From 03d65262fdcc287ef8b691c7dff2f1a63cdd13c2 Mon Sep 17 00:00:00 2001 From: Jakub Jelinek Date: Mon, 27 Jun 2005 13:24:44 +0000 Subject: 2.3.90-1 --- glibc-compat/oldiopopen.c | 289 ---------------------------------------------- 1 file changed, 289 deletions(-) delete mode 100644 glibc-compat/oldiopopen.c (limited to 'glibc-compat/oldiopopen.c') diff --git a/glibc-compat/oldiopopen.c b/glibc-compat/oldiopopen.c deleted file mode 100644 index 13b5d16c83..0000000000 --- a/glibc-compat/oldiopopen.c +++ /dev/null @@ -1,289 +0,0 @@ -/* Copyright (C) 1998 Free Software Foundation, Inc. - This file is part of the GNU IO Library. - Written by Per Bothner . - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU General Public License as - published by the Free Software Foundation; either version 2, or (at - your option) any later version. - - This library is distributed in the hope that it will be useful, but - WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this library; see the file COPYING. If not, write to - the Free Software Foundation, 59 Temple Place - Suite 330, Boston, - MA 02111-1307, USA. - - As a special exception, if you link this library with files - compiled with a GNU compiler to produce an executable, this does - not cause the resulting executable to be covered by the GNU General - Public License. This exception does not however invalidate any - other reasons why the executable file might be covered by the GNU - General Public License. */ - -#define _IO_USE_OLD_IO_FILE -#ifndef _POSIX_SOURCE -# define _POSIX_SOURCE -#endif -#include "libioP.h" -#if _IO_HAVE_SYS_WAIT -#include -#include -#ifdef __STDC__ -#include -#endif -#ifdef _LIBC -# include -#endif -#include -#include - -#ifndef _IO_fork -#ifdef _LIBC -#define _IO_fork __vfork -#else -#define _IO_fork vfork /* defined in libiberty, if needed */ -#endif -extern _IO_pid_t _IO_fork (void); -#endif - -#endif /* _IO_HAVE_SYS_WAIT */ - -#ifndef _IO_pipe -#ifdef _LIBC -#define _IO_pipe __pipe -#else -#define _IO_pipe pipe -#endif -extern int _IO_pipe (int des[2]); -#endif - -#ifndef _IO_dup2 -#ifdef _LIBC -#define _IO_dup2 __dup2 -#else -#define _IO_dup2 dup2 -#endif -extern int _IO_dup2 (int fd, int fd2); -#endif - -#ifndef _IO_waitpid -#ifdef _LIBC -#define _IO_waitpid __waitpid -#else -#define _IO_waitpid waitpid -#endif -#endif - -#ifndef _IO_execl -#define _IO_execl execl -#endif -#ifndef _IO__exit -#define _IO__exit _exit -#endif - -#ifndef _IO_close -#ifdef _LIBC -#define _IO_close __close -#else -#define _IO_close close -#endif -#endif - -struct _IO_proc_file -{ - struct _IO_FILE_plus file; - /* Following fields must match those in class procbuf (procbuf.h) */ - _IO_pid_t pid; - struct _IO_proc_file *next; -}; -typedef struct _IO_proc_file _IO_proc_file; - -static struct _IO_proc_file *old_proc_file_chain = NULL; - -_IO_FILE * -_IO_old_proc_open (fp, command, mode) - _IO_FILE *fp; - const char *command; - const char *mode; -{ -#if _IO_HAVE_SYS_WAIT - volatile int read_or_write; - volatile int parent_end, child_end; - int pipe_fds[2]; - _IO_pid_t child_pid; - if (_IO_file_is_open (fp)) - return NULL; - if (_IO_pipe (pipe_fds) < 0) - return NULL; - if (mode[0] == 'r' && mode[1] == '\0') - { - parent_end = pipe_fds[0]; - child_end = pipe_fds[1]; - read_or_write = _IO_NO_WRITES; - } - else if (mode[0] == 'w' && mode[1] == '\0') - { - parent_end = pipe_fds[1]; - child_end = pipe_fds[0]; - read_or_write = _IO_NO_READS; - } - else - { - __set_errno (EINVAL); - return NULL; - } - ((_IO_proc_file *) fp)->pid = child_pid = _IO_fork (); - if (child_pid == 0) - { - int child_std_end = mode[0] == 'r' ? 1 : 0; - _IO_close (parent_end); - if (child_end != child_std_end) - { - _IO_dup2 (child_end, child_std_end); - _IO_close (child_end); - } - /* POSIX.2: "popen() shall ensure that any streams from previous - popen() calls that remain open in the parent process are closed - in the new child process." */ - while (old_proc_file_chain) - { - _IO_close (_IO_fileno ((_IO_FILE *) old_proc_file_chain)); - old_proc_file_chain = old_proc_file_chain->next; - } - - _IO_execl ("/bin/sh", "sh", "-c", command, (char *) 0); - _IO__exit (127); - } - _IO_close (child_end); - if (child_pid < 0) - { - _IO_close (parent_end); - return NULL; - } - _IO_fileno (fp) = parent_end; - - /* Link into old_proc_file_chain. */ - ((_IO_proc_file *) fp)->next = old_proc_file_chain; - old_proc_file_chain = (_IO_proc_file *) fp; - - _IO_mask_flags (fp, read_or_write, _IO_NO_READS|_IO_NO_WRITES); - return fp; -#else /* !_IO_HAVE_SYS_WAIT */ - return NULL; -#endif -} - -_IO_FILE * -_IO_old_popen (command, mode) - const char *command; - const char *mode; -{ - struct locked_FILE - { - struct _IO_proc_file fpx; -#ifdef _IO_MTSAFE_IO - _IO_lock_t lock; -#endif - } *new_f; - _IO_FILE *fp; - - new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE)); - if (new_f == NULL) - return NULL; -#ifdef _IO_MTSAFE_IO - new_f->fpx.file.file._lock = &new_f->lock; -#endif - fp = &new_f->fpx.file.file; - _IO_init (fp, 0); - _IO_JUMPS (fp) = &_IO_old_proc_jumps; - _IO_old_file_init (fp); -#if !_IO_UNIFIED_JUMPTABLES - new_f->fpx.file.vtable = NULL; -#endif - if (_IO_old_proc_open (fp, command, mode) != NULL) - return fp; - _IO_un_link (fp); - free (new_f); - return NULL; -} - -int -_IO_old_proc_close (fp) - _IO_FILE *fp; -{ - /* This is not name-space clean. FIXME! */ -#if _IO_HAVE_SYS_WAIT - int wstatus; - _IO_proc_file **ptr = &old_proc_file_chain; - _IO_pid_t wait_pid; - int status = -1; - - /* Unlink from old_proc_file_chain. */ - for ( ; *ptr != NULL; ptr = &(*ptr)->next) - { - if (*ptr == (_IO_proc_file *) fp) - { - *ptr = (*ptr)->next; - status = 0; - break; - } - } - - if (status < 0 || _IO_close (_IO_fileno(fp)) < 0) - return -1; - /* POSIX.2 Rationale: "Some historical implementations either block - or ignore the signals SIGINT, SIGQUIT, and SIGHUP while waiting - for the child process to terminate. Since this behavior is not - described in POSIX.2, such implementations are not conforming." */ - do - { - wait_pid = _IO_waitpid (((_IO_proc_file *) fp)->pid, &wstatus, 0); - } - while (wait_pid == -1 && errno == EINTR); - if (wait_pid == -1) - return -1; - return wstatus; -#else /* !_IO_HAVE_SYS_WAIT */ - return -1; -#endif -} - -struct _IO_jump_t _IO_old_proc_jumps = { - JUMP_INIT_DUMMY, - JUMP_INIT(finish, _IO_old_file_finish), - JUMP_INIT(overflow, _IO_old_file_overflow), - JUMP_INIT(underflow, _IO_old_file_underflow), - JUMP_INIT(uflow, _IO_default_uflow), - JUMP_INIT(pbackfail, _IO_default_pbackfail), - JUMP_INIT(xsputn, _IO_old_file_xsputn), - JUMP_INIT(xsgetn, _IO_default_xsgetn), - JUMP_INIT(seekoff, _IO_old_file_seekoff), - JUMP_INIT(seekpos, _IO_default_seekpos), - JUMP_INIT(setbuf, _IO_old_file_setbuf), - JUMP_INIT(sync, _IO_old_file_sync), - JUMP_INIT(doallocate, _IO_file_doallocate), - JUMP_INIT(read, _IO_file_read), - JUMP_INIT(write, _IO_old_file_write), - JUMP_INIT(seek, _IO_file_seek), - JUMP_INIT(close, _IO_old_proc_close), - JUMP_INIT(stat, _IO_file_stat), - JUMP_INIT(showmanyc, _IO_default_showmanyc), - JUMP_INIT(imbue, _IO_default_imbue) -}; - -#ifdef SHARED -strong_alias (_IO_old_popen, __old_popen) -symbol_version (_IO_old_popen, _IO_popen, GLIBC_2.0); -symbol_version (__old_popen, popen, GLIBC_2.0); -symbol_version (_IO_old_proc_open, _IO_proc_open, GLIBC_2.0); -symbol_version (_IO_old_proc_close, _IO_proc_close, GLIBC_2.0); -#else -strong_alias (_IO_old_popen, _IO_popen); -strong_alias (__old_popen, popen); -strong_alias (_IO_old_proc_open, _IO_proc_open); -strong_alias (_IO_old_proc_close, _IO_proc_close); -#endif -- cgit v1.2.3