X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=doc%2Fexamples%2Fhello-static-lib%2Fhello.c;fp=doc%2Fexamples%2Fhello-static-lib%2Fhello.c;h=693709d19024adf8dc1ef1354c0f5f03fb5c8322;hb=a106a9f8513054954003122126a8b33b56de4bd8;hp=0000000000000000000000000000000000000000;hpb=9ac8c21231ed48f25264e3ddc6ac8ce632767669;p=lttng-ust.git

diff --git a/doc/examples/hello-static-lib/hello.c b/doc/examples/hello-static-lib/hello.c
new file mode 100644
index 00000000..693709d1
--- /dev/null
+++ b/doc/examples/hello-static-lib/hello.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2009  Pierre-Marc Fournier
+ * Copyright (C) 2011  Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; version 2.1 of
+ * the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <stdarg.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <string.h>
+#include <arpa/inet.h>
+#include <stdlib.h>
+
+#define TRACEPOINT_DEFINE
+#include "ust_tests_hello.h"
+
+void inthandler(int sig)
+{
+	printf("in SIGUSR1 handler\n");
+	tracepoint(ust_tests_hello, tptest_sighandler);
+}
+
+int init_int_handler(void)
+{
+	int result;
+	struct sigaction act;
+
+	memset(&act, 0, sizeof(act));
+	result = sigemptyset(&act.sa_mask);
+	if (result == -1) {
+		perror("sigemptyset");
+		return -1;
+	}
+
+	act.sa_handler = inthandler;
+	act.sa_flags = SA_RESTART;
+
+	/* Only defer ourselves. Also, try to restart interrupted
+	 * syscalls to disturb the traced program as little as possible.
+	 */
+	result = sigaction(SIGUSR1, &act, NULL);
+	if (result == -1) {
+		perror("sigaction");
+		return -1;
+	}
+
+	return 0;
+}
+
+int main(int argc, char **argv)
+{
+	int i, netint;
+	long values[] = { 1, 2, 3 };
+	char text[10] = "test";
+	double dbl = 2.0;
+	float flt = 2222.0;
+	int delay = 0;
+
+	init_int_handler();
+
+	if (argc == 2)
+		delay = atoi(argv[1]);
+
+	fprintf(stderr, "Hello, World!\n");
+
+	sleep(delay);
+
+	fprintf(stderr, "Tracing... ");
+	for (i = 0; i < 1000000; i++) {
+		netint = htonl(i);
+		tracepoint(ust_tests_hello, tptest, i, netint, values,
+			   text, strlen(text), dbl, flt);
+	}
+	fprintf(stderr, " done.\n");
+	return 0;
+}