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Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/system.c')
-rw-r--r--sysdeps/unix/sysv/linux/i386/system.c73
1 files changed, 0 insertions, 73 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/system.c b/sysdeps/unix/sysv/linux/i386/system.c
deleted file mode 100644
index 1e3035d7f3..0000000000
--- a/sysdeps/unix/sysv/linux/i386/system.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C 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
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, write to the Free
- Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
- 02111-1307 USA. */
-
-#include <sched.h>
-#include <signal.h>
-#include <sysdep.h>
-#include <unistd.h>
-#include <sys/wait.h>
-#include <bits/libc-lock.h>
-#include <kernel-features.h>
-
-/* We have to and actually can handle cancelable system(). The big
- problem: we have to kill the child process if necessary. To do
- this a cleanup handler has to be registered and is has to be able
- to find the PID of the child. The main problem is to reliable have
- the PID when needed. It is not necessary for the parent thread to
- return. It might still be in the kernel when the cancellation
- request comes. Therefore we have to use the clone() calls ability
- to have the kernel write the PID into the user-level variable. */
-#ifdef __ASSUME_CLONE_THREAD_FLAGS
-# define FORK() \
- INLINE_SYSCALL (clone, 3, CLONE_PARENT_SETTID | SIGCHLD, 0, &pid)
-#endif
-
-static void cancel_handler (void *arg);
-
-#define CLEANUP_HANDLER \
- __libc_cleanup_region_start (1, cancel_handler, &pid)
-
-#define CLEANUP_RESET \
- __libc_cleanup_region_end (0)
-
-
-/* Linux has waitpid(), so override the generic unix version. */
-#include <sysdeps/posix/system.c>
-
-
-/* The cancellation handler. */
-static void
-cancel_handler (void *arg)
-{
- pid_t child = *(pid_t *) arg;
-
- INTERNAL_SYSCALL_DECL (err);
- INTERNAL_SYSCALL (kill, err, 2, child, SIGKILL);
-
- TEMP_FAILURE_RETRY (__waitpid (child, NULL, 0));
-
- DO_LOCK ();
-
- if (SUB_REF () == 0)
- {
- (void) __sigaction (SIGQUIT, &quit, (struct sigaction *) NULL);
- (void) __sigaction (SIGINT, &intr, (struct sigaction *) NULL);
- }
-
- DO_UNLOCK ();
-}