X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=doc%2Fexamples%2Fdemo-tracelog%2Fdemo-vtracelog.c;fp=doc%2Fexamples%2Fdemo-tracelog%2Fdemo-vtracelog.c;h=c3e604ce2aaec2f60de4c2f21fb02429a55bfa81;hb=bd9bb3c77252c984f8b6a7cbfb1d6ebbd069159c;hp=0000000000000000000000000000000000000000;hpb=cfd56ee1736677d06db86593a8555275ac4bc2ec;p=lttng-ust.git diff --git a/doc/examples/demo-tracelog/demo-vtracelog.c b/doc/examples/demo-tracelog/demo-vtracelog.c new file mode 100644 index 00000000..c3e604ce --- /dev/null +++ b/doc/examples/demo-tracelog/demo-vtracelog.c @@ -0,0 +1,57 @@ +/* + * Copyright (C) 2020 Mathieu Desnoyers + * + * 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 +#include +#include +#include + +#include + +void print_err(const char* msg, ...) +{ + va_list ap; + + va_start(ap, msg); + vtracelog(TRACE_ERR, msg, ap); + va_end(ap); +} + +int main(int argc, char **argv) +{ + int i; + int delay = 0; + const char *str = "mystring test"; + long l = 0x42; + + if (argc > 2) + delay = atoi(argv[1]); + + fprintf(stderr, "Demo program starting.\n"); + + sleep(delay); + + fprintf(stderr, "Tracing... "); + + for (i = 0; i < 5; i++) { + print_err("This is a \"%s\" formatted %d error event %lx", str, i, l); + } + + fprintf(stderr, " done.\n"); + return 0; +}