X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/7f28b71736be6dcc0140ed1f121168440f8f74d1..54003ca6d54f59d8ecb8aee18f96a21321fc8a84:/examples/msg/process-suspend/process-suspend.c diff --git a/examples/msg/process-suspend/process-suspend.c b/examples/msg/process-suspend/process-suspend.c index b7fc14a1bb..3f602810be 100644 --- a/examples/msg/process-suspend/process-suspend.c +++ b/examples/msg/process-suspend/process-suspend.c @@ -6,26 +6,27 @@ #include "simgrid/msg.h" -XBT_LOG_NEW_DEFAULT_CATEGORY(msg_test, "Messages specific for this msg example"); +XBT_LOG_NEW_DEFAULT_CATEGORY(msg_process_suspend, "Messages specific for this msg example"); #define SLEEP(duration) \ if (MSG_process_sleep(duration) != MSG_OK) \ xbt_die("What's going on??? I failed to sleep!"); /** @addtogroup MSG_examples + * @section MSG_ex_process Acting on Processes * - * - process-suspend/process-suspend.c: Process Suspend/Resume example. Demonstrates how to suspend and resume - * processes using the @ref MSG_process_suspend and @ref MSG_process_resume functions. + * - Process Suspend/Resume: process-suspend/process-suspend.c. Processes can be suspended and resumed during + * their executions thanks to the @ref MSG_process_suspend and @ref MSG_process_resume functions. */ -/** Lazy guy function. This process suspends itself asap. */ +/** The Lazy guy only wants to sleep, but can be awaken by the @ref dream_master. */ static int lazy_guy(int argc, char *argv[]) { XBT_INFO("Nobody's watching me ? Let's go to sleep."); - MSG_process_suspend(MSG_process_self()); + MSG_process_suspend(MSG_process_self()); /** - Start by suspending itself */ XBT_INFO("Uuuh ? Did somebody call me ?"); - XBT_INFO("Going to sleep..."); + XBT_INFO("Going to sleep..."); /** - Then repetitively go to sleep, but got awaken */ SLEEP(10.0); XBT_INFO("Mmm... waking up."); @@ -37,25 +38,25 @@ static int lazy_guy(int argc, char *argv[]) return 0; } -/** Dream master function. This process creates a lazy_guy process and resumes it 10 seconds later. */ +/** The Dream master: */ static int dream_master(int argc, char *argv[]) { msg_process_t lazy = NULL; - XBT_INFO("Let's create a lazy guy."); + XBT_INFO("Let's create a lazy guy."); /** - Create a @ref lazy_guy process */ lazy = MSG_process_create("Lazy", lazy_guy, NULL, MSG_host_self()); XBT_INFO("Let's wait a little bit..."); - SLEEP(10.0); + SLEEP(10.0); /** - Wait for 10 seconds */ XBT_INFO("Let's wake the lazy guy up! >:) BOOOOOUUUHHH!!!!"); - MSG_process_resume(lazy); + MSG_process_resume(lazy); /** - Then wake up the @ref lazy_guy */ - SLEEP(5.0); + SLEEP(5.0); /** Repeat two times: */ XBT_INFO("Suspend the lazy guy while he's sleeping..."); - MSG_process_suspend(lazy); + MSG_process_suspend(lazy); /** - Suspend the @ref lazy_guy while he's asleep */ XBT_INFO("Let him finish his siesta."); - SLEEP(10.0); + SLEEP(10.0); /** - Wait for 10 seconds */ XBT_INFO("Wake up, lazy guy!"); - MSG_process_resume(lazy); + MSG_process_resume(lazy); /** - Then wake up the @ref lazy_guy again */ SLEEP(5.0); XBT_INFO("Suspend again the lazy guy while he's sleeping..."); @@ -67,7 +68,7 @@ static int dream_master(int argc, char *argv[]) XBT_INFO("OK, goodbye now."); return 0; -} /* end_of_dream_master */ +} int main(int argc, char *argv[]) { @@ -76,12 +77,12 @@ int main(int argc, char *argv[]) MSG_init(&argc, argv); xbt_assert(argc > 1, "Usage: %s platform_file\n\tExample: %s msg_platform.xml\n", argv[0], argv[0]); - MSG_create_environment(argv[1]); - MSG_function_register("dream_master", dream_master); + MSG_create_environment(argv[1]); /** - Load the platform description */ + MSG_function_register("dream_master", dream_master); /** - Create and deploy the @ref dream_master */ xbt_dynar_t hosts = MSG_hosts_as_dynar(); MSG_process_create("dream_master", dream_master, NULL, xbt_dynar_getfirst_as(hosts, msg_host_t)); xbt_dynar_free(&hosts); - res = MSG_main(); + res = MSG_main(); /** - Run the simulation */ XBT_INFO("Simulation time %g", MSG_get_clock()); return res != MSG_OK;