Mercurial > hg > octave-kai > gnulib-hg
annotate tests/test-posix_spawn1.c @ 16616:2f2ef742aa4b
New module 'exp2'.
* lib/math.in.h (exp2): New declaration.
* lib/exp2.c: New file.
* m4/exp2.m4: New file.
* m4/math_h.m4 (gl_MATH_H): Test whether exp2 is declared.
(gl_MATH_H_DEFAULTS): Initialize GNULIB_EXP2, HAVE_DECL_EXP2,
REPLACE_EXP2.
* modules/math (Makefile.am): Substitute GNULIB_EXP2, HAVE_DECL_EXP2,
REPLACE_EXP2.
* modules/exp2: New file.
* tests/test-math-c++.cc: Check the declaration of exp2.
* doc/posix-functions/exp2.texi: Mention the new module and the IRIX
and OpenBSD problems.
| author | Bruno Haible <bruno@clisp.org> |
|---|---|
| date | Wed, 07 Mar 2012 03:29:32 +0100 |
| parents | 8250f2777afc |
| children | 91a203d21bbc |
| rev | line source |
|---|---|
| 10547 | 1 /* Test of posix_spawn() function. |
|
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Jim Meyering <meyering@redhat.com>
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2 Copyright (C) 2008-2012 Free Software Foundation, Inc. |
| 10547 | 3 |
| 4 This program is free software: you can redistribute it and/or modify | |
| 5 it under the terms of the GNU General Public License as published by | |
| 6 the Free Software Foundation; either version 3 of the License, or | |
| 7 (at your option) any later version. | |
| 8 | |
| 9 This program is distributed in the hope that it will be useful, | |
| 10 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 GNU General Public License for more details. | |
| 13 | |
| 14 You should have received a copy of the GNU General Public License | |
| 15 along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
| 16 | |
| 17 /* Written by Bruno Haible <bruno@clisp.org>, 2008. */ | |
| 18 | |
| 19 #include <config.h> | |
| 20 | |
| 21 #include <spawn.h> | |
| 22 | |
| 12489 | 23 #include "signature.h" |
| 24 SIGNATURE_CHECK (posix_spawnp, int, (pid_t *, char const *, | |
| 25 posix_spawn_file_actions_t const *, | |
| 26 posix_spawnattr_t const *, | |
| 27 char *const[], char *const[])); | |
| 28 SIGNATURE_CHECK (posix_spawnattr_init, int, (posix_spawnattr_t *)); | |
| 29 SIGNATURE_CHECK (posix_spawnattr_destroy, int, (posix_spawnattr_t *)); | |
| 30 SIGNATURE_CHECK (posix_spawnattr_setsigmask, int, (posix_spawnattr_t *, | |
| 31 sigset_t const *)); | |
| 32 SIGNATURE_CHECK (posix_spawnattr_setflags, int, (posix_spawnattr_t *, short)); | |
| 33 SIGNATURE_CHECK (posix_spawn_file_actions_init, int, | |
| 34 (posix_spawn_file_actions_t *)); | |
| 35 SIGNATURE_CHECK (posix_spawn_file_actions_destroy, int, | |
| 36 (posix_spawn_file_actions_t *)); | |
| 37 SIGNATURE_CHECK (posix_spawn_file_actions_addclose, int, | |
| 38 (posix_spawn_file_actions_t *, int)); | |
| 39 SIGNATURE_CHECK (posix_spawn_file_actions_addopen, int, | |
| 40 (posix_spawn_file_actions_t *, int, char const *, int, | |
| 41 mode_t)); | |
| 42 SIGNATURE_CHECK (posix_spawn_file_actions_adddup2, int, | |
| 43 (posix_spawn_file_actions_t *, int, int)); | |
| 44 | |
| 10547 | 45 #include <errno.h> |
| 46 #include <fcntl.h> | |
| 47 #include <signal.h> | |
| 48 #include <stdbool.h> | |
| 49 #include <stdio.h> | |
| 50 #include <stdlib.h> | |
| 51 #include <string.h> | |
| 52 #include <unistd.h> | |
| 53 #include <sys/types.h> | |
| 54 #include <sys/wait.h> | |
| 55 | |
| 56 extern char **environ; | |
| 57 | |
| 58 #define CHILD_PROGRAM_FILENAME "test-posix_spawn1.sh" | |
| 59 | |
| 60 static int | |
| 61 fd_safer (int fd) | |
| 62 { | |
| 63 if (0 <= fd && fd <= 2) | |
| 64 { | |
| 65 int f = fd_safer (dup (fd)); | |
| 66 int e = errno; | |
| 67 close (fd); | |
| 68 errno = e; | |
| 69 fd = f; | |
| 70 } | |
| 71 | |
| 72 return fd; | |
| 10548 | 73 } |
| 10547 | 74 |
| 75 int | |
| 76 main () | |
| 77 { | |
| 78 char *argv[3] = { "/bin/sh", CHILD_PROGRAM_FILENAME, NULL }; | |
| 79 int ifd[2]; | |
| 80 sigset_t blocked_signals; | |
| 81 sigset_t fatal_signal_set; | |
| 82 posix_spawn_file_actions_t actions; | |
| 83 bool actions_allocated; | |
| 84 posix_spawnattr_t attrs; | |
| 85 bool attrs_allocated; | |
| 86 int err; | |
| 87 pid_t child; | |
| 88 int fd; | |
| 89 FILE *fp; | |
| 90 char line[80]; | |
| 91 int status; | |
| 92 int exitstatus; | |
| 93 | |
| 94 if (pipe (ifd) < 0 || (ifd[0] = fd_safer (ifd[0])) < 0) | |
| 95 { | |
| 96 perror ("cannot create pipe"); | |
| 97 exit (1); | |
| 98 } | |
| 99 sigprocmask (SIG_SETMASK, NULL, &blocked_signals); | |
| 100 sigemptyset (&fatal_signal_set); | |
| 101 sigaddset (&fatal_signal_set, SIGINT); | |
| 102 sigaddset (&fatal_signal_set, SIGTERM); | |
| 103 sigaddset (&fatal_signal_set, SIGHUP); | |
| 104 sigaddset (&fatal_signal_set, SIGPIPE); | |
| 105 sigprocmask (SIG_BLOCK, &fatal_signal_set, NULL); | |
| 106 actions_allocated = false; | |
| 107 attrs_allocated = false; | |
| 108 if ((err = posix_spawn_file_actions_init (&actions)) != 0 | |
| 109 || (actions_allocated = true, | |
| 110 (err = posix_spawn_file_actions_adddup2 (&actions, ifd[1], STDOUT_FILENO)) != 0 | |
| 111 || (err = posix_spawn_file_actions_addclose (&actions, ifd[1])) != 0 | |
| 112 || (err = posix_spawn_file_actions_addclose (&actions, ifd[0])) != 0 | |
| 113 || (err = posix_spawn_file_actions_addopen (&actions, STDIN_FILENO, "/dev/null", O_RDONLY, 0)) != 0 | |
| 114 || (err = posix_spawnattr_init (&attrs)) != 0 | |
| 115 || (attrs_allocated = true, | |
| 116 (err = posix_spawnattr_setsigmask (&attrs, &blocked_signals)) != 0 | |
| 117 || (err = posix_spawnattr_setflags (&attrs, POSIX_SPAWN_SETSIGMASK)) != 0) | |
| 118 || (err = posix_spawnp (&child, "/bin/sh", &actions, &attrs, argv, environ)) != 0)) | |
| 119 { | |
| 120 if (actions_allocated) | |
|
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121 posix_spawn_file_actions_destroy (&actions); |
| 10547 | 122 if (attrs_allocated) |
|
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123 posix_spawnattr_destroy (&attrs); |
| 10547 | 124 sigprocmask (SIG_UNBLOCK, &fatal_signal_set, NULL); |
| 125 errno = err; | |
| 126 perror ("subprocess failed"); | |
| 127 exit (1); | |
| 128 } | |
| 129 posix_spawn_file_actions_destroy (&actions); | |
| 130 posix_spawnattr_destroy (&attrs); | |
| 131 sigprocmask (SIG_UNBLOCK, &fatal_signal_set, NULL); | |
| 132 close (ifd[1]); | |
| 133 fd = ifd[0]; | |
| 134 fp = fdopen (fd, "r"); | |
| 135 if (fp == NULL) | |
| 136 { | |
| 137 fprintf (stderr, "fdopen() failed\n"); | |
| 138 exit (1); | |
| 139 } | |
| 140 if (fread (line, 1, 80, fp) < 12) | |
| 141 { | |
| 142 fprintf (stderr, "could not read expected output\n"); | |
| 143 exit (1); | |
| 144 } | |
| 145 if (memcmp (line, "Halle Potta", 11) != 0) | |
| 146 { | |
| 147 fprintf (stderr, "read output is not the expected output"); | |
| 148 exit (1); | |
| 149 } | |
| 150 fclose (fp); | |
| 151 status = 0; | |
| 152 while (waitpid (child, &status, 0) != child) | |
| 153 ; | |
| 154 if (!WIFEXITED (status)) | |
| 155 { | |
| 156 fprintf (stderr, "subprocess terminated with unexpected wait status %d\n", status); | |
| 157 exit (1); | |
| 158 } | |
| 159 exitstatus = WEXITSTATUS (status); | |
| 160 if (exitstatus != 0) | |
| 161 { | |
| 162 fprintf (stderr, "subprocess terminated with unexpected exit status %d\n", exitstatus); | |
| 163 exit (1); | |
| 164 } | |
| 165 return 0; | |
| 166 } |