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Kernel/LibC: remove SYS_TERMID 

This syscall is not needed. /dev/tty is already a symlink to the
controlling terminal. Also this syscall did not handle pseudo terminals
This commit is contained in:
Bananymous 2026-01-16 15:57:36 +02:00
parent 1d07151743
commit 0299d4d44e
4 changed files with 1 additions and 23 deletions
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2
kernel/include/kernel/Process.h
View File

@ -218,8 +218,6 @@ namespace Kernel
BAN::ErrorOr<long> sys_tcgetpgrp(int fd);
BAN::ErrorOr<long> sys_tcsetpgrp(int fd, pid_t pgid);
BAN::ErrorOr<long> sys_termid(char*);
BAN::ErrorOr<long> sys_clock_gettime(clockid_t, timespec*);
BAN::ErrorOr<long> sys_load_keymap(const char* path);

19
kernel/kernel/Process.cpp
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@ -2741,26 +2741,7 @@ namespace Kernel
return 0;
}
BAN::ErrorOr<long> Process::sys_termid(char* buffer)
{
LockGuard _(m_process_lock);
TRY(validate_string_access(buffer));
auto& tty = m_controlling_terminal;
if (!tty)
buffer[0] = '\0';
else
{
ASSERT(minor(tty->rdev()) < 10);
strcpy(buffer, "/dev/tty0");
buffer[8] += minor(tty->rdev());
}
return 0;
}
BAN::ErrorOr<long> Process::sys_clock_gettime(clockid_t clock_id, timespec* tp)
{
LockGuard _(m_process_lock);

1
userspace/libraries/LibC/include/sys/syscall.h
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@ -9,7 +9,6 @@ __BEGIN_DECLS
O(SYS_EXIT, exit) \
O(SYS_READ, read) \
O(SYS_WRITE, write) \
O(SYS_TERMID, termid) \
O(SYS_CLOSE, close) \
O(SYS_OPENAT, openat) \
O(SYS_SEEK, seek) \

2
userspace/libraries/LibC/stdio.cpp
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@ -138,7 +138,7 @@ char* ctermid(char* buffer)
{
static char s_buffer[L_ctermid];
char* target = buffer ? buffer : s_buffer;
syscall(SYS_TERMID, target);
strcpy(buffer, "/dev/tty");
return target;
}