convert sychro-semaphore

[simgrid.git] / examples / c / synchro-semaphore / synchro-semaphore.c

diff --git a/examples/c/synchro-semaphore/synchro-semaphore.c b/examples/c/synchro-semaphore/synchro-semaphore.c
new file mode 100644 (file)
index 0000000..6ae0201
--- /dev/null
+++ b/examples/c/synchro-semaphore/synchro-semaphore.c
@@ -0,0 +1,59 @@
+/* Copyright (c) 2013-2020. 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/actor.h"
+#include "simgrid/engine.h"
+#include "simgrid/host.h"
+#include "simgrid/semaphore.h"
+
+#include "xbt/log.h"
+#include "xbt/str.h"
+
+XBT_LOG_NEW_DEFAULT_CATEGORY(semaphores, "Messages specific for this example");
+
+sg_sem_t sem;
+
+static void peer(int argc, char* argv[])
+{
+  int i = 0;
+  while (i < argc) {
+    double wait_time = xbt_str_parse_double(argv[i], "Invalid wait time: %s");
+    i++;
+    sg_actor_sleep_for(wait_time);
+    XBT_INFO("Trying to acquire %d", i);
+    sg_sem_acquire(sem);
+    XBT_INFO("Acquired %d", i);
+
+    wait_time = xbt_str_parse_double(argv[i], "Invalid wait time: %s");
+    i++;
+    sg_actor_sleep_for(wait_time);
+    XBT_INFO("Releasing %d", i);
+    sg_sem_release(sem);
+    XBT_INFO("Released %d", i);
+  }
+  sg_actor_sleep_for(50);
+  XBT_INFO("Done");
+}
+
+int main(int argc, char* argv[])
+{
+  simgrid_init(&argc, argv);
+  simgrid_load_platform(argv[1]);
+
+  sg_host_t h = sg_host_by_name("Fafard");
+
+  sem                      = sg_sem_init(1);
+  const char* aliceTimes[] = {"0", "1", "3", "5", "1", "2", "5", "0"};
+  const char* bobTimes[]   = {"0.9", "1", "1", "2", "2", "0", "0", "5"};
+
+  sg_actor_create("Alice", h, peer, 8, aliceTimes);
+  sg_actor_create("Bob", h, peer, 8, bobTimes);
+
+  simgrid_run();
+  sg_sem_destroy(sem);
+  XBT_INFO("Finished\n");
+  return 0;
+}