#include <stdio.h>
#include <pthread.h>
#include <signal.h>
-#include <assert.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <sched.h>
#include "compat-getcpu.h"
+#include <urcu/assert.h>
#include <urcu/wfcqueue.h>
#include <urcu/call-rcu.h>
#include <urcu/pointer.h>
* Losing affinity can be caused by CPU hotunplug/hotplug, or by
* cpuset(7).
*/
-#if HAVE_SCHED_SETAFFINITY
+#ifdef HAVE_SCHED_SETAFFINITY
static
int set_thread_cpu_affinity(struct call_rcu_data *crdp)
{
CPU_ZERO(&mask);
CPU_SET(crdp->cpu_affinity, &mask);
-#if SCHED_SETAFFINITY_ARGS == 2
- ret = sched_setaffinity(0, &mask);
-#else
ret = sched_setaffinity(0, sizeof(mask), &mask);
-#endif
+
/*
* EINVAL is fine: can be caused by hotunplugged CPUs, or by
* cpuset(7). This is why we should always retry if we detect
}
#else
static
-int set_thread_cpu_affinity(struct call_rcu_data *crdp)
+int set_thread_cpu_affinity(struct call_rcu_data *crdp __attribute__((unused)))
{
return 0;
}
cds_wfcq_init(&cbs_tmp_head, &cbs_tmp_tail);
splice_ret = __cds_wfcq_splice_blocking(&cbs_tmp_head,
&cbs_tmp_tail, &crdp->cbs_head, &crdp->cbs_tail);
- assert(splice_ret != CDS_WFCQ_RET_WOULDBLOCK);
- assert(splice_ret != CDS_WFCQ_RET_DEST_NON_EMPTY);
+ urcu_posix_assert(splice_ret != CDS_WFCQ_RET_WOULDBLOCK);
+ urcu_posix_assert(splice_ret != CDS_WFCQ_RET_DEST_NON_EMPTY);
if (splice_ret != CDS_WFCQ_RET_SRC_EMPTY) {
synchronize_rcu();
cbcount = 0;
return NULL;
return rcu_dereference(pcpu_crdp[cpu]);
}
-URCU_ATTR_ALIAS(urcu_stringify(get_cpu_call_rcu_data))
-struct call_rcu_data *alias_get_cpu_call_rcu_data();
/*
* Return the tid corresponding to the call_rcu thread whose
{
return crdp->tid;
}
-URCU_ATTR_ALIAS(urcu_stringify(get_call_rcu_thread))
-pthread_t alias_get_call_rcu_thread();
/*
* Create a call_rcu_data structure (with thread) and return a pointer.
return crdp;
}
-URCU_ATTR_ALIAS(urcu_stringify(create_call_rcu_data))
-struct call_rcu_data *alias_create_call_rcu_data();
struct call_rcu_data *create_call_rcu_data(unsigned long flags,
int cpu_affinity)
{
call_rcu_unlock(&call_rcu_mutex);
return 0;
}
-URCU_ATTR_ALIAS(urcu_stringify(set_cpu_call_rcu_data))
-int alias_set_cpu_call_rcu_data();
/*
* Return a pointer to the default call_rcu_data structure, creating
call_rcu_unlock(&call_rcu_mutex);
return default_call_rcu_data;
}
-URCU_ATTR_ALIAS(urcu_stringify(get_default_call_rcu_data))
-struct call_rcu_data *alias_get_default_call_rcu_data();
/*
* Return the call_rcu_data structure that applies to the currently
return get_default_call_rcu_data();
}
-URCU_ATTR_ALIAS(urcu_stringify(get_call_rcu_data))
-struct call_rcu_data *alias_get_call_rcu_data();
/*
* Return a pointer to this task's call_rcu_data if there is one.
{
return URCU_TLS(thread_call_rcu_data);
}
-URCU_ATTR_ALIAS(urcu_stringify(get_thread_call_rcu_data))
-struct call_rcu_data *alias_get_thread_call_rcu_data();
/*
* Set this task's call_rcu_data structure as specified, regardless
{
URCU_TLS(thread_call_rcu_data) = crdp;
}
-URCU_ATTR_ALIAS(urcu_stringify(set_thread_call_rcu_data))
-void alias_set_thread_call_rcu_data();
/*
* Create a separate call_rcu thread for each CPU. This does not
}
return 0;
}
-URCU_ATTR_ALIAS(urcu_stringify(create_all_cpu_call_rcu_data))
-int alias_create_all_cpu_call_rcu_data();
/*
* Wake up the call_rcu thread corresponding to the specified
_call_rcu(head, func, crdp);
_rcu_read_unlock();
}
-URCU_ATTR_ALIAS(urcu_stringify(call_rcu)) void alias_call_rcu();
/*
* Free up the specified call_rcu_data structure, terminating the
free(crdp);
}
-URCU_ATTR_ALIAS(urcu_stringify(call_rcu_data_free))
-void alias_call_rcu_data_free();
/*
* Clean up all the per-CPU call_rcu threads.
}
free(crdp);
}
-#ifdef RCU_QSBR
-/* ABI6 has a non-namespaced free_all_cpu_call_rcu_data for qsbr */
-#undef free_all_cpu_call_rcu_data
-URCU_ATTR_ALIAS("urcu_qsbr_free_all_cpu_call_rcu_data")
-void free_all_cpu_call_rcu_data();
-#define free_all_cpu_call_rcu_data urcu_qsbr_free_all_cpu_call_rcu_data
-#else
-URCU_ATTR_ALIAS(urcu_stringify(free_all_cpu_call_rcu_data))
-void alias_free_all_cpu_call_rcu_data();
-#endif
static
void free_completion(struct urcu_ref *ref)
if (was_online)
rcu_thread_online();
}
-URCU_ATTR_ALIAS(urcu_stringify(rcu_barrier))
-void alias_rcu_barrier();
/*
* Acquire the call_rcu_mutex in order to ensure that the child sees
(void) poll(NULL, 0, 1);
}
}
-URCU_ATTR_ALIAS(urcu_stringify(call_rcu_before_fork))
-void alias_call_rcu_before_fork();
/*
* Clean up call_rcu data structures in the parent of a successful fork()
atfork->after_fork_parent(atfork->priv);
call_rcu_unlock(&call_rcu_mutex);
}
-URCU_ATTR_ALIAS(urcu_stringify(call_rcu_after_fork_parent))
-void alias_call_rcu_after_fork_parent();
/*
* Clean up call_rcu data structures in the child of a successful fork()
call_rcu_data_free(crdp);
}
}
-URCU_ATTR_ALIAS(urcu_stringify(call_rcu_after_fork_child))
-void alias_call_rcu_after_fork_child();
void urcu_register_rculfhash_atfork(struct urcu_atfork *atfork)
{
end:
call_rcu_unlock(&call_rcu_mutex);
}
-URCU_ATTR_ALIAS(urcu_stringify(urcu_register_rculfhash_atfork))
-void alias_urcu_register_rculfhash_atfork();
-void urcu_unregister_rculfhash_atfork(struct urcu_atfork *atfork)
+void urcu_unregister_rculfhash_atfork(struct urcu_atfork *atfork __attribute__((unused)))
{
call_rcu_lock(&call_rcu_mutex);
if (--registered_rculfhash_atfork_refcount)
end:
call_rcu_unlock(&call_rcu_mutex);
}
-URCU_ATTR_ALIAS(urcu_stringify(urcu_unregister_rculfhash_atfork))
-void alias_urcu_unregister_rculfhash_atfork();
projects / urcu.git / blobdiff