-
-/* Copyright (c) 2004-2018. The SimGrid Team. All rights reserved. */
+/* Copyright (c) 2004-2019. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
#include <simgrid/instr.h>
#include <simgrid/mailbox.h>
#include <simgrid/plugins/live_migration.h>
+#include <simgrid/semaphore.h>
#include <simgrid/storage.h>
#include <simgrid/vm.h>
#include <simgrid/zone.h>
namespace simgrid {
namespace msg {
class Comm;
+class Task;
}
}
typedef simgrid::msg::Comm sg_msg_Comm;
+/** @brief Task datatype.
+ *
+ * Since most scheduling algorithms rely on a concept of task that can be either <em>computed</em> locally or
+ * <em>transferred</em> on another processor, it seems to be the right level of abstraction for our purposes.
+ * A <em>task</em> may then be defined by a <em>computing amount</em>, a <em>message size</em> and
+ * some <em>private data</em>.
+ */
+typedef simgrid::msg::Task* msg_task_t;
#else
typedef struct msg_Comm sg_msg_Comm;
+typedef struct msg_Task* msg_task_t;
#endif
#ifdef __cplusplus
extern "C" {
#endif
+/** @brief Return code of most MSG functions */
+/* Keep these code as binary values: java bindings manipulate | of these values */
+typedef enum {
+ MSG_OK = 0, /**< @brief Everything is right. Keep on going this way ! */
+ MSG_TIMEOUT = 1, /**< @brief nothing good happened before the timer you provided elapsed */
+ MSG_TRANSFER_FAILURE = 2, /**< @brief There has been a problem during you task
+ transfer. Either the network is down or the remote host has been
+ shutdown. */
+ MSG_HOST_FAILURE = 4, /**< @brief System shutdown. The host on which you are
+ running has just been rebooted. Free your datastructures and
+ return now !*/
+ MSG_TASK_CANCELED = 8 /**< @brief Canceled task. This task has been canceled by somebody!*/
+} msg_error_t;
+
/* *************************** Network Zones ******************************** */
#define msg_as_t msg_netzone_t /* portability macro */
XBT_PUBLIC void MSG_host_set_pstate(sg_host_t host, int pstate);
/** @brief Start the host if it is off
*
- * See also #MSG_host_is_on() and #MSG_host_is_off() to test the current state of the host and @ref SURF_plugin_energy
+ * See also #MSG_host_is_on() to test the current state of the host and @ref SURF_plugin_energy
* for more info on DVFS.
*/
XBT_PUBLIC void MSG_host_on(sg_host_t h);
/** @brief Stop the host if it is on
*
- * See also #MSG_host_is_on() and #MSG_host_is_off() to test the current state of the host and @ref SURF_plugin_energy
+ * See also MSG_host_is_on() to test the current state of the host and @ref SURF_plugin_energy
* for more info on DVFS.
*/
XBT_PUBLIC void MSG_host_off(sg_host_t h);
XBT_PUBLIC int MSG_host_is_on(sg_host_t h);
-XBT_PUBLIC int MSG_host_is_off(sg_host_t h);
+XBT_ATTRIB_DEPRECATED_v325("Please use !MSG_host_is_on()") XBT_PUBLIC int MSG_host_is_off(sg_host_t h);
XBT_PUBLIC xbt_dict_t MSG_host_get_properties(sg_host_t host);
XBT_PUBLIC const char* MSG_host_get_property_value(sg_host_t host, const char* name);
XBT_PUBLIC void MSG_host_set_property_value(sg_host_t host, const char* name, const char* value);
/** @brief Return the location on which the current process is executed */
XBT_PUBLIC sg_host_t MSG_host_self();
+XBT_PUBLIC double MSG_host_get_load(sg_host_t host);
/* ******************************** VMs ************************************* */
typedef sg_vm_t msg_vm_t;
-XBT_ATTRIB_DEPRECATED_v322("Use sg_vm_create_migratable() from the live migration plugin: "
- "v3.22 will drop MSG_vm_create() completely.") XBT_PUBLIC sg_vm_t
- MSG_vm_create(sg_host_t ind_pm, const char* name, int coreAmount, int ramsize, int mig_netspeed, int dp_intensity);
-
XBT_PUBLIC msg_vm_t MSG_vm_create_core(msg_host_t pm, const char* name);
XBT_PUBLIC msg_vm_t MSG_vm_create_multicore(msg_host_t pm, const char* name, int coreAmount);
XBT_PUBLIC sg_size_t MSG_storage_write(msg_storage_t storage, sg_size_t size);
/* ******************************** Actor/process *************************** */
+/** Processes are independent agents that can do stuff on their own.
+ * They are in charge of executing your code interacting with the simulated world.
+ * A process may be defined as a <em>code</em> with some <em>private data</em>.
+ * Processes must be located on <em>hosts</em> (#msg_host_t), and they exchange data by sending tasks (#msg_task_t)
+ * that are similar to envelops containing data.
+ *
+ * @hideinitializer
+ */
typedef sg_actor_t msg_process_t;
XBT_PUBLIC int MSG_process_get_PID(msg_process_t process);
XBT_PUBLIC int MSG_process_get_PPID(msg_process_t process);
-/** @brief Return a #msg_process_t from its PID.
- *
- * Note that the PID are uniq in the whole simulation, not only on a given host.
+/** @brief Return a process from its PID (or NULL if not found).
*
- * @returns NULL if no host is found
+ * Note that the PID are unique in the whole simulation, not only on a given host.
*/
XBT_PUBLIC sg_actor_t MSG_process_from_PID(int pid);
XBT_PUBLIC const char* MSG_process_get_name(msg_process_t process);
XBT_PUBLIC void MSG_process_daemonize(msg_process_t process);
/** @brief Imediately changes the host on which this process runs */
XBT_PUBLIC void MSG_process_migrate(msg_process_t process, msg_host_t host);
-/** @brief Wait for the completion of a #msg_process_t.
+/** @brief Wait for the completion of a process.
*
* @param process the process to wait for
* @param timeout wait until the process is over, or the timeout occurs
XBT_PUBLIC void MSG_process_kill(msg_process_t process);
/** @brief Kill all running process */
XBT_PUBLIC void MSG_process_killall();
-/** @breif Specifies the time at which the process should be automatically killed */
+/** @brief Specifies the time at which the process should be automatically killed */
XBT_PUBLIC void MSG_process_set_kill_time(msg_process_t process, double kill_time);
/** @brief Yield the current actor; let the other actors execute first */
XBT_PUBLIC void MSG_process_yield();
+/*** @brief Sleep for the specified number of seconds */
+XBT_PUBLIC msg_error_t MSG_process_sleep(double nb_sec);
/** @brief Object representing an ongoing communication between processes.
*
/* ******************************** Task ************************************ */
-typedef struct s_simdata_task_t* simdata_task_t;
-
-typedef struct msg_task {
- char* name; /**< @brief task name if any */
- simdata_task_t simdata; /**< @brief simulator data */
- void* data; /**< @brief user data */
- long long int counter; /* task unique identifier for instrumentation */
- char* category; /* task category for instrumentation */
-} s_msg_task_t;
-
-/** @brief Task datatype.
- *
- * Since most scheduling algorithms rely on a concept of task that can be either <em>computed</em> locally or
- * <em>transferred</em> on another processor, it seems to be the right level of abstraction for our purposes.
- * A <em>task</em> may then be defined by a <em>computing amount</em>, a <em>message size</em> and
- * some <em>private data</em>.
- */
-
-typedef struct msg_task* msg_task_t;
/** @brief Default value for an uninitialized #msg_task_t. */
#define MSG_TASK_UNINITIALIZED NULL
-/** @brief Return code of most MSG functions
-/* Keep these code as binary values: java bindings manipulate | of these values */
-typedef enum {
- MSG_OK = 0, /**< @brief Everything is right. Keep on going this way ! */
- MSG_TIMEOUT = 1, /**< @brief nothing good happened before the timer you provided elapsed */
- MSG_TRANSFER_FAILURE = 2, /**< @brief There has been a problem during you task
- transfer. Either the network is down or the remote host has been
- shutdown. */
- MSG_HOST_FAILURE = 4, /**< @brief System shutdown. The host on which you are
- running has just been rebooted. Free your datastructures and
- return now !*/
- MSG_TASK_CANCELED = 8 /**< @brief Canceled task. This task has been canceled by somebody!*/
-} msg_error_t;
-
/************************** Global ******************************************/
/** @brief set a configuration variable
*
* MSG_config("host/model","ptask_L07");
*/
XBT_PUBLIC void MSG_config(const char* key, const char* value);
-/** @ingroup msg_simulation
- * @brief Initialize the MSG internal data.
+/** @brief Initialize the MSG internal data.
* @hideinitializer
*
* It also check that the link-time and compile-time versions of SimGrid do
XBT_PUBLIC void MSG_task_set_priority(msg_task_t task, double priority);
XBT_PUBLIC void MSG_task_set_bound(msg_task_t task, double bound);
-XBT_PUBLIC msg_error_t MSG_process_sleep(double nb_sec);
-
XBT_PUBLIC void MSG_task_set_flops_amount(msg_task_t task, double flops_amount);
XBT_PUBLIC double MSG_task_get_flops_amount(msg_task_t task);
XBT_PUBLIC double MSG_task_get_remaining_work_ratio(msg_task_t task);
*/
XBT_PUBLIC void MSG_mailbox_set_async(const char* alias);
-/** @brief Opaque type representing a semaphore
- * @ingroup msg_synchro
- * @hideinitializer
- */
-typedef struct s_smx_sem_t* msg_sem_t; // Yeah that's a rename of the smx_sem_t which doesnt require smx_sem_t to be
- // declared here
+/** @brief Opaque type representing a semaphore */
+typedef sg_sem_t msg_sem_t;
XBT_PUBLIC msg_sem_t MSG_sem_init(int initial_value);
XBT_PUBLIC void MSG_sem_acquire(msg_sem_t sem);
-XBT_PUBLIC msg_error_t MSG_sem_acquire_timeout(msg_sem_t sem, double timeout);
+XBT_PUBLIC int MSG_sem_acquire_timeout(msg_sem_t sem, double timeout);
XBT_PUBLIC void MSG_sem_release(msg_sem_t sem);
XBT_PUBLIC int MSG_sem_get_capacity(msg_sem_t sem);
XBT_PUBLIC void MSG_sem_destroy(msg_sem_t sem);
}
#endif
-#ifdef __cplusplus
-XBT_PUBLIC msg_process_t MSG_process_create_from_stdfunc(std::string name, std::function<void()> code, void* data,
- msg_host_t host,
- std::unordered_map<std::string, std::string>* properties);
-#endif
-
#endif