Mercurial > hg > CbC > CbC_gcc
annotate libiberty/pex-common.h @ 108:7ad14f446135
add CbC-example/rectypeTest/
| author | Nobuyasu Oshiro <dimolto@cr.ie.u-ryukyu.ac.jp> |
|---|---|
| date | Thu, 14 Jun 2012 20:30:24 +0900 |
| parents | 77e2b8dfacca |
| children | 04ced10e8804 |
| rev | line source |
|---|---|
| 0 | 1 /* Utilities to execute a program in a subprocess (possibly linked by pipes |
| 2 with other subprocesses), and wait for it. Shared logic. | |
| 3 Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2003, 2004 | |
| 4 Free Software Foundation, Inc. | |
| 5 | |
| 6 This file is part of the libiberty library. | |
| 7 Libiberty is free software; you can redistribute it and/or | |
| 8 modify it under the terms of the GNU Library General Public | |
| 9 License as published by the Free Software Foundation; either | |
| 10 version 2 of the License, or (at your option) any later version. | |
| 11 | |
| 12 Libiberty 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 GNU | |
| 15 Library General Public License for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU Library General Public | |
| 18 License along with libiberty; see the file COPYING.LIB. If not, | |
| 19 write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor, | |
| 20 Boston, MA 02110-1301, USA. */ | |
| 21 | |
| 22 #ifndef PEX_COMMON_H | |
| 23 #define PEX_COMMON_H | |
| 24 | |
| 25 #include "config.h" | |
| 26 #include "libiberty.h" | |
| 27 #include <stdio.h> | |
| 28 | |
| 29 /* pid_t is may defined by config.h or sys/types.h needs to be | |
| 30 included. */ | |
| 31 #if !defined(pid_t) && defined(HAVE_SYS_TYPES_H) | |
| 32 #include <sys/types.h> | |
| 33 #endif | |
| 34 | |
| 35 #define install_error_msg "installation problem, cannot exec `%s'" | |
| 36 | |
| 37 /* stdin file number. */ | |
| 38 #define STDIN_FILE_NO 0 | |
| 39 | |
| 40 /* stdout file number. */ | |
| 41 #define STDOUT_FILE_NO 1 | |
| 42 | |
| 43 /* stderr file number. */ | |
| 44 #define STDERR_FILE_NO 2 | |
| 45 | |
| 46 /* value of `pipe': port index for reading. */ | |
| 47 #define READ_PORT 0 | |
| 48 | |
| 49 /* value of `pipe': port index for writing. */ | |
| 50 #define WRITE_PORT 1 | |
| 51 | |
| 52 /* The structure used by pex_init and friends. */ | |
| 53 | |
| 54 struct pex_obj | |
| 55 { | |
| 56 /* Flags. */ | |
| 57 int flags; | |
| 58 /* Name of calling program, for error messages. */ | |
| 59 const char *pname; | |
| 60 /* Base name to use for temporary files. */ | |
| 61 const char *tempbase; | |
| 62 /* Pipe to use as stdin for next process. */ | |
| 63 int next_input; | |
| 64 /* File name to use as stdin for next process. */ | |
| 65 char *next_input_name; | |
| 66 /* Whether next_input_name was allocated using malloc. */ | |
| 67 int next_input_name_allocated; | |
| 68 /* If not -1, stderr pipe from the last process. */ | |
| 69 int stderr_pipe; | |
| 70 /* Number of child processes. */ | |
| 71 int count; | |
| 72 /* PIDs of child processes; array allocated using malloc. */ | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
73 pid_t *children; |
| 0 | 74 /* Exit statuses of child processes; array allocated using malloc. */ |
| 75 int *status; | |
| 76 /* Time used by child processes; array allocated using malloc. */ | |
| 77 struct pex_time *time; | |
| 78 /* Number of children we have already waited for. */ | |
| 79 int number_waited; | |
| 80 /* FILE created by pex_input_file. */ | |
| 81 FILE *input_file; | |
| 82 /* FILE created by pex_read_output. */ | |
| 83 FILE *read_output; | |
| 84 /* FILE created by pex_read_err. */ | |
| 85 FILE *read_err; | |
| 86 /* Number of temporary files to remove. */ | |
| 87 int remove_count; | |
| 88 /* List of temporary files to remove; array allocated using malloc | |
| 89 of strings allocated using malloc. */ | |
| 90 char **remove; | |
| 91 /* Pointers to system dependent functions. */ | |
| 92 const struct pex_funcs *funcs; | |
| 93 /* For use by system dependent code. */ | |
| 94 void *sysdep; | |
| 95 }; | |
| 96 | |
| 97 /* Functions passed to pex_run_common. */ | |
| 98 | |
| 99 struct pex_funcs | |
| 100 { | |
| 101 /* Open file NAME for reading. If BINARY is non-zero, open in | |
| 102 binary mode. Return >= 0 on success, -1 on error. */ | |
| 103 int (*open_read) (struct pex_obj *, const char */* name */, int /* binary */); | |
| 104 /* Open file NAME for writing. If BINARY is non-zero, open in | |
| 105 binary mode. Return >= 0 on success, -1 on error. */ | |
| 106 int (*open_write) (struct pex_obj *, const char */* name */, | |
| 107 int /* binary */); | |
| 108 /* Execute a child process. FLAGS, EXECUTABLE, ARGV, ERR are from | |
| 109 pex_run. IN, OUT, ERRDES, TOCLOSE are all descriptors, from | |
| 110 open_read, open_write, or pipe, or they are one of STDIN_FILE_NO, | |
| 111 STDOUT_FILE_NO or STDERR_FILE_NO; if IN, OUT, and ERRDES are not | |
| 112 STD*_FILE_NO, they should be closed. If the descriptor TOCLOSE | |
| 113 is not -1, and the system supports pipes, TOCLOSE should be | |
| 114 closed in the child process. The function should handle the | |
| 115 PEX_STDERR_TO_STDOUT flag. Return >= 0 on success, or -1 on | |
| 116 error and set *ERRMSG and *ERR. */ | |
| 117 pid_t (*exec_child) (struct pex_obj *, int /* flags */, | |
| 118 const char */* executable */, char * const * /* argv */, | |
| 119 char * const * /* env */, | |
| 120 int /* in */, int /* out */, int /* errdes */, | |
| 121 int /* toclose */, const char **/* errmsg */, | |
| 122 int */* err */); | |
| 123 /* Close a descriptor. Return 0 on success, -1 on error. */ | |
| 124 int (*close) (struct pex_obj *, int); | |
| 125 /* Wait for a child to complete, returning exit status in *STATUS | |
| 126 and time in *TIME (if it is not null). CHILD is from fork. DONE | |
| 127 is 1 if this is called via pex_free. ERRMSG and ERR are as in | |
| 128 fork. Return 0 on success, -1 on error. */ | |
|
55
77e2b8dfacca
update it from 4.4.3 to 4.5.0
ryoma <e075725@ie.u-ryukyu.ac.jp>
parents:
0
diff
changeset
|
129 pid_t (*wait) (struct pex_obj *, pid_t /* child */, int * /* status */, |
| 0 | 130 struct pex_time * /* time */, int /* done */, |
| 131 const char ** /* errmsg */, int * /* err */); | |
| 132 /* Create a pipe (only called if PEX_USE_PIPES is set) storing two | |
| 133 descriptors in P[0] and P[1]. If BINARY is non-zero, open in | |
| 134 binary mode. Return 0 on success, -1 on error. */ | |
| 135 int (*pipe) (struct pex_obj *, int * /* p */, int /* binary */); | |
| 136 /* Get a FILE pointer to read from a file descriptor (only called if | |
| 137 PEX_USE_PIPES is set). If BINARY is non-zero, open in binary | |
| 138 mode. Return pointer on success, NULL on error. */ | |
| 139 FILE * (*fdopenr) (struct pex_obj *, int /* fd */, int /* binary */); | |
| 140 /* Get a FILE pointer to write to the file descriptor FD (only | |
| 141 called if PEX_USE_PIPES is set). If BINARY is non-zero, open in | |
| 142 binary mode. Arrange for FD not to be inherited by the child | |
| 143 processes. Return pointer on success, NULL on error. */ | |
| 144 FILE * (*fdopenw) (struct pex_obj *, int /* fd */, int /* binary */); | |
| 145 /* Free any system dependent data associated with OBJ. May be | |
| 146 NULL if there is nothing to do. */ | |
| 147 void (*cleanup) (struct pex_obj *); | |
| 148 }; | |
| 149 | |
| 150 extern struct pex_obj *pex_init_common (int, const char *, const char *, | |
| 151 const struct pex_funcs *); | |
| 152 | |
| 153 #endif |