thinking about syscalls and pipes

1 files changed, 4 insertions, 6 deletions

diff --git a/kernel/syscalls.c b/kernel/syscalls.c
index 8246df8..6707ec3 100644
--- a/kernel/syscalls.c
+++ b/kernel/syscalls.c
@@ -128,12 +128,10 @@ int syscall_write(int file, char *buf, int len)
     return len;
 }
 
-int chk_syscall_read(int file, char *buf, int len)
-{
-    if(len> fifo_data_len[file])return 0;
-    return 1;
-}
-
+/** 
+ * __read()__ attemts to read up to _len_ bytes from file descriptor _file_ 
+ * into the buffer starting at _buf_. 
+ */
 int syscall_read(int file, char *buf, int len)
 {
     //file 0 = stdin ,  file 1 = stdout , file 2 = stderr