radlock.c File Reference

Utility to examine semaphores used to provide exclusive running rights for a process. More...

#include <freeradius-devel/autoconf.h>
#include <freeradius-devel/util/perm.h>
#include <freeradius-devel/util/sem.h>
#include <freeradius-devel/util/value.h>
#include <freeradius-devel/util/syserror.h>
#include <freeradius-devel/util/strerror.h>
#include <ctype.h>
#include <stdarg.h>
#include <stdbool.h>
#include <sys/ipc.h>
#include <sys/sem.h>
#include <assert.h>

Include dependency graph for radlock.c:

Go to the source code of this file.

Macros
#define	EXIT_WITH_FAILURE   exit(EXIT_FAILURE)
#define	EXIT_WITH_SUCCESS   exit(EXIT_SUCCESS)
#define	INFO(fmt, ...)   fprintf(stdout, fmt "\n", ## __VA_ARGS__)

Enumerations
enum	fr_radlock_action_t {   RADLOCK_INVALID = 0 ,   RADLOCK_LOCK ,   RADLOCK_TRYLOCK ,   RADLOCK_UNLOCK ,   RADLOCK_REMOVE ,   RADLOCK_INFO ,   RADLOCK_PERM }

Functions
int	main (int argc, char *argv[])
static NEVER_RETURNS void	usage (int ret)

Variables
static fr_table_num_sorted_t const	radlock_action_table []
static size_t	radlock_action_table_len = NUM_ELEMENTS(radlock_action_table)

Detailed Description

Utility to examine semaphores used to provide exclusive running rights for a process.

Id

d0fd99452281549eebb75b8d378f961a6ebcebd6

Copyright

2021 Arran Cudbard-Bell (a.cud.nosp@m.bard.nosp@m.b@fre.nosp@m.erad.nosp@m.ius.o.nosp@m.rg)

Definition in file radlock.c.

Macro Definition Documentation

EXIT_WITH_FAILURE

#define EXIT_WITH_FAILURE   exit(EXIT_FAILURE)

Definition at line 81 of file radlock.c.

EXIT_WITH_SUCCESS

#define EXIT_WITH_SUCCESS   exit(EXIT_SUCCESS)

Definition at line 82 of file radlock.c.

INFO

#define INFO	(		fmt,
			...
	)		fprintf(stdout, fmt "\n", ## __VA_ARGS__)

Definition at line 46 of file radlock.c.

Enumeration Type Documentation

fr_radlock_action_t

enum fr_radlock_action_t

Enumerator
RADLOCK_INVALID
RADLOCK_LOCK	Acquire the semaphore if it's at 0.
RADLOCK_TRYLOCK	Try and lock the semaphore and return if we can't.
RADLOCK_UNLOCK	Unlock the semaphore.
RADLOCK_REMOVE	Remove the semaphore.
RADLOCK_INFO	Information about the semaphore.
RADLOCK_PERM	Modify permissions for a given semaphore.

Definition at line 49 of file radlock.c.

Function Documentation

main()

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 88 of file radlock.c.

usage()

static NEVER_RETURNS void usage ( int  ret )

static

Definition at line 69 of file radlock.c.

Variable Documentation

radlock_action_table

fr_table_num_sorted_t const radlock_action_table[]

static

Initial value:

= {
        { L("info"),            RADLOCK_INFO    },
        { L("lock"),            RADLOCK_LOCK    },
        { L("perm"),            RADLOCK_PERM    },
        { L("remove"),          RADLOCK_REMOVE  },
        { L("trylock"),         RADLOCK_TRYLOCK },
        { L("unlock"),          RADLOCK_UNLOCK  }
}

Definition at line 59 of file radlock.c.

radlock_action_table_len

size_t radlock_action_table_len = NUM_ELEMENTS(radlock_action_table)

static

Definition at line 67 of file radlock.c.