X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/25d6952dcf52e6ffc1e4a402af0e2d3c17ac3935..39ed918a323bb8b7251c75ca508a215505724a52:/src/msg/host.c
diff --git a/src/msg/host.c b/src/msg/host.c
index 17249ba62d..8637c562c6 100644
--- a/src/msg/host.c
+++ b/src/msg/host.c
@@ -8,11 +8,11 @@
#include "private.h"
#include "xbt/sysdep.h"
#include "xbt/log.h"
-XBT_LOG_NEW_DEFAULT_SUBCATEGORY(host, msg,
- "Logging specific to MSG (host)");
/** \defgroup m_host_management Management functions of Hosts
* \brief This section describes the host structure of MSG
+ *
+ * \htmlonly \endhtmlonly
* (#m_host_t) and the functions for managing it.
*
* A location (or host) is any possible place where
@@ -47,7 +47,7 @@ m_host_t __MSG_host_create(const char *name,
simdata->process_list = xbt_fifo_new();
/* Update global variables */
- xbt_fifo_push(msg_global->host, host);
+ xbt_fifo_unshift(msg_global->host, host);
PAJE_HOST_NEW(host);
@@ -187,3 +187,21 @@ double MSG_get_host_speed(m_host_t h)
return(surf_workstation_resource->
extension_public->get_speed(h->simdata->host,1.0));
}
+
+/** \ingroup msg_gos_functions
+ * \brief Determine if a host is available.
+ *
+ * \param h host to test
+ */
+int MSG_host_is_avail (m_host_t h)
+{
+ xbt_assert0((h!= NULL), "Invalid parameters");
+
+ e_surf_cpu_state_t cpustate =
+ surf_workstation_resource->extension_public->get_state(h->simdata->host);
+
+ xbt_assert0((cpustate == SURF_CPU_ON || cpustate == SURF_CPU_OFF),
+ "Invalid cpu state");
+
+ return (cpustate==SURF_CPU_ON);
+}