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feat: Add signals, exec/wait, and FD/pipe support

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Introduce process lifecycle and POSIX-like features: add parent_pid, pgid, exited/exit_status, signal state and handlers, waitpid/reap, and an exec-replace function. Refactor file descriptor handling to use fd_kind/fd_flags with reference-counted file refs and in-process pipes; implement open/read/write/close/seek/tell/size/dup/dup2/pipe/fcntl semantics and O_* flags. Add syscall handlers for exec, waitpid, kill/signal, sigaction, sigprocmask, sigpending, meminfo/ticks and map many SYSTEM_CMD_* constants; deliver signals from the syscall path. Cleanup/terminate logic updated to free resources correctly and initialize kernel/user processes with new state. Misc: minor syscall/table renames (wallpaper), helper utilities (process_close_fd_inner, process_init_signal_state) and paging/stack handling for exec.
This commit is contained in:
boreddevnl
2026-04-20 00:03:52 +02:00
parent ae8c7e21ac
commit af5eda1647
35 changed files with 2234 additions and 208 deletions
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10
src/userland/gui/browser.c
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@@ -313,7 +313,7 @@ static int fetch_content(const char *url, char *dest_buf, int max_len, bool prog
int total = 0;
int last_render = 0;
if (progressive) inc_parse_offset = 0;
long long last_data_tick = sys_system(16, 0, 0, 0, 0);
long long last_data_tick = sys_system(SYSTEM_CMD_GET_TICKS, 0, 0, 0, 0);
while (1) {
int len = sys_tcp_recv_nb(dest_buf + total, max_len - 1 - total);
@@ -321,7 +321,7 @@ static int fetch_content(const char *url, char *dest_buf, int max_len, bool prog
if (len == -2) break;
if (len == 0) {
long long now = sys_system(16, 0, 0, 0, 0);
long long now = sys_system(SYSTEM_CMD_GET_TICKS, 0, 0, 0, 0);
if (now > last_data_tick + 1800) break; // 30 sec timeout
gui_event_t ev;
@@ -353,7 +353,7 @@ static int fetch_content(const char *url, char *dest_buf, int max_len, bool prog
continue;
}
last_data_tick = sys_system(16, 0, 0, 0, 0);
last_data_tick = sys_system(SYSTEM_CMD_GET_TICKS, 0, 0, 0, 0);
total += len;
if (total >= max_len - 1) break;
@@ -461,7 +461,7 @@ static void decode_image(unsigned char *data, int len, RenderElement *el) {
el->img_delays = malloc(frame_count * sizeof(int));
el->img_frame_count = frame_count;
el->img_current_frame = 0;
el->next_frame_tick = sys_system(16, 0, 0, 0, 0) + (delays[0] * 60 / 1000);
el->next_frame_tick = sys_system(SYSTEM_CMD_GET_TICKS, 0, 0, 0, 0) + (delays[0] * 60 / 1000);
uint32_t step_x = (img_w_orig << 16) / fit_w;
uint32_t step_y = (img_h_orig << 16) / fit_h;
@@ -2116,7 +2116,7 @@ int main(int argc, char **argv) {
// Animated GIF progress
bool gif_updated = false;
long long now = sys_system(16, 0, 0, 0, 0);
long long now = sys_system(SYSTEM_CMD_GET_TICKS, 0, 0, 0, 0);
for (int i = 0; i < element_count; i++) {
if (elements[i].tag == TAG_IMG && elements[i].img_frames && elements[i].img_frame_count > 1) {
if (now >= elements[i].next_frame_tick) {