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stdio functions now yield straight to the VFS.

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This commit is contained in:
pjht 2019-08-05 14:24:37 -05:00
parent 895bd9613e
commit bff1eee381
1 changed files with 10 additions and 9 deletions
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19
libc/stdio.c
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@ -5,6 +5,7 @@
#include <stdio.h>
#include <tasking.h>
#define VFS_MBOX 3
#define VFS_PID 2
static uint32_t box;
@ -42,12 +43,12 @@ FILE* fopen(char* filename,char* mode) {
msg.size=sizeof(vfs_message);
mailbox_send_msg(&msg);
free(msg.msg);
yield();
yieldToPID(VFS_PID);
msg.msg=malloc(sizeof(vfs_message));
yield();
yieldToPID(VFS_PID);
mailbox_get_msg(box,&msg,sizeof(vfs_message));
while (msg.from==0) {
yield();
yieldToPID(VFS_PID);
mailbox_get_msg(box,&msg,sizeof(vfs_message));
}
vfs_message* vfs_msg=(vfs_message*)msg.msg;
@ -71,12 +72,12 @@ int fputc(int c, FILE* stream) {
msg.size=sizeof(vfs_message);
mailbox_send_msg(&msg);
free(msg.msg);
yield();
yieldToPID(VFS_PID);
msg.msg=malloc(sizeof(vfs_message));
yield();
yieldToPID(VFS_PID);
mailbox_get_msg(box,&msg,sizeof(vfs_message));
while (msg.from==0) {
yield();
yieldToPID(VFS_PID);
mailbox_get_msg(box,&msg,sizeof(vfs_message));
}
vfs_message* vfs_msg=(vfs_message*)msg.msg;
@ -107,12 +108,12 @@ void register_fs(const char* name) {
msg.size=sizeof(vfs_message);
mailbox_send_msg(&msg);
free(msg.msg);
yield();
yieldToPID(VFS_PID);
msg.msg=malloc(sizeof(vfs_message));
yield();
yieldToPID(VFS_PID);
mailbox_get_msg(box,&msg,sizeof(vfs_message));
while (msg.from==0) {
yield();
yieldToPID(VFS_PID);
mailbox_get_msg(box,&msg,sizeof(vfs_message));
}
free(msg.msg);