *mutex)
-{
-    int err;
-    pthread_mutexattr_t mutexattr;
-
-    pthread_mutexattr_init(&mutexattr);
-    pthread_mutexattr_settype(&mutexattr, PTHREAD_MUTEX_ERRORCHECK);
-    err = pthread_mutex_init(&mutex->lock, &mutexattr);
-    pthread_mutexattr_destroy(&mutexattr);
-    if (err)
-        error_exit(err, __func__);
-}
-
-void qemu_mutex_destroy(QemuMutex *mutex)
-{
-    int err;
-
-    err = pthread_mutex_destroy(&mutex->lock);
-    if (err)
-        error_exit(err, __func__);
-}
-
-void qemu_mutex_lock(QemuMutex *mutex)
-{
-    int err;
-
-    err = pthread_mutex_lock(&mutex->lock);
-    if (err)
-        error_exit(err, __func__);
-}
-
-int qemu_mutex_trylock(QemuMutex *mutex)
-{
-    return pthread_mutex_trylock(&mutex->lock);
-}
-
-void qemu_mutex_unlock(QemuMutex *mutex)
-{
-    int err;
-
-    err = pthread_mutex_unlock(&mutex->lock);
-    if (err)
-        error_exit(err, __func__);
-}
-
-void qemu_cond_init(QemuCond *cond)
-{
-    int err;
-
-    err = pthread_cond_init(&cond->cond, NULL);
-    if (err)
-        error_exit(err, __func__);
-}
-
-void qemu_cond_destroy(QemuCond *cond)
-{
-    int err;
-
-    err = pthread_cond_destroy(&cond->cond);
-    if (err)
-        error_exit(err, __func__);
-}
-
-void qemu_cond_signal(QemuCond *cond)
-{
-    int err;
-
-    err = pthread_cond_signal(&cond->cond);
-    if (err)
-        error_exit(err, __func__);
-}
-
-void qemu_cond_broadcast(QemuCond *cond)
-{
-    int err;
-
-    err = pthread_cond_broadcast(&cond->cond);
-    if (err)
-        error_exit(err, __func__);
-}
-
-void qemu_cond_wait(QemuCond *cond, QemuMutex *mutex)
-{
-    int err;
-
-    err = pthread_cond_wait(&cond->cond, &mutex->lock);
-    if (err)
-        error_exit(err, __func__);
-}
-
-void qemu_sem_init(QemuSemaphore *sem, int init)
-{
-    int rc;
-
-#if defined(__APPLE__) || defined(__NetBSD__)
-    rc = pthread_mutex_init(&sem->lock, NULL);
-    if (rc != 0) {
-        error_exit(rc, __func__);
-    }
-    rc = pthread_cond_init(&sem->cond, NULL);
-    if (rc != 0) {
-        error_exit(rc, __func__);
-    }
-    if (init < 0) {
-        error_exit(EINVAL, __func__);
-    }
-    sem->count = init;
-#else
-    rc = sem_init(&sem->sem, 0, init);
-    if (rc < 0) {
-        error_exit(errno, __func__);
-    }
-#endif
-}
-
-void qemu_sem_destroy(QemuSemaphore *sem)
-{
-    int rc;
-
-#if defined(__APPLE__) || defined(__NetBSD__)
-    rc = pthread_cond_destroy(&sem->cond);
-    if (rc < 0) {
-        error_exit(rc, __func__);
-    }
-    rc = pthread_mutex_destroy(&sem->lock);
-    if (rc < 0) {
-        error_exit(rc, __func__);
-    }
-#else
-    rc = sem_destroy(&sem->sem);
-    if (rc < 0) {
-        error_exit(errno, __func__);
-    }
-#endif
-}
-
-void qemu_sem_post(QemuSemaphore *sem)
-{
-    int rc;
-
-#if defined(__APPLE__) || defined(__NetBSD__)
-    pthread_mutex_lock(&sem->lock);
-    if (sem->count == INT_MAX) {
-        rc = EINVAL;
-    } else if (sem->count++ < 0) {
-        rc = pthread_cond_signal(&sem->cond);
-    } else {
-        rc = 0;
-    }
-    pthread_mutex_unlock(&sem->lock);
-    if (rc != 0) {
-        error_exit(rc, __func__);
-    }
-#else
-    rc = sem_post(&sem->sem);
-    if (rc < 0) {
-        error_exit(errno, __func__);
-    }
-#endif
-}
-
-static void compute_abs_deadline(struct timespec *ts, int ms)
-{
-    struct timeval tv;
-    gettimeofday(&tv, NULL);
-    ts->tv_nsec = tv.tv_usec * 1000 + (ms % 1000) * 1000000;
-    ts->tv_sec = tv.tv_sec + ms / 1000;
-    if (ts->tv_nsec >= 1000000000) {
-        ts->tv_sec++;
-        ts->tv_nsec -= 1000000000;
-    }
-}
-
-int qemu_sem_timedwait(QemuSemaphore *sem, int ms)
-{
-    int rc;
-    struct timespec ts;
-
-#if defined(__APPLE__) || defined(__NetBSD__)
-    compute_abs_deadline(&ts, ms);
-    pthread_mutex_lock(&sem->lock);
-    --sem->count;
-    while (sem->count < 0) {
-        rc = pthread_cond_timedwait(&sem->cond, &sem->lock, &ts);
-        if (rc == ETIMEDOUT) {
-            ++sem->count;
-            break;
-        }
-        if (rc != 0) {
-            error_exit(rc, __func__);
-        }
-    }
-    pthread_mutex_unlock(&sem->lock);
-    return (rc == ETIMEDOUT ? -1 : 0);
-#else
-    if (ms <= 0) {
-        /* This is cheaper than sem_timedwait.  */
-        do {
-            rc = sem_trywait(&sem->sem);
-        } while (rc == -1 && errno == EINTR);
-        if (rc == -1 && errno == EAGAIN) {
-            return -1;
-        }
-    } else {
-        compute_abs_deadline(&ts, ms);
-        do {
-            rc = sem_timedwait(&sem->sem, &ts);
-        } while (rc == -1 && errno == EINTR);
-        if (rc == -1 && errno == ETIMEDOUT) {
-            return -1;
-        }
-    }
-    if (rc < 0) {
-        error_exit(errno, __func__);
-    }
-    return 0;
-#endif
-}
-
-void qemu_sem_wait(QemuSemaphore *sem)
-{
-#if defined(__APPLE__) || defined(__NetBSD__)
-    pthread_mutex_lock(&sem->lock);
-    --sem->count;
-    while (sem->count < 0) {
-        pthread_cond_wait(&sem->cond, &sem->lock);
-    }
-    pthread_mutex_unlock(&sem->lock);
-#else
-    int rc;
-
-    do {
-        rc = sem_wait(&sem->sem);
-    } while (rc == -1 && errno == EINTR);
-    if (rc < 0) {
-        error_exit(errno, __func__);
-    }
-#endif
-}
-
-void qemu_thread_create(QemuThread *thread,
-                       void *(*start_routine)(void*),
-                       void *arg, int mode)
-{
-    sigset_t set, oldset;
-    int err;
-    pthread_attr_t attr;
-
-    err = pthread_attr_init(&attr);
-    if (err) {
-        error_exit(err, __func__);
-    }
-    if (mode == QEMU_THREAD_DETACHED) {
-        err = pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
-        if (err) {
-            error_exit(err, __func__);
-        }
-    }
-
-    /* Leave signal handling to the iothread.  */
-    sigfillset(&set);
-    pthread_sigmask(SIG_SETMASK, &set, &oldset);
-    err = pthread_create(&thread->thread, &attr, start_routine, arg);
-    if (err)
-        error_exit(err, __func__);
-
-    pthread_sigmask(SIG_SETMASK, &oldset, NULL);
-
-    pthread_attr_destroy(&attr);
-}
-
-void qemu_thread_get_self(QemuThread *thread)
-{
-    thread->thread = pthread_self();
-}
-
-bool qemu_thread_is_self(QemuThread *thread)
-{
-   return pthread_equal(pthread_self(), thread->thread);
-}
-
-void qemu_thread_exit(void *retval)
-{
-    pthread_exit(retval);
-}
-
-void *qemu_thread_join(QemuThread *thread)
-{
-    int err;
-    void *ret;
-
-    err = pthread_join(thread->thread, &ret);
-    if (err) {
-        error_exit(err, __func__);
-    }
-    return ret;
-}