xref: /netbsd-src/external/bsd/atf/dist/tools/process_helpers.c (revision d780102efefa02003390cc43ea410dbd0ebb4a85)
1*d780102eSjmmv /*
2*d780102eSjmmv  * Automated Testing Framework (atf)
3*d780102eSjmmv  *
4*d780102eSjmmv  * Copyright (c) 2008 The NetBSD Foundation, Inc.
5*d780102eSjmmv  * All rights reserved.
6*d780102eSjmmv  *
7*d780102eSjmmv  * Redistribution and use in source and binary forms, with or without
8*d780102eSjmmv  * modification, are permitted provided that the following conditions
9*d780102eSjmmv  * are met:
10*d780102eSjmmv  * 1. Redistributions of source code must retain the above copyright
11*d780102eSjmmv  *    notice, this list of conditions and the following disclaimer.
12*d780102eSjmmv  * 2. Redistributions in binary form must reproduce the above copyright
13*d780102eSjmmv  *    notice, this list of conditions and the following disclaimer in the
14*d780102eSjmmv  *    documentation and/or other materials provided with the distribution.
15*d780102eSjmmv  *
16*d780102eSjmmv  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
17*d780102eSjmmv  * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
18*d780102eSjmmv  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19*d780102eSjmmv  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20*d780102eSjmmv  * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
21*d780102eSjmmv  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22*d780102eSjmmv  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
23*d780102eSjmmv  * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24*d780102eSjmmv  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25*d780102eSjmmv  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
26*d780102eSjmmv  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27*d780102eSjmmv  * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28*d780102eSjmmv  */
29*d780102eSjmmv 
30*d780102eSjmmv #include <sys/types.h>
31*d780102eSjmmv 
32*d780102eSjmmv #include <assert.h> /* NO_CHECK_STYLE */
33*d780102eSjmmv #include <signal.h>
34*d780102eSjmmv #include <stdio.h>
35*d780102eSjmmv #include <stdlib.h>
36*d780102eSjmmv #include <string.h>
37*d780102eSjmmv #include <unistd.h>
38*d780102eSjmmv 
39*d780102eSjmmv static
40*d780102eSjmmv int
h_echo(const char * msg)41*d780102eSjmmv h_echo(const char *msg)
42*d780102eSjmmv {
43*d780102eSjmmv     printf("%s\n", msg);
44*d780102eSjmmv     return EXIT_SUCCESS;
45*d780102eSjmmv }
46*d780102eSjmmv 
47*d780102eSjmmv static
48*d780102eSjmmv int
h_exit_failure(void)49*d780102eSjmmv h_exit_failure(void)
50*d780102eSjmmv {
51*d780102eSjmmv     return EXIT_FAILURE;
52*d780102eSjmmv }
53*d780102eSjmmv 
54*d780102eSjmmv static
55*d780102eSjmmv int
h_exit_signal(void)56*d780102eSjmmv h_exit_signal(void)
57*d780102eSjmmv {
58*d780102eSjmmv     kill(getpid(), SIGKILL);
59*d780102eSjmmv     assert(0); /* NO_CHECK_STYLE */
60*d780102eSjmmv     return EXIT_FAILURE;
61*d780102eSjmmv }
62*d780102eSjmmv 
63*d780102eSjmmv static
64*d780102eSjmmv int
h_exit_success(void)65*d780102eSjmmv h_exit_success(void)
66*d780102eSjmmv {
67*d780102eSjmmv     return EXIT_SUCCESS;
68*d780102eSjmmv }
69*d780102eSjmmv 
70*d780102eSjmmv static
71*d780102eSjmmv int
h_stdout_stderr(const char * id)72*d780102eSjmmv h_stdout_stderr(const char *id)
73*d780102eSjmmv {
74*d780102eSjmmv     fprintf(stdout, "Line 1 to stdout for %s\n", id);
75*d780102eSjmmv     fprintf(stdout, "Line 2 to stdout for %s\n", id);
76*d780102eSjmmv     fprintf(stderr, "Line 1 to stderr for %s\n", id);
77*d780102eSjmmv     fprintf(stderr, "Line 2 to stderr for %s\n", id);
78*d780102eSjmmv 
79*d780102eSjmmv     return EXIT_SUCCESS;
80*d780102eSjmmv }
81*d780102eSjmmv 
82*d780102eSjmmv static
83*d780102eSjmmv void
check_args(const int argc,const char * const argv[],const int required)84*d780102eSjmmv check_args(const int argc, const char *const argv[], const int required)
85*d780102eSjmmv {
86*d780102eSjmmv     if (argc < required) {
87*d780102eSjmmv         fprintf(stderr, "Usage: %s helper-name [args]\n", argv[0]);
88*d780102eSjmmv         exit(EXIT_FAILURE);
89*d780102eSjmmv     }
90*d780102eSjmmv }
91*d780102eSjmmv 
92*d780102eSjmmv int
main(int argc,const char * const argv[])93*d780102eSjmmv main(int argc, const char *const argv[])
94*d780102eSjmmv {
95*d780102eSjmmv     int exitcode;
96*d780102eSjmmv 
97*d780102eSjmmv     check_args(argc, argv, 2);
98*d780102eSjmmv 
99*d780102eSjmmv     if (strcmp(argv[1], "echo") == 0) {
100*d780102eSjmmv         check_args(argc, argv, 3);
101*d780102eSjmmv         exitcode = h_echo(argv[2]);
102*d780102eSjmmv     } else if (strcmp(argv[1], "exit-failure") == 0)
103*d780102eSjmmv         exitcode = h_exit_failure();
104*d780102eSjmmv     else if (strcmp(argv[1], "exit-signal") == 0)
105*d780102eSjmmv         exitcode = h_exit_signal();
106*d780102eSjmmv     else if (strcmp(argv[1], "exit-success") == 0)
107*d780102eSjmmv         exitcode = h_exit_success();
108*d780102eSjmmv     else if (strcmp(argv[1], "stdout-stderr") == 0) {
109*d780102eSjmmv         check_args(argc, argv, 3);
110*d780102eSjmmv         exitcode = h_stdout_stderr(argv[2]);
111*d780102eSjmmv     } else {
112*d780102eSjmmv         fprintf(stderr, "%s: Unknown helper %s\n", argv[0], argv[1]);
113*d780102eSjmmv         exitcode = EXIT_FAILURE;
114*d780102eSjmmv     }
115*d780102eSjmmv 
116*d780102eSjmmv     return exitcode;
117*d780102eSjmmv }
118