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add condvar in kernel and app

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This commit is contained in:
Yu Chen 2021-12-13 15:30:27 +08:00
parent a3ec647496
commit b3bce3bef2
8 changed files with 243 additions and 34 deletions
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15
user/src/syscall.rs
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@ -21,6 +21,9 @@ const SYSCALL_MUTEX_UNLOCK: usize = 1012;
const SYSCALL_SEMAPHORE_CREATE: usize = 1020;
const SYSCALL_SEMAPHORE_UP: usize = 1021;
const SYSCALL_SEMAPHORE_DOWN: usize = 1022;
const SYSCALL_CONDVAR_CREATE: usize = 1030;
const SYSCALL_CONDVAR_SIGNAL: usize = 1031;
const SYSCALL_CONDVAR_WAIT: usize = 1032;
fn syscall(id: usize, args: [usize; 3]) -> isize {
let mut ret: isize;
@ -128,3 +131,15 @@ pub fn sys_semaphore_up(sem_id: usize) -> isize {
pub fn sys_semaphore_down(sem_id: usize) -> isize {
syscall(SYSCALL_SEMAPHORE_DOWN, [sem_id, 0, 0])
}
pub fn sys_condvar_create(_arg: usize) -> isize {
syscall(SYSCALL_CONDVAR_CREATE, [_arg, 0, 0])
}
pub fn sys_condvar_signal(condvar_id: usize) -> isize {
syscall(SYSCALL_CONDVAR_SIGNAL, [condvar_id, 0, 0])
}
pub fn sys_condvar_wait(condvar_id: usize, mutex_id:usize) -> isize {
syscall(SYSCALL_CONDVAR_WAIT, [condvar_id, mutex_id, 0])
}