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#ifndef _UTILS_CMD_
#define _UTILS_CMD_
/*
* Header file for Monitoring Plugins utils_cmd.c
*
*
*/
/** types **/
struct output
{
char *buf; /* output buffer */
size_t buflen; /* output buffer content length */
char **line; /* array of lines (points to buf) */
size_t *lens; /* string lengths */
size_t lines; /* lines of output */
};
typedef struct output output;
/** prototypes **/
int cmd_run (const char *, output *, output *, int);
int cmd_run_array (char *const *, output *, output *, int);
int cmd_file_read (char *, output *, int);
/* only multi-threaded plugins need to bother with this */
void cmd_init (void);
#define CMD_INIT cmd_init()
/* possible flags for cmd_run()'s fourth argument */
#define CMD_NO_ARRAYS 0x01 /* don't populate arrays at all */
#define CMD_NO_ASSOC 0x02 /* output.line won't point to buf */
/* This variable must be global, since there's no way the caller
* can forcibly slay a dead or ungainly running program otherwise.
* Multithreading apps and plugins can initialize it (via CMD_INIT)
* in an async safe manner PRIOR to calling cmd_run() or cmd_run_array()
* for the first time.
*
* The check for initialized values is atomic and can
* occur in any number of threads simultaneously. */
static pid_t *_cmd_pids = NULL;
RETSIGTYPE timeout_alarm_handler (int);
#endif /* _UTILS_CMD_ */
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