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cosmopolitan/libc/calls/calls.h
Justine Tunney 281a0f2730 Implement raw system call for redbean lua code 
You can now call functions like fork() from Lua and it'll work across
all supported platforms, including Windows. This gives you a level of
control of the system that Lua traditionally hasn't been able to have
due to its focus on old portable stdio rather modern POSIX APIs. Demo
code has been added to redbean-demo.com to show how it works.

This change also modifies Lua so that integer literals with a leading
zero will be interpreted as octal. That should help avoid shooting in
the foot with POSIX APIs that frequently use octal mode bits.

This change fixes a bug in opendir(".") on New Technology.

Lastly, redbean will now serve crash reports to private network IPs.
This is consistent with other frameworks. However that isn't served
to public IPs unless the -E flag is passed to redbean at startup.
2022-04-13 08:53:24 -07:00

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#ifndef COSMOPOLITAN_LIBC_CALLS_SYSCALLS_H_
#define COSMOPOLITAN_LIBC_CALLS_SYSCALLS_H_
#include "libc/calls/struct/dirent.h"
#include "libc/calls/struct/iovec.h"
#include "libc/calls/struct/rlimit.h"
#include "libc/calls/struct/rusage.h"
#include "libc/calls/struct/sigaction.h"
#include "libc/calls/struct/sigset.h"
#include "libc/calls/struct/sigval.h"
#include "libc/calls/struct/stat.h"
#include "libc/calls/struct/sysinfo.h"
#include "libc/calls/struct/timespec.h"
#include "libc/calls/struct/tms.h"
#include "libc/calls/struct/utsname.h"
#include "libc/dce.h"
#include "libc/fmt/pflink.h"
#include "libc/sysv/consts/s.h"
#include "libc/sysv/consts/sig.h"
#define EOF -1 /* end of file */
#define WEOF -1u /* end of file (multibyte) */
#define _IOFBF 0 /* fully buffered */
#define _IOLBF 1 /* line buffered */
#define _IONBF 2 /* no buffering */
#define SEEK_SET 0 /* relative to beginning */
#define SEEK_CUR 1 /* relative to current position */
#define SEEK_END 2 /* relative to end */
#define SIG_ERR ((void (*)(int))(-1))
#define SIG_DFL ((void *)0)
#define SIG_IGN ((void *)1)
#define MAP_FAILED ((void *)-1)
#define ARCH_SET_GS 0x1001
#define ARCH_SET_FS 0x1002
#define ARCH_GET_FS 0x1003
#define ARCH_GET_GS 0x1004
#define MAP_HUGE_2MB (21 << MAP_HUGE_SHIFT)
#define MAP_HUGE_1GB (30 << MAP_HUGE_SHIFT)
#define S_ISDIR(mode) (((mode)&S_IFMT) == S_IFDIR)
#define S_ISCHR(mode) (((mode)&S_IFMT) == S_IFCHR)
#define S_ISBLK(mode) (((mode)&S_IFMT) == S_IFBLK)
#define S_ISREG(mode) (((mode)&S_IFMT) == S_IFREG)
#define S_ISFIFO(mode) (((mode)&S_IFMT) == S_IFIFO)
#define S_ISLNK(mode) (((mode)&S_IFMT) == S_IFLNK)
#define S_ISSOCK(mode) (((mode)&S_IFMT) == S_IFSOCK)
#define WCOREDUMP(s) ((s)&0x80)
#define WEXITSTATUS(s) (((s)&0xff00) >> 8)
#define WIFCONTINUED(s) ((s) == 0xffff)
#define WIFEXITED(s) (!WTERMSIG(s))
#define WIFSIGNALED(s) (((s)&0xffff) - 1u < 0xffu)
#define WIFSTOPPED(s) ((short)((((s)&0xffff) * 0x10001) >> 8) > 0x7f00)
#define WSTOPSIG(s) WEXITSTATUS(s)
#define WTERMSIG(s) ((s)&0x7f)
#define W_STOPCODE(s) ((s) << 8 | 0177)
#if !(__ASSEMBLER__ + __LINKER__ + 0)
COSMOPOLITAN_C_START_
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § system calls ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
typedef int sig_atomic_t;
DIR *fdopendir(int) dontdiscard;
DIR *opendir(const char *) dontdiscard;
bool fileexists(const char *);
bool isdirectory(const char *);
bool isexecutable(const char *);
bool isregularfile(const char *);
bool issymlink(const char *);
bool32 isatty(int) nosideeffect;
bool32 ischardev(int) nosideeffect;
char *commandv(const char *, char[hasatleast PATH_MAX]);
char *get_current_dir_name(void) dontdiscard;
char *getcwd(char *, size_t);
char *realpath(const char *, char *);
char *replaceuser(const char *) dontdiscard;
char *ttyname(int);
int access(const char *, int) dontthrow;
int arch_prctl();
int chdir(const char *);
int chmod(const char *, uint32_t);
int chown(const char *, uint32_t, uint32_t);
int chroot(const char *);
int clone(int (*)(void *), void *, int, void *, ...);
int close(int);
int closedir(DIR *);
int creat(const char *, uint32_t);
int dirfd(DIR *);
int dup(int);
int dup2(int, int);
int dup3(int, int, int);
int execl(const char *, const char *, ...) nullterminated();
int execle(const char *, const char *, ...) nullterminated((1));
int execlp(const char *, const char *, ...) nullterminated();
int execv(const char *, char *const[]);
int execve(const char *, char *const[], char *const[]);
int execvp(const char *, char *const[]);
int execvpe(const char *, char *const[], char *const[]);
int faccessat(int, const char *, int, uint32_t);
int fadvise(int, uint64_t, uint64_t, int);
int fchdir(int);
int fchmod(int, uint32_t) dontthrow;
int fchmodat(int, const char *, uint32_t, int);
int fchown(int, uint32_t, uint32_t);
int fchownat(int, const char *, uint32_t, uint32_t, int);
int fcntl(int, int, ...);
int fdatasync(int);
int filecmp(const char *, const char *);
int flock(int, int);
int fork(void);
int fstat(int, struct stat *);
int fstatat(int, const char *, struct stat *, int);
int fsync(int);
int ftruncate(int, int64_t);
int getdents(unsigned, void *, unsigned, long *);
int getdomainname(char *, size_t);
int gethostname(char *, size_t);
int getpgid(int);
int getpid(void);
int gettid(void);
int getppid(void);
int getpriority(int, unsigned);
int getrlimit(int, struct rlimit *);
int getrusage(int, struct rusage *);
int kill(int, int);
int killpg(int, int);
int link(const char *, const char *) dontthrow;
int linkat(int, const char *, int, const char *, int);
int lstat(const char *, struct stat *);
int lutimes(const char *, const struct timeval[2]);
int madvise(void *, uint64_t, int);
int mkdir(const char *, uint32_t);
int mkdirat(int, const char *, uint32_t);
int mkfifo(const char *, uint32_t);
int mkfifoat(int, const char *, uint32_t);
int mknod(const char *, uint32_t, uint64_t);
int mknodat(int, const char *, int32_t, uint64_t);
int mlock(const void *, size_t);
int mlock2(const void *, size_t, int);
int mlockall(int);
int munlock(const void *, size_t);
int munlockall(void);
int nice(int);
int open(const char *, int, ...);
int openanon(char *, unsigned);
int openat(int, const char *, int, ...);
int pause(void);
int personality(uint64_t);
int pipe(int[hasatleast 2]);
int pipe2(int[hasatleast 2], int);
int posix_fadvise(int, uint64_t, uint64_t, int);
int posix_madvise(void *, uint64_t, int);
int prctl();
int raise(int);
int reboot(int);
int remove(const char *);
int rename(const char *, const char *);
int renameat(int, const char *, int, const char *);
int renameat2(long, const char *, long, const char *, int);
int rmdir(const char *);
int sched_getaffinity(int, uint64_t, void *);
int sched_setaffinity(int, uint64_t, const void *);
int sched_yield(void);
int setegid(uint32_t);
int seteuid(uint32_t);
int setgid(uint32_t);
int setpgid(int, int);
int setpriority(int, unsigned, int);
int setregid(uint32_t, uint32_t);
int setresgid(uint32_t, uint32_t, uint32_t);
int setresuid(uint32_t, uint32_t, uint32_t);
int setreuid(uint32_t, uint32_t);
int setrlimit(int, const struct rlimit *);
int setsid(void);
int setuid(uint32_t);
int sigignore(int);
int siginterrupt(int, int);
int sigprocmask(int, const struct sigset *, struct sigset *);
int sigqueue(int, int, const union sigval);
int sigsuspend(const struct sigset *);
int stat(const char *, struct stat *);
int symlink(const char *, const char *);
int symlinkat(const char *, int, const char *);
int sync_file_range(int, int64_t, int64_t, unsigned);
int sysctl(const int *, unsigned, void *, size_t *, void *, size_t);
int sysinfo(struct sysinfo *);
int touch(const char *, uint32_t);
int truncate(const char *, uint64_t);
int ttyname_r(int, char *, size_t);
int uname(struct utsname *);
int unlink(const char *);
int unlink_s(const char **);
int unlinkat(int, const char *, int);
int vfork(void) returnstwice;
int wait(int *);
int wait3(int *, int, struct rusage *);
int wait4(int, int *, int, struct rusage *);
int waitpid(int, int *, int);
intptr_t syscall(int, ...);
long ptrace(int, ...);
long telldir(DIR *);
long times(struct tms *);
size_t GetFileSize(const char *);
size_t getfiledescriptorsize(int);
ssize_t copy_file_range(int, long *, int, long *, size_t, uint32_t);
ssize_t copyfd(int, int64_t *, int, int64_t *, size_t, uint32_t);
ssize_t lseek(int, int64_t, unsigned);
ssize_t pread(int, void *, size_t, int64_t);
ssize_t preadv(int, struct iovec *, int, int64_t);
ssize_t pwrite(int, const void *, size_t, int64_t);
ssize_t pwritev(int, const struct iovec *, int, int64_t);
ssize_t read(int, void *, size_t);
ssize_t readansi(int, char *, size_t);
ssize_t readlink(const char *, char *, size_t);
ssize_t readlinkat(int, const char *, char *, size_t);
ssize_t splice(int, int64_t *, int, int64_t *, size_t, uint32_t);
ssize_t vmsplice(int, const struct iovec *, int64_t, uint32_t);
ssize_t write(int, const void *, size_t);
struct dirent *readdir(DIR *);
uint32_t getegid(void) nosideeffect;
uint32_t geteuid(void) nosideeffect;
uint32_t getgid(void) nosideeffect;
uint32_t getpgrp(void) nosideeffect;
uint32_t getsid(int) nosideeffect;
uint32_t getuid(void) nosideeffect;
uint32_t umask(uint32_t);
void rewinddir(DIR *);
void sync(void);
int getloadavg(double *, int);
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § system calls » formatting ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
int dprintf(int, const char *, ...) printfesque(2) paramsnonnull((2));
int vdprintf(int, const char *, va_list) paramsnonnull();
/*───────────────────────────────────────────────────────────────────────────│─╗
│ cosmopolitan § system calls » link-time optimizations ─╬─│┼
╚────────────────────────────────────────────────────────────────────────────│*/
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
#define dprintf(FD, FMT, ...) (dprintf)(FD, PFLINK(FMT), ##__VA_ARGS__)
#define vdprintf(FD, FMT, VA) (vdprintf)(FD, PFLINK(FMT), VA)
#endif /* GNU && !ANSI */
COSMOPOLITAN_C_END_
#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
#endif /* COSMOPOLITAN_LIBC_CALLS_SYSCALLS_H_ */
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