diff options
Diffstat (limited to 'REORG.TODO/sysdeps/unix/sysv/linux/ia64/system.c')
| -rw-r--r-- | REORG.TODO/sysdeps/unix/sysv/linux/ia64/system.c | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/unix/sysv/linux/ia64/system.c b/REORG.TODO/sysdeps/unix/sysv/linux/ia64/system.c new file mode 100644 index 0000000000..7fd5c18864 --- /dev/null +++ b/REORG.TODO/sysdeps/unix/sysv/linux/ia64/system.c @@ -0,0 +1,30 @@ +/* Copyright (C) 2002-2017 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, see + <http://www.gnu.org/licenses/>. */ + +/* 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. */ +#define FORK() \ + INLINE_SYSCALL (clone2, 6, CLONE_PARENT_SETTID | SIGCHLD, NULL, 0, \ + &pid, NULL, NULL) + +#include <sysdeps/unix/sysv/linux/system.c> |