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tty: add ttyname ioctl

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Matheus
2024-05-28 18:12:05 -03:00
parent 1dd262fcca
commit 35eca115f5
2 changed files with 29 additions and 2 deletions
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patches/mlibc/jinx-working-patch.patch
+22 -2
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@@ -192,10 +192,10 @@ index 0000000..e5b087a
+
diff --git mlibc-workdir/sysdeps/astral/generic/generic.cpp mlibc-workdir/sysdeps/astral/generic/generic.cpp
new file mode 100644
index 0000000..e94f84f
index 0000000..0755fba
--- /dev/null
+++ mlibc-workdir/sysdeps/astral/generic/generic.cpp
@@ -0,0 +1,694 @@
@@ -0,0 +1,714 @@
+#include <bits/ensure.h>
+#include <mlibc/debug.hpp>
+#include <mlibc/all-sysdeps.hpp>
@@ -284,6 +284,26 @@ index 0000000..e94f84f
+ return ENOSYS;
+ }
+
+ #ifndef MLIBC_BUILDING_RTLD
+ #define TTY_IOCTL_NAME 0x771101141113l
+ #define TTY_NAME_MAX 32
+ #define TTY_PREFIX "/dev/"
+
+
+ int sys_ttyname(int fd, char * buffer, size_t size) {
+ size_t prefixlen = strlen(TTY_PREFIX);
+ if (size < TTY_NAME_MAX + prefixlen) {
+ mlibc::panicLogger() << "ttyname size too small" << frg::endlog;
+ __builtin_unreachable();
+ }
+
+ strcpy(buffer, TTY_PREFIX);
+
+ int res;
+ return sys_ioctl(fd, TTY_IOCTL_NAME, (void *)(buffer + prefixlen), &res);
+ }
+ #endif
+
+ int sys_fsync(int fd) {
+ long ret;
+ return syscall(SYSCALL_FSYNC, &ret, fd);