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Make syscall invocations look pleasant.

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Old: Syscall::invoke(Syscall::SC_foo, (dword)arg1, (dword)arg2)
New: syscall(SC_foo, arg1, arg2)
This commit is contained in:
Andreas Kling 2018-12-21 03:02:06 +01:00
parent 36bd53b36a
commit 3a0a8848fb
13 changed files with 75 additions and 72 deletions
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80
LibC/unistd.cpp
View file

@ -13,49 +13,49 @@ extern "C" {
pid_t fork()
{
int rc = Syscall::invoke(Syscall::SC_fork);
int rc = syscall(SC_fork);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int execve(const char* filename, const char** argv, const char** envp)
{
int rc = Syscall::invoke(Syscall::SC_execve, (dword)filename, (dword)argv, (dword)envp);
int rc = syscall(SC_execve, filename, argv, envp);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
uid_t getuid()
{
return Syscall::invoke(Syscall::SC_getuid);
return syscall(SC_getuid);
}
gid_t getgid()
{
return Syscall::invoke(Syscall::SC_getgid);
return syscall(SC_getgid);
}
uid_t geteuid()
{
return Syscall::invoke(Syscall::SC_geteuid);
return syscall(SC_geteuid);
}
gid_t getegid()
{
return Syscall::invoke(Syscall::SC_getegid);
return syscall(SC_getegid);
}
pid_t getpid()
{
return Syscall::invoke(Syscall::SC_getpid);
return syscall(SC_getpid);
}
pid_t getppid()
{
return Syscall::invoke(Syscall::SC_getppid);
return syscall(SC_getppid);
}
pid_t setsid()
{
int rc = Syscall::invoke(Syscall::SC_setsid);
int rc = syscall(SC_setsid);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
@ -71,19 +71,19 @@ int tcsetpgrp(int fd, pid_t pgid)
int setpgid(pid_t pid, pid_t pgid)
{
int rc = Syscall::invoke(Syscall::SC_setpgid, (dword)pid, (dword)pgid);
int rc = syscall(SC_setpgid, pid, pgid);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
pid_t getpgid(pid_t pid)
{
int rc = Syscall::invoke(Syscall::SC_getpgid, (dword)pid);
int rc = syscall(SC_getpgid, pid);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
pid_t getpgrp()
{
int rc = Syscall::invoke(Syscall::SC_getpgrp);
int rc = syscall(SC_getpgrp);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
@ -91,26 +91,26 @@ int open(const char* path, int options, ...)
{
va_list ap;
va_start(ap, options);
int rc = Syscall::invoke(Syscall::SC_open, (dword)path, (dword)options, (dword)ap);
int rc = syscall(SC_open, path, options, ap);
va_end(ap);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
ssize_t read(int fd, void* buf, size_t count)
{
int rc = Syscall::invoke(Syscall::SC_read, (dword)fd, (dword)buf, (dword)count);
int rc = syscall(SC_read, fd, buf, count);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
ssize_t write(int fd, const void* buf, size_t count)
{
int rc = Syscall::invoke(Syscall::SC_write, (dword)fd, (dword)buf, (dword)count);
int rc = syscall(SC_write, fd, buf, count);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int ttyname_r(int fd, char* buffer, size_t size)
{
int rc = Syscall::invoke(Syscall::SC_ttyname_r, (dword)fd, (dword)buffer, (dword)size);
int rc = syscall(SC_ttyname_r, fd, buffer, size);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
@ -124,43 +124,43 @@ char* ttyname(int fd)
int close(int fd)
{
int rc = Syscall::invoke(Syscall::SC_close, fd);
int rc = syscall(SC_close, fd);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
pid_t waitpid(pid_t waitee, int* wstatus, int options)
{
int rc = Syscall::invoke(Syscall::SC_waitpid, waitee, (dword)wstatus, (dword)options);
int rc = syscall(SC_waitpid, waitee, wstatus, options);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int lstat(const char* path, struct stat* statbuf)
{
int rc = Syscall::invoke(Syscall::SC_lstat, (dword)path, (dword)statbuf);
int rc = syscall(SC_lstat, path, statbuf);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int stat(const char* path, struct stat* statbuf)
{
int rc = Syscall::invoke(Syscall::SC_stat, (dword)path, (dword)statbuf);
int rc = syscall(SC_stat, path, statbuf);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int fstat(int fd, struct stat *statbuf)
{
int rc = Syscall::invoke(Syscall::SC_fstat, (dword)fd, (dword)statbuf);
int rc = syscall(SC_fstat, fd, statbuf);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int chdir(const char* path)
{
int rc = Syscall::invoke(Syscall::SC_chdir, (dword)path);
int rc = syscall(SC_chdir, path);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
char* getcwd(char* buffer, size_t size)
{
int rc = Syscall::invoke(Syscall::SC_getcwd, (dword)buffer, (dword)size);
int rc = syscall(SC_getcwd, buffer, size);
__RETURN_WITH_ERRNO(rc, buffer, nullptr);
}
@ -172,24 +172,24 @@ char* getwd(char* buf)
int sleep(unsigned seconds)
{
return Syscall::invoke(Syscall::SC_sleep, (dword)seconds);
return syscall(SC_sleep, seconds);
}
int gethostname(char* buffer, size_t size)
{
int rc = Syscall::invoke(Syscall::SC_gethostname, (dword)buffer, (dword)size);
int rc = syscall(SC_gethostname, buffer, size);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
ssize_t readlink(const char* path, char* buffer, size_t size)
{
int rc = Syscall::invoke(Syscall::SC_readlink, (dword)path, (dword)buffer, (dword)size);
int rc = syscall(SC_readlink, path, buffer, size);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
off_t lseek(int fd, off_t offset, int whence)
{
int rc = Syscall::invoke(Syscall::SC_lseek, (dword)fd, (dword)offset, (dword)whence);
int rc = syscall(SC_lseek, fd, offset, whence);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
@ -205,66 +205,66 @@ int unlink(const char*)
int isatty(int fd)
{
int rc = Syscall::invoke(Syscall::SC_isatty, (dword)fd);
int rc = syscall(SC_isatty, fd);
__RETURN_WITH_ERRNO(rc, 1, 0);
}
int getdtablesize()
{
int rc = Syscall::invoke(Syscall::SC_getdtablesize);
int rc = syscall(SC_getdtablesize);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int dup(int old_fd)
{
int rc = Syscall::invoke(Syscall::SC_dup, (dword)old_fd);
int rc = syscall(SC_dup, old_fd);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int dup2(int old_fd, int new_fd)
{
int rc = Syscall::invoke(Syscall::SC_dup2, (dword)old_fd, (dword)new_fd);
int rc = syscall(SC_dup2, old_fd, new_fd);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int setgroups(size_t size, const gid_t* list)
{
int rc = Syscall::invoke(Syscall::SC_getgroups, (dword)size, (dword)list);
int rc = syscall(SC_getgroups, size, list);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int getgroups(int size, gid_t list[])
{
int rc = Syscall::invoke(Syscall::SC_getgroups, (dword)size, (dword)list);
int rc = syscall(SC_getgroups, size, list);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int pipe(int pipefd[2])
{
int rc = Syscall::invoke(Syscall::SC_pipe, (dword)pipefd);
int rc = syscall(SC_pipe, pipefd);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
unsigned int alarm(unsigned int seconds)
{
return Syscall::invoke(Syscall::SC_alarm, (dword)seconds);
return syscall(SC_alarm, seconds);
}
int setuid(uid_t uid)
{
int rc = Syscall::invoke(Syscall::SC_setuid, (dword)uid);
int rc = syscall(SC_setuid, uid);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int setgid(uid_t gid)
{
int rc = Syscall::invoke(Syscall::SC_setgid, (dword)gid);
int rc = syscall(SC_setgid, gid);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
int access(const char* pathname, int mode)
{
int rc = Syscall::invoke(Syscall::SC_access, (dword)pathname, (dword)mode);
int rc = syscall(SC_access, pathname, mode);
__RETURN_WITH_ERRNO(rc, rc, -1);
}
@ -290,13 +290,13 @@ long pathconf(const char* path, int name)
void _exit(int status)
{
Syscall::invoke(Syscall::SC_exit, (dword)status);
syscall(SC_exit, status);
assert(false);
}
void sync()
{
Syscall::invoke(Syscall::SC_sync);
syscall(SC_sync);
}
}