diff options
Diffstat (limited to 'lib/libc_r/uthread/uthread_execve.c')
| -rw-r--r-- | lib/libc_r/uthread/uthread_execve.c | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/lib/libc_r/uthread/uthread_execve.c b/lib/libc_r/uthread/uthread_execve.c deleted file mode 100644 index 50db4fe..0000000 --- a/lib/libc_r/uthread/uthread_execve.c +++ /dev/null @@ -1,112 +0,0 @@ -/* - * Copyright (c) 1995-1998 John Birrell <jb@cimlogic.com.au> - * 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. - * 3. Neither the name of the author nor the names of any co-contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY JOHN BIRRELL 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 THE 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. - * - * $FreeBSD$ - */ -#include <errno.h> -#include <fcntl.h> -#include <unistd.h> -#include <pthread.h> -#include "pthread_private.h" - -__weak_reference(_execve, execve); - -int -_execve(const char *name, char *const * argv, char *const * envp) -{ - struct pthread *curthread = _get_curthread(); - int flags; - int i; - int ret; - struct sigaction act; - struct sigaction oact; - struct itimerval itimer; - - /* Disable the interval timer: */ - itimer.it_interval.tv_sec = 0; - itimer.it_interval.tv_usec = 0; - itimer.it_value.tv_sec = 0; - itimer.it_value.tv_usec = 0; - setitimer(_ITIMER_SCHED_TIMER, &itimer, NULL); - - /* Close the pthread kernel pipe: */ - __sys_close(_thread_kern_pipe[0]); - __sys_close(_thread_kern_pipe[1]); - - /* - * Enter a loop to set all file descriptors to blocking - * if they were not created as non-blocking: - */ - for (i = 0; i < _thread_dtablesize; i++) { - /* Check if this file descriptor is in use: */ - if (_thread_fd_table[i] != NULL && - (_thread_fd_getflags(i) & O_NONBLOCK) == 0) { - /* Skip if the close-on-exec flag is set */ - flags = __sys_fcntl(i, F_GETFD, NULL); - if ((flags & FD_CLOEXEC) != 0) - continue; /* don't bother, no point */ - /* Get the current flags: */ - flags = __sys_fcntl(i, F_GETFL, NULL); - /* Clear the nonblocking file descriptor flag: */ - __sys_fcntl(i, F_SETFL, flags & ~O_NONBLOCK); - } - } - - /* Enter a loop to adopt the signal actions for the running thread: */ - for (i = 1; i < NSIG; i++) { - /* Check for signals which cannot be caught: */ - if (i == SIGKILL || i == SIGSTOP) { - /* Don't do anything with these signals. */ - } else { - /* Check if ignoring this signal: */ - if (_thread_sigact[i - 1].sa_handler == SIG_IGN) { - /* Continue to ignore this signal: */ - act.sa_handler = SIG_IGN; - } else { - /* Use the default handler for this signal: */ - act.sa_handler = SIG_DFL; - } - - /* Copy the mask and flags for this signal: */ - act.sa_mask = _thread_sigact[i - 1].sa_mask; - act.sa_flags = _thread_sigact[i - 1].sa_flags; - - /* Change the signal action for the process: */ - __sys_sigaction(i, &act, &oact); - } - } - - /* Set the signal mask: */ - __sys_sigprocmask(SIG_SETMASK, &curthread->sigmask, NULL); - - /* Execute the process: */ - ret = __sys_execve(name, argv, envp); - - /* Return the completion status: */ - return (ret); -} |
