1
# this file is used to list all the syscalls that will be supported by
2
# the Bionic C library. It is used to automatically generate the syscall
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# stubs, the list of syscall constants (__NR_xxxx) and the content of <linux/_unitsd.h>
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# each non comment line has the following format:
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# return_type func_name[:syscall_name[:call_id]]([parameter_list]) (syscall_number|"stub")
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# - syscall_name correspond to the name of the syscall, which may differ from
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# the exported function name (example: the exit syscall is implemented by the _exit()
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# function, which is not the same as the standard C exit() function which calls it)
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# The call_id parameter, given that func_name and syscall_name have
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# been provided, allows the user to specify dispatch style syscalls.
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# For example, socket() syscall on i386 actually becomes:
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# socketcall(__NR_socket, 1, *(rest of args on stack)).
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# - each parameter type is assumed to be stored on 32 bits, there is no plan to support
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# 64-bit architectures at the moment
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# - it there is "stub" instead of a syscall number, the tool will not generate any
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# assembler template for the syscall; it's up to the bionic implementation to provide
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# - additionally, if the syscall number is different amoung ARM, and x86, use:
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# return_type funcname[:syscall_name](parameters) arm_number,x86_number
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# the file is processed by a python script named gensyscalls.py
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void _exit:exit_group (int) 248,252
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void _exit_thread:exit (int) 1
34
pid_t __fork:fork (void) 2
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pid_t _waitpid:waitpid (pid_t, int*, int, struct rusage*) -1,7
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int __waitid:waitid(int, pid_t, struct siginfo_t*, int,void*) 280,284
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# NOTE: this system call is never called directly, but we list it there
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# to have __NR_clone properly defined.
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pid_t __sys_clone:clone (int, void*, int*, void*, int*) 120
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int execve (const char*, char* const*, char* const*) 11
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int __setuid:setuid32 (uid_t) 213
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uid_t getuid:getuid32 () 199
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gid_t getgid:getgid32 () 200
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uid_t geteuid:geteuid32 () 201
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gid_t getegid:getegid32 () 202
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uid_t getresuid:getresuid32 (uid_t *ruid, uid_t *euid, uid_t *suid) 209
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gid_t getresgid:getresgid32 (gid_t *rgid, gid_t *egid, gid_t *sgid) 211
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ssize_t readahead(int, off64_t, size_t) 225
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int getgroups:getgroups32(int, gid_t *) 205
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pid_t getpgid(pid_t) 132
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int setgid:setgid32(gid_t) 214
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int seteuid:seteuid32(uid_t) stub
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int __setreuid:setreuid32(uid_t, uid_t) 203
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int __setresuid:setresuid32(uid_t, uid_t, uid_t) 208
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int setresgid:setresgid32(gid_t, gid_t, gid_t) 210
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void* __brk:brk(void*) 45
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# see comments in arch-arm/bionic/kill.S to understand why we don't generate an ARM stub for kill/tkill
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int kill(pid_t, int) -1,37
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int tkill(pid_t tid, int sig) -1,238
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int tgkill(pid_t tgid, pid_t tid, int sig) -1,270
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int __ptrace:ptrace(int request, int pid, void* addr, void* data) 26
69
int __set_thread_area:set_thread_area(void* user_desc) -1,243
70
int __getpriority:getpriority(int, int) 96
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int setpriority(int, int, int) 97
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int setrlimit(int resource, const struct rlimit *rlp) 75
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int getrlimit:ugetrlimit(int resource, struct rlimit *rlp) 191
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int getrusage(int who, struct rusage* r_usage) 77
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int setgroups:setgroups32(int, const gid_t *) 206
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pid_t getpgrp(void) stub
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int setpgid(pid_t, pid_t) 57
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pid_t vfork(void) 190,-1,190
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int setregid:setregid32(gid_t, gid_t) 204
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int chroot(const char *) 61
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# IMPORTANT: Even though <sys/prctl.h> declares prctl(int,...), the syscall stub must take 6 arguments
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# to match the kernel implementation.
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int prctl(int option, unsigned int arg2, unsigned int arg3, unsigned int arg4, unsigned int arg5) 172
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int capget(cap_user_header_t header, cap_user_data_t data) 184
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int capset(cap_user_header_t header, const cap_user_data_t data) 185
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int sigaltstack(const stack_t*, stack_t*) 186
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int acct(const char* filepath) 51
90
ssize_t read (int, void*, size_t) 3
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ssize_t write (int, const void*, size_t) 4
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ssize_t pread64 (int, void *, size_t, off64_t) 180
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ssize_t pwrite64 (int, void *, size_t, off64_t) 181
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int __open:open (const char*, int, mode_t) 5
95
int __openat:openat (int, const char*, int, mode_t) 322,295
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int creat(const char*, mode_t) stub
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off_t lseek(int, off_t, int) 19
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int __llseek:_llseek (int, unsigned long, unsigned long, loff_t*, int) 140
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void * mmap(void *, size_t, int, int, int, long) stub
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void * __mmap2:mmap2(void*, size_t, int, int, int, long) 192
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int munmap(void *, size_t) 91
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void * mremap(void *, size_t, size_t, unsigned long) 163
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int msync(const void *, size_t, int) 144
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int mprotect(const void *, size_t, int) 125
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int madvise(const void *, size_t, int) 220,219
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int mlock(const void *addr, size_t len) 150
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int munlock(const void *addr, size_t len) 151
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int mincore(void* start, size_t length, unsigned char* vec) 219,218
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int __ioctl:ioctl(int, int, void *) 54
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int readv(int, const struct iovec *, int) 145
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int writev(int, const struct iovec *, int) 146
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int __fcntl:fcntl(int, int, void*) 55
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int flock(int, int) 143
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int fchmod(int, mode_t) 94
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int pipe(int *) 42,42
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int pipe2(int *, int) 359,331
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int dup2(int, int) 63
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int select:_newselect(int, struct fd_set *, struct fd_set *, struct fd_set *, struct timeval *) 142
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int ftruncate(int, off_t) 93
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int ftruncate64(int, off64_t) 194
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int getdents:getdents64(unsigned int, struct dirent *, unsigned int) 217,220
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int fdatasync(int) 148
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int fchown:fchown32(int, uid_t, gid_t) 207
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int __fcntl64:fcntl64(int, int, void *) 221
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int __fstatfs64:fstatfs64(int, size_t, struct statfs *) 267,269
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ssize_t sendfile(int out_fd, int in_fd, off_t *offset, size_t count) 187
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int fstatat:fstatat64(int dirfd, const char *path, struct stat *buf, int flags) 327,300
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int mkdirat(int dirfd, const char *pathname, mode_t mode) 323,296
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int fchownat(int dirfd, const char *path, uid_t owner, gid_t group, int flags) 325,298
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int fchmodat(int dirfd, const char *path, mode_t mode, int flags) 333,306
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int renameat(int olddirfd, const char *oldpath, int newdirfd, const char *newpath) 329,302
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int fsetxattr(int, const char *, const void *, size_t, int) 228
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ssize_t fgetxattr(int, const char *, void *, size_t) 231
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ssize_t flistxattr(int, char *, size_t) 234
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int fremovexattr(int, const char *) 237
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int link (const char*, const char*) 9
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int unlink (const char*) 10
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int unlinkat (int, const char *, int) 328,301
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int chdir (const char*) 12
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int mknod (const char*, mode_t, dev_t) 14
148
int chmod (const char*,mode_t) 15
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int chown:chown32(const char *, uid_t, gid_t) 212
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int lchown:lchown32 (const char*, uid_t, gid_t) 198
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int mount (const char*, const char*, const char*, unsigned long, const void*) 21
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int umount(const char*) stub
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int umount2 (const char*, int) 52
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int fstat:fstat64(int, struct stat*) 197
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int stat:stat64(const char *, struct stat *) 195
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int lstat:lstat64(const char *, struct stat *) 196
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int mkdir(const char *, mode_t) 39
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int readlink(const char *, char *, size_t) 85
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int rmdir(const char *) 40
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int rename(const char *, const char *) 38
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int __getcwd:getcwd(char * buf, size_t size) 183
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int access(const char *, int) 33
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int faccessat(int, const char *, int, int) 334,307
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int symlink(const char *, const char *) 83
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int truncate(const char*, off_t) 92
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int setxattr(const char *, const char *, const void *, size_t, int) 226
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int lsetxattr(const char *, const char *, const void *, size_t, int) 227
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ssize_t getxattr(const char *, const char *, void *, size_t) 229
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ssize_t lgetxattr(const char *, const char *, void *, size_t) 230
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ssize_t listxattr(const char *, char *, size_t) 232
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ssize_t llistxattr(const char *, char *, size_t) 233
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int removexattr(const char *, const char *) 235
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int lremovexattr(const char *, const char *) 236
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int __statfs64:statfs64(const char *, size_t, struct statfs *) 266,268
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int gettimeofday(struct timeval*, struct timezone*) 78
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int settimeofday(const struct timeval*, const struct timezone*) 79
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clock_t times(struct tms *) 43
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int nanosleep(const struct timespec *, struct timespec *) 162
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int clock_gettime(clockid_t clk_id, struct timespec *tp) 263,265
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int clock_settime(clockid_t clk_id, const struct timespec *tp) 262,264
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int clock_getres(clockid_t clk_id, struct timespec *res) 264,266
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int clock_nanosleep(clockid_t clock_id, int flags, const struct timespec *req, struct timespec *rem) 265,267
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int getitimer(int, const struct itimerval *) 105
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int setitimer(int, const struct itimerval *, struct itimerval *) 104
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int __timer_create:timer_create(clockid_t clockid, struct sigevent *evp, timer_t *timerid) 257,259
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int __timer_settime:timer_settime(timer_t, int, const struct itimerspec*, struct itimerspec*) 258,260
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int __timer_gettime:timer_gettime(timer_t, struct itimerspec*) 259,261
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int __timer_getoverrun:timer_getoverrun(timer_t) 260,262
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int __timer_delete:timer_delete(timer_t) 261,263
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int utimes(const char*, const struct timeval tvp[2]) 269, 271
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int utimensat(int, const char *, const struct timespec times[2], int) 348, 320, 320
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int sigaction(int, const struct sigaction *, struct sigaction *) 67
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int sigprocmask(int, const sigset_t *, sigset_t *) 126
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int __sigsuspend:sigsuspend(int unused1, int unused2, unsigned mask) 72
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int __rt_sigaction:rt_sigaction (int sig, const struct sigaction *act, struct sigaction *oact, size_t sigsetsize) 174
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int __rt_sigprocmask:rt_sigprocmask (int how, const sigset_t *set, sigset_t *oset, size_t sigsetsize) 175
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int __rt_sigtimedwait:rt_sigtimedwait(const sigset_t *set, struct siginfo_t *info, struct timespec_t *timeout, size_t sigset_size) 177
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int sigpending(sigset_t *) 73
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int socket(int, int, int) 281,-1
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int socketpair(int, int, int, int*) 288,-1
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int bind(int, struct sockaddr *, int) 282,-1
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int connect(int, struct sockaddr *, socklen_t) 283,-1
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int listen(int, int) 284,-1
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int accept(int, struct sockaddr *, socklen_t *) 285,-1
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int getsockname(int, struct sockaddr *, socklen_t *) 286,-1
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int getpeername(int, struct sockaddr *, socklen_t *) 287,-1
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int sendto(int, const void *, size_t, int, const struct sockaddr *, socklen_t) 290,-1
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int recvfrom(int, void *, size_t, unsigned int, struct sockaddr *, socklen_t *) 292,-1
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int shutdown(int, int) 293,-1
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int setsockopt(int, int, int, const void *, socklen_t) 294,-1
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int getsockopt(int, int, int, void *, socklen_t *) 295,-1
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int sendmsg(int, const struct msghdr *, unsigned int) 296,-1
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int recvmsg(int, struct msghdr *, unsigned int) 297,-1
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# sockets for x86. These are done as an "indexed" call to socketcall syscall.
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int socket:socketcall:1 (int, int, int) -1,102
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int bind:socketcall:2 (int, struct sockaddr *, int) -1,102
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int connect:socketcall:3(int, struct sockaddr *, socklen_t) -1,102
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int listen:socketcall:4(int, int) -1,102
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int accept:socketcall:5(int, struct sockaddr *, socklen_t *) -1,102
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int getsockname:socketcall:6(int, struct sockaddr *, socklen_t *) -1,102
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int getpeername:socketcall:7(int, struct sockaddr *, socklen_t *) -1,102
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int socketpair:socketcall:8(int, int, int, int*) -1,102
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int sendto:socketcall:11(int, const void *, size_t, int, const struct sockaddr *, socklen_t) -1,102
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int recvfrom:socketcall:12(int, void *, size_t, unsigned int, struct sockaddr *, socklen_t *) -1,102
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int shutdown:socketcall:13(int, int) -1,102,-1
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int setsockopt:socketcall:14(int, int, int, const void *, socklen_t) -1,102
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int getsockopt:socketcall:15(int, int, int, void *, socklen_t *) -1,102
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int sendmsg:socketcall:16(int, const struct msghdr *, unsigned int) -1,102
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int recvmsg:socketcall:17(int, struct msghdr *, unsigned int) -1,102
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# scheduler & real-time
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int sched_setscheduler(pid_t pid, int policy, const struct sched_param *param) 156
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int sched_getscheduler(pid_t pid) 157
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int sched_yield(void) 158
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int sched_setparam(pid_t pid, const struct sched_param *param) 154
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int sched_getparam(pid_t pid, struct sched_param *param) 155
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int sched_get_priority_max(int policy) 159
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int sched_get_priority_min(int policy) 160
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int sched_rr_get_interval(pid_t pid, struct timespec *interval) 161
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int sched_setaffinity(pid_t pid, size_t setsize, const cpu_set_t* set) 241
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int __sched_getaffinity:sched_getaffinity(pid_t pid, size_t setsize, cpu_set_t* set) 242
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int __getcpu:getcpu(unsigned *cpu, unsigned *node, void *unused) 345,318
254
int ioprio_set(int which, int who, int ioprio) 314,289
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int ioprio_get(int which, int who) 315,290
258
int uname(struct utsname *) 122
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pid_t __wait4:wait4(pid_t pid, int *status, int options, struct rusage *rusage) 114
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mode_t umask(mode_t) 60
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int __reboot:reboot(int, int, int, void *) 88
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int __syslog:syslog(int, char *, int) 103
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int init_module(void *, unsigned long, const char *) 128
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int delete_module(const char*, unsigned int) 129
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int klogctl:syslog(int, char *, int) 103
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int sysinfo(struct sysinfo *) 116
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int personality(unsigned long) 136
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long perf_event_open(struct perf_event_attr *attr_uptr, pid_t pid, int cpu, int group_fd, unsigned long flags) 364
271
int futex(void *, int, int, void *, void *, int) 240
274
int epoll_create(int size) 250,254
275
int epoll_ctl(int epfd, int op, int fd, struct epoll_event *event) 251,255
276
int epoll_wait(int epfd, struct epoll_event *events, int max, int timeout) 252,256
278
int inotify_init(void) 316,291,290
279
int inotify_add_watch(int, const char *, unsigned int) 317,292
280
int inotify_rm_watch(int, unsigned int) 318,293
282
int poll(struct pollfd *, unsigned int, long) 168
284
int eventfd:eventfd2(unsigned int, int) 356,328
286
# ARM-specific ARM_NR_BASE == 0x0f0000 == 983040
287
int __set_tls:ARM_set_tls(void*) 983045,-1
288
int cacheflush:ARM_cacheflush(long start, long end, long flags) 983042,-1