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6b79f035 MD |
1 | /* |
2 | * Copyright (C) 2009 Pierre-Marc Fournier | |
3 | * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
4 | * | |
5 | * This library is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU Lesser General Public | |
7 | * License as published by the Free Software Foundation; version 2.1 of | |
8 | * the License. | |
9 | * | |
10 | * This library is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * Lesser General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU Lesser General Public | |
16 | * License along with this library; if not, write to the Free Software | |
17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
18 | */ | |
19 | ||
20 | #include <stdio.h> | |
21 | #include <unistd.h> | |
22 | #include <sys/mman.h> | |
23 | #include <stdarg.h> | |
24 | #include <sys/types.h> | |
25 | #include <sys/stat.h> | |
26 | #include <fcntl.h> | |
27 | #include <signal.h> | |
28 | #include <string.h> | |
29 | #include <arpa/inet.h> | |
30 | ||
31 | #define TRACEPOINT_DEFINE | |
32 | #include "ust_tests_hello.h" | |
33 | ||
34 | void inthandler(int sig) | |
35 | { | |
36 | printf("in SIGUSR1 handler\n"); | |
37 | tracepoint(ust_tests_hello, tptest_sighandler); | |
38 | } | |
39 | ||
40 | int init_int_handler(void) | |
41 | { | |
42 | int result; | |
43 | struct sigaction act; | |
44 | ||
45 | memset(&act, 0, sizeof(act)); | |
46 | result = sigemptyset(&act.sa_mask); | |
47 | if (result == -1) { | |
48 | perror("sigemptyset"); | |
49 | return -1; | |
50 | } | |
51 | ||
52 | act.sa_handler = inthandler; | |
53 | act.sa_flags = SA_RESTART; | |
54 | ||
55 | /* Only defer ourselves. Also, try to restart interrupted | |
56 | * syscalls to disturb the traced program as little as possible. | |
57 | */ | |
58 | result = sigaction(SIGUSR1, &act, NULL); | |
59 | if (result == -1) { | |
60 | perror("sigaction"); | |
61 | return -1; | |
62 | } | |
63 | ||
64 | return 0; | |
65 | } | |
66 | ||
67 | int main(int argc, char **argv) | |
68 | { | |
69 | int i, netint; | |
70 | long values[] = { 1, 2, 3 }; | |
71 | char text[10] = "test"; | |
72 | double dbl = 2.0; | |
73 | float flt = 2222.0; | |
74 | int delay = 0; | |
75 | ||
76 | init_int_handler(); | |
77 | ||
78 | if (argc == 2) | |
79 | delay = atoi(argv[1]); | |
80 | ||
81 | fprintf(stderr, "Hello, World!\n"); | |
82 | ||
83 | sleep(delay); | |
84 | ||
85 | fprintf(stderr, "Tracing... "); | |
86 | for (i = 0; i < 1000000; i++) { | |
87 | netint = htonl(i); | |
88 | tracepoint(ust_tests_hello, tptest, i, netint, values, | |
89 | text, strlen(text), dbl, flt); | |
90 | //usleep(100000); | |
91 | } | |
92 | fprintf(stderr, " done.\n"); | |
93 | return 0; | |
94 | } |