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81614639 MD |
1 | /* |
2 | * Copyright (C) 2009 Pierre-Marc Fournier | |
3 | * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
a09dac63 PMF |
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 | |
8d8a24c8 MD |
7 | * License as published by the Free Software Foundation; version 2.1 of |
8 | * the License. | |
a09dac63 PMF |
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 | ||
68c1021b PMF |
20 | #include <stdio.h> |
21 | #include <unistd.h> | |
b6bf28ec | 22 | #include <sys/mman.h> |
9c67dc50 PMF |
23 | #include <stdarg.h> |
24 | #include <sys/types.h> | |
25 | #include <sys/stat.h> | |
26 | #include <fcntl.h> | |
4486e566 | 27 | #include <signal.h> |
5dba5937 | 28 | #include <string.h> |
9a396c3c | 29 | #include <arpa/inet.h> |
68c1021b | 30 | |
deb6e540 | 31 | #define TRACEPOINT_DEFINE |
41aaf8a5 | 32 | #include "ust_tests_hello.h" |
59b161cd | 33 | |
8d938dbd PMF |
34 | void inthandler(int sig) |
35 | { | |
8d8a24c8 | 36 | printf("in SIGUSR1 handler\n"); |
7083f0fe | 37 | tracepoint(ust_tests_hello, tptest_sighandler); |
8d938dbd PMF |
38 | } |
39 | ||
40 | int init_int_handler(void) | |
41 | { | |
42 | int result; | |
43 | struct sigaction act; | |
44 | ||
1ea11eab | 45 | memset(&act, 0, sizeof(act)); |
8d938dbd | 46 | result = sigemptyset(&act.sa_mask); |
81614639 | 47 | if (result == -1) { |
41aaf8a5 | 48 | perror("sigemptyset"); |
8d938dbd PMF |
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 | */ | |
8d8a24c8 | 58 | result = sigaction(SIGUSR1, &act, NULL); |
81614639 | 59 | if (result == -1) { |
41aaf8a5 | 60 | perror("sigaction"); |
8d938dbd PMF |
61 | return -1; |
62 | } | |
63 | ||
64 | return 0; | |
65 | } | |
66 | ||
8d8a24c8 | 67 | int main(int argc, char **argv) |
b6bf28ec | 68 | { |
9a396c3c | 69 | int i, netint; |
775e7fd8 | 70 | long values[] = { 1, 2, 3 }; |
5dba5937 | 71 | char text[10] = "test"; |
513fc97e MD |
72 | double dbl = 2.0; |
73 | float flt = 2222.0; | |
ff927bae | 74 | int delay = 0; |
5f54827b | 75 | |
8d938dbd PMF |
76 | init_int_handler(); |
77 | ||
ff927bae MD |
78 | if (argc == 2) |
79 | delay = atoi(argv[1]); | |
59b161cd | 80 | |
ff927bae | 81 | fprintf(stderr, "Hello, World!\n"); |
8d8a24c8 | 82 | |
ff927bae MD |
83 | sleep(delay); |
84 | ||
85 | fprintf(stderr, "Tracing... "); | |
c95f3a3a | 86 | for (i = 0; i < 1000000; i++) { |
9a396c3c | 87 | netint = htonl(i); |
7083f0fe | 88 | tracepoint(ust_tests_hello, tptest, i, netint, values, |
513fc97e | 89 | text, strlen(text), dbl, flt); |
c95f3a3a | 90 | //usleep(100000); |
8d938dbd | 91 | } |
ff927bae | 92 | fprintf(stderr, " done.\n"); |
68c1021b PMF |
93 | return 0; |
94 | } |