mirror of
https://github.com/jart/cosmopolitan.git
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Add dontthrow attribute to most libc functions
This will help C++ code that uses exceptions to be tinier. For example, this change shaves away 1000 lines of assembly code from LLVM's libcxx, which is 0.7% of all assembly instructions in the entire library.
This commit is contained in:
Justine Tunney
parent
cb19e172da
commit
eeb20775d2
103 changed files with 1455 additions and 1456 deletions
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@ -72,184 +72,184 @@ COSMOPOLITAN_C_START_
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typedef int sig_atomic_t;
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bool32 isatty(int);
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char *getcwd(char *, size_t);
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char *realpath(const char *, char *) __wur;
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char *ttyname(int);
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int access(const char *, int) dontthrow;
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int chdir(const char *);
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int chmod(const char *, unsigned);
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int chown(const char *, unsigned, unsigned);
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int chroot(const char *);
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int close(int);
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int close_range(unsigned, unsigned, unsigned);
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int closefrom(int);
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int creat(const char *, unsigned);
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int dup(int);
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int dup2(int, int);
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int dup3(int, int, int);
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int execl(const char *, const char *, ...) nullterminated();
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int execle(const char *, const char *, ...) nullterminated((1));
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int execlp(const char *, const char *, ...) nullterminated();
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int execv(const char *, char *const[]);
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int execve(const char *, char *const[], char *const[]);
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int execvp(const char *, char *const[]);
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int faccessat(int, const char *, int, int);
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int fchdir(int);
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int fchmod(int, unsigned) dontthrow;
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int fchmodat(int, const char *, unsigned, int);
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int fchown(int, unsigned, unsigned);
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int fchownat(int, const char *, unsigned, unsigned, int);
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int fcntl(int, int, ...);
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int fdatasync(int);
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int fexecve(int, char *const[], char *const[]);
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int flock(int, int);
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int fork(void);
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int fsync(int);
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int ftruncate(int, int64_t);
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int getdomainname(char *, size_t);
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int getgroups(int, unsigned[]);
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int gethostname(char *, size_t);
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int getloadavg(double *, int);
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bool32 isatty(int) libcesque;
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char *getcwd(char *, size_t) dontthrow;
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char *realpath(const char *, char *) libcesque __wur;
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char *ttyname(int) libcesque;
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int access(const char *, int) libcesque;
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int chdir(const char *) libcesque;
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int chmod(const char *, unsigned) libcesque;
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int chown(const char *, unsigned, unsigned) libcesque;
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int chroot(const char *) libcesque;
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int close(int) libcesque;
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int close_range(unsigned, unsigned, unsigned) libcesque;
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int closefrom(int) libcesque;
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int creat(const char *, unsigned) libcesque;
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int dup(int) libcesque;
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int dup2(int, int) libcesque;
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int dup3(int, int, int) libcesque;
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int execl(const char *, const char *, ...) nullterminated() libcesque;
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int execle(const char *, const char *, ...) nullterminated((1)) libcesque;
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int execlp(const char *, const char *, ...) nullterminated() libcesque;
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int execv(const char *, char *const[]) libcesque;
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int execve(const char *, char *const[], char *const[]) libcesque;
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int execvp(const char *, char *const[]) libcesque;
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int faccessat(int, const char *, int, int) libcesque;
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int fchdir(int) libcesque;
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int fchmod(int, unsigned) libcesque;
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int fchmodat(int, const char *, unsigned, int) libcesque;
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int fchown(int, unsigned, unsigned) libcesque;
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int fchownat(int, const char *, unsigned, unsigned, int) libcesque;
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int fcntl(int, int, ...) libcesque;
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int fdatasync(int) libcesque;
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int fexecve(int, char *const[], char *const[]) libcesque;
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int flock(int, int) libcesque;
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int fork(void) libcesque;
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int fsync(int) libcesque;
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int ftruncate(int, int64_t) libcesque;
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int getdomainname(char *, size_t) libcesque;
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int getgroups(int, unsigned[]) libcesque;
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int gethostname(char *, size_t) libcesque;
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int getloadavg(double *, int) libcesque;
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int getpgid(int) libcesque;
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int getpgrp(void) nosideeffect;
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int getpid(void) nosideeffect libcesque;
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int getppid(void);
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int getpriority(int, unsigned);
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int getpgrp(void) libcesque nosideeffect;
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int getpid(void) libcesque nosideeffect;
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int getppid(void) libcesque;
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int getpriority(int, unsigned) libcesque;
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int getsid(int) nosideeffect libcesque;
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int ioctl(int, unsigned long, ...);
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int issetugid(void);
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int kill(int, int);
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int killpg(int, int);
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int lchmod(const char *, unsigned);
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int lchown(const char *, unsigned, unsigned);
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int link(const char *, const char *) dontthrow;
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int linkat(int, const char *, int, const char *, int);
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int mincore(void *, size_t, unsigned char *);
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int mkdir(const char *, unsigned);
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int mkdirat(int, const char *, unsigned);
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int mknod(const char *, unsigned, uint64_t);
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int nice(int);
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int open(const char *, int, ...);
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int openat(int, const char *, int, ...);
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int pause(void);
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int pipe(int[hasatleast 2]);
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int pipe2(int[hasatleast 2], int);
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int posix_fadvise(int, int64_t, int64_t, int);
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int posix_madvise(void *, uint64_t, int);
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int raise(int);
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int reboot(int);
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int remove(const char *);
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int rename(const char *, const char *);
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int renameat(int, const char *, int, const char *);
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int rmdir(const char *);
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int sched_yield(void);
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int setegid(unsigned);
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int seteuid(unsigned);
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int setfsgid(unsigned);
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int setfsuid(unsigned);
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int setgid(unsigned);
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int setgroups(size_t, const unsigned[]);
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int setpgid(int, int);
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int setpgrp(void);
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int setpriority(int, unsigned, int);
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int setregid(unsigned, unsigned);
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int setreuid(unsigned, unsigned);
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int setsid(void);
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int setuid(unsigned);
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int shm_open(const char *, int, unsigned);
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int shm_unlink(const char *);
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int sigignore(int);
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int siginterrupt(int, int);
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int symlink(const char *, const char *);
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int symlinkat(const char *, int, const char *);
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int tcgetpgrp(int);
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int tcsetpgrp(int, int);
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int truncate(const char *, int64_t);
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int ttyname_r(int, char *, size_t);
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int unlink(const char *);
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int unlinkat(int, const char *, int);
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int usleep(uint64_t);
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int vfork(void) returnstwice;
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int wait(int *);
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int waitpid(int, int *, int);
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int64_t clock(void);
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int64_t time(int64_t *);
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ssize_t copy_file_range(int, long *, int, long *, size_t, unsigned);
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ssize_t lseek(int, int64_t, int);
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ssize_t pread(int, void *, size_t, int64_t);
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ssize_t pwrite(int, const void *, size_t, int64_t);
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ssize_t read(int, void *, size_t);
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ssize_t readlink(const char *, char *, size_t);
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ssize_t readlinkat(int, const char *, char *, size_t);
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ssize_t write(int, const void *, size_t);
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unsigned alarm(unsigned);
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unsigned getegid(void) nosideeffect;
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unsigned geteuid(void) nosideeffect;
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unsigned getgid(void) nosideeffect;
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int ioctl(int, unsigned long, ...) libcesque;
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int issetugid(void) libcesque;
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int kill(int, int) libcesque;
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int killpg(int, int) libcesque;
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int lchmod(const char *, unsigned) libcesque;
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int lchown(const char *, unsigned, unsigned) libcesque;
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int link(const char *, const char *) libcesque;
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int linkat(int, const char *, int, const char *, int) libcesque;
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int mincore(void *, size_t, unsigned char *) libcesque;
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int mkdir(const char *, unsigned) libcesque;
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int mkdirat(int, const char *, unsigned) libcesque;
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int mknod(const char *, unsigned, uint64_t) libcesque;
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int nice(int) libcesque;
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int open(const char *, int, ...) libcesque;
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int openat(int, const char *, int, ...) libcesque;
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int pause(void) libcesque;
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int pipe(int[hasatleast 2]) libcesque;
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int pipe2(int[hasatleast 2], int) libcesque;
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int posix_fadvise(int, int64_t, int64_t, int) libcesque;
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int posix_madvise(void *, uint64_t, int) libcesque;
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int raise(int) libcesque;
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int reboot(int) libcesque;
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int remove(const char *) libcesque;
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int rename(const char *, const char *) libcesque;
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int renameat(int, const char *, int, const char *) libcesque;
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int rmdir(const char *) libcesque;
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int sched_yield(void) libcesque;
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int setegid(unsigned) libcesque;
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int seteuid(unsigned) libcesque;
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int setfsgid(unsigned) libcesque;
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int setfsuid(unsigned) libcesque;
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int setgid(unsigned) libcesque;
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int setgroups(size_t, const unsigned[]) libcesque;
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int setpgid(int, int) libcesque;
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int setpgrp(void) libcesque;
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int setpriority(int, unsigned, int) libcesque;
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int setregid(unsigned, unsigned) libcesque;
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int setreuid(unsigned, unsigned) libcesque;
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int setsid(void) libcesque;
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int setuid(unsigned) libcesque;
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int shm_open(const char *, int, unsigned) libcesque;
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int shm_unlink(const char *) libcesque;
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int sigignore(int) libcesque;
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int siginterrupt(int, int) libcesque;
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int symlink(const char *, const char *) libcesque;
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int symlinkat(const char *, int, const char *) libcesque;
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int tcgetpgrp(int) libcesque;
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int tcsetpgrp(int, int) libcesque;
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int truncate(const char *, int64_t) libcesque;
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int ttyname_r(int, char *, size_t) libcesque;
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int unlink(const char *) libcesque;
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int unlinkat(int, const char *, int) libcesque;
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int usleep(uint64_t) libcesque;
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int vfork(void) libcesque returnstwice;
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int wait(int *) libcesque;
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int waitpid(int, int *, int) libcesque;
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int64_t clock(void) libcesque;
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int64_t time(int64_t *) libcesque;
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ssize_t copy_file_range(int, long *, int, long *, size_t, unsigned) libcesque;
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ssize_t lseek(int, int64_t, int) libcesque;
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ssize_t pread(int, void *, size_t, int64_t) libcesque;
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ssize_t pwrite(int, const void *, size_t, int64_t) libcesque;
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ssize_t read(int, void *, size_t) libcesque;
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ssize_t readlink(const char *, char *, size_t) libcesque;
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ssize_t readlinkat(int, const char *, char *, size_t) libcesque;
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ssize_t write(int, const void *, size_t) libcesque;
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unsigned alarm(unsigned) libcesque;
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unsigned getegid(void) libcesque nosideeffect;
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unsigned geteuid(void) libcesque nosideeffect;
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unsigned getgid(void) libcesque nosideeffect;
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unsigned getuid(void) libcesque;
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unsigned sleep(unsigned);
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unsigned ualarm(unsigned, unsigned);
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unsigned umask(unsigned);
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void sync(void);
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unsigned sleep(unsigned) libcesque;
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unsigned ualarm(unsigned, unsigned) libcesque;
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unsigned umask(unsigned) libcesque;
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void sync(void) libcesque;
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#if defined(_COSMO_SOURCE) || defined(_GNU_SOURCE)
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int syncfs(int);
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int prctl(int, ...);
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int syncfs(int) libcesque;
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int prctl(int, ...) libcesque;
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int gettid(void) libcesque;
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int setresgid(unsigned, unsigned, unsigned);
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int setresuid(unsigned, unsigned, unsigned);
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int getresgid(unsigned *, unsigned *, unsigned *);
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int getresuid(unsigned *, unsigned *, unsigned *);
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char *get_current_dir_name(void) __wur;
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ssize_t splice(int, int64_t *, int, int64_t *, size_t, unsigned);
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int memfd_create(const char *, unsigned int);
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int execvpe(const char *, char *const[], char *const[]);
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int euidaccess(const char *, int);
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int eaccess(const char *, int);
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int madvise(void *, uint64_t, int);
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int setresgid(unsigned, unsigned, unsigned) libcesque;
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int setresuid(unsigned, unsigned, unsigned) libcesque;
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int getresgid(unsigned *, unsigned *, unsigned *) libcesque;
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int getresuid(unsigned *, unsigned *, unsigned *) libcesque;
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char *get_current_dir_name(void) libcesque __wur;
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ssize_t splice(int, int64_t *, int, int64_t *, size_t, unsigned) libcesque;
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int memfd_create(const char *, unsigned int) libcesque;
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int execvpe(const char *, char *const[], char *const[]) libcesque;
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int euidaccess(const char *, int) libcesque;
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int eaccess(const char *, int) libcesque;
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int madvise(void *, uint64_t, int) libcesque;
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#endif
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#ifdef _COSMO_SOURCE
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bool32 fdexists(int);
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bool32 fileexists(const char *);
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bool32 ischardev(int);
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bool32 isdirectory(const char *);
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bool32 isexecutable(const char *);
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bool32 isregularfile(const char *);
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bool32 issymlink(const char *);
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char *commandv(const char *, char *, size_t);
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int __getcwd(char *, size_t);
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bool32 fdexists(int) libcesque;
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bool32 fileexists(const char *) libcesque;
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bool32 ischardev(int) libcesque;
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bool32 isdirectory(const char *) libcesque;
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bool32 isexecutable(const char *) libcesque;
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bool32 isregularfile(const char *) libcesque;
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bool32 issymlink(const char *) libcesque;
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char *commandv(const char *, char *, size_t) libcesque;
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int __getcwd(char *, size_t) libcesque;
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int clone(void *, void *, size_t, int, void *, void *, void *, void *);
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int fadvise(int, uint64_t, uint64_t, int);
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int makedirs(const char *, unsigned);
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int pivot_root(const char *, const char *);
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int pledge(const char *, const char *);
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int seccomp(unsigned, unsigned, void *);
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int sys_iopl(int);
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int sys_ioprio_get(int, int);
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int sys_ioprio_set(int, int, int);
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int sys_mlock(const void *, size_t);
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int sys_mlock2(const void *, size_t, int);
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int sys_mlockall(int);
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int sys_munlock(const void *, size_t);
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int sys_munlockall(void);
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int sys_personality(uint64_t);
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int sys_ptrace(int, ...);
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int fadvise(int, uint64_t, uint64_t, int) libcesque;
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int makedirs(const char *, unsigned) libcesque;
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int pivot_root(const char *, const char *) libcesque;
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int pledge(const char *, const char *) libcesque;
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int seccomp(unsigned, unsigned, void *) libcesque;
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int sys_iopl(int) libcesque;
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int sys_ioprio_get(int, int) libcesque;
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int sys_ioprio_set(int, int, int) libcesque;
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int sys_mlock(const void *, size_t) libcesque;
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int sys_mlock2(const void *, size_t, int) libcesque;
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int sys_mlockall(int) libcesque;
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int sys_munlock(const void *, size_t) libcesque;
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int sys_munlockall(void) libcesque;
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int sys_personality(uint64_t) libcesque;
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int sys_ptrace(int, ...) libcesque;
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int sys_sysctl(const int *, unsigned, void *, size_t *, void *, size_t);
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int tmpfd(void);
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int touch(const char *, unsigned);
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int unveil(const char *, const char *);
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long ptrace(int, ...);
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ssize_t copyfd(int, int, size_t);
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ssize_t readansi(int, char *, size_t);
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ssize_t tinyprint(int, const char *, ...) nullterminated();
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void shm_path_np(const char *, char[hasatleast 78]);
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int tmpfd(void) libcesque;
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int touch(const char *, unsigned) libcesque;
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int unveil(const char *, const char *) libcesque;
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long ptrace(int, ...) libcesque;
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ssize_t copyfd(int, int, size_t) libcesque;
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ssize_t readansi(int, char *, size_t) libcesque;
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ssize_t tinyprint(int, const char *, ...) libcesque nullterminated();
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void shm_path_np(const char *, char[hasatleast 78]) libcesque;
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#endif /* _COSMO_SOURCE */
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int __wifstopped(int) pureconst;
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int __wifcontinued(int) pureconst;
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int __wifsignaled(int) pureconst;
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int __wifstopped(int) libcesque pureconst;
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int __wifcontinued(int) libcesque pureconst;
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int __wifsignaled(int) libcesque pureconst;
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#if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
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#define lseek64 lseek
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