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| author | Robert Morris <[email protected]> | 2019-07-01 17:01:50 -0400 |
|---|---|---|
| committer | Robert Morris <[email protected]> | 2019-07-01 17:01:50 -0400 |
| commit | 18e76a6c47b0f62b2458430d4357f3eb68bfd759 (patch) | |
| tree | 24b532218d747883681e96b4d6d3e33964d83459 /kernel/sysfile.c | |
| parent | 9b99f007434ea3af0c4834a91f19952d5670e16b (diff) | |
| download | xv6-labs-18e76a6c47b0f62b2458430d4357f3eb68bfd759.tar.gz xv6-labs-18e76a6c47b0f62b2458430d4357f3eb68bfd759.tar.bz2 xv6-labs-18e76a6c47b0f62b2458430d4357f3eb68bfd759.zip | |
sbrk() returns a pointer, so it should be 64 bits
Diffstat (limited to 'kernel/sysfile.c')
| -rw-r--r-- | kernel/sysfile.c | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/kernel/sysfile.c b/kernel/sysfile.c index 7788de3..77e273f 100644 --- a/kernel/sysfile.c +++ b/kernel/sysfile.c @@ -52,7 +52,7 @@ fdalloc(struct file *f) return -1; } -int +uint64 sys_dup(void) { struct file *f; @@ -66,7 +66,7 @@ sys_dup(void) return fd; } -int +uint64 sys_read(void) { struct file *f; @@ -78,7 +78,7 @@ sys_read(void) return fileread(f, p, n); } -int +uint64 sys_write(void) { struct file *f; @@ -91,7 +91,7 @@ sys_write(void) return filewrite(f, p, n); } -int +uint64 sys_close(void) { int fd; @@ -104,7 +104,7 @@ sys_close(void) return 0; } -int +uint64 sys_fstat(void) { struct file *f; @@ -116,7 +116,7 @@ sys_fstat(void) } // Create the path new as a link to the same inode as old. -int +uint64 sys_link(void) { char name[DIRSIZ], new[MAXPATH], old[MAXPATH]; @@ -182,7 +182,7 @@ isdirempty(struct inode *dp) } //PAGEBREAK! -int +uint64 sys_unlink(void) { struct inode *ip, *dp; @@ -284,7 +284,7 @@ create(char *path, short type, short major, short minor) return ip; } -int +uint64 sys_open(void) { char path[MAXPATH]; @@ -347,7 +347,7 @@ sys_open(void) return fd; } -int +uint64 sys_mkdir(void) { char path[MAXPATH]; @@ -363,7 +363,7 @@ sys_mkdir(void) return 0; } -int +uint64 sys_mknod(void) { struct inode *ip; @@ -383,7 +383,7 @@ sys_mknod(void) return 0; } -int +uint64 sys_chdir(void) { char path[MAXPATH]; @@ -408,7 +408,7 @@ sys_chdir(void) return 0; } -int +uint64 sys_exec(void) { char path[MAXPATH], *argv[MAXARG]; @@ -446,7 +446,7 @@ sys_exec(void) return ret; } -int +uint64 sys_pipe(void) { uint64 fdarray; // user pointer to array of two integers |