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