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musst semaphore.counter public machen, hasse alles. init läuft nun

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user
2025-12-02 16:56:38 +01:00
parent 21fb133146
commit 3afa165ef3
5 changed files with 49 additions and 10 deletions
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20
kernel/syscall/handler.cc
View File

@@ -44,11 +44,23 @@ extern "C" size_t syscall_handler(size_t sysnum, size_t p1, size_t p2,
Syscall::Skeleton::test(Guard::enter().vault(), p1, p2, p3, p4, p5);
break;
case Syscall::ID::WRITE:
Guarded g = Guard::enter();
g.vault().kout.setPos((int)p4, (int)p5);
Syscall::Skeleton::write(g.vault(), p1, (char*)p2, p3);
Guard::enter().vault().kout.setPos((int)p4, (int)p5);
Syscall::Skeleton::write(Guard::enter().vault(), p1, (char*)p2, p3);
break;
}
case Syscall::ID::SEM_INIT:
Syscall::Skeleton::sem_init(Guard::enter().vault(), p1, p2);
break;
case Syscall::ID::SEM_DESTROY:
Syscall::Skeleton::sem_destroy(Guard::enter().vault(), p1);
break;
case Syscall::ID::SEM_WAIT:
Syscall::Skeleton::sem_wait(Guard::enter().vault(), p1);
break;
case Syscall::ID::SEM_SIGNAL:
Syscall::Skeleton::sem_signal(Guard::enter().vault(), p1);
break;
}
return static_cast<size_t>(-1);
}

9
kernel/syscall/skeleton.cc
View File

@@ -46,10 +46,11 @@ void sleep(Vault &vault, size_t ms) {
}
bool sem_init(Vault &vault, size_t id, uint32_t value) {
(void)vault;
(void)id;
(void)value;
return false;
if (id >= vault.MAX_SEMS) {
return false; // out‐of‐range id
}
vault.sems[id].counter=value;
return true;
}
void sem_destroy(Vault &vault, size_t id) {

26
kernel/syscall/stub.h
View File

@@ -8,6 +8,15 @@ namespace Syscall {
enum class ID : size_t {
TEST = 0,
WRITE = 1,
//READ = 2,
//SLEEP =3,
SEM_INIT=4,
SEM_DESTROY=5,
SEM_WAIT=6,
SEM_SIGNAL=7,
//SYS_GETPID=8,
//SYS_EXIT= 9,
//SYS_KILL=10
};
} // namespace Syscall
@@ -25,5 +34,20 @@ extern "C" ssize_t sys_safe_call(Syscall::ID id, size_t p1, size_t p2,
}
[[gnu::always_inline]] static inline int write(int fd, const void *buf, size_t len, int x = -1, int y = -1) {
return sys_call(Syscall::ID::WRITE, fd, (size_t)buf, len, x, y);
return sys_call(Syscall::ID::WRITE, fd, (size_t)buf, len, x, y);
}
[[gnu::always_inline]] static inline int sem_init(int fd, int semid, int value) {
return sys_call(Syscall::ID::SEM_INIT, fd, semid, value, 0,0);
}
[[gnu::always_inline]] static inline int sem_destroy(int fd, int semid) {
return sys_call(Syscall::ID::SEM_DESTROY, fd, semid,0,0,0);
}
[[gnu::always_inline]] static inline int sem_wait(int fd, int semid) {
return sys_call(Syscall::ID::SEM_WAIT, fd, semid,0,0,0);
}
[[gnu::always_inline]] static inline int sem_signal(int fd, int semid) {
return sys_call(Syscall::ID::SEM_SIGNAL, fd, semid,0,0,0);
}