Commit | Line | Data |
---|---|---|
48c56fcf PMF |
1 | #include <stdio.h> |
2 | #include <unistd.h> | |
cab68136 | 3 | #include <sys/types.h> |
48c56fcf | 4 | |
93d0f2ea | 5 | #include <ust/marker.h> |
48c56fcf | 6 | |
cab68136 | 7 | int main(int argc, char **argv, char *env[]) |
48c56fcf PMF |
8 | { |
9 | int result; | |
10 | ||
cab68136 PMF |
11 | if(argc < 2 ) { |
12 | fprintf(stderr, "usage: fork PROG_TO_EXEC\n"); | |
13 | exit(1); | |
14 | } | |
48c56fcf | 15 | |
cab68136 PMF |
16 | printf("Fork test program, parent pid is %d\n", getpid()); |
17 | trace_mark(ust, before_fork, MARK_NOARGS); | |
48c56fcf PMF |
18 | |
19 | result = fork(); | |
20 | if(result == -1) { | |
21 | perror("fork"); | |
22 | return 1; | |
23 | } | |
24 | if(result == 0) { | |
cab68136 PMF |
25 | char *args[] = {"fork2", NULL}; |
26 | ||
27 | printf("Child pid is %d\n", getpid()); | |
28 | ||
48c56fcf | 29 | trace_mark(ust, after_fork_child, MARK_NOARGS); |
cab68136 PMF |
30 | |
31 | trace_mark(ust, before_exec, "pid %d", getpid()); | |
32 | ||
33 | result = execve(argv[1], args, env); | |
34 | if(result == -1) { | |
35 | perror("execve"); | |
36 | return 1; | |
37 | } | |
38 | ||
39 | trace_mark(ust, after_exec, "pid %d", getpid()); | |
48c56fcf PMF |
40 | } |
41 | else { | |
42 | trace_mark(ust, after_fork_parent, MARK_NOARGS); | |
43 | } | |
44 | ||
45 | return 0; | |
46 | } |