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fd: fix table cloning

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Matheus
2022-09-19 22:51:37 -03:00
parent d7491ac8d8
commit cd78bcff92
1 changed files with 10 additions and 4 deletions
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src/fs/fd.c
+10 -4
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@@ -12,7 +12,7 @@ int fd_release(fd_t* fd){
int fd_access(fdtable_t* fdtable, fd_t** fd, int ifd){
spinlock_acquire(&fdtable->lock);
if(ifd >= fdtable->fdcount || fdtable->fd[ifd] == NULL){
spinlock_release(&fdtable->lock);
return EBADF;
@@ -82,8 +82,8 @@ int fd_alloc(fdtable_t* fdtable, fd_t** fd, int* ifd){
}
int fd_free(fdtable_t* fdtable, int ifd){
spinlock_acquire(&fdtable->lock);
spinlock_acquire(&fdtable->lock);
if(ifd >= fdtable->fdcount || fdtable->fd[ifd] == NULL){
spinlock_release(&fdtable->lock);
return EBADF;
@@ -114,12 +114,18 @@ int fd_tableclone(fdtable_t* source, fdtable_t* dest){
spinlock_acquire(&source->lock);
if(fd_tableinit(dest)){
spinlock_release(&source->lock);
return ENOMEM;
}
if(source->fdcount != dest->fdcount){
void* tmp = alloc(source->fdcount*sizeof(fd_t*));
void* tmp = realloc(dest->fd, source->fdcount*sizeof(fd_t*));
if(!tmp){
spinlock_release(&source->lock);
return ENOMEM;
}
dest->fd = tmp;
dest->fdcount = source->fdcount;
}