Section 3: library functions
dmlite_aclentry – Handles ACL entries. Synopsis#include <utils.h> Data Fieldsuint8_t type uint8_t perm uint32_t id Detailed DescriptionHandles ACL entries. Field Documentationuint32_t iduint8_t permuint8_t typeAuthorGenerated automatically by Doxygen for dmlite from the source code.
dmlite.h – C wrapper for DMLite. Synopsis#include ‘dmlite/common/config.h’ #include ‘dmlite/common/errno.h’ #include ‘any.h’ #include <stdlib.h> #include <sys/stat.h> #include <utime.h> Data Structuresstruct dmlite_credentials Security credentials. struct dmlite_security_ent Used to handle user and group information. struct dmlite_security_context Security context. Typedefstypedef struct dmlite_manager dmlite_manager Handle for the plugin manager. typedef struct dmlite_context dmlite_context Handle for a initialized context. typedef…
dlsym, dlvsym – obtain address of a symbol in a shared object or executable Synopsis#include <dlfcn.h> void *dlsym(void *handle, const char *symbol); #define _GNU_SOURCE #include <dlfcn.h> void *dlvsym(void *handle, char *symbol, char *version); Link with -ldl. DescriptionThe function dlsym() takes a "handle" of a dynamic loaded shared object returned by dlopen(3) along with a null-terminated…
dlsym, dlvsym – obtain address of a symbol in a shared object or executable Synopsis#include <dlfcn.h> void *dlsym(void *handle, const char *symbol); #define _GNU_SOURCE #include <dlfcn.h> void *dlvsym(void *handle, char *symbol, char *version); Link with -ldl. DescriptionThe function dlsym() takes a "handle" of a dynamic loaded shared object returned by dlopen(3) along with a null-terminated…
dlclose, dlopen, dlmopen – open and close a shared object Synopsis#include <dlfcn.h> void *dlopen(const char *filename, int flags); int dlclose(void *handle); #define _GNU_SOURCE #include <dlfcn.h> void *dlmopen(Lmid_t lmid, const char *filename, int flags); Link with -ldl. Descriptiondlopen()The function dlopen() loads the dynamic shared object (shared library) file named by the null-terminated string filename and returns…
dlclose, dlopen, dlmopen – open and close a shared object Synopsis#include <dlfcn.h> void *dlopen(const char *filename, int flags); int dlclose(void *handle); #define _GNU_SOURCE #include <dlfcn.h> void *dlmopen(Lmid_t lmid, const char *filename, int flags); Link with -ldl. Descriptiondlopen()The function dlopen() loads the dynamic shared object (shared library) file named by the null-terminated string filename and returns…
dlm_unlock – unlock a DLM lock Synopsis#include <libdlm.h> int dlm_unlock(uint32_t lkid, uint32_t flags, struct dlm_lksb *lksb, void *astarg); int dlm_unlock_wait(uint32_t lkid, uint32_t flags, struct dlm_lksb *lksb);Descriptiondlm_unlock() unlocks a lock previously acquired by dlm_lock and its variants. Unless dlm_unlock_wait() is used unlocks are also asynchronous. The AST routine is called when the resource is successfully unlocked…
dlm_unlock – unlock a DLM lock Synopsis#include <libdlm.h> int dlm_unlock(uint32_t lkid, uint32_t flags, struct dlm_lksb *lksb, void *astarg); int dlm_unlock_wait(uint32_t lkid, uint32_t flags, struct dlm_lksb *lksb);Descriptiondlm_unlock() unlocks a lock previously acquired by dlm_lock and its variants. Unless dlm_unlock_wait() is used unlocks are also asynchronous. The AST routine is called when the resource is successfully unlocked…
dlm_create_lockspace, dlm_open_lockspace, dlm_close_lockspace, dlm_release_lockspace – manipulate DLM lockspaces Synopsis #include <libdlm.h> dlm_lshandle_t dlm_create_lockspace(const char *name, mode_t mode); dlm_lshandle_t dlm_new_lockspace(const char *name, mode_t mode, uint32_t flags); dlm_lshandle_t dlm_open_lockspace(const char *name); int dlm_close_lockspace(dlm_lshandle_t ls); int dlm_release_lockspace(const char *name, dlm_lshandle_t ls, int force);DescriptionThe DLM allows locks to be partitioned into "lockspaces", and these can be manipulated by userspace…
libdlm – dlm_get_fd, dlm_dispatch, dlm_pthread_init, dlm_ls_pthread_init, dlm_cleanup Synopsis#include <libdlm.h> int dlm_pthread_init(); int dlm_ls_pthread_init(dlm_lshandle_t lockspace); int dlm_pthread_cleanup(); int dlm_get_fd(void); int dlm_dispatch(int fd); link with -ldlmDescriptionlibdlm provides the programmatic userspace interface to the Distributed Lock manager. It provides all the calls you need to manipulate locks & lockspaces libdlm can be used in pthread or non-pthread applications….
dlm_create_lockspace, dlm_open_lockspace, dlm_close_lockspace, dlm_release_lockspace – manipulate DLM lockspaces Synopsis #include <libdlm.h> dlm_lshandle_t dlm_create_lockspace(const char *name, mode_t mode); dlm_lshandle_t dlm_new_lockspace(const char *name, mode_t mode, uint32_t flags); dlm_lshandle_t dlm_open_lockspace(const char *name); int dlm_close_lockspace(dlm_lshandle_t ls); int dlm_release_lockspace(const char *name, dlm_lshandle_t ls, int force);DescriptionThe DLM allows locks to be partitioned into "lockspaces", and these can be manipulated by userspace…
dlm_create_lockspace, dlm_open_lockspace, dlm_close_lockspace, dlm_release_lockspace – manipulate DLM lockspaces Synopsis #include <libdlm.h> dlm_lshandle_t dlm_create_lockspace(const char *name, mode_t mode); dlm_lshandle_t dlm_new_lockspace(const char *name, mode_t mode, uint32_t flags); dlm_lshandle_t dlm_open_lockspace(const char *name); int dlm_close_lockspace(dlm_lshandle_t ls); int dlm_release_lockspace(const char *name, dlm_lshandle_t ls, int force);DescriptionThe DLM allows locks to be partitioned into "lockspaces", and these can be manipulated by userspace…
dlm_unlock – unlock a DLM lock Synopsis#include <libdlm.h> int dlm_unlock(uint32_t lkid, uint32_t flags, struct dlm_lksb *lksb, void *astarg); int dlm_unlock_wait(uint32_t lkid, uint32_t flags, struct dlm_lksb *lksb);Descriptiondlm_unlock() unlocks a lock previously acquired by dlm_lock and its variants. Unless dlm_unlock_wait() is used unlocks are also asynchronous. The AST routine is called when the resource is successfully unlocked…
dlm_unlock – unlock a DLM lock Synopsis#include <libdlm.h> int dlm_unlock(uint32_t lkid, uint32_t flags, struct dlm_lksb *lksb, void *astarg); int dlm_unlock_wait(uint32_t lkid, uint32_t flags, struct dlm_lksb *lksb);Descriptiondlm_unlock() unlocks a lock previously acquired by dlm_lock and its variants. Unless dlm_unlock_wait() is used unlocks are also asynchronous. The AST routine is called when the resource is successfully unlocked…
libdlm – dlm_get_fd, dlm_dispatch, dlm_pthread_init, dlm_ls_pthread_init, dlm_cleanup Synopsis#include <libdlm.h> int dlm_pthread_init(); int dlm_ls_pthread_init(dlm_lshandle_t lockspace); int dlm_pthread_cleanup(); int dlm_get_fd(void); int dlm_dispatch(int fd); link with -ldlmDescriptionlibdlm provides the programmatic userspace interface to the Distributed Lock manager. It provides all the calls you need to manipulate locks & lockspaces libdlm can be used in pthread or non-pthread applications….
dlm_lock – acquire or convert a DLM lock Synopsis #include <libdlm.h> int dlm_lock(uint32_t mode, struct dlm_lksb *lksb, uint32_t flags, const void *name, unsigned int namelen, uint32_t parent, /* unused */ void (*astaddr) (void *astarg), void *astarg, void (*bastaddr) (void *astarg), void *range); /* unused */ int dlm_lock_wait(uint32_t mode, struct dlm_lksb *lksb, uint32_t flags, const void…
dlm_lock – acquire or convert a DLM lock Synopsis #include <libdlm.h> int dlm_lock(uint32_t mode, struct dlm_lksb *lksb, uint32_t flags, const void *name, unsigned int namelen, uint32_t parent, /* unused */ void (*astaddr) (void *astarg), void *astarg, void (*bastaddr) (void *astarg), void *range); /* unused */ int dlm_lock_wait(uint32_t mode, struct dlm_lksb *lksb, uint32_t flags, const void…
dlm_lock – acquire or convert a DLM lock Synopsis #include <libdlm.h> int dlm_lock(uint32_t mode, struct dlm_lksb *lksb, uint32_t flags, const void *name, unsigned int namelen, uint32_t parent, /* unused */ void (*astaddr) (void *astarg), void *astarg, void (*bastaddr) (void *astarg), void *range); /* unused */ int dlm_lock_wait(uint32_t mode, struct dlm_lksb *lksb, uint32_t flags, const void…
dlm_lock – acquire or convert a DLM lock Synopsis #include <libdlm.h> int dlm_lock(uint32_t mode, struct dlm_lksb *lksb, uint32_t flags, const void *name, unsigned int namelen, uint32_t parent, /* unused */ void (*astaddr) (void *astarg), void *astarg, void (*bastaddr) (void *astarg), void *range); /* unused */ int dlm_lock_wait(uint32_t mode, struct dlm_lksb *lksb, uint32_t flags, const void…
dlm_lock – acquire or convert a DLM lock Synopsis #include <libdlm.h> int dlm_lock(uint32_t mode, struct dlm_lksb *lksb, uint32_t flags, const void *name, unsigned int namelen, uint32_t parent, /* unused */ void (*astaddr) (void *astarg), void *astarg, void (*bastaddr) (void *astarg), void *range); /* unused */ int dlm_lock_wait(uint32_t mode, struct dlm_lksb *lksb, uint32_t flags, const void…