| #ifndef foodexechfoo |
| #define foodexechfoo |
| |
| /*** |
| This file is part of libdaemon. |
| |
| Copyright 2003-2008 Lennart Poettering |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), to deal |
| in the Software without restriction, including without limitation the rights |
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| copies of the Software, and to permit persons to whom the Software is |
| furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included in |
| all copies or substantial portions of the Software. |
| |
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| SOFTWARE. |
| |
| ***/ |
| |
| #include <stdarg.h> |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /** \file |
| * |
| * Contains a robust API for running sub processes with STDOUT and |
| * STDERR redirected to syslog |
| */ |
| |
| /** This variable is defined to 1 iff daemon_exec() is supported. |
| * @since 0.4 |
| * @see daemon_exec() */ |
| #define DAEMON_EXEC_AVAILABLE 1 |
| |
| #if defined(__GNUC__) && ! defined(DAEMON_GCC_SENTINEL) |
| #define DAEMON_GCC_SENTINEL __attribute__ ((sentinel)) |
| #else |
| /** A macro for making use of GCCs printf compilation warnings */ |
| #define DAEMON_GCC_SENTINEL |
| #endif |
| |
| /** Run the specified executable with the specified arguments in the |
| * specified directory and return the return value of the program in |
| * the specified pointer. The calling process is blocked until the |
| * child finishes and all child output (either STDOUT or STDIN) has |
| * been written to syslog. Running this function requires that |
| * daemon_signal() has been called with SIGCHLD as argument. |
| * |
| * @param dir Working directory for the process. |
| * @param ret A pointer to an integer to write the return value of the program to. |
| * @param prog The path to the executable |
| * @param ... The arguments to be passed to the program, followed by a (char *) NULL |
| * @return Nonzero on failure, zero on success |
| * @since 0.4 |
| * @see DAEMON_EXEC_AVAILABLE |
| */ |
| int daemon_exec(const char *dir, int *ret, const char *prog, ...) DAEMON_GCC_SENTINEL; |
| |
| /** This variable is defined to 1 iff daemon_execv() is supported. |
| * @since 0.11 |
| * @see daemon_execv() */ |
| #define DAEMON_EXECV_AVAILABLE 1 |
| |
| /** The same as daemon_exec, but without variadic arguments |
| * @since 0.11 |
| * @see DAEMON_EXECV_AVAILABLE */ |
| int daemon_execv(const char *dir, int *ret, const char *prog, va_list ap); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |