small random housekeeping stuff i found
This commit is contained in:
parent
fe8e49148b
commit
d94875c788
5 changed files with 144 additions and 412 deletions
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@ -11,7 +11,7 @@ MSH_ENTRY_POINT {
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while (1) {
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while (1) {
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int out;
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int out;
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char *buf = msh_callocate(512, sizeof(char));
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char *buf = msh_callocate(513, sizeof(char));
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int i = 0, n = 0, last = 0;
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int i = 0, n = 0, last = 0;
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SIZE_TYPE sz = 0, leftoff = 0;
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SIZE_TYPE sz = 0, leftoff = 0;
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@ -30,7 +30,7 @@ static msh_linux_block *find_block(msh_linux_block **last, SIZE_TYPE size) {
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return b;
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return b;
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}
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}
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static msh_linux_block *extend_heap(msh_linux_block *last, SIZE_TYPE size) {
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static msh_linux_block *extend_heap(msh_linux_block *last, SIZE_TYPE size) {
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msh_linux_block *sb = (msh_linux_block *)SYSCALL(brk, 0);
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msh_linux_block *sb = (msh_linux_block *)SYSCALL_0(brk);
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if (SYSCALL(brk, sb + (MSH_BLOCK_SIZE) + size) < 0) {
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if (SYSCALL(brk, sb + (MSH_BLOCK_SIZE) + size) < 0) {
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return (void *)0;
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return (void *)0;
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@ -3,403 +3,147 @@
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#include <sys/errno.h>
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#include <sys/errno.h>
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#undef errno
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#undef errno
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static const char *error_table[] = {
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"Operation not permitted",
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"No such file or directory",
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"No such process",
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"Interrupted system call",
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"Input/output error",
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"No such device or address",
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"Argument list too long",
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"Exec format error",
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"Bad file descriptor",
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"No child processes",
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"Resource temporarily unavailable",
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"Cannot allocate memory",
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"Permission denied",
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"Bad address",
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"Block device required",
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"Device or resource busy",
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"File exists",
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"Invalid cross-device link",
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"No such device",
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"Not a directory",
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"Is a directory",
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"Invalid argument",
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"Too many open files in system",
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"Too many open files",
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"Inappropriate ioctl for device",
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"Text file busy",
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"File too large",
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"No space left on device",
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"Illegal seek",
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"Read-only file system",
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"Too many links",
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"Broken pipe",
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"Numerical argument out of domain",
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"Numerical result out of range",
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"Resource deadlock avoided",
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"File name too long",
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"No locks available",
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"Function not implemented",
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"Directory not empty",
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"Too many levels of symbolic links",
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"No message of desired type",
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"Identifier removed",
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"Channel number out of range",
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"Level 2 not synchronized",
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"Level 3 halted",
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"Level 3 reset",
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"Link number out of range",
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"Protocol driver not attached",
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"No CSI structure available",
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"Level 2 halted",
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"Invalid exchange",
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"Invalid request descriptor",
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"Exchange full",
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"No anode",
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"Invalid request code",
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"Invalid slot",
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"Bad font file format",
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"Device not a stream",
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"No data available",
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"Timer expired",
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"Out of streams resources",
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"Machine is not on the network",
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"Package not installed",
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"Object is remote",
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"Link has been severed",
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"Advertise error",
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"Srmount error",
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"Communication error on send",
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"Protocol error",
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"Multihop attempted",
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"RFS specific error",
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"Bad message",
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"Value too large for defined data type",
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"Name not unique on network",
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"File descriptor in bad state",
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"Remote address changed",
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"Can not access a needed shared library",
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"Accessing a corrupted shared library",
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".lib section in a.out corrupted",
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"Attempting to link in too many shared libraries",
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"Cannot exec a shared library directly",
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"Invalid or incomplete multibyte or wide character",
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"Interrupted system call should be restarted",
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"Streams pipe error",
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"Too many users",
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"Socket operation on non-socket",
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"Destination address required",
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"Message too long",
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"Protocol wrong type for socket",
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"Protocol not available",
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"Protocol not supported",
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"Socket type not supported",
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"Operation not supported",
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"Protocol family not supported",
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"Address family not supported by protocol",
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"Address already in use",
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"Cannot assign requested address",
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"Network is down",
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"Network is unreachable",
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"Network dropped connection on reset",
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"Software caused connection abort",
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"Connection reset by peer",
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"No buffer space available",
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"Transport endpoint is already connected",
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"Transport endpoint is not connected",
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"Cannot send after transport endpoint shutdown",
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"Too many references: cannot splice",
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"Connection timed out",
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"Connection refused",
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"Host is down",
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"No route to host",
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"Operation already in progress",
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"Operation now in progress",
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"Stale file handle",
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"Structure needs cleaning",
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"Not a XENIX named type file",
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"No XENIX semaphores available",
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"Is a named type file",
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"Remote I/O error",
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"Disk quota exceeded",
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"No medium found",
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"Wrong medium type",
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"Operation canceled",
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"Required key not available",
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"Key has expired",
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"Key has been revoked",
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"Key was rejected by service",
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"Owner died",
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"State not recoverable",
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"Operation not possible due to RF-kill",
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"Memory page has hardware error"};
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void msh_linux_print_errno(int errno) {
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void msh_linux_print_errno(int errno) {
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switch (errno) {
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char *errno_num_str = msh_allocate(64);
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case EPERM:
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itoa(errno, errno_num_str, 10);
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msh_print_string("Operation not permitted");
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if (errno - 1 >= sizeof(error_table)) {
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break;
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msh_print_strings("Unknown error (errno ", errno_num_str, ")", 0);
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case ENOENT:
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} else {
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msh_print_string("No such file or directory");
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msh_print_strings("Error ", errno_num_str, " (", error_table[errno - 1],
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break;
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")", 0);
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case ESRCH:
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msh_print_string("No such process");
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break;
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case EINTR:
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msh_print_string("Interrupted system call");
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break;
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case EIO:
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msh_print_string("Input/output error");
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break;
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case ENXIO:
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msh_print_string("No such device or address");
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break;
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case E2BIG:
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msh_print_string("Argument list too long");
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break;
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case ENOEXEC:
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msh_print_string("Exec format error");
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break;
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case EBADF:
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msh_print_string("Bad file descriptor");
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break;
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case ECHILD:
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msh_print_string("No child processes");
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break;
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case EAGAIN:
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msh_print_string("Resource temporarily unavailable");
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break;
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case ENOMEM:
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msh_print_string("Cannot allocate memory");
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break;
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case EACCES:
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msh_print_string("Permission denied");
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break;
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case EFAULT:
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msh_print_string("Bad address");
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break;
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case ENOTBLK:
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msh_print_string("Block device required");
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break;
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case EBUSY:
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msh_print_string("Device or resource busy");
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break;
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case EEXIST:
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msh_print_string("File exists");
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break;
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case EXDEV:
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msh_print_string("Invalid cross-device link");
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break;
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case ENODEV:
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msh_print_string("No such device");
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break;
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case ENOTDIR:
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msh_print_string("Not a directory");
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break;
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case EISDIR:
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msh_print_string("Is a directory");
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break;
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case EINVAL:
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msh_print_string("Invalid argument");
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break;
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case ENFILE:
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msh_print_string("Too many open files in system");
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break;
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case EMFILE:
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msh_print_string("Too many open files");
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break;
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case ENOTTY:
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msh_print_string("Inappropriate ioctl for device");
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break;
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case ETXTBSY:
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msh_print_string("Text file busy");
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break;
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case EFBIG:
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msh_print_string("File too large");
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break;
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case ENOSPC:
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msh_print_string("No space left on device");
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break;
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case ESPIPE:
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msh_print_string("Illegal seek");
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break;
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case EROFS:
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msh_print_string("Read-only file system");
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break;
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case EMLINK:
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msh_print_string("Too many links");
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break;
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case EPIPE:
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msh_print_string("Broken pipe");
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break;
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case EDOM:
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msh_print_string("Numerical argument out of domain");
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break;
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case ERANGE:
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msh_print_string("Numerical result out of range");
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break;
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case EDEADLK:
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msh_print_string("Resource deadlock avoided");
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break;
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case ENAMETOOLONG:
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msh_print_string("File name too long");
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break;
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case ENOLCK:
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msh_print_string("No locks available");
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break;
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case ENOSYS:
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msh_print_string("Function not implemented");
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break;
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case ENOTEMPTY:
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msh_print_string("Directory not empty");
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break;
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case ELOOP:
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msh_print_string("Too many levels of symbolic links");
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break;
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case ENOMSG:
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msh_print_string("No message of desired type");
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break;
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case EIDRM:
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msh_print_string("Identifier removed");
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break;
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case ECHRNG:
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msh_print_string("Channel number out of range");
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break;
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case EL2NSYNC:
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msh_print_string("Level 2 not synchronized");
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break;
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case EL3HLT:
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msh_print_string("Level 3 halted");
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break;
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case EL3RST:
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msh_print_string("Level 3 reset");
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break;
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case ELNRNG:
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msh_print_string("Link number out of range");
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break;
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case EUNATCH:
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msh_print_string("Protocol driver not attached");
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break;
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case ENOCSI:
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msh_print_string("No CSI structure available");
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break;
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case EL2HLT:
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msh_print_string("Level 2 halted");
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break;
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case EBADE:
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msh_print_string("Invalid exchange");
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break;
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case EBADR:
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msh_print_string("Invalid request descriptor");
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break;
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case EXFULL:
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msh_print_string("Exchange full");
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break;
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case ENOANO:
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msh_print_string("No anode");
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break;
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case EBADRQC:
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msh_print_string("Invalid request code");
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break;
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case EBADSLT:
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msh_print_string("Invalid slot");
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break;
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case EBFONT:
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msh_print_string("Bad font file format");
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break;
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case ENOSTR:
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msh_print_string("Device not a stream");
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break;
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case ENODATA:
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msh_print_string("No data available");
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break;
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case ETIME:
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msh_print_string("Timer expired");
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break;
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case ENOSR:
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msh_print_string("Out of streams resources");
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break;
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case ENONET:
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msh_print_string("Machine is not on the network");
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break;
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case ENOPKG:
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msh_print_string("Package not installed");
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break;
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case EREMOTE:
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msh_print_string("Object is remote");
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break;
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case ENOLINK:
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msh_print_string("Link has been severed");
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break;
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case EADV:
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msh_print_string("Advertise error");
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break;
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case ESRMNT:
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msh_print_string("Srmount error");
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break;
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case ECOMM:
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msh_print_string("Communication error on send");
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break;
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case EPROTO:
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msh_print_string("Protocol error");
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break;
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case EMULTIHOP:
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msh_print_string("Multihop attempted");
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break;
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case EDOTDOT:
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msh_print_string("RFS specific error");
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break;
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case EBADMSG:
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msh_print_string("Bad message");
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break;
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case EOVERFLOW:
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msh_print_string("Value too large for defined data type");
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break;
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case ENOTUNIQ:
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msh_print_string("Name not unique on network");
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break;
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case EBADFD:
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msh_print_string("File descriptor in bad state");
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break;
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case EREMCHG:
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msh_print_string("Remote address changed");
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break;
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case ELIBACC:
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msh_print_string("Can not access a needed shared library");
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break;
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case ELIBBAD:
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msh_print_string("Accessing a corrupted shared library");
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break;
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case ELIBSCN:
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msh_print_string(".lib section in a.out corrupted");
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break;
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case ELIBMAX:
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msh_print_string("Attempting to link in too many shared libraries");
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break;
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case ELIBEXEC:
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msh_print_string("Cannot exec a shared library directly");
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break;
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case EILSEQ:
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msh_print_string("Invalid or incomplete multibyte or wide character");
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break;
|
|
||||||
case ERESTART:
|
|
||||||
msh_print_string("Interrupted system call should be restarted");
|
|
||||||
break;
|
|
||||||
case ESTRPIPE:
|
|
||||||
msh_print_string("Streams pipe error");
|
|
||||||
break;
|
|
||||||
case EUSERS:
|
|
||||||
msh_print_string("Too many users");
|
|
||||||
break;
|
|
||||||
case ENOTSOCK:
|
|
||||||
msh_print_string("Socket operation on non-socket");
|
|
||||||
break;
|
|
||||||
case EDESTADDRREQ:
|
|
||||||
msh_print_string("Destination address required");
|
|
||||||
break;
|
|
||||||
case EMSGSIZE:
|
|
||||||
msh_print_string("Message too long");
|
|
||||||
break;
|
|
||||||
case EPROTOTYPE:
|
|
||||||
msh_print_string("Protocol wrong type for socket");
|
|
||||||
break;
|
|
||||||
case ENOPROTOOPT:
|
|
||||||
msh_print_string("Protocol not available");
|
|
||||||
break;
|
|
||||||
case EPROTONOSUPPORT:
|
|
||||||
msh_print_string("Protocol not supported");
|
|
||||||
break;
|
|
||||||
case ESOCKTNOSUPPORT:
|
|
||||||
msh_print_string("Socket type not supported");
|
|
||||||
break;
|
|
||||||
case EOPNOTSUPP:
|
|
||||||
msh_print_string("Operation not supported");
|
|
||||||
break;
|
|
||||||
case EPFNOSUPPORT:
|
|
||||||
msh_print_string("Protocol family not supported");
|
|
||||||
break;
|
|
||||||
case EAFNOSUPPORT:
|
|
||||||
msh_print_string("Address family not supported by protocol");
|
|
||||||
break;
|
|
||||||
case EADDRINUSE:
|
|
||||||
msh_print_string("Address already in use");
|
|
||||||
break;
|
|
||||||
case EADDRNOTAVAIL:
|
|
||||||
msh_print_string("Cannot assign requested address");
|
|
||||||
break;
|
|
||||||
case ENETDOWN:
|
|
||||||
msh_print_string("Network is down");
|
|
||||||
break;
|
|
||||||
case ENETUNREACH:
|
|
||||||
msh_print_string("Network is unreachable");
|
|
||||||
break;
|
|
||||||
case ENETRESET:
|
|
||||||
msh_print_string("Network dropped connection on reset");
|
|
||||||
break;
|
|
||||||
case ECONNABORTED:
|
|
||||||
msh_print_string("Software caused connection abort");
|
|
||||||
break;
|
|
||||||
case ECONNRESET:
|
|
||||||
msh_print_string("Connection reset by peer");
|
|
||||||
break;
|
|
||||||
case ENOBUFS:
|
|
||||||
msh_print_string("No buffer space available");
|
|
||||||
break;
|
|
||||||
case EISCONN:
|
|
||||||
msh_print_string("Transport endpoint is already connected");
|
|
||||||
break;
|
|
||||||
case ENOTCONN:
|
|
||||||
msh_print_string("Transport endpoint is not connected");
|
|
||||||
break;
|
|
||||||
case ESHUTDOWN:
|
|
||||||
msh_print_string("Cannot send after transport endpoint shutdown");
|
|
||||||
break;
|
|
||||||
case ETOOMANYREFS:
|
|
||||||
msh_print_string("Too many references: cannot splice");
|
|
||||||
break;
|
|
||||||
case ETIMEDOUT:
|
|
||||||
msh_print_string("Connection timed out");
|
|
||||||
break;
|
|
||||||
case ECONNREFUSED:
|
|
||||||
msh_print_string("Connection refused");
|
|
||||||
break;
|
|
||||||
case EHOSTDOWN:
|
|
||||||
msh_print_string("Host is down");
|
|
||||||
break;
|
|
||||||
case EHOSTUNREACH:
|
|
||||||
msh_print_string("No route to host");
|
|
||||||
break;
|
|
||||||
case EALREADY:
|
|
||||||
msh_print_string("Operation already in progress");
|
|
||||||
break;
|
|
||||||
case EINPROGRESS:
|
|
||||||
msh_print_string("Operation now in progress");
|
|
||||||
break;
|
|
||||||
case ESTALE:
|
|
||||||
msh_print_string("Stale file handle");
|
|
||||||
break;
|
|
||||||
case EUCLEAN:
|
|
||||||
msh_print_string("Structure needs cleaning");
|
|
||||||
break;
|
|
||||||
case ENOTNAM:
|
|
||||||
msh_print_string("Not a XENIX named type file");
|
|
||||||
break;
|
|
||||||
case ENAVAIL:
|
|
||||||
msh_print_string("No XENIX semaphores available");
|
|
||||||
break;
|
|
||||||
case EISNAM:
|
|
||||||
msh_print_string("Is a named type file");
|
|
||||||
break;
|
|
||||||
case EREMOTEIO:
|
|
||||||
msh_print_string("Remote I/O error");
|
|
||||||
break;
|
|
||||||
case EDQUOT:
|
|
||||||
msh_print_string("Disk quota exceeded");
|
|
||||||
break;
|
|
||||||
case ENOMEDIUM:
|
|
||||||
msh_print_string("No medium found");
|
|
||||||
break;
|
|
||||||
case EMEDIUMTYPE:
|
|
||||||
msh_print_string("Wrong medium type");
|
|
||||||
break;
|
|
||||||
case ECANCELED:
|
|
||||||
msh_print_string("Operation canceled");
|
|
||||||
break;
|
|
||||||
case ENOKEY:
|
|
||||||
msh_print_string("Required key not available");
|
|
||||||
break;
|
|
||||||
case EKEYEXPIRED:
|
|
||||||
msh_print_string("Key has expired");
|
|
||||||
break;
|
|
||||||
case EKEYREVOKED:
|
|
||||||
msh_print_string("Key has been revoked");
|
|
||||||
break;
|
|
||||||
case EKEYREJECTED:
|
|
||||||
msh_print_string("Key was rejected by service");
|
|
||||||
break;
|
|
||||||
case EOWNERDEAD:
|
|
||||||
msh_print_string("Owner died");
|
|
||||||
break;
|
|
||||||
case ENOTRECOVERABLE:
|
|
||||||
msh_print_string("State not recoverable");
|
|
||||||
break;
|
|
||||||
case ERFKILL:
|
|
||||||
msh_print_string("Operation not possible due to RF-kill");
|
|
||||||
break;
|
|
||||||
case EHWPOISON:
|
|
||||||
msh_print_string("Memory page has hardware error");
|
|
||||||
break;
|
|
||||||
default:
|
|
||||||
msh_print_string("Unknown");
|
|
||||||
break;
|
|
||||||
}
|
}
|
||||||
|
msh_deallocate(errno_num_str);
|
||||||
}
|
}
|
||||||
|
|
|
||||||
|
|
@ -128,11 +128,6 @@ int msh_execute(char *cmd, char **args) {
|
||||||
|
|
||||||
ret = (SIZE_TYPE)SYSCALL(waitid, P_ALL, fork, &status, WEXITED, &ru);
|
ret = (SIZE_TYPE)SYSCALL(waitid, P_ALL, fork, &status, WEXITED, &ru);
|
||||||
|
|
||||||
/*status_str = msh_allocate(64);
|
|
||||||
itoa(status.si_code, status_str, 10);
|
|
||||||
msh_print_strings("Status ", status_str, "\n", 0);
|
|
||||||
msh_deallocate(status_str);*/
|
|
||||||
|
|
||||||
SYSCALL(kill, fork, SIGKILL);
|
SYSCALL(kill, fork, SIGKILL);
|
||||||
|
|
||||||
SYSCALL(write, 1, "\r", 2);
|
SYSCALL(write, 1, "\r", 2);
|
||||||
|
|
|
||||||
|
|
@ -9,13 +9,6 @@
|
||||||
|
|
||||||
#define INIT_SIGNAL(x) SYSCALL(rt_sigaction, x, &sigact, 0, sizeof(sigset_t));
|
#define INIT_SIGNAL(x) SYSCALL(rt_sigaction, x, &sigact, 0, sizeof(sigset_t));
|
||||||
|
|
||||||
static void signal_handler(int sig) {
|
|
||||||
/*char *status_str = msh_allocate(64);
|
|
||||||
itoa(sig, status_str, 10);
|
|
||||||
msh_print_strings("\nsignal ", status_str, "\n\n", 0);
|
|
||||||
msh_deallocate(status_str);*/
|
|
||||||
}
|
|
||||||
|
|
||||||
static void signal_restorer(void) { SYSCALL_0(rt_sigreturn); }
|
static void signal_restorer(void) { SYSCALL_0(rt_sigreturn); }
|
||||||
|
|
||||||
void msh_linux_setup_signals() {
|
void msh_linux_setup_signals() {
|
||||||
|
|
@ -23,7 +16,7 @@ void msh_linux_setup_signals() {
|
||||||
|
|
||||||
memset(&sigact, 0, sizeof(sigact));
|
memset(&sigact, 0, sizeof(sigact));
|
||||||
|
|
||||||
sigact.sa_handler = signal_handler;
|
sigact.sa_handler = SIG_IGN;
|
||||||
sigact.sa_restorer = signal_restorer;
|
sigact.sa_restorer = signal_restorer;
|
||||||
sigact.sa_flags = SA_RESTORER | SA_RESTART;
|
sigact.sa_flags = SA_RESTORER | SA_RESTART;
|
||||||
|
|
||||||
|
|
|
||||||
Loading…
Add table
Add a link
Reference in a new issue