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#ifndef IMV_IPC_H
#define IMV_IPC_H
#include <unistd.h>
/* imv_ipc provides a listener on a unix socket that listens for commands.
* When a command is received, a callback function is called.
*/
struct imv_ipc;
/* Creates an imv_ipc instance */
struct imv_ipc *imv_ipc_create(void);
/* Cleans up an imv_ipc instance */
void imv_ipc_free(struct imv_ipc *ipc);
typedef void (*imv_ipc_callback)(const char *command, void *data);
/* When a command is received, imv_ipc will call the callback function passed
* in. Only one callback function at a time can be connected. The data argument
* is passed back to the callback to allow for context passing
*/
void imv_ipc_set_command_callback(struct imv_ipc *ipc,
imv_ipc_callback callback, void *data);
/* Given a pid, emits the path of the unix socket that would connect to an imv
* instance with that pid
*/
void imv_ipc_path(char *buf, size_t len, int pid);
#endif
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