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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 | |
7 | * License as published by the Free Software Foundation; either | |
8 | * version 2.1 of the License, or (at your option) any later version. | |
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> |
68c1021b | 28 | |
93d0f2ea | 29 | #include <ust/marker.h> |
30ffe279 | 30 | #include <ust/ustctl.h> |
fbca6b62 | 31 | #include "usterr.h" |
a5f09c2c | 32 | #include "tp.h" |
59b161cd | 33 | |
8d938dbd PMF |
34 | void inthandler(int sig) |
35 | { | |
36 | printf("in handler\n"); | |
37 | exit(0); | |
38 | } | |
39 | ||
40 | int init_int_handler(void) | |
41 | { | |
42 | int result; | |
43 | struct sigaction act; | |
44 | ||
45 | result = sigemptyset(&act.sa_mask); | |
81614639 | 46 | if (result == -1) { |
8d938dbd PMF |
47 | PERROR("sigemptyset"); |
48 | return -1; | |
49 | } | |
50 | ||
51 | act.sa_handler = inthandler; | |
52 | act.sa_flags = SA_RESTART; | |
53 | ||
54 | /* Only defer ourselves. Also, try to restart interrupted | |
55 | * syscalls to disturb the traced program as little as possible. | |
56 | */ | |
57 | result = sigaction(SIGINT, &act, NULL); | |
81614639 | 58 | if (result == -1) { |
8d938dbd PMF |
59 | PERROR("sigaction"); |
60 | return -1; | |
61 | } | |
62 | ||
63 | return 0; | |
64 | } | |
65 | ||
5f54827b | 66 | int main() |
b6bf28ec | 67 | { |
98963de4 | 68 | int i; |
5f54827b | 69 | |
8d938dbd PMF |
70 | init_int_handler(); |
71 | ||
68c1021b | 72 | printf("Hello, World!\n"); |
59b161cd | 73 | |
9c67dc50 | 74 | sleep(1); |
81614639 | 75 | for (i = 0; i < 50; i++) { |
686debc3 MD |
76 | ust_marker(bar, "str %s", "FOOBAZ"); |
77 | ust_marker(bar2, "number1 %d number2 %d", 53, 9800); | |
cc7b66ba | 78 | tracepoint(hello_tptest, i); |
9c67dc50 | 79 | usleep(100000); |
8d938dbd | 80 | } |
59b161cd | 81 | |
08b8805e DG |
82 | if (scanf("%*s") == EOF) |
83 | PERROR("scanf failed"); | |
68c1021b | 84 | |
30ffe279 NC |
85 | ustctl_stop_trace(getpid(), "auto"); |
86 | ustctl_destroy_trace(getpid(), "auto"); | |
688760ef PMF |
87 | |
88 | DBG("TRACE STOPPED"); | |
08b8805e DG |
89 | if (scanf("%*s") == EOF) |
90 | PERROR("scanf failed"); | |
688760ef | 91 | |
68c1021b PMF |
92 | return 0; |
93 | } |