Allocate FSCmdBlock per-operation to avoid sharing conflicts between threads

This commit is contained in:
shinyquagsire23 2016-10-08 01:36:59 -06:00
parent e254ea3ce2
commit bdac0fc52b

View File

@ -109,9 +109,6 @@ fs_devoptab =
FSClient *
fsClient = NULL;
FSCmdBlock *
fsCmd = NULL;
static bool fsInitialised = false;
/* Initialize device */
@ -125,7 +122,7 @@ fsDevInit()
}
fsClient = memalign(0x20, sizeof(FSClient));
fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSMountSource mountSource;
char mountPath[0x80];
char workDir[0x83];
@ -171,6 +168,8 @@ fsDevInit()
}
}
free(fsCmd);
return rc;
}
@ -188,7 +187,7 @@ fs_fixpath(struct _reent *r,
r->_errno = ENAMETOOLONG;
return NULL;
}
char *__fixedpath = memalign(0x40, PATH_MAX+1);
if (__fixedpath == NULL) {
@ -222,7 +221,6 @@ fsDevExit()
FSDelClient(fsClient, -1);
free(fsClient);
free(fsCmd);
return rc;
}
@ -276,6 +274,10 @@ fs_open(struct _reent *r,
}
*/
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
// Open the file
rc = FSOpenFile(fsClient, fsCmd, path_fixed, fs_mode, &fd, -1);
@ -284,9 +286,11 @@ fs_open(struct _reent *r,
file->flags = (flags & (O_ACCMODE|O_APPEND|O_SYNC));
FSGetPosFile(fsClient, fsCmd, fd, &file->offset, -1);
free(path_fixed);
free(fsCmd);
return 0;
}
free(fsCmd);
free(path_fixed);
r->_errno = fs_translate_error(rc);
return -1;
@ -299,7 +303,12 @@ fs_close(struct _reent *r,
FSStatus rc;
fs_file_t *file = (fs_file_t*)fd;
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
rc = FSCloseFile(fsClient, fsCmd, file->fd, -1);
free(fsCmd);
if (rc >= 0) {
return 0;
@ -338,8 +347,13 @@ fs_write(struct _reent *r,
// Copy to internal buffer
memcpy(tmp_buffer, ptr, toWrite);
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
// Write the data
rc = FSWriteFile(fsClient, fsCmd, tmp_buffer, 1, toWrite, file->fd, 0, -1);
free(fsCmd);
if(rc < 0) {
free(tmp_buffer);
@ -394,8 +408,13 @@ fs_write_safe(struct _reent *r,
// Copy to internal buffer
memcpy(tmp_buffer, ptr, toWrite);
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
// Write the data
rc = FSWriteFile(fsClient, fsCmd, tmp_buffer, 1, toWrite, file->fd, 0, -1);
free(fsCmd);
if (rc < 0) {
free(tmp_buffer);
@ -437,11 +456,16 @@ fs_read(struct _reent *r,
return -1;
}
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
FSStat fsstat;
rc = FSGetStatFile(fsClient, fsCmd, file->fd, &fsstat, -1);
if(rc < 0) {
r->_errno = fs_translate_error(rc);
free(fsCmd);
return -1;
}
@ -461,6 +485,7 @@ fs_read(struct _reent *r,
if(rc <= 0)
{
free(tmp_buffer);
free(fsCmd);
// Return partial transfer
if (bytesRead > 0) {
@ -482,6 +507,7 @@ fs_read(struct _reent *r,
len -= bytes;
}
free(fsCmd);
free(tmp_buffer);
return bytesRead;
}
@ -496,11 +522,16 @@ fs_seek(struct _reent *r,
u64 offset;
fs_file_t *file = (fs_file_t*)fd;
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
FSStat fsstat;
rc = FSGetStatFile(fsClient, fsCmd, file->fd, &fsstat, -1);
if (rc < 0) {
r->_errno = fs_translate_error(rc);
free(fsCmd);
return -1;
}
@ -524,6 +555,7 @@ fs_seek(struct _reent *r,
// An invalid option was provided
default:
r->_errno = EINVAL;
free(fsCmd);
return -1;
}
@ -531,12 +563,14 @@ fs_seek(struct _reent *r,
if(pos < 0 && offset < -pos) {
// Don't allow seek to before the beginning of the file
r->_errno = EINVAL;
free(fsCmd);
return -1;
}
// Update the current offset
file->offset = offset + pos;
FSStatus result = FSSetPosFile(fsClient, fsCmd, file->fd, file->offset, -1);
free(fsCmd);
if (result < 0) {
return result;
@ -554,7 +588,12 @@ fs_fstat(struct _reent *r,
FSStat fsstat;
fs_file_t *file = (fs_file_t*)fd;
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
rc = FSGetStatFile(fsClient, fsCmd, file->fd, &fsstat, -1);
free(fsCmd);
if (rc >= 0) {
memset(st, 0, sizeof(struct stat));
@ -582,6 +621,10 @@ fs_stat(struct _reent *r,
return -1;
}
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
// First try open as file
rc = FSOpenFile(fsClient, fsCmd, file, "r", (FSFileHandle*)&fd, -1);
@ -589,6 +632,7 @@ fs_stat(struct _reent *r,
fs_file_t tmpfd = { .fd = fd };
rc = fs_fstat(r, (int)&tmpfd, st);
FSCloseFile(fsClient, fsCmd, fd, -1);
free(fsCmd);
return rc;
}
@ -600,9 +644,12 @@ fs_stat(struct _reent *r,
st->st_nlink = 1;
st->st_mode = S_IFDIR | S_IRWXU | S_IRWXG | S_IRWXO;
FSCloseDir(fsClient, fsCmd, fd, -1);
free(fsCmd);
return 0;
}
free(fsCmd);
r->_errno = fs_translate_error(rc);
return -1;
}
@ -633,8 +680,13 @@ fs_unlink(struct _reent *r,
return -1;
}
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
rc = FSRemove(fsClient, fsCmd, path_fix, -1);
free(path_fix);
free(fsCmd);
if (rc >= 0) {
return 0;
@ -661,8 +713,13 @@ fs_chdir(struct _reent *r,
return -1;
}
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
rc = FSChangeDir(fsClient, fsCmd, path, -1);
free(path);
free(fsCmd);
if (rc >= 0) {
return 0;
@ -701,9 +758,14 @@ fs_rename(struct _reent *r,
return -1;
}
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
rc = FSRename(fsClient, fsCmd, path_old, path_new, -1);
free(path_old);
free(path_new);
free(fsCmd);
if (rc >= 0) {
return 0;
@ -731,9 +793,14 @@ fs_mkdir(struct _reent *r,
return -1;
}
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
// TODO: Use mode to set directory attributes.
rc = FSMakeDir(fsClient, fsCmd, path_fix, -1);
free(path_fix);
free(fsCmd);
if (rc == FS_ERROR_ALREADY_EXISTS) {
r->_errno = EEXIST;
@ -765,8 +832,13 @@ fs_diropen(struct _reent *r,
return NULL;
}
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
fs_dir_t *dir = (fs_dir_t*)(dirState->dirStruct);
rc = FSOpenDir(fsClient, fsCmd, path_fixed, &fd, -1);
free(fsCmd);
if (rc >= 0) {
dir->magic = FS_DIRITER_MAGIC;
@ -786,8 +858,14 @@ fs_dirreset(struct _reent *r,
DIR_ITER *dirState)
{
FSStatus rc;
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
fs_dir_t *dir = (fs_dir_t*)(dirState->dirStruct);
rc = FSRewindDir(fsClient, fsCmd, dir->fd, -1);
free(fsCmd);
if (rc >= 0) {
return 0;
@ -806,9 +884,14 @@ fs_dirnext(struct _reent *r,
FSStatus rc;
fs_dir_t *dir = (fs_dir_t*)(dirState->dirStruct);
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
// Fetch the next dir
memset(&dir->entry_data, 0, sizeof(dir->entry_data));
rc = FSReadDir(fsClient, fsCmd, dir->fd, &dir->entry_data, -1);
free(fsCmd);
if (rc < 0) {
// There are no more entries; ENOENT signals end-of-directory
@ -846,8 +929,14 @@ fs_dirclose(struct _reent *r,
DIR_ITER *dirState)
{
FSStatus rc;
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
fs_dir_t *dir = (fs_dir_t*)(dirState->dirStruct);
rc = FSCloseDir(fsClient, fsCmd, dir->fd, -1);
free(fsCmd);
if (rc >= 0) {
return 0;
@ -892,14 +981,20 @@ fs_ftruncate(struct _reent *r,
return -1;
}
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
// Set the new file size
rc = FSSetPosFile(fsClient, fsCmd, file->fd, len, -1);
if (rc >= 0) {
free(fsCmd);
return 0;
}
rc = FSTruncateFile(fsClient, fsCmd, file->fd, -1);
free(fsCmd);
if (rc >= 0) {
return 0;
@ -916,7 +1011,12 @@ fs_fsync(struct _reent *r,
FSStatus rc;
fs_file_t *file = (fs_file_t*)fd;
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
rc = FSFlushFile(fsClient, fsCmd, file->fd, -1);
free(fsCmd);
if (rc >= 0) {
return 0;
@ -939,8 +1039,13 @@ fs_chmod(struct _reent *r,
return -1;
}
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
rc = FSChangeMode(fsClient, fsCmd, path_fix, (FSMode)mode, -1);
free(path_fix);
free(fsCmd);
if (rc >= 0) {
return 0;
@ -978,8 +1083,13 @@ fs_rmdir(struct _reent *r,
return -1;
}
// Set up command block
FSCmdBlock* fsCmd = memalign(0x20, sizeof(FSCmdBlock));
FSInitCmdBlock(fsCmd);
rc = FSRemove(fsClient, fsCmd, path_fix, -1);
free(path_fix);
free(fsCmd);
if (rc >= 0) {
return 0;