LXC: /home/tamuki/work64/lxc-git_20140614/build/src/lxc/lxclock.h Source File

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00001 
00023 #ifndef __LXC_LXCLOCK_H
00024 #define __LXC_LXCLOCK_H
00025 
00026 #include <fcntl.h>           /* For O_* constants */
00027 #include <sys/stat.h>        /* For mode constants */
00028 #include <sys/file.h>
00029 #include <semaphore.h>
00030 #include <string.h>
00031 #include <time.h>
00032 
00033 #define LXC_LOCK_ANON_SEM 1 
00034 #define LXC_LOCK_FLOCK    2 
00036 // private
00037 
00040 struct lxc_lock {
00041     short type; 
00042 
00043     union {
00044         sem_t *sem; 
00045 
00046         struct {
00047             int   fd; 
00048             char *fname; 
00049         } f;
00050     } u; 
00051 };
00052 
00080 extern struct lxc_lock *lxc_newlock(const char *lxcpath, const char *name);
00081 
00097 extern int lxclock(struct lxc_lock *lock, int timeout);
00098 
00107 extern int lxcunlock(struct lxc_lock *lock);
00108 
00114 extern void lxc_putlock(struct lxc_lock *lock);
00115 
00119 extern void process_lock(void);
00120 
00124 extern void process_unlock(void);
00125 
00126 struct lxc_container;
00127 
00135 extern int container_mem_lock(struct lxc_container *c);
00136 
00142 extern void container_mem_unlock(struct lxc_container *c);
00143 
00152 extern int container_disk_lock(struct lxc_container *c);
00153 
00157 extern void container_disk_unlock(struct lxc_container *c);
00158 
00159 #endif