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1 | /* |
2 | * Copyright (C) 2009 Pierre-Marc Fournier | |
3 | * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> | |
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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 | |
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7 | * License as published by the Free Software Foundation; version 2.1 of |
8 | * the License. | |
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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 | ||
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20 | #include <stdio.h> |
21 | #include <unistd.h> | |
cab68136 | 22 | #include <sys/types.h> |
909bc43f | 23 | #include <stdlib.h> |
48c56fcf | 24 | |
deb6e540 | 25 | #define TRACEPOINT_DEFINE |
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26 | #define TRACEPOINT_CREATE_PROBES |
27 | #include "ust_tests_fork.h" | |
48c56fcf | 28 | |
cab68136 | 29 | int main(int argc, char **argv, char *env[]) |
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30 | { |
31 | int result; | |
32 | ||
e822f505 | 33 | if (argc < 2) { |
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34 | fprintf(stderr, "usage: fork PROG_TO_EXEC\n"); |
35 | exit(1); | |
36 | } | |
48c56fcf | 37 | |
cab68136 | 38 | printf("Fork test program, parent pid is %d\n", getpid()); |
7083f0fe | 39 | tracepoint(ust_tests_fork, before_fork); |
36c95a5e | 40 | |
48c56fcf | 41 | result = fork(); |
e822f505 | 42 | if (result == -1) { |
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43 | perror("fork"); |
44 | return 1; | |
45 | } | |
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46 | if (result == 0) { |
47 | char *args[] = { "fork2", NULL }; | |
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48 | |
49 | printf("Child pid is %d\n", getpid()); | |
50 | ||
7083f0fe | 51 | tracepoint(ust_tests_fork, after_fork_child, getpid()); |
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52 | |
53 | result = execve(argv[1], args, env); | |
e822f505 | 54 | if (result == -1) { |
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55 | perror("execve"); |
56 | return 1; | |
57 | } | |
e822f505 | 58 | } else { |
7083f0fe | 59 | tracepoint(ust_tests_fork, after_fork_parent); |
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60 | } |
61 | ||
62 | return 0; | |
63 | } |