LeonMMcoset/cleonos
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fd子系统2

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Leonmmcoset
2026-04-18 12:21:01 +08:00
parent db1b849957
commit caf948f4f6
3 changed files with 196 additions and 35 deletions
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46
cleonos/c/apps/shell/shell_util.c
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@@ -225,6 +225,9 @@ static u64 ush_out_capture_length = 0ULL;
static int ush_out_capture_active = 0;
static int ush_out_capture_mirror_tty = 1;
static int ush_out_capture_truncated = 0;
static u64 ush_out_fd = (u64)-1;
static int ush_out_fd_active = 0;
static int ush_out_fd_mirror_tty = 1;
static void ush_output_capture_append(const char *text, u64 len) {
u64 writable;
@@ -295,8 +298,21 @@ int ush_output_capture_truncated(void) {
return ush_out_capture_truncated;
}
void ush_output_fd_begin(u64 fd, int mirror_to_tty) {
ush_out_fd = fd;
ush_out_fd_active = 1;
ush_out_fd_mirror_tty = (mirror_to_tty != 0) ? 1 : 0;
}
void ush_output_fd_end(void) {
ush_out_fd = (u64)-1;
ush_out_fd_active = 0;
ush_out_fd_mirror_tty = 1;
}
void ush_write(const char *text) {
u64 len;
int should_write_tty = 1;
if (text == (const char *)0) {
return;
@@ -312,23 +328,45 @@ void ush_write(const char *text) {
ush_output_capture_append(text, len);
if (ush_out_capture_mirror_tty == 0) {
return;
should_write_tty = 0;
}
}
(void)cleonos_sys_tty_write(text, len);
if (ush_out_fd_active != 0 && ush_out_fd != (u64)-1) {
(void)cleonos_sys_fd_write(ush_out_fd, text, len);
if (ush_out_fd_mirror_tty == 0) {
should_write_tty = 0;
}
}
if (should_write_tty != 0) {
(void)cleonos_sys_tty_write(text, len);
}
}
void ush_write_char(char ch) {
int should_write_tty = 1;
if (ush_out_capture_active != 0) {
ush_output_capture_append(&ch, 1ULL);
if (ush_out_capture_mirror_tty == 0) {
return;
should_write_tty = 0;
}
}
(void)cleonos_sys_tty_write_char(ch);
if (ush_out_fd_active != 0 && ush_out_fd != (u64)-1) {
(void)cleonos_sys_fd_write(ush_out_fd, &ch, 1ULL);
if (ush_out_fd_mirror_tty == 0) {
should_write_tty = 0;
}
}
if (should_write_tty != 0) {
(void)cleonos_sys_tty_write_char(ch);
}
}
void ush_writeln(const char *text) {