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Merge branch 'master' of gitlab.ibr.cs.tu-bs.de:vss/teaching/ws25/v_bsb2/Gruppe_003

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This commit is contained in:
Eggert Jung
2025-12-02 17:24:18 +01:00
parent c626887bed 2848ef3ae4
commit 7459a36100
6 changed files with 72 additions and 20 deletions
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25
kernel/syscall/stub.h
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@@ -9,6 +9,14 @@ 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
@@ -26,9 +34,24 @@ 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 read(int fd, void *buf, size_t len){
return sys_call(Syscall::ID::READ, fd, (size_t)buf, len, 0, 0);
}
[[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);
}