1 /* Pexecute test program,
2 Copyright (C) 2005 Free Software Foundation, Inc.
3 Written by Ian Lance Taylor <ian@airs.com>.
5 This file is part of GNU libiberty.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
26 #include "libiberty.h"
33 #include <sys/types.h>
40 #ifdef HAVE_SYS_WAIT_H
43 #ifdef HAVE_SYS_TIME_H
46 #ifdef HAVE_SYS_RESOURCE_H
47 #include <sys/resource.h>
51 #define WIFSIGNALED(S) (((S) & 0xff) != 0 && ((S) & 0xff) != 0x7f)
54 #define WTERMSIG(S) ((S) & 0x7f)
57 #define WIFEXITED(S) (((S) & 0xff) == 0)
60 #define WEXITSTATUS(S) (((S) & 0xff00) >> 8)
63 #define WSTOPSIG WEXITSTATUS
66 #define WCOREDUMP(S) ((S) & WCOREFLG)
73 #define EXIT_SUCCESS 0
77 #define EXIT_FAILURE 1
80 /* When this program is run with no arguments, it runs some tests of
81 the libiberty pexecute functions. As a test program, it simply
82 invokes itself with various arguments.
85 *empty string* Run tests, exit with success status
89 echo Echo remaining arguments, exit success
90 echoerr Echo next arg to stdout, next to stderr, repeat
91 copy Copy stdin to stdout
92 write Write stdin to file named in next argument
95 static void fatal_error (int, const char *, int) ATTRIBUTE_NORETURN
;
96 static void error (int, const char *);
97 static void check_line (int, FILE *, const char *);
98 static void do_cmd (int, char **) ATTRIBUTE_NORETURN
;
100 /* The number of errors we have seen. */
102 static int error_count
;
104 /* Print a fatal error and exit. LINE is the line number where we
105 detected the error, ERRMSG is the error message to print, and ERR
106 is 0 or an errno value to print. */
109 fatal_error (int line
, const char *errmsg
, int err
)
111 fprintf (stderr
, "test-pexecute:%d: %s", line
, errmsg
);
113 fprintf (stderr
, ": %s", xstrerror (err
));
114 fprintf (stderr
, "\n");
118 #define FATAL_ERROR(ERRMSG, ERR) fatal_error (__LINE__, ERRMSG, ERR)
120 /* Print an error message and bump the error count. LINE is the line
121 number where we detected the error, ERRMSG is the error to
125 error (int line
, const char *errmsg
)
127 fprintf (stderr
, "test-pexecute:%d: %s\n", line
, errmsg
);
131 #define ERROR(ERRMSG) error (__LINE__, ERRMSG)
133 /* Check a line in a file. */
136 check_line (int line
, FILE *e
, const char *str
)
151 snprintf (buf
, sizeof buf
, "got '%c' when expecting newline", c
);
152 fatal_error (line
, buf
, 0);
157 snprintf (buf
, sizeof buf
, "got '%c' when expecting EOF", c
);
158 fatal_error (line
, buf
, 0);
165 snprintf (buf
, sizeof buf
, "expected '%c', got '%c'", *p
, c
);
166 fatal_error (line
, buf
, 0);
173 #define CHECK_LINE(E, STR) check_line (__LINE__, E, STR)
175 /* Main function for the pexecute tester. Run the tests. */
178 main (int argc
, char **argv
)
181 struct pex_obj
*test_pex_tmp
;
184 struct pex_obj
*pex1
;
191 if (argc
> 1 && strcmp (argv
[1], "-t") == 0)
201 #define TEST_PEX_INIT(FLAGS, TEMPBASE) \
202 (((test_pex_tmp = pex_init (FLAGS, "test-pexecute", TEMPBASE)) \
205 : (FATAL_ERROR ("pex_init failed", 0), NULL))
207 #define TEST_PEX_RUN(PEXOBJ, FLAGS, EXECUTABLE, ARGV, OUTNAME, ERRNAME) \
211 const char *pex_run_err; \
213 fprintf (stderr, "Line %d: running %s %s\n", \
214 __LINE__, EXECUTABLE, ARGV[0]); \
215 pex_run_err = pex_run (PEXOBJ, FLAGS, EXECUTABLE, ARGV, OUTNAME, \
217 if (pex_run_err != NULL) \
218 FATAL_ERROR (pex_run_err, err); \
222 #define TEST_PEX_GET_STATUS_1(PEXOBJ) \
223 (pex_get_status (PEXOBJ, 1, &test_pex_status) \
225 : (FATAL_ERROR ("pex_get_status failed", errno), 1))
227 #define TEST_PEX_GET_STATUS(PEXOBJ, COUNT, VECTOR) \
230 if (!pex_get_status (PEXOBJ, COUNT, VECTOR)) \
231 FATAL_ERROR ("pex_get_status failed", errno); \
235 #define TEST_PEX_READ_OUTPUT(PEXOBJ) \
236 ((test_pex_file = pex_read_output (PEXOBJ, 0)) != NULL \
238 : (FATAL_ERROR ("pex_read_output failed", errno), NULL))
243 memset (subargv
, 0, sizeof subargv
);
245 subargv
[0] = "./test-pexecute";
247 pex1
= TEST_PEX_INIT (PEX_USE_PIPES
, NULL
);
250 TEST_PEX_RUN (pex1
, PEX_LAST
, "./test-pexecute", subargv
, NULL
, NULL
);
251 status
= TEST_PEX_GET_STATUS_1 (pex1
);
252 if (!WIFEXITED (status
) || WEXITSTATUS (status
) != EXIT_SUCCESS
)
253 ERROR ("exit failed");
256 pex1
= TEST_PEX_INIT (PEX_USE_PIPES
, NULL
);
257 subargv
[1] = "error";
259 TEST_PEX_RUN (pex1
, PEX_LAST
, "./test-pexecute", subargv
, NULL
, NULL
);
260 status
= TEST_PEX_GET_STATUS_1 (pex1
);
261 if (!WIFEXITED (status
) || WEXITSTATUS (status
) != EXIT_FAILURE
)
262 ERROR ("error test failed");
265 /* We redirect stderr to a file to avoid an error message which is
266 printed on mingw32 when the child calls abort. */
267 pex1
= TEST_PEX_INIT (PEX_USE_PIPES
, NULL
);
268 subargv
[1] = "abort";
270 TEST_PEX_RUN (pex1
, PEX_LAST
, "./test-pexecute", subargv
, NULL
, "temp.z");
271 status
= TEST_PEX_GET_STATUS_1 (pex1
);
272 if (!WIFSIGNALED (status
) || WTERMSIG (status
) != SIGABRT
)
273 ERROR ("abort failed");
277 pex1
= TEST_PEX_INIT (PEX_USE_PIPES
, "temp");
281 TEST_PEX_RUN (pex1
, 0, "./test-pexecute", subargv
, NULL
, NULL
);
282 e
= TEST_PEX_READ_OUTPUT (pex1
);
283 CHECK_LINE (e
, "foo");
284 if (TEST_PEX_GET_STATUS_1 (pex1
) != 0)
285 ERROR ("echo exit status failed");
288 pex1
= TEST_PEX_INIT (PEX_USE_PIPES
, "temp");
292 TEST_PEX_RUN (pex1
, PEX_SUFFIX
, "./test-pexecute", subargv
, ".x", NULL
);
295 TEST_PEX_RUN (pex1
, PEX_SUFFIX
, "./test-pexecute", subargv
, ".y", NULL
);
296 e
= TEST_PEX_READ_OUTPUT (pex1
);
297 CHECK_LINE (e
, "bar");
298 TEST_PEX_GET_STATUS (pex1
, 2, statuses
);
299 if (!WIFEXITED (statuses
[0]) || WEXITSTATUS (statuses
[0]) != EXIT_SUCCESS
300 || !WIFEXITED (statuses
[1]) || WEXITSTATUS (statuses
[1]) != EXIT_SUCCESS
)
301 ERROR ("copy exit status failed");
303 if (fopen ("temp.x", "r") != NULL
|| fopen ("temp.y", "r") != NULL
)
304 ERROR ("temporary files exist");
306 pex1
= TEST_PEX_INIT (0, "temp");
310 TEST_PEX_RUN (pex1
, PEX_SUFFIX
, "./test-pexecute", subargv
, ".x", NULL
);
313 TEST_PEX_RUN (pex1
, PEX_SUFFIX
, "./test-pexecute", subargv
, ".y", NULL
);
314 e
= TEST_PEX_READ_OUTPUT (pex1
);
315 CHECK_LINE (e
, "bar");
316 TEST_PEX_GET_STATUS (pex1
, 2, statuses
);
317 if (!WIFEXITED (statuses
[0]) || WEXITSTATUS (statuses
[0]) != EXIT_SUCCESS
318 || !WIFEXITED (statuses
[1]) || WEXITSTATUS (statuses
[1]) != EXIT_SUCCESS
)
319 ERROR ("copy exit status failed");
321 if (fopen ("temp.x", "r") != NULL
|| fopen ("temp.y", "r") != NULL
)
322 ERROR ("temporary files exist");
324 pex1
= TEST_PEX_INIT (PEX_SAVE_TEMPS
, "temp");
328 TEST_PEX_RUN (pex1
, PEX_SUFFIX
, "./test-pexecute", subargv
, ".x", NULL
);
331 TEST_PEX_RUN (pex1
, PEX_SUFFIX
, "./test-pexecute", subargv
, ".y", NULL
);
332 e
= TEST_PEX_READ_OUTPUT (pex1
);
333 CHECK_LINE (e
, "quux");
334 TEST_PEX_GET_STATUS (pex1
, 2, statuses
);
335 if (!WIFEXITED (statuses
[0]) || WEXITSTATUS (statuses
[0]) != EXIT_SUCCESS
336 || !WIFEXITED (statuses
[1]) || WEXITSTATUS (statuses
[1]) != EXIT_SUCCESS
)
337 ERROR ("copy temp exit status failed");
338 e
= fopen ("temp.x", "r");
340 FATAL_ERROR ("fopen temp.x failed in copy temp", errno
);
341 CHECK_LINE (e
, "quux");
343 e
= fopen ("temp.y", "r");
345 FATAL_ERROR ("fopen temp.y failed in copy temp", errno
);
346 CHECK_LINE (e
, "quux");
352 pex1
= TEST_PEX_INIT (PEX_USE_PIPES
, "temp");
353 subargv
[1] = "echoerr";
357 TEST_PEX_RUN (pex1
, PEX_SUFFIX
, "./test-pexecute", subargv
, ".x", "temp2.x");
358 subargv
[1] = "write";
359 subargv
[2] = "temp2.y";
361 TEST_PEX_RUN (pex1
, PEX_SUFFIX
, "./test-pexecute", subargv
, ".y", NULL
);
362 TEST_PEX_GET_STATUS (pex1
, 2, statuses
);
363 if (!WIFEXITED (statuses
[0]) || WEXITSTATUS (statuses
[0]) != EXIT_SUCCESS
364 || !WIFEXITED (statuses
[1]) || WEXITSTATUS (statuses
[1]) != EXIT_SUCCESS
)
365 ERROR ("echoerr exit status failed");
367 if (fopen ("temp.x", "r") != NULL
|| fopen ("temp.y", "r") != NULL
)
368 ERROR ("temporary files exist");
369 e
= fopen ("temp2.x", "r");
371 FATAL_ERROR ("fopen temp2.x failed in echoerr", errno
);
372 CHECK_LINE (e
, "two");
374 e
= fopen ("temp2.y", "r");
376 FATAL_ERROR ("fopen temp2.y failed in echoerr", errno
);
377 CHECK_LINE (e
, "one");
382 /* Test the old pexecute interface. */
391 subargv
[2] = "oldpexecute";
393 pid1
= pexecute ("./test-pexecute", subargv
, "test-pexecute", "temp",
394 &errmsg_fmt
, &errmsg_arg
, PEXECUTE_FIRST
);
397 snprintf (errbuf1
, sizeof errbuf1
, errmsg_fmt
, errmsg_arg
);
398 snprintf (errbuf2
, sizeof errbuf2
, "pexecute 1 failed: %s", errbuf1
);
399 FATAL_ERROR (errbuf2
, 0);
402 subargv
[1] = "write";
403 subargv
[2] = "temp.y";
405 pid2
= pexecute ("./test-pexecute", subargv
, "test-pexecute", "temp",
406 &errmsg_fmt
, &errmsg_arg
, PEXECUTE_LAST
);
409 snprintf (errbuf1
, sizeof errbuf1
, errmsg_fmt
, errmsg_arg
);
410 snprintf (errbuf2
, sizeof errbuf2
, "pexecute 2 failed: %s", errbuf1
);
411 FATAL_ERROR (errbuf2
, 0);
414 if (pwait (pid1
, &status
, 0) < 0)
415 FATAL_ERROR ("write pwait 1 failed", errno
);
416 if (!WIFEXITED (status
) || WEXITSTATUS (status
) != EXIT_SUCCESS
)
417 ERROR ("write exit status 1 failed");
419 if (pwait (pid2
, &status
, 0) < 0)
420 FATAL_ERROR ("write pwait 1 failed", errno
);
421 if (!WIFEXITED (status
) || WEXITSTATUS (status
) != EXIT_SUCCESS
)
422 ERROR ("write exit status 2 failed");
424 e
= fopen ("temp.y", "r");
426 FATAL_ERROR ("fopen temp.y failed in copy temp", errno
);
427 CHECK_LINE (e
, "oldpexecute");
434 fprintf (stderr
, "Exiting with status %d\n", error_count
);
439 /* Execute one of the special testing commands. */
442 do_cmd (int argc
, char **argv
)
446 /* Try to prevent generating a core dump. */
453 setrlimit (RLIMIT_CORE
, &r
);
458 if (strcmp (s
, "exit") == 0)
460 else if (strcmp (s
, "echo") == 0)
464 for (i
= 2; i
< argc
; ++i
)
468 fputs (argv
[i
], stdout
);
473 else if (strcmp (s
, "echoerr") == 0)
477 for (i
= 2; i
< argc
; ++i
)
480 putc (' ', (i
& 1) == 0 ? stdout
: stderr
);
481 fputs (argv
[i
], (i
& 1) == 0 ? stdout
: stderr
);
487 else if (strcmp (s
, "error") == 0)
489 else if (strcmp (s
, "abort") == 0)
491 else if (strcmp (s
, "copy") == 0)
495 while ((c
= getchar ()) != EOF
)
499 else if (strcmp (s
, "write") == 0)
504 e
= fopen (argv
[2], "w");
506 FATAL_ERROR ("fopen for write failed", errno
);
507 while ((c
= getchar ()) != EOF
)
510 FATAL_ERROR ("fclose for write failed", errno
);
517 snprintf (buf
, sizeof buf
, "unrecognized command %s", argv
[1]);
518 FATAL_ERROR (buf
, 0);
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