--- /dev/null
+/*-
+ * BSD LICENSE
+ *
+ * Copyright(c) 2015 Intel Corporation. All rights reserved.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Intel Corporation nor the names of its
+ * contributors may be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <errno.h>
+#define __USE_GNU
+#include <sched.h>
+#include <dlfcn.h>
+
+#include <rte_log.h>
+
+#include "lthread_api.h"
+#include "pthread_shim.h"
+
+#define RTE_LOGTYPE_PTHREAD_SHIM RTE_LOGTYPE_USER3
+
+#define POSIX_ERRNO(x) (x)
+
+/*
+ * this flag determines at run time if we override pthread
+ * calls and map then to equivalent lthread calls
+ * or of we call the standard pthread function
+ */
+static __thread int override;
+
+
+/*
+ * this structures contains function pointers that will be
+ * initialised to the loaded address of the real
+ * pthread library API functions
+ */
+struct pthread_lib_funcs {
+int (*f_pthread_barrier_destroy)
+ (pthread_barrier_t *);
+int (*f_pthread_barrier_init)
+ (pthread_barrier_t *, const pthread_barrierattr_t *, unsigned);
+int (*f_pthread_barrier_wait)
+ (pthread_barrier_t *);
+int (*f_pthread_cond_broadcast)
+ (pthread_cond_t *);
+int (*f_pthread_cond_destroy)
+ (pthread_cond_t *);
+int (*f_pthread_cond_init)
+ (pthread_cond_t *, const pthread_condattr_t *);
+int (*f_pthread_cond_signal)
+ (pthread_cond_t *);
+int (*f_pthread_cond_timedwait)
+ (pthread_cond_t *, pthread_mutex_t *, const struct timespec *);
+int (*f_pthread_cond_wait)
+ (pthread_cond_t *, pthread_mutex_t *);
+int (*f_pthread_create)
+ (pthread_t *, const pthread_attr_t *, void *(*)(void *), void *);
+int (*f_pthread_detach)
+ (pthread_t);
+int (*f_pthread_equal)
+ (pthread_t, pthread_t);
+void (*f_pthread_exit)
+ (void *);
+void * (*f_pthread_getspecific)
+ (pthread_key_t);
+int (*f_pthread_getcpuclockid)
+ (pthread_t, clockid_t *);
+int (*f_pthread_join)
+ (pthread_t, void **);
+int (*f_pthread_key_create)
+ (pthread_key_t *, void (*) (void *));
+int (*f_pthread_key_delete)
+ (pthread_key_t);
+int (*f_pthread_mutex_destroy)
+ (pthread_mutex_t *__mutex);
+int (*f_pthread_mutex_init)
+ (pthread_mutex_t *__mutex, const pthread_mutexattr_t *);
+int (*f_pthread_mutex_lock)
+ (pthread_mutex_t *__mutex);
+int (*f_pthread_mutex_trylock)
+ (pthread_mutex_t *__mutex);
+int (*f_pthread_mutex_timedlock)
+ (pthread_mutex_t *__mutex, const struct timespec *);
+int (*f_pthread_mutex_unlock)
+ (pthread_mutex_t *__mutex);
+int (*f_pthread_once)
+ (pthread_once_t *, void (*) (void));
+int (*f_pthread_rwlock_destroy)
+ (pthread_rwlock_t *__rwlock);
+int (*f_pthread_rwlock_init)
+ (pthread_rwlock_t *__rwlock, const pthread_rwlockattr_t *);
+int (*f_pthread_rwlock_rdlock)
+ (pthread_rwlock_t *__rwlock);
+int (*f_pthread_rwlock_timedrdlock)
+ (pthread_rwlock_t *__rwlock, const struct timespec *);
+int (*f_pthread_rwlock_timedwrlock)
+ (pthread_rwlock_t *__rwlock, const struct timespec *);
+int (*f_pthread_rwlock_tryrdlock)
+ (pthread_rwlock_t *__rwlock);
+int (*f_pthread_rwlock_trywrlock)
+ (pthread_rwlock_t *__rwlock);
+int (*f_pthread_rwlock_unlock)
+ (pthread_rwlock_t *__rwlock);
+int (*f_pthread_rwlock_wrlock)
+ (pthread_rwlock_t *__rwlock);
+pthread_t (*f_pthread_self)
+ (void);
+int (*f_pthread_setspecific)
+ (pthread_key_t, const void *);
+int (*f_pthread_spin_init)
+ (pthread_spinlock_t *__spin, int);
+int (*f_pthread_spin_destroy)
+ (pthread_spinlock_t *__spin);
+int (*f_pthread_spin_lock)
+ (pthread_spinlock_t *__spin);
+int (*f_pthread_spin_trylock)
+ (pthread_spinlock_t *__spin);
+int (*f_pthread_spin_unlock)
+ (pthread_spinlock_t *__spin);
+int (*f_pthread_cancel)
+ (pthread_t);
+int (*f_pthread_setcancelstate)
+ (int, int *);
+int (*f_pthread_setcanceltype)
+ (int, int *);
+void (*f_pthread_testcancel)
+ (void);
+int (*f_pthread_getschedparam)
+ (pthread_t pthread, int *, struct sched_param *);
+int (*f_pthread_setschedparam)
+ (pthread_t, int, const struct sched_param *);
+int (*f_pthread_yield)
+ (void);
+int (*f_pthread_setaffinity_np)
+ (pthread_t thread, size_t cpusetsize, const cpu_set_t *cpuset);
+int (*f_nanosleep)
+ (const struct timespec *req, struct timespec *rem);
+} _sys_pthread_funcs = {
+ .f_pthread_barrier_destroy = NULL,
+};
+
+
+/*
+ * this macro obtains the loaded address of a library function
+ * and saves it.
+ */
+static void *__libc_dl_handle = RTLD_NEXT;
+
+#define get_addr_of_loaded_symbol(name) do { \
+ char *error_str; \
+ _sys_pthread_funcs.f_##name = dlsym(__libc_dl_handle, (#name)); \
+ error_str = dlerror(); \
+ if (error_str != NULL) { \
+ fprintf(stderr, "%s\n", error_str); \
+ } \
+} while (0)
+
+
+/*
+ * The constructor function initialises the
+ * function pointers for pthread library functions
+ */
+void
+pthread_intercept_ctor(void)__attribute__((constructor));
+void
+pthread_intercept_ctor(void)
+{
+ override = 0;
+ /*
+ * Get the original functions
+ */
+ get_addr_of_loaded_symbol(pthread_barrier_destroy);
+ get_addr_of_loaded_symbol(pthread_barrier_init);
+ get_addr_of_loaded_symbol(pthread_barrier_wait);
+ get_addr_of_loaded_symbol(pthread_cond_broadcast);
+ get_addr_of_loaded_symbol(pthread_cond_destroy);
+ get_addr_of_loaded_symbol(pthread_cond_init);
+ get_addr_of_loaded_symbol(pthread_cond_signal);
+ get_addr_of_loaded_symbol(pthread_cond_timedwait);
+ get_addr_of_loaded_symbol(pthread_cond_wait);
+ get_addr_of_loaded_symbol(pthread_create);
+ get_addr_of_loaded_symbol(pthread_detach);
+ get_addr_of_loaded_symbol(pthread_equal);
+ get_addr_of_loaded_symbol(pthread_exit);
+ get_addr_of_loaded_symbol(pthread_getspecific);
+ get_addr_of_loaded_symbol(pthread_getcpuclockid);
+ get_addr_of_loaded_symbol(pthread_join);
+ get_addr_of_loaded_symbol(pthread_key_create);
+ get_addr_of_loaded_symbol(pthread_key_delete);
+ get_addr_of_loaded_symbol(pthread_mutex_destroy);
+ get_addr_of_loaded_symbol(pthread_mutex_init);
+ get_addr_of_loaded_symbol(pthread_mutex_lock);
+ get_addr_of_loaded_symbol(pthread_mutex_trylock);
+ get_addr_of_loaded_symbol(pthread_mutex_timedlock);
+ get_addr_of_loaded_symbol(pthread_mutex_unlock);
+ get_addr_of_loaded_symbol(pthread_once);
+ get_addr_of_loaded_symbol(pthread_rwlock_destroy);
+ get_addr_of_loaded_symbol(pthread_rwlock_init);
+ get_addr_of_loaded_symbol(pthread_rwlock_rdlock);
+ get_addr_of_loaded_symbol(pthread_rwlock_timedrdlock);
+ get_addr_of_loaded_symbol(pthread_rwlock_timedwrlock);
+ get_addr_of_loaded_symbol(pthread_rwlock_tryrdlock);
+ get_addr_of_loaded_symbol(pthread_rwlock_trywrlock);
+ get_addr_of_loaded_symbol(pthread_rwlock_unlock);
+ get_addr_of_loaded_symbol(pthread_rwlock_wrlock);
+ get_addr_of_loaded_symbol(pthread_self);
+ get_addr_of_loaded_symbol(pthread_setspecific);
+ get_addr_of_loaded_symbol(pthread_spin_init);
+ get_addr_of_loaded_symbol(pthread_spin_destroy);
+ get_addr_of_loaded_symbol(pthread_spin_lock);
+ get_addr_of_loaded_symbol(pthread_spin_trylock);
+ get_addr_of_loaded_symbol(pthread_spin_unlock);
+ get_addr_of_loaded_symbol(pthread_cancel);
+ get_addr_of_loaded_symbol(pthread_setcancelstate);
+ get_addr_of_loaded_symbol(pthread_setcanceltype);
+ get_addr_of_loaded_symbol(pthread_testcancel);
+ get_addr_of_loaded_symbol(pthread_getschedparam);
+ get_addr_of_loaded_symbol(pthread_setschedparam);
+ get_addr_of_loaded_symbol(pthread_yield);
+ get_addr_of_loaded_symbol(pthread_setaffinity_np);
+ get_addr_of_loaded_symbol(nanosleep);
+}
+
+
+/*
+ * Enable/Disable pthread override
+ * state
+ * 0 disable
+ * 1 enable
+ */
+void pthread_override_set(int state)
+{
+ override = state;
+}
+
+
+/*
+ * Return pthread override state
+ * return
+ * 0 disable
+ * 1 enable
+ */
+int pthread_override_get(void)
+{
+ return override;
+}
+
+/*
+ * This macro is used to catch and log
+ * invocation of stubs for unimplemented pthread
+ * API functions.
+ */
+#define NOT_IMPLEMENTED do { \
+ if (override) { \
+ RTE_LOG(WARNING, \
+ PTHREAD_SHIM, \
+ "WARNING %s NOT IMPLEMENTED\n", \
+ __func__); \
+ } \
+} while (0)
+
+/*
+ * pthread API override functions follow
+ * Note in this example code only a subset of functions are
+ * implemented.
+ *
+ * The stub functions provided will issue a warning log
+ * message if an unimplemented function is invoked
+ *
+ */
+
+int pthread_barrier_destroy(pthread_barrier_t *a)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_barrier_destroy(a);
+}
+
+int
+pthread_barrier_init(pthread_barrier_t *a,
+ const pthread_barrierattr_t *b, unsigned c)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_barrier_init(a, b, c);
+}
+
+int pthread_barrier_wait(pthread_barrier_t *a)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_barrier_wait(a);
+}
+
+int pthread_cond_broadcast(pthread_cond_t *cond)
+{
+ if (override) {
+
+ lthread_cond_broadcast(*(struct lthread_cond **)cond);
+ return 0;
+ }
+ return _sys_pthread_funcs.f_pthread_cond_broadcast(cond);
+}
+
+int pthread_mutex_destroy(pthread_mutex_t *mutex)
+{
+ if (override)
+ return lthread_mutex_destroy(*(struct lthread_mutex **)mutex);
+ return _sys_pthread_funcs.f_pthread_mutex_destroy(mutex);
+}
+
+int pthread_cond_destroy(pthread_cond_t *cond)
+{
+ if (override)
+ return lthread_cond_destroy(*(struct lthread_cond **)cond);
+ return _sys_pthread_funcs.f_pthread_cond_destroy(cond);
+}
+
+int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr)
+{
+ if (override)
+ return lthread_cond_init(NULL,
+ (struct lthread_cond **)cond,
+ (const struct lthread_condattr *) attr);
+ return _sys_pthread_funcs.f_pthread_cond_init(cond, attr);
+}
+
+int pthread_cond_signal(pthread_cond_t *cond)
+{
+ if (override) {
+ lthread_cond_signal(*(struct lthread_cond **)cond);
+ return 0;
+ }
+ return _sys_pthread_funcs.f_pthread_cond_signal(cond);
+}
+
+int
+pthread_cond_timedwait(pthread_cond_t *__restrict cond,
+ pthread_mutex_t *__restrict mutex,
+ const struct timespec *__restrict time)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_cond_timedwait(cond, mutex, time);
+}
+
+int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
+{
+ if (override) {
+ pthread_mutex_unlock(mutex);
+ int rv = lthread_cond_wait(*(struct lthread_cond **)cond, 0);
+
+ pthread_mutex_lock(mutex);
+ return rv;
+ }
+ return _sys_pthread_funcs.f_pthread_cond_wait(cond, mutex);
+}
+
+int
+pthread_create(pthread_t *__restrict tid,
+ const pthread_attr_t *__restrict attr,
+ void *(func) (void *),
+ void *__restrict arg)
+{
+ if (override) {
+ int lcore = -1;
+
+ if (attr != NULL) {
+ /* determine CPU being requested */
+ cpu_set_t cpuset;
+
+ CPU_ZERO(&cpuset);
+ pthread_attr_getaffinity_np(attr,
+ sizeof(cpu_set_t),
+ &cpuset);
+
+ if (CPU_COUNT(&cpuset) != 1)
+ return POSIX_ERRNO(EINVAL);
+
+ for (lcore = 0; lcore < LTHREAD_MAX_LCORES; lcore++) {
+ if (!CPU_ISSET(lcore, &cpuset))
+ continue;
+ break;
+ }
+ }
+ return lthread_create((struct lthread **)tid, lcore,
+ (void (*)(void *))func, arg);
+ }
+ return _sys_pthread_funcs.f_pthread_create(tid, attr, func, arg);
+}
+
+int pthread_detach(pthread_t tid)
+{
+ if (override) {
+ struct lthread *lt = (struct lthread *)tid;
+
+ if (lt == lthread_current())
+ lthread_detach();
+ return 0;
+ NOT_IMPLEMENTED;
+ }
+ return _sys_pthread_funcs.f_pthread_detach(tid);
+}
+
+int pthread_equal(pthread_t a, pthread_t b)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_equal(a, b);
+}
+
+void pthread_exit_override(void *v)
+{
+ if (override) {
+ lthread_exit(v);
+ return;
+ }
+ _sys_pthread_funcs.f_pthread_exit(v);
+}
+
+void
+*pthread_getspecific(pthread_key_t key)
+{
+ if (override)
+ return lthread_getspecific((unsigned int) key);
+ return _sys_pthread_funcs.f_pthread_getspecific(key);
+}
+
+int pthread_getcpuclockid(pthread_t a, clockid_t *b)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_getcpuclockid(a, b);
+}
+
+int pthread_join(pthread_t tid, void **val)
+{
+ if (override)
+ return lthread_join((struct lthread *)tid, val);
+ return _sys_pthread_funcs.f_pthread_join(tid, val);
+}
+
+int pthread_key_create(pthread_key_t *keyptr, void (*dtor) (void *))
+{
+ if (override)
+ return lthread_key_create((unsigned int *)keyptr, dtor);
+ return _sys_pthread_funcs.f_pthread_key_create(keyptr, dtor);
+}
+
+int pthread_key_delete(pthread_key_t key)
+{
+ if (override) {
+ lthread_key_delete((unsigned int) key);
+ return 0;
+ }
+ return _sys_pthread_funcs.f_pthread_key_delete(key);
+}
+
+
+int
+pthread_mutex_init(pthread_mutex_t *mutex, const pthread_mutexattr_t *attr)
+{
+ if (override)
+ return lthread_mutex_init(NULL,
+ (struct lthread_mutex **)mutex,
+ (const struct lthread_mutexattr *)attr);
+ return _sys_pthread_funcs.f_pthread_mutex_init(mutex, attr);
+}
+
+int pthread_mutex_lock(pthread_mutex_t *mutex)
+{
+ if (override)
+ return lthread_mutex_lock(*(struct lthread_mutex **)mutex);
+ return _sys_pthread_funcs.f_pthread_mutex_lock(mutex);
+}
+
+int pthread_mutex_trylock(pthread_mutex_t *mutex)
+{
+ if (override)
+ return lthread_mutex_trylock(*(struct lthread_mutex **)mutex);
+ return _sys_pthread_funcs.f_pthread_mutex_trylock(mutex);
+}
+
+int pthread_mutex_timedlock(pthread_mutex_t *mutex, const struct timespec *b)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_mutex_timedlock(mutex, b);
+}
+
+int pthread_mutex_unlock(pthread_mutex_t *mutex)
+{
+ if (override)
+ return lthread_mutex_unlock(*(struct lthread_mutex **)mutex);
+ return _sys_pthread_funcs.f_pthread_mutex_unlock(mutex);
+}
+
+int pthread_once(pthread_once_t *a, void (b) (void))
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_once(a, b);
+}
+
+int pthread_rwlock_destroy(pthread_rwlock_t *a)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_rwlock_destroy(a);
+}
+
+int pthread_rwlock_init(pthread_rwlock_t *a, const pthread_rwlockattr_t *b)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_rwlock_init(a, b);
+}
+
+int pthread_rwlock_rdlock(pthread_rwlock_t *a)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_rwlock_rdlock(a);
+}
+
+int pthread_rwlock_timedrdlock(pthread_rwlock_t *a, const struct timespec *b)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_rwlock_timedrdlock(a, b);
+}
+
+int pthread_rwlock_timedwrlock(pthread_rwlock_t *a, const struct timespec *b)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_rwlock_timedwrlock(a, b);
+}
+
+int pthread_rwlock_tryrdlock(pthread_rwlock_t *a)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_rwlock_tryrdlock(a);
+}
+
+int pthread_rwlock_trywrlock(pthread_rwlock_t *a)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_rwlock_trywrlock(a);
+}
+
+int pthread_rwlock_unlock(pthread_rwlock_t *a)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_rwlock_unlock(a);
+}
+
+int pthread_rwlock_wrlock(pthread_rwlock_t *a)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_rwlock_wrlock(a);
+}
+
+int pthread_yield(void)
+{
+ if (override) {
+ lthread_yield();
+ return 0;
+ }
+ return _sys_pthread_funcs.f_pthread_yield();
+
+}
+
+pthread_t pthread_self(void)
+{
+ if (override)
+ return (pthread_t) lthread_current();
+ return _sys_pthread_funcs.f_pthread_self();
+}
+
+int pthread_setspecific(pthread_key_t key, const void *data)
+{
+ if (override) {
+ int rv = lthread_setspecific((unsigned int)key, data);
+ return rv;
+ }
+ return _sys_pthread_funcs.f_pthread_setspecific(key, data);
+}
+
+int pthread_spin_init(pthread_spinlock_t *a, int b)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_spin_init(a, b);
+}
+
+int pthread_spin_destroy(pthread_spinlock_t *a)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_spin_destroy(a);
+}
+
+int pthread_spin_lock(pthread_spinlock_t *a)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_spin_lock(a);
+}
+
+int pthread_spin_trylock(pthread_spinlock_t *a)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_spin_trylock(a);
+}
+
+int pthread_spin_unlock(pthread_spinlock_t *a)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_spin_unlock(a);
+}
+
+int pthread_cancel(pthread_t tid)
+{
+ if (override) {
+ lthread_cancel(*(struct lthread **)tid);
+ return 0;
+ }
+ return _sys_pthread_funcs.f_pthread_cancel(tid);
+}
+
+int pthread_setcancelstate(int a, int *b)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_setcancelstate(a, b);
+}
+
+int pthread_setcanceltype(int a, int *b)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_setcanceltype(a, b);
+}
+
+void pthread_testcancel(void)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_testcancel();
+}
+
+
+int pthread_getschedparam(pthread_t tid, int *a, struct sched_param *b)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_getschedparam(tid, a, b);
+}
+
+int pthread_setschedparam(pthread_t a, int b, const struct sched_param *c)
+{
+ NOT_IMPLEMENTED;
+ return _sys_pthread_funcs.f_pthread_setschedparam(a, b, c);
+}
+
+
+int nanosleep(const struct timespec *req, struct timespec *rem)
+{
+ if (override) {
+ uint64_t ns = req->tv_sec * 1000000000 + req->tv_nsec;
+
+ lthread_sleep(ns);
+ return 0;
+ }
+ return _sys_pthread_funcs.f_nanosleep(req, rem);
+}
+
+int
+pthread_setaffinity_np(pthread_t thread, size_t cpusetsize,
+ const cpu_set_t *cpuset)
+{
+ if (override) {
+ /* we only allow affinity with a single CPU */
+ if (CPU_COUNT(cpuset) != 1)
+ return POSIX_ERRNO(EINVAL);
+
+ /* we only allow the current thread to sets its own affinity */
+ struct lthread *lt = (struct lthread *)thread;
+
+ if (lthread_current() != lt)
+ return POSIX_ERRNO(EINVAL);
+
+ /* determine the CPU being requested */
+ int i;
+
+ for (i = 0; i < LTHREAD_MAX_LCORES; i++) {
+ if (!CPU_ISSET(i, cpuset))
+ continue;
+ break;
+ }
+ /* check requested core is allowed */
+ if (i == LTHREAD_MAX_LCORES)
+ return POSIX_ERRNO(EINVAL);
+
+ /* finally we can set affinity to the requested lcore */
+ lthread_set_affinity(i);
+ return 0;
+ }
+ return _sys_pthread_funcs.f_pthread_setaffinity_np(thread, cpusetsize,
+ cpuset);
+}
Code Review / deb_dpdk.git / blobdiff