linux_emul_base/fns.h

   1 /* error */
   2 int mkerror(void);
   3 #pragma varargck type "E" int
   4 int Efmt(Fmt *e);
   5 int sys_nosys(void);
   6
   7 /* linuxcall */
   8 int linuxcall(void);
   9
  10 /* trap */
  11 void inittrap(void);
  12 void retuser(void);
  13
  14 /* bits */
  15 void incref(Ref *);
  16 int decref(Ref *);
  17 void jumpstart(ulong addr, ulong *stack);
  18 void jumpureg(void *ureg);
  19 void linux_sigreturn(void);
  20 void linux_rtsigreturn(void);
  21
  22 /* trace */
  23 void inittrace(void);
  24 void exittrace(Uproc *proc);
  25 void clonetrace(Uproc *new, int copy);
  26 void tprint(char *fmt, ...);
  27 #pragma varargck argpos tprint 1
  28 #define trace if(debug)tprint
  29
  30 /* proc */
  31 void initproc(void);
  32 void exitproc(Uproc *proc, int code, int group);
  33 void stopproc(Uproc *proc, int code, int group);
  34 void contproc(Uproc *proc, int code, int group);
  35 int procfork(void (*fproc)(void *aux), void *aux, int flags);
  36 Uproc* getproc(int tid);
  37 Uproc* getprocn(int n);
  38 int threadcount(int pid);
  39 void zapthreads(void);
  40 void setprocname(char *s);
  41 int notifyme(int on);
  42 void wakeme(int on);
  43 int sleepproc(QLock *l, int flags);
  44 Uwait* addwaitq(Uwaitq *q);
  45 void delwaitq(Uwait *w);
  46 int sleepq(Uwaitq *q, QLock *l, int flags);
  47 int wakeq(Uwaitq *q, int nwake);
  48 int requeue(Uwaitq *q1, Uwaitq *q2, int nrequeue);
  49 int killproc(Uproc *p, Usiginfo *info, int group);
  50 void setalarm(vlong t);
  51
  52 int sys_waitpid(int pid, int *pexit, int opt);
  53 int sys_wait4(int pid, int *pexit, int opt, void *prusage);
  54 int sys_exit(int code);
  55 int sys_exit_group(int code);
  56 int sys_linux_clone(int flags, void *newstack, int *parenttidptr, int *tlsdescr, void *childtidptr);
  57 int sys_fork(void);
  58 int sys_vfork(void);
  59 int sys_getpid(void);
  60 int sys_getppid(void);
  61 int sys_gettid(void);
  62 int sys_setpgid(int pid, int pgid);
  63 int sys_getpgid(int pid);
  64 int sys_setpgrp(int pid);
  65 int sys_getpgrp(void);
  66 int sys_getuid(void);
  67 int sys_getgid(void);
  68 int sys_setgid(int gid);
  69 int sys_setuid(int uid);
  70 int sys_setresuid(int ruid, int euid, int suid);
  71 int sys_getresuid(int *ruid, int *euid, int *suid);
  72 int sys_setresgid(int rgid, int egid, int sgid);
  73 int sys_getresgid(int *rgid, int *egid, int *sgid);
  74 int sys_setreuid(int ruid, int euid);
  75 int sys_setregid(int rgid, int egid);
  76 int sys_uname(void *);
  77 int sys_personality(ulong p);
  78 int sys_setsid(void);
  79 int sys_getsid(int pid);
  80 int sys_getgroups(int size, int *groups);
  81 int sys_setgroups(int size, int *groups);
  82
  83 int sys_kill(int pid, int sig);
  84 int sys_tkill(int tid, int sig);
  85 int sys_tgkill(int pid, int tid, int sig);
  86 int sys_rt_sigqueueinfo(int pid, int sig, void *info);
  87
  88 int sys_set_tid_address(int *tidptr);
  89
  90 int sys_sched_setscheduler(int pid, int policy, void *param);
  91 int sys_sched_getscheduler(int pid);
  92 int sys_sched_setparam(int pid, void *param);
  93 int sys_sched_getparam(int pid, void *param);
  94 int sys_sched_yield(void);
  95
  96 int sys_getrlimit(long resource, void *rlim);
  97 int sys_setrlimit(long resource, void *rlim);
  98
  99 /* signal */
 100 void initsignal(void);
 101 void exitsignal(void);
 102 void clonesignal(Uproc *new, int copyhand, int newproc);
 103 void settty(Ufile *tty);
 104 Ufile* gettty(void);
 105 #pragma varargck type "S" int
 106 int Sfmt(Fmt *f);
 107
 108 int wantssignal(Uproc *proc, int sig);
 109 int ignoressignal(Uproc *proc, int sig);
 110 int signalspending(Uproc *proc);
 111
 112 void handlesignals(void);
 113 int sendsignal(Uproc *proc, Usiginfo *info, int group);
 114
 115 void siginfo2linux(Usiginfo *, void *);
 116 void linux2siginfo(void *, Usiginfo *);
 117
 118 int sys_sigaltstack(void *stk, void *ostk);
 119 int sys_rt_sigaction(int sig, void *pact, void *poact, int setsize);
 120 int sys_rt_sigpending(uchar *set, int setsize);
 121 int sys_rt_sigprocmask(int how, uchar *act, uchar *oact, int setsize);
 122 int sys_rt_sigsuspend(uchar *set, int setsize);
 123 int sys_sigreturn(void);
 124 int sys_rt_sigreturn(void);
 125
 126 int sys_setitimer(int which, void *value, void *ovalue);
 127 int sys_getitimer(int which, void *value);
 128 int sys_alarm(long seconds);
 129
 130 /* file */
 131 void initfile(void);
 132 void exitfile(Uproc *proc);
 133 void clonefile(Uproc *new, int copy);
 134 void closexfds(void);
 135 Ufile *procfdgetfile(Uproc *proc, int fd);
 136 Ufile* fdgetfile(int fd);
 137 Ufile* getfile(Ufile *file);
 138 void putfile(Ufile *file);
 139 int newfd(Ufile *file, int flags);
 140 int chdirfile(Ufile *file);
 141 int readfile(Ufile *file, void *buf, int len);
 142 int writefile(Ufile *file, void *buf, int len);
 143 int preadfile(Ufile *file, void *buf, int len, vlong off);
 144 int pwritefile(Ufile *file, void *buf, int len, vlong off);
 145 int sys_dup(int fd);
 146 int sys_dup2(int old, int new);
 147 int sys_fcntl(int fd, int cmd, int arg);
 148 int sys_close(int fd);
 149 int sys_ioctl(int fd, int cmd, void *arg);
 150 int sys_read(int fd, void *buf, int len);
 151 int sys_readv(int fd, void *vec, int n);
 152 int sys_pread64(int fd, void *buf, int len, ulong off);
 153 int sys_write(int fd, void *buf, int len);
 154 int sys_pwrite64(int fd, void *buf, int len, ulong off);
 155 int sys_writev(int fd, void *vec, int n);
 156 ulong sys_lseek(int fd, ulong off, int whence);
 157 int sys_llseek(int fd, ulong hioff, ulong looff, vlong *res, int whence);
 158 int sys_umask(int umask);
 159 int sys_flock(int fd, int cmd);
 160 int sys_fsync(int fd);
 161 int sys_fchdir(int fd);
 162 int sys_getcwd(char *buf, int len);
 163 int sys_fchmod(int fd, int mode);
 164 int sys_fchown(int fd, int uid, int gid);
 165 int sys_ftruncate(int fd, ulong size);
 166
 167 /* poll */
 168 void pollwait(Ufile *f, Uwaitq *q, void *t);
 169 int sys_poll(void *p, int nfd, long timeout);
 170 int sys_select(int nfd, ulong *rfd, ulong *wfd, ulong *efd, void *ptv);
 171
 172 /* mem */
 173 void* kmalloc(int size);
 174 void* kmallocz(int size, int zero);
 175 void* krealloc(void *ptr, int size);
 176 char* kstrdup(char *s);
 177 char* ksmprint(char *fmt, ...);
 178 #pragma varargck argpos ksmprint 1
 179
 180 ulong pagealign(ulong addr);
 181
 182 void initmem(void);
 183 void exitmem(void);
 184 void clonemem(Uproc *new, int copy);
 185 ulong procmemstat(Uproc *proc, ulong *pdat, ulong *plib, ulong *pshr, ulong *pstk, ulong *pexe);
 186 void* mapstack(int size);
 187 void mapdata(ulong base);
 188 void unmapuserspace(void);
 189 int okaddr(void *ptr, int len, int write);
 190
 191 ulong sys_linux_mmap(void *a);
 192 ulong sys_mmap(ulong addr, ulong len, int prot, int flags, int fd, ulong pgoff);
 193 int sys_munmap(ulong addr, ulong len);
 194 ulong sys_brk(ulong bk);
 195 int sys_mprotect(ulong addr, ulong len, int prot);
 196 int sys_msync(ulong addr, ulong len, int flags);
 197 ulong sys_mremap(ulong addr, ulong oldlen, ulong newlen, int flags, ulong newaddr);
 198
 199 int sys_futex(ulong *addr, int op, int val, void *ptime, ulong *addr2, int val3);
 200
 201 /* exec */
 202 int sys_execve(char *name, char *argv[], char *envp[]);
 203
 204 /* time */
 205 void inittime(void);
 206 int sys_time(long *p);
 207 int sys_gettimeofday(void *tvp, void *tzp);
 208 int sys_clock_gettime(int clock, void *t);
 209 int sys_nanosleep(void *rqp, void *rmp);
 210 int proctimes(Uproc *p, ulong *t);
 211 int sys_times(void *times);
 212
 213 /* tls */
 214 void inittls(void);
 215 void clonetls(Uproc *new);
 216
 217 int sys_set_thread_area(void *pinfo);
 218 int sys_get_thread_area(void *pinfo);
 219 int sys_modify_ldt(int func, void *data, int count);
 220
 221 /* bufproc */
 222 void *newbufproc(int fd);
 223 void freebufproc(void *bp);
 224 int readbufproc(void *bp, void *data, int len, int peek, int noblock);
 225 int pollbufproc(void *bp, Ufile *file, void *tab);
 226 int nreadablebufproc(void *bp);
 227
 228 /* main */
 229 void panic(char *msg, ...);
 230 int onstack(long *stk, int (*func)(void *arg), void *arg);
 231 void profme(void);
 232
 233 /* stat */
 234 int ufstat(int fd, Ustat *ps);
 235 Udirent *newdirent(char *path, char *name, int mode);
 236
 237 int sys_getxattr(char *path, char *name, void *value, int size);
 238 int sys_lgetxattr(char *path, char *name, void *value, int size);
 239 int sys_fgetxattr(int fd, char *name, void *value, int size);
 240 int sys_setxattr(char *path, char *name, void *value, int flags, int size);
 241 int sys_lsetxattr(char *path, char *name, void *value, int flags, int size);
 242 int sys_fsetxattr(int fd, char *name, void *value, int size, int flags);
 243
 244 int sys_linux_fstat(int fd, void *st);
 245 int sys_linux_fstat64(int fd, void *st);
 246 int sys_linux_getdents(int fd, void *buf, int nbuf);
 247 int sys_linux_getdents64(int fd, void *buf, int nbuf);
 248 int sys_linux_lstat(char *path, void *st);
 249 int sys_linux_lstat64(char *path, void *st);
 250 int sys_linux_stat(char *path, void *st);
 251 int sys_linux_stat64(char *path, void *st);
 252
 253 int sys_statfs(char *name, void *pstatfs);
 254
 255 /* fs */
 256 void fsmount(Udev *dev, char *path);
 257
 258 char* allocpath(char *base, char *prefix, char *name);
 259 char* fullpath(char *base, char *name);
 260 char* shortpath(char *base, char *path);
 261 char* fsfullpath(char *path);
 262 char* fsrootpath(char *path);
 263 char* basepath(char *p, char **ps);
 264 ulong hashpath(char *s);
 265
 266 int fsaccess(char *path, int mode);
 267 int fschmod(char *path, int mode);
 268 int fschown(char *path, int uid, int gid, int link);
 269 int fslink(char *old, char *new, int sym);
 270 int fsmkdir(char *path, int mode);
 271 int fsopen(char *path, int mode, int perm, Ufile **pf);
 272 int fsreadlink(char *path, char *buf, int len);
 273 int fsrename(char *old, char *new);
 274 int fsstat(char *path, int link, Ustat *ps);
 275 int fstruncate(char *path, vlong size);
 276 int fsunlink(char *path, int rmdir);
 277 int fsutime(char *path, int atime, int mtime);
 278
 279 int sys_access(char *name, int mode);
 280 int sys_chdir(char *name);
 281 int sys_chroot(char *name);
 282 int sys_chmod(char *name, int mode);
 283 int sys_chown(char *name, int uid, int gid);
 284 int sys_creat(char *name, int perm);
 285 int sys_lchown(char *name, int uid, int gid);
 286 int sys_link(char *old, char *new);
 287 int sys_open(char *name, int mode, int perm);
 288 int sys_readlink(char *name, char *buf, int len);
 289 int sys_rename(char *from, char *to);
 290 int sys_rmdir(char *name);
 291 int sys_symlink(char *old, char *new);
 292 int sys_truncate(char *name, ulong size);
 293 int sys_unlink(char *name);
 294 int sys_utime(char *name, void *times);
 295 int sys_utimes(char *name, void *tvp);
 296 int sys_mkdir(char *name, int mode);
 297
 298 /* drivers */
 299 void rootdevinit(void);
 300 void sockdevinit(void);
 301 int sys_linux_socketcall(int call, int *arg);
 302 void pipedevinit(void);
 303 int sys_pipe(int *fds);
 304 void fddevinit(void);
 305 void ptsdevinit(void);
 306 void dspdevinit(void);
 307 void miscdevinit(void);
 308 void ptydevinit(void);
 309 void consdevinit(void);
 310 void procdevinit(void);
 311