diff options
Diffstat (limited to 'common/exechelp.h')
| -rw-r--r-- | common/exechelp.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/common/exechelp.h b/common/exechelp.h index 0ad956f7a..0efee294c 100644 --- a/common/exechelp.h +++ b/common/exechelp.h @@ -1,5 +1,5 @@ /* exechelp.h - Definitions for the fork and exec helpers - * Copyright (C) 2004 Free Software Foundation, Inc. + * Copyright (C) 2004, 2009 Free Software Foundation, Inc. * * This file is part of GnuPG. * @@ -20,6 +20,25 @@ #ifndef GNUPG_COMMON_EXECHELP_H #define GNUPG_COMMON_EXECHELP_H +/* Return the maximum number of currently allowed file descriptors. + Only useful on POSIX systems. */ +int get_max_fds (void); + + +/* Close all file descriptors starting with descriptor FIRST. If + EXCEPT is not NULL, it is expected to be a list of file descriptors + which are not to close. This list shall be sorted in ascending + order with its end marked by -1. */ +void close_all_fds (int first, int *except); + + +/* Returns an array with all currently open file descriptors. The end + of the array is marked by -1. The caller needs to release this + array using the *standard free* and not with xfree. This allow the + use of this fucntion right at startup even before libgcrypt has + been initialized. Returns NULL on error and sets ERRNO accordingly. */ +int *get_all_open_fds (void); + /* Portable function to create a pipe. Under Windows the write end is inheritable. */ |