24 #ifndef H_VSERVER_SYSCALL_H
25 #define H_VSERVER_SYSCALL_H
30 #include <sys/types.h>
32 #include <netinet/in.h>
36 # define VC_ATTR_UNUSED __attribute__((__unused__))
37 # define VC_ATTR_NORETURN __attribute__((__noreturn__))
38 # define VC_ATTR_CONST __attribute__((__const__))
39 # define VC_ATTR_DEPRECATED __attribute__((__deprecated__))
40 # if __GNUC__*0x10000 + __GNUC_MINOR__*0x100 + __GNUC_PATCHLEVEL__ >= 0x30300
41 # define VC_ATTR_NONNULL(ARGS) __attribute__((__nonnull__ ARGS))
42 # define VC_ATTR_ALWAYSINLINE __attribute__((__always_inline__))
44 # define VC_ATTR_NONNULL(ARGS)
45 # define VC_ATTR_ALWAYSINLINE
47 # if __GNUC__*0x10000 + __GNUC_MINOR__*0x100 + __GNUC_PATCHLEVEL__ >= 0x30303
48 # define VC_ATTR_PURE __attribute__((__pure__))
53 # define VC_ATTR_NONNULL(ARGS)
54 # define VC_ATTR_UNUSED
55 # define VC_ATTR_NORETURN
56 # define VC_ATTR_ALWAYSINLINE
57 # define VC_ATTR_DEPRECATED
59 # define VC_ATTR_CONST
64 #define VC_NOCTX ((xid_t)(-1))
65 #define VC_NOXID ((xid_t)(-1))
67 #define VC_DYNAMIC_XID ((xid_t)(-1))
69 #define VC_SAMECTX ((xid_t)(-2))
71 #define VC_NONID ((nid_t)(-1))
72 #define VC_DYNAMIC_NID ((nid_t)(-1))
74 #define VC_LIM_INFINITY (~0ULL)
75 #define VC_LIM_KEEP (~1ULL)
77 #define VC_CDLIM_UNSET (0U)
78 #define VC_CDLIM_INFINITY (~0U)
79 #define VC_CDLIM_KEEP (~1U)
81 #ifndef S_CTX_INFO_LOCK
82 # define S_CTX_INFO_LOCK 1
85 #ifndef S_CTX_INFO_SCHED
86 # define S_CTX_INFO_SCHED 2
89 #ifndef S_CTX_INFO_NPROC
90 # define S_CTX_INFO_NPROC 4
93 #ifndef S_CTX_INFO_PRIVATE
94 # define S_CTX_INFO_PRIVATE 8
97 #ifndef S_CTX_INFO_INIT
98 # define S_CTX_INFO_INIT 16
101 #ifndef S_CTX_INFO_HIDEINFO
102 # define S_CTX_INFO_HIDEINFO 32
105 #ifndef S_CTX_INFO_ULIMIT
106 # define S_CTX_INFO_ULIMIT 64
109 #ifndef S_CTX_INFO_NAMESPACE
110 # define S_CTX_INFO_NAMESPACE 128
113 #define VC_CAP_CHOWN 0
114 #define VC_CAP_DAC_OVERRIDE 1
115 #define VC_CAP_DAC_READ_SEARCH 2
116 #define VC_CAP_FOWNER 3
117 #define VC_CAP_FSETID 4
118 #define VC_CAP_KILL 5
119 #define VC_CAP_SETGID 6
120 #define VC_CAP_SETUID 7
121 #define VC_CAP_SETPCAP 8
122 #define VC_CAP_LINUX_IMMUTABLE 9
123 #define VC_CAP_NET_BIND_SERVICE 10
124 #define VC_CAP_NET_BROADCAST 11
125 #define VC_CAP_NET_ADMIN 12
126 #define VC_CAP_NET_RAW 13
127 #define VC_CAP_IPC_LOCK 14
128 #define VC_CAP_IPC_OWNER 15
129 #define VC_CAP_SYS_MODULE 16
130 #define VC_CAP_SYS_RAWIO 17
131 #define VC_CAP_SYS_CHROOT 18
132 #define VC_CAP_SYS_PTRACE 19
133 #define VC_CAP_SYS_PACCT 20
134 #define VC_CAP_SYS_ADMIN 21
135 #define VC_CAP_SYS_BOOT 22
136 #define VC_CAP_SYS_NICE 23
137 #define VC_CAP_SYS_RESOURCE 24
138 #define VC_CAP_SYS_TIME 25
139 #define VC_CAP_SYS_TTY_CONFIG 26
140 #define VC_CAP_MKNOD 27
141 #define VC_CAP_LEASE 28
142 #define VC_CAP_AUDIT_WRITE 29
143 #define VC_CAP_AUDIT_CONTROL 30
144 #define VC_CAP_SETFCAP 31
145 #define VC_CAP_MAC_OVERRIDE 32
146 #define VC_CAP_MAC_ADMIN 33
148 #define VC_IMMUTABLE_FILE_FL 0x0000010lu
149 #define VC_IMMUTABLE_LINK_FL 0x0008000lu
150 #define VC_IMMUTABLE_ALL (VC_IMMUTABLE_LINK_FL|VC_IMMUTABLE_FILE_FL)
152 #define VC_IATTR_XID 0x01000000u
154 #define VC_IATTR_ADMIN 0x00000001u
155 #define VC_IATTR_WATCH 0x00000002u
156 #define VC_IATTR_HIDE 0x00000004u
157 #define VC_IATTR_WRITE 0x00000008u
158 #define VC_IATTR_FLAGS 0x0000000fu
160 #define VC_IATTR_BARRIER 0x00010000u
161 #define VC_IATTR_IUNLINK 0x00020000u
162 #define VC_IATTR_IMMUTABLE 0x00040000u
163 #define VC_IATTR_COW 0x00080000u
167 #define VC_VXF_INFO_LOCK 0x00000001ull
168 #define VC_VXF_INFO_NPROC 0x00000004ull
169 #define VC_VXF_INFO_PRIVATE 0x00000008ull
170 #define VC_VXF_INFO_INIT 0x00000010ull
172 #define VC_VXF_INFO_HIDEINFO 0x00000020ull
173 #define VC_VXF_INFO_ULIMIT 0x00000040ull
174 #define VC_VXF_INFO_NAMESPACE 0x00000080ull
176 #define VC_VXF_SCHED_HARD 0x00000100ull
177 #define VC_VXF_SCHED_PRIO 0x00000200ull
178 #define VC_VXF_SCHED_PAUSE 0x00000400ull
180 #define VC_VXF_VIRT_MEM 0x00010000ull
181 #define VC_VXF_VIRT_UPTIME 0x00020000ull
182 #define VC_VXF_VIRT_CPU 0x00040000ull
183 #define VC_VXF_VIRT_LOAD 0x00080000ull
184 #define VC_VXF_VIRT_TIME 0x00100000ull
186 #define VC_VXF_HIDE_MOUNT 0x01000000ull
187 #define VC_VXF_HIDE_NETIF 0x02000000ull
188 #define VC_VXF_HIDE_VINFO 0x04000000ull
190 #define VC_VXF_STATE_SETUP (1ULL<<32)
191 #define VC_VXF_STATE_INIT (1ULL<<33)
192 #define VC_VXF_STATE_ADMIN (1ULL<<34)
194 #define VC_VXF_SC_HELPER (1ULL<<36)
195 #define VC_VXF_REBOOT_KILL (1ULL<<37)
196 #define VC_VXF_PERSISTENT (1ULL<<38)
198 #define VC_VXF_FORK_RSS (1ULL<<48)
199 #define VC_VXF_PROLIFIC (1ULL<<49)
201 #define VC_VXF_IGNEG_NICE (1ULL<<52)
202 #define VC_VXF_IGNEG_IONICE (1ULL<<53)
206 #define VC_VXC_SET_UTSNAME 0x00000001ull
207 #define VC_VXC_SET_RLIMIT 0x00000002ull
208 #define VC_VXC_FS_SECURITY 0x00000004ull
209 #define VC_VXC_FS_TRUSTED 0x00000008ull
210 #define VC_VXC_TIOCSTI 0x00000010ull
212 #define VC_VXC_RAW_ICMP 0x00000100ull
213 #define VC_VXC_SYSLOG 0x00001000ull
214 #define VC_VXC_OOM_ADJUST 0x00002000ull
215 #define VC_VXC_AUDIT_CONTROL 0x00004000ull
217 #define VC_VXC_SECURE_MOUNT 0x00010000ull
218 #define VC_VXC_SECURE_REMOUNT 0x00020000ull
219 #define VC_VXC_BINARY_MOUNT 0x00040000ull
220 #define VC_VXC_DEV_MOUNT 0x00080000ull
222 #define VC_VXC_QUOTA_CTL 0x00100000ull
223 #define VC_VXC_ADMIN_MAPPER 0x00200000ull
224 #define VC_VXC_ADMIN_CLOOP 0x00400000ull
226 #define VC_VXC_KTHREAD 0x01000000ull
227 #define VC_VXC_NAMESPACE 0x02000000ull
231 #define VC_VXSM_FILL_RATE 0x0001
232 #define VC_VXSM_INTERVAL 0x0002
233 #define VC_VXSM_FILL_RATE2 0x0004
234 #define VC_VXSM_INTERVAL2 0x0008
235 #define VC_VXSM_TOKENS 0x0010
236 #define VC_VXSM_TOKENS_MIN 0x0020
237 #define VC_VXSM_TOKENS_MAX 0x0040
238 #define VC_VXSM_PRIO_BIAS 0x0100
239 #define VC_VXSM_CPU_ID 0x1000
240 #define VC_VXSM_BUCKET_ID 0x2000
242 #define VC_VXSM_IDLE_TIME 0x0200
243 #define VC_VXSM_FORCE 0x0400
244 #define VC_VXSM_MSEC 0x4000
246 #define VC_VXSM_V3_MASK 0x0173
250 #define VC_NXF_INFO_LOCK 0x00000001ull
251 #define VC_NXF_INFO_PRIVATE 0x00000008ull
253 #define VC_NXF_SINGLE_IP 0x00000100ull
254 #define VC_NXF_LBACK_REMAP 0x00000200ull
255 #define VC_NXF_LBACK_ALLOW 0x00000400ull
257 #define VC_NXF_HIDE_NETIF 0x02000000ull
258 #define VC_NXF_HIDE_LBACK 0x04000000ull
260 #define VC_NXF_STATE_SETUP (1ULL<<32)
261 #define VC_NXF_STATE_ADMIN (1ULL<<34)
263 #define VC_NXF_SC_HELPER (1ULL<<36)
264 #define VC_NXF_PERSISTENT (1ULL<<38)
268 #define VC_NXC_TUN_CREATE 0x00000001ull
270 #define VC_NXC_RAW_ICMP 0x00000100ull
274 #define VC_VLIMIT_NSOCK 16
275 #define VC_VLIMIT_OPENFD 17
276 #define VC_VLIMIT_ANON 18
277 #define VC_VLIMIT_SHMEM 19
278 #define VC_VLIMIT_SEMARY 20
279 #define VC_VLIMIT_NSEMS 21
280 #define VC_VLIMIT_DENTRY 22
281 #define VC_VLIMIT_MAPPED 23
285 #define VC_VCI_NO_DYNAMIC (1 << 0)
286 #define VC_VCI_PROC_SECURE (1 << 4)
287 #define VC_VCI_HARDCPU (1 << 5)
288 #define VC_VCI_IDLELIMIT (1 << 6)
289 #define VC_VCI_IDLETIME (1 << 7)
290 #define VC_VCI_COWBL (1 << 8)
291 #define VC_VCI_FULLCOWBL (1 << 9)
292 #define VC_VCI_SPACES (1 << 10)
293 #define VC_VCI_NETV2 (1 << 11)
294 #define VC_VCI_MEMCG (1 << 12)
295 #define VC_VCI_DEBUG (1 << 16)
296 #define VC_VCI_HISTORY (1 << 20)
297 #define VC_VCI_TAGGED (1 << 24)
298 #define VC_VCI_PPTAG (1 << 28)
302 #define VC_DATTR_CREATE 0x00000001
303 #define VC_DATTR_OPEN 0x00000002
305 #define VC_DATTR_REMAP 0x00000010
309 #define VC_VXM_SET_INIT 0x00000001
310 #define VC_VXM_SET_REAPER 0x00000002
314 #define VC_NXA_TYPE_IPV4 0x0001
315 #define VC_NXA_TYPE_IPV6 0x0002
317 #define VC_NXA_TYPE_NONE 0x0000
318 #define VC_NXA_TYPE_ANY 0x00FF
320 #define VC_NXA_TYPE_ADDR 0x0010
321 #define VC_NXA_TYPE_MASK 0x0020
322 #define VC_NXA_TYPE_RANGE 0x0040
324 #define VC_NXA_MOD_BCAST 0x0100
325 #define VC_NXA_MOD_LBACK 0x0200
329 # define CLONE_NEWNS 0x00020000
332 # define CLONE_NEWUTS 0x04000000
335 # define CLONE_NEWIPC 0x08000000
337 #ifndef CLONE_NEWUSER
338 # define CLONE_NEWUSER 0x10000000
341 # define CLONE_NEWPID 0x20000000
344 # define CLONE_NEWNET 0x40000000
348 #define VC_BAD_PERSONALITY ((uint_least32_t)(-1))
361 typedef an_unsigned_integer_type
xid_t;
362 typedef an_unsigned_integer_type nid_t;
363 typedef an_unsigned_integer_type tag_t;
390 typedef uint64_t vc_vci_t;
487 uint_least64_t offset;
488 uint_least64_t uptime;
489 uint_least32_t nr_threads;
490 uint_least32_t nr_running;
491 uint_least32_t nr_uninterruptible;
492 uint_least32_t nr_onhold;
493 uint_least32_t nr_forks;
494 uint_least32_t load[3];
541 int vc_get_vx_info(
xid_t xid,
struct vc_vx_info *info) VC_ATTR_NONNULL((2));
599 struct vc_rlimit *lim) VC_ATTR_NONNULL((3));
609 struct vc_rlimit const *lim) VC_ATTR_NONNULL((3));
657 bool vc_parseLimit(
char const *str, vc_limit_t *res) VC_ATTR_NONNULL((1,2));
665 nid_t vc_get_task_nid(pid_t pid);
666 int vc_get_nx_info(nid_t nid,
struct vc_nx_info *) VC_ATTR_NONNULL((2));
687 #define vna_v4_ip s.ip.v4
688 #define vna_v4_ip2 s.ip2.v4
689 #define vna_v4_mask s.mask.v4
690 #define vna_v6_ip s.ip.v6
691 #define vna_v6_ip2 s.ip2.v6
692 #define vna_v6_mask s.mask.v6
696 uint_least64_t flagword;
700 nid_t vc_net_create(nid_t nid);
701 int vc_net_migrate(nid_t nid);
703 int vc_net_add(nid_t nid,
struct vc_net_addr const *info);
704 int vc_net_remove(nid_t nid,
struct vc_net_addr const *info);
710 uint_least64_t ncaps;
711 uint_least64_t cmask;
715 int vc_set_ncaps(nid_t,
struct vc_net_caps const *);
720 int vc_set_iattr(
char const *filename,
xid_t xid,
721 uint_least32_t flags, uint_least32_t mask) VC_ATTR_NONNULL((1));
723 int vc_fset_iattr(
int fd,
xid_t xid,
724 uint_least32_t flags, uint_least32_t mask);
753 uint_least32_t * flags,
754 uint_least32_t * mask) VC_ATTR_NONNULL((1));
756 int vc_fget_iattr(
int fd,
xid_t * xid,
757 uint_least32_t * flags,
758 uint_least32_t * mask) VC_ATTR_NONNULL((4));
777 typedef enum { vcVHI_CONTEXT, vcVHI_SYSNAME, vcVHI_NODENAME,
778 vcVHI_RELEASE, vcVHI_VERSION, vcVHI_MACHINE,
779 vcVHI_DOMAINNAME } vc_uts_type;
781 int vc_set_vhi_name(
xid_t xid, vc_uts_type type,
782 char const *val,
size_t len) VC_ATTR_NONNULL((3));
783 int vc_get_vhi_name(
xid_t xid, vc_uts_type type,
784 char *val,
size_t len) VC_ATTR_NONNULL((3));
787 int vc_enter_namespace(
xid_t xid, uint_least64_t mask, uint32_t index);
788 int vc_set_namespace(
xid_t xid, uint_least64_t mask, uint32_t index);
789 int vc_cleanup_namespace(
void);
790 uint_least64_t vc_get_space_mask(
void);
791 uint_least64_t vc_get_space_default(
void);
796 uint_least32_t space_used;
797 uint_least32_t space_total;
798 uint_least32_t inodes_used;
799 uint_least32_t inodes_total;
800 uint_least32_t reserved;
806 uint_least32_t flags) VC_ATTR_NONNULL((1));
809 uint_least32_t flags) VC_ATTR_NONNULL((1));
813 uint_least32_t flags,
817 uint_least32_t flags,
831 uint_least32_t set_mask;
832 int_least32_t fill_rate;
833 int_least32_t interval;
834 int_least32_t fill_rate2;
835 int_least32_t interval2;
836 int_least32_t tokens;
837 int_least32_t tokens_min;
838 int_least32_t tokens_max;
839 int_least32_t priority_bias;
840 int_least32_t cpu_id;
841 int_least32_t bucket_id;
848 int_least32_t cpu_id;
849 int_least32_t bucket_id;
850 uint_least64_t user_msec;
851 uint_least64_t sys_msec;
852 uint_least64_t hold_msec;
853 uint_least32_t token_usec;
854 int_least32_t vavavoom;
860 int vc_set_mapping(
xid_t xid,
const char *device,
const char *target, uint32_t flags);
861 int vc_unset_mapping(
xid_t xid,
const char *device,
const char *target, uint32_t flags);
863 int vc_get_badness(
xid_t xid, int64_t *badness);
864 int vc_set_badness(
xid_t xid, int64_t badness);
869 uint_least64_t umask;
894 uint_least64_t
vc_text2bcap(
char const *str,
size_t len);
910 char const *
vc_lobcap2text(uint_least64_t *val) VC_ATTR_NONNULL((1));
943 uint_least64_t vc_text2ccap(
char const *,
size_t len);
944 char const * vc_loccap2text(uint_least64_t *);
945 int vc_list2ccap(
char const *,
size_t len,
948 char const * vc_loumask2text(uint_least64_t *);
949 int vc_list2umask(
char const *,
size_t len,
952 int vc_list2cflag(
char const *,
size_t len,
955 uint_least64_t vc_text2umask(
char const *str,
size_t len);
956 uint_least64_t vc_text2cflag(
char const *,
size_t len);
957 char const * vc_locflag2text(uint_least64_t *);
959 uint_least32_t vc_list2cflag_compat(
char const *,
size_t len,
961 uint_least32_t vc_text2cflag_compat(
char const *,
size_t len);
962 char const * vc_hicflag2text_compat(uint_least32_t);
964 int vc_text2cap(
char const *);
965 char const * vc_cap2text(
unsigned int);
968 int vc_list2nflag(
char const *,
size_t len,
971 uint_least64_t vc_text2nflag(
char const *,
size_t len);
972 char const * vc_lonflag2text(uint_least64_t *);
974 uint_least64_t vc_text2ncap(
char const *,
size_t len);
975 char const * vc_loncap2text(uint_least64_t *);
976 int vc_list2ncap(
char const *,
size_t len,
980 uint_least64_t vc_get_insecurebcaps() VC_ATTR_CONST;
981 inline static uint_least64_t vc_get_insecureccaps() {
982 return ~(VC_VXC_SET_UTSNAME|VC_VXC_RAW_ICMP|VC_VXC_AUDIT_CONTROL);
985 inline static int vc_setfilecontext(
char const *filename,
xid_t xid) {
986 return vc_set_iattr(filename, xid, 0, VC_IATTR_XID);
990 uint_least32_t vc_text2personalityflag(
char const *str,
991 size_t len) VC_ATTR_NONNULL((1));
993 char const * vc_lopersonality2text(uint_least32_t *) VC_ATTR_NONNULL((1));
995 int vc_list2personalityflag(
char const *,
997 uint_least32_t *personality,
1000 uint_least32_t vc_str2personalitytype(
char const *,
1001 size_t len) VC_ATTR_NONNULL((1));
1004 typedef enum { vcFEATURE_VKILL, vcFEATURE_IATTR, vcFEATURE_RLIMIT,
1005 vcFEATURE_COMPAT, vcFEATURE_MIGRATE, vcFEATURE_NAMESPACE,
1006 vcFEATURE_SCHED, vcFEATURE_VINFO, vcFEATURE_VHI,
1007 vcFEATURE_VSHELPER0, vcFEATURE_VSHELPER, vcFEATURE_VWAIT,
1008 vcFEATURE_VNET, vcFEATURE_VSTAT, vcFEATURE_PPTAG,
1009 vcFEATURE_PIDSPACE, vcFEATURE_SPACES, vcFEATURE_PERSISTENT,
1010 vcFEATURE_PIVOT_ROOT, vcFEATURE_MEMCG, vcFEATURE_DYNAMIC,
1015 bool vc_isSupported(vcFeatureSet) VC_ATTR_CONST;
1016 bool vc_isSupportedString(
char const *);
1019 typedef enum { vcTYPE_INVALID, vcTYPE_MAIN, vcTYPE_WATCH,
1020 vcTYPE_STATIC, vcTYPE_DYNAMIC }
1023 vcXidType vc_getXIDType(
xid_t xid) VC_ATTR_CONST;
1031 #define VC_LIMIT_VSERVER_NAME_LEN 1024
1033 typedef enum { vcCFG_NONE, vcCFG_AUTO,
1036 vcCFG_RECENT_FULL } vcCfgStyle;
1042 nid_t
vc_nidopt2nid(
char const *,
bool honor_static,
char const **err_info);
1044 tag_t
vc_tagopt2tag(
char const *,
bool honor_static,
char const **err_info);
1046 vcCfgStyle vc_getVserverCfgStyle(
char const *
id);
1067 typedef enum { vcCTX_XID = 1,
1080 bool honor_static,
bool *is_running,
1088 char const *revdir);
1090 int vc_compareVserverById(
char const *lhs, vcCfgStyle lhs_style,
1091 char const *rhs, vcCfgStyle rhs_style);
1093 void vc_exitLikeProcess(
int pid,
int ret) VC_ATTR_NORETURN;
1095 #define vcSKEL_INTERFACES 1u
1096 #define vcSKEL_PKGMGMT 2u
1097 #define vcSKEL_FILESYSTEM 4u
1109 #undef VC_ATTR_ALWAYSINLINE
1110 #undef VC_ATTR_NORETURN
1111 #undef VC_ATTR_UNUSED
1112 #undef VC_ATTR_NONNULL
int vc_get_dlimit(char const *filename, xid_t xid, uint_least32_t flags, struct vc_ctx_dlimit *limits)
char const * vc_lobcap2text(uint_least64_t *val)
Converts the lowest bit of a bcapability or the entire value (when possible) to a textual representat...
uint_least64_t vc_text2bcap(char const *str, size_t len)
Converts a single string into bcapability.
uint_least64_t cmask
Mask of set and unset process context capabilities when used by set operations, or the modifiable cap...
int vc_ctx_kill(xid_t ctx, pid_t pid, int sig)
Sends a signal to a context/pidSpecial values for pid are:
xid_t vc_xidopt2xid(char const *, bool honor_static, char const **err_info)
int vc_reset_minmax(xid_t xid)
Resets the minimum and maximum observed values of all resources.
size_t len
Length of the erroneous string.
Capabilities of process-contexts.
int vc_get_iattr(char const *filename, xid_t *xid, uint_least32_t *flags, uint_least32_t *mask)
Returns information about attributes and assigned context of a file.This function returns the VC_IATT...
int vc_rlimit_stat(xid_t xid, int resource, struct vc_rlimit_stat *stat)
Returns the current stats of resource.
uint_least32_t hard
masks the resources supporting a hard limit
bool vc_parseLimit(char const *str, vc_limit_t *res)
Parses a string describing a limitThis function parses str and interprets special words like "inf" or...
int vc_set_dlimit(char const *filename, xid_t xid, uint_least32_t flags, struct vc_ctx_dlimit const *limits)
char * vc_getVserverCfgDir(char const *id, vcCfgStyle style)
uint_least32_t tasks
number of tasks
char const * ptr
Pointer to the first character of an erroneous string.
int vc_ctx_stat(xid_t xid, struct vc_ctx_stat *stat)
Get some statistics about a context.
Namespaces allowed to unshare.
int vc_virt_stat(xid_t xid, struct vc_virt_stat *stat)
Get more statistics about a context.
The limits of a resources.
uint_least32_t hits
number of hits on the limit
xid_t vc_ctx_create(xid_t xid, struct vc_ctx_flags *flags)
Creates a context without starting it.This functions initializes a new context. When already in a fre...
char * vc_getVserverByCtx(xid_t ctx, vcCfgStyle *style, char const *revdir)
uint_least64_t bmask
Mask of set and unset common system capabilities when used by set operations, or the modifiable capab...
int vc_tag_migrate(tag_t tag)
uint_least64_t flagword
Mask of set context flags.
Statistics about a context.
int vc_syscall(uint32_t cmd, xid_t xid, void *data)
The generic vserver syscallThis function executes the generic vserver syscall. It uses the correct sy...
uint_least64_t vc_limit_t
The type which is used for a single limit value.
Information about parsing errors.
int vc_set_rlimit(xid_t xid, int resource, struct vc_rlimit const *lim)
Sets the limits of resource.
bool vc_is_dynamic_xid(xid_t xid)
int vc_get_rlimit_mask(xid_t xid, struct vc_rlimit_mask *lim)
Returns the limits supported by the kernel.
vc_limit_t minimum
minimum value observed
Masks describing the supported limits.
int vc_set_ipv4root(uint32_t bcast, size_t nb, struct vc_ip_mask_pair const *ips)
Sets the ipv4root information.
uint_least32_t usecnt
number of uses
an_unsigned_integer_type xid_t
vc_limit_t soft
the softlimit of a resource
int vc_wait_exit(xid_t xid)
Waits for the end of a context.
int vc_ctx_migrate(xid_t xid, uint_least64_t flags)
Moves the current process into the specified context.
char * vc_getVserverVdir(char const *id, vcCfgStyle style, bool physical)
int vc_createSkeleton(char const *id, vcCfgStyle style, int flags)
int vc_get_rlimit(xid_t xid, int resource, struct vc_rlimit *lim)
Returns the limits of resource.
uint_least32_t min
masks the resources supporting a minimum limit
int vc_get_version()
Returns the version of the current kernel API.
Contains further statistics about a context.
xid_t vc_getVserverCtx(char const *id, vcCfgStyle style, bool honor_static, bool *is_running, vcCtxType type)
vc_vci_t vc_get_vci()
Returns the kernel configuration bits.
char * vc_getVserverName(char const *id, vcCfgStyle style)
nid_t vc_nidopt2nid(char const *, bool honor_static, char const **err_info)
vc_limit_t min
the guaranted minimum of a resources
char * vc_getVserverAppDir(char const *id, vcCfgStyle style, char const *app)
uint_least64_t ccaps
Mask of set process context capabilities.
xid_t vc_getfilecontext(char const *filename)
Returns the context of filename This function calls vc_get_iattr() with appropriate arguments to dete...
size_t vc_get_nb_ipv4root() VC_ATTR_CONST
Returns the value of NB_IPV4ROOT.This function returns the value of NB_IPV4ROOT which was used when t...
Statistics for a resource limit.
Flags of process-contexts.
int vc_add_dlimit(char const *filename, xid_t xid, uint_least32_t flags)
vc_limit_t maximum
maximum value observed
xid_t vc_new_s_context(xid_t ctx, unsigned int remove_cap, unsigned int flags)
Moves current process into a contextPuts current process into context ctx, removes the capabilities g...
xid_t vc_get_task_xid(pid_t pid)
Returns the context of the given process.
tag_t vc_tagopt2tag(char const *, bool honor_static, char const **err_info)
int vc_tag_create(tag_t tag)
tag_t vc_get_task_tag(pid_t pid)
uint_least64_t mask
Mask of set and unset context flags when used by set operations, or modifiable flags when used by get...
int vc_list2bcap(char const *str, size_t len, struct vc_err_listparser *err, struct vc_ctx_caps *cap)
Converts a string into a bcapability-bitmaskSyntax of str: .
uint_least32_t soft
masks the resources supporting a soft limit
vc_limit_t value
current value
uint_least64_t bcaps
Mask of set common system capabilities.
int vc_rem_dlimit(char const *filename, xid_t xid, uint_least32_t flags)
vc_limit_t hard
the absolute hardlimit of a resource