mirror of
https://github.com/jart/cosmopolitan.git
synced 2025-01-31 19:43:32 +00:00
3e4fd4b0ad
This change also pays off some of the remaining technical debt with stdio, file descriptors, and memory managemnt polyfills.
293 lines
13 KiB
C
293 lines
13 KiB
C
#ifndef COSMOPOLITAN_LIBC_CALLS_INTERNAL_H_
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#define COSMOPOLITAN_LIBC_CALLS_INTERNAL_H_
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#ifndef __STRICT_ANSI__
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#include "libc/calls/calls.h"
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#include "libc/calls/struct/iovec.h"
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#include "libc/calls/struct/itimerval.h"
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#include "libc/calls/struct/timespec.h"
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#include "libc/calls/struct/timeval.h"
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#include "libc/dce.h"
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#include "libc/limits.h"
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#include "libc/macros.h"
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#include "libc/nt/struct/securityattributes.h"
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#include "libc/nt/struct/startupinfo.h"
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#include "libc/nt/struct/systeminfo.h"
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#include "libc/runtime/runtime.h"
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#include "libc/time/struct/timezone.h"
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#include "libc/time/struct/utimbuf.h"
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#define kSigactionMinRva 8 /* >SIG_{ERR,DFL,IGN,...} */
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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#define kIoMotion ((const int8_t[3]){1, 0, 0})
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struct NtContext;
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struct NtWin32FileAttributeData;
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struct ZiposHandle;
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struct __darwin_siginfo;
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struct __darwin_ucontext;
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struct IoctlPtmGet {
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int theduxfd;
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int workerfd;
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char theduxname[16];
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char workername[16];
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};
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struct Fds {
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size_t f; // arbitrary free slot start search index
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size_t n; // monotonic capacity
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struct Fd {
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int64_t handle;
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int64_t extra;
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enum FdKind {
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kFdEmpty,
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kFdFile,
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kFdSocket,
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kFdProcess,
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kFdConsole,
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kFdSerial,
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kFdZip,
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kFdEpoll,
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} kind;
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unsigned flags;
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} * p;
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struct Fd __init_p[OPEN_MAX];
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};
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extern const struct Fd kEmptyFd;
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hidden extern int g_sighandrvas[NSIG];
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hidden extern struct Fds g_fds;
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hidden extern struct NtSystemInfo g_ntsysteminfo;
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hidden extern struct NtStartupInfo g_ntstartupinfo;
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hidden extern const struct NtSecurityAttributes kNtIsInheritable;
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ssize_t __getemptyfd(void) hidden;
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int __ensurefds(int) hidden;
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void __removefd(int) hidden;
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enum FdKind fdkind(int) hidden nosideeffect;
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bool __isfdopen(int) hidden nosideeffect;
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bool __isfdkind(int, enum FdKind) hidden nosideeffect;
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forceinline size_t clampio(size_t size) {
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if (!IsTrustworthy()) {
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return MIN(size, 0x7ffff000);
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} else {
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return size;
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}
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}
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#define i32 int32_t
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#define i64 int64_t
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#define u32 uint32_t
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#define u64 uint64_t
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#define sigset struct sigset
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § syscalls » system five » synthetic jump slots ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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char *getcwd$sysv(char *, u64) hidden;
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i32 __dup3$sysv(i32, i32, i32) hidden;
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i32 __fstat$sysv(i32, struct stat *) hidden;
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i32 __fstatat$sysv(i32, const char *, struct stat *, i32) hidden;
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i32 __pipe2$sysv(i32[hasatleast 2], u32) hidden;
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i32 __utimensat$sysv(i32, const char *, const struct timespec *, i32) hidden;
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i32 chdir$sysv(const char *) hidden;
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i32 clock_gettime$sysv(i32, struct timespec *) hidden;
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i32 close$sysv(i32) hidden;
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i32 dup$sysv(i32) hidden;
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i32 dup2$sysv(i32, i32) hidden;
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i32 dup3$sysv(i32, i32, i32) hidden;
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i32 execve$sysv(const char *, char *const[], char *const[]) hidden;
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i32 faccessat$sysv(i32, const char *, i32, u32) hidden;
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i32 fadvise$sysv(i32, i64, i64, i32) hidden;
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i32 fallocate$sysv(i64, i32, i64, i64) hidden;
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i32 fchmod$sysv(i32, u32) hidden;
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i32 fchmodat$sysv(i32, const char *, u32, u32) hidden;
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i32 fchown$sysv(i64, u32, u32) hidden;
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i32 fchownat$sysv(i32, const char *, u32, u32, u32) hidden;
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i32 fcntl$sysv(i32, i32, i32) hidden;
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i32 fdatasync$sysv(i32) hidden;
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i32 flock$sysv(i32, i32) hidden;
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i32 fork$sysv(void) hidden;
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i32 fstat$sysv(i32, struct stat *) hidden;
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i32 fstatat$sysv(i32, const char *, struct stat *, i32) hidden;
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i32 fsync$sysv(i32) hidden;
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i32 ftruncate$sysv(i32, i64) hidden;
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i32 futimes$sysv(i32, const struct timeval *) hidden;
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i32 futimesat$sysv(i32, const char *, const struct timeval *) hidden;
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i32 getdents(i32, char *, u32) hidden;
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i32 getppid$sysv(void) hidden;
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i32 getpriority$sysv(i32, u32) hidden;
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i32 getrlimit$sysv(i32, struct rlimit *) hidden;
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i32 getrusage$sysv(i32, struct rusage *) hidden;
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i32 gettimeofday$sysv(struct timeval *, struct timezone *) hidden;
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i32 ioctl$sysv(i32, u64, void *) hidden;
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i32 kill$sysv(i32, i32, i32) hidden;
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i32 linkat$sysv(i32, const char *, i32, const char *, i32) hidden;
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i32 lseek$sysv(i32, i64, i32) hidden;
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i32 lutimes$sysv(const char *, const struct timeval *) hidden;
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i32 madvise$sysv(void *, size_t, i32) hidden;
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i32 memfd_create$sysv(const char *, u32) hidden;
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i32 mkdirat$sysv(i32, const char *, u32) hidden;
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i32 mkfifo$sysv(const char *, u32) hidden;
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i32 mknod$sysv(const char *, u32, u64) hidden;
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i32 mprotect$sysv(void *, u64, i32) hidden;
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i32 msync$sysv(void *, u64, i32) hidden;
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i32 munmap$sysv(void *, u64) hidden;
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i32 nanosleep$sysv(const struct timespec *, struct timespec *) hidden;
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i32 openat$sysv(i32, const char *, i32, i32) hidden;
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i32 pause$sysv(void) hidden;
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i32 pipe$sysv(i32[hasatleast 2]) hidden;
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i32 pipe2$sysv(i32[hasatleast 2], u32) hidden;
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i32 posix_fallocate$sysv(i64, i64, i64) hidden;
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i32 posix_openpt$sysv(i32) hidden;
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i32 renameat$sysv(i32, const char *, i32, const char *) hidden;
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i32 sched_setaffinity$sysv(i32, u64, const void *) hidden;
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i32 sched_yield$sysv(void) hidden;
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i32 setitimer$sysv(i32, const struct itimerval *, struct itimerval *) hidden;
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i32 setpriority$sysv(i32, u32, i32) hidden;
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i32 setrlimit$sysv(i32, const struct rlimit *) hidden;
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i32 sigaction$sysv(i32, const void *, void *, i64) hidden;
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i32 sigprocmask$sysv(i32, const sigset *, sigset *, u64) hidden;
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i32 sigsuspend$sysv(const sigset *, u64) hidden;
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i32 symlinkat$sysv(const char *, i32, const char *) hidden;
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i32 sync$sysv(void) hidden;
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i32 sync_file_range$sysv(i32, i64, i64, u32) hidden;
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i32 sysinfo$sysv(struct sysinfo *) hidden;
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i32 truncate$sysv(const char *, u64) hidden;
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i32 uname$sysv(char *) hidden;
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i32 unlinkat$sysv(i32, const char *, i32) hidden;
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i32 utime$sysv(const char *, const struct utimbuf *) hidden;
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i32 utimensat$sysv(i32, const char *, const struct timespec *, i32) hidden;
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i32 utimes$sysv(const char *, const struct timeval *) hidden;
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i32 wait4$sysv(i32, i32 *, i32, struct rusage *) hidden;
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i64 copy_file_range$sysv(i32, long *, i32, long *, u64, u32) hidden;
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i64 getrandom$sysv(void *, u64, u32) hidden;
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i64 pread$sysv(i32, void *, u64, i64) hidden;
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i64 preadv$sysv(i32, struct iovec *, i32, i64) hidden;
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i64 pwrite$sysv(i32, const void *, u64, i64) hidden;
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i64 pwritev$sysv(i32, const struct iovec *, i32, i64) hidden;
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i64 read$sysv(i32, void *, u64) hidden;
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i64 sendfile$sysv(i32, i32, i64 *, u64) hidden;
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i64 splice$sysv(i32, i64 *, i32, i64 *, u64, u32) hidden;
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i64 vmsplice$sysv(i32, const struct iovec *, i64, u32) hidden;
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i64 write$sysv(i32, const void *, u64) hidden;
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int getitimer$sysv(i32, struct itimerval *) hidden;
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int setresgid$sysv(uint32_t, uint32_t, uint32_t) hidden;
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int setresuid$sysv(uint32_t, uint32_t, uint32_t) hidden;
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u32 getgid$sysv(void) hidden;
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u32 getpid$sysv(void) hidden;
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u32 gettid$sysv(void) hidden;
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u32 getuid$sysv(void) hidden;
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void *mmap$sysv(void *, u64, u32, u32, i64, i64) hidden;
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void *mremap$sysv(void *, u64, u64, i32, void *) hidden;
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § syscalls » system five » support ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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void __onfork(void) hidden;
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bool32 __sigenter(i32, struct siginfo *, struct ucontext *) hidden;
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i32 fixupnewfd$sysv(i32, i32) hidden;
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i32 tunefd$sysv(i32, i32, i32, i32) hidden;
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u32 fprot2nt(i32, i32) hidden;
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u32 prot2nt(i32, i32) privileged;
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void __restore_rt() hidden;
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void __sigenter$xnu(void *, i32, i32, void *, void *) hidden noreturn;
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int utimensat$xnu(int, const char *, const struct timespec *, int) hidden;
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int nanosleep$xnu(const struct timespec *, struct timespec *) hidden;
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void stat2linux(void *) hidden;
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void xnutrampoline(void *, i32, i32, const struct __darwin_siginfo *,
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const struct __darwin_ucontext *) hidden noreturn;
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § syscalls » windows nt » veneers ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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int gettimeofday$nt(struct timeval *, struct timezone *) hidden;
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bool32 isatty$nt(int) hidden;
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char *getcwd$nt(char *, size_t) hidden;
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int fork$nt(void) hidden;
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int chdir$nt(const char *) hidden;
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int close$nt(int) hidden;
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int dup$nt(int, int, int) hidden;
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int fadvise$nt(int, u64, u64, int) hidden;
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int fcntl$nt(int, int, unsigned) hidden;
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int getpriority$nt(int) hidden;
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int setpriority$nt(int) hidden;
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int fdatasync$nt(int) hidden;
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int flock$nt(int, int) hidden;
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int fstat$nt(i64, struct stat *) hidden;
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int ftruncate$nt(int, u64) hidden;
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int kill$nt(i64, int) hidden;
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int link$nt(const char *, const char *) hidden;
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int lstat$nt(const char *, struct stat *) hidden;
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int madvise$nt(void *, size_t, int) hidden;
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int msync$nt(void *, size_t, int) hidden;
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ssize_t open$nt(const char *, u32, i32) nodiscard hidden;
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int pipe$nt(int[hasatleast 2], unsigned) hidden;
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int rename$nt(const char *, const char *) hidden;
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int rmdir$nt(const char *) hidden;
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int sched_yield$nt(void) hidden;
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int stat$nt(const char *, struct stat *) hidden;
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int sync$nt(void) hidden;
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int symlink$nt(const char *, const char *) hidden;
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int sysinfo$nt(struct sysinfo *) hidden;
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int truncate$nt(const char *, u64) hidden;
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int unlink$nt(const char *) hidden;
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i64 lseek$nt(int, i64, int) hidden;
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ssize_t read$nt(struct Fd *, const struct iovec *, size_t, ssize_t) hidden;
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ssize_t write$nt(struct Fd *, const struct iovec *, size_t, ssize_t) hidden;
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int utimensat$nt(int, const char *, const struct timespec *, int) hidden;
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int getrusage$nt(int, struct rusage *) hidden;
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int setitimer$nt(int, const struct itimerval *, struct itimerval *) hidden;
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int nanosleep$nt(const struct timespec *, struct timespec *) hidden;
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § syscalls » windows nt » support ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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void WinMainForked(void) hidden;
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void *GetProcAddressModule(const char *, const char *) hidden;
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int getsetpriority$nt(int, unsigned, int, int (*)(int));
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void ntcontext2linux(struct ucontext *, const struct NtContext *) hidden;
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struct NtOverlapped *offset2overlap(int64_t, struct NtOverlapped *) hidden;
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bool32 ntsetprivilege(i64, const char16_t *, u32) hidden;
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bool32 onntconsoleevent$nt(u32) hidden;
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void __winalarm(void *, uint32_t, uint32_t) hidden;
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int ntaccesscheck(const char16_t *, u32) paramsnonnull() hidden;
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i64 ntreturn(u32);
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i64 __winerr(void) nocallback privileged;
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#define mkntpath(PATH, PATH16) mkntpath2(PATH, -1u, PATH16)
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#define mkntpath2(PATH, FLAGS, PATH16) \
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({ \
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int Count; \
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asm("call\tmkntpath" \
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: "=a"(Count), "=m"(*PATH16) \
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: "D"(PATH), "S"(FLAGS), "d"(&PATH16[0]), "m"((PATH)[0]) \
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: "cc"); \
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Count; \
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})
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § syscalls » drivers ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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ssize_t readv$serial(struct Fd *, const struct iovec *, int) hidden;
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ssize_t writev$serial(struct Fd *, const struct iovec *, int) hidden;
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#undef sigset
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#undef i32
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#undef i64
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#undef u32
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#undef u64
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* !ANSI */
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#endif /* COSMOPOLITAN_LIBC_CALLS_INTERNAL_H_ */
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