diff options
Diffstat (limited to 'usr.bin/make/proc.c')
| -rw-r--r-- | usr.bin/make/proc.c | 134 |
1 files changed, 0 insertions, 134 deletions
diff --git a/usr.bin/make/proc.c b/usr.bin/make/proc.c deleted file mode 100644 index 3a7e4f6..0000000 --- a/usr.bin/make/proc.c +++ /dev/null @@ -1,134 +0,0 @@ -/*- - * Copyright (C) 2005 Max Okumoto. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <unistd.h> -#include <errno.h> -#include <stdlib.h> -#include <string.h> -#include <fcntl.h> - -#include "proc.h" -#include "shell.h" -#include "util.h" - -/** - * Replace the current process. - */ -void -Proc_Exec(const ProcStuff *ps) -{ - - if (ps->in != STDIN_FILENO) { - /* - * Redirect the child's stdin to the input fd - * and reset it to the beginning (again). - */ - if (dup2(ps->in, STDIN_FILENO) == -1) - Punt("Cannot dup2: %s", strerror(errno)); - lseek(STDIN_FILENO, (off_t)0, SEEK_SET); - } - - if (ps->out != STDOUT_FILENO) { - /* - * Redirect the child's stdout to the output fd. - */ - if (dup2(ps->out, STDOUT_FILENO) == -1) - Punt("Cannot dup2: %s", strerror(errno)); - close(ps->out); - } - - if (ps->err != STDERR_FILENO) { - /* - * Redirect the child's stderr to the err fd. - */ - if (dup2(ps->err, STDERR_FILENO) == -1) - Punt("Cannot dup2: %s", strerror(errno)); - close(ps->err); - } - - if (ps->merge_errors) { - /* - * Send stderr to parent process too. - */ - if (dup2(STDOUT_FILENO, STDERR_FILENO) == -1) - Punt("Cannot dup2: %s", strerror(errno)); - } - - if (commandShell->unsetenv) { - /* for the benfit of ksh */ - unsetenv("ENV"); - } - - /* - * The file descriptors for stdin, stdout, or stderr might - * have been marked close-on-exec. Clear the flag on all - * of them. - */ - fcntl(STDIN_FILENO, F_SETFD, - fcntl(STDIN_FILENO, F_GETFD) & (~FD_CLOEXEC)); - fcntl(STDOUT_FILENO, F_SETFD, - fcntl(STDOUT_FILENO, F_GETFD) & (~FD_CLOEXEC)); - fcntl(STDERR_FILENO, F_SETFD, - fcntl(STDERR_FILENO, F_GETFD) & (~FD_CLOEXEC)); - - if (ps->pgroup) { -#ifdef USE_PGRP - /* - * Become a process group leader, so we can kill it and all - * its descendants in one fell swoop, by killing its process - * family, but not commit suicide. - */ -#if defined(SYSV) - setsid(); -#else - setpgid(0, getpid()); -#endif -#endif /* USE_PGRP */ - } - - if (ps->searchpath) { - execvp(ps->argv[0], ps->argv); - - write(STDERR_FILENO, ps->argv[0], strlen(ps->argv[0])); - write(STDERR_FILENO, ": ", 2); - write(STDERR_FILENO, strerror(errno), strlen(strerror(errno))); - write(STDERR_FILENO, "\n", 1); - } else { - execv(commandShell->path, ps->argv); - - write(STDERR_FILENO, - "Could not execute shell\n", - sizeof("Could not execute shell")); - } - - /* - * Since we are the child process, exit without flushing buffers. - */ - _exit(1); -} |
