mirrors/Astral
1
0
Fork 0
mirror of https://github.com/Mathewnd/Astral.git synced 2026-11-01 15:08:21 +00:00
Code Issues Packages Projects Releases Wiki Activity

fd: fix table cloning

Browse Source
This commit is contained in:
Matheus
2022-09-19 22:51:37 -03:00
parent d7491ac8d8
commit cd78bcff92
1 changed files with 10 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/fs/fd.c
+10 -4
View File
@@ -12,7 +12,7 @@ int fd_release(fd_t* fd){
int fd_access(fdtable_t* fdtable, fd_t** fd, int ifd){ int fd_access(fdtable_t* fdtable, fd_t** fd, int ifd){
spinlock_acquire(&fdtable->lock); spinlock_acquire(&fdtable->lock);
if(ifd >= fdtable->fdcount || fdtable->fd[ifd] == NULL){ if(ifd >= fdtable->fdcount || fdtable->fd[ifd] == NULL){
spinlock_release(&fdtable->lock); spinlock_release(&fdtable->lock);
return EBADF; 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){ int fd_free(fdtable_t* fdtable, int ifd){
spinlock_acquire(&fdtable->lock); spinlock_acquire(&fdtable->lock);
if(ifd >= fdtable->fdcount || fdtable->fd[ifd] == NULL){ if(ifd >= fdtable->fdcount || fdtable->fd[ifd] == NULL){
spinlock_release(&fdtable->lock); spinlock_release(&fdtable->lock);
return EBADF; return EBADF;
@@ -114,12 +114,18 @@ int fd_tableclone(fdtable_t* source, fdtable_t* dest){
spinlock_acquire(&source->lock); spinlock_acquire(&source->lock);
if(fd_tableinit(dest)){
spinlock_release(&source->lock);
return ENOMEM;
}
if(source->fdcount != dest->fdcount){ 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){ if(!tmp){
spinlock_release(&source->lock); spinlock_release(&source->lock);
return ENOMEM; return ENOMEM;
} }
dest->fd = tmp;
dest->fdcount = source->fdcount; dest->fdcount = source->fdcount;
} }