rewrite in C

1 files changed, 0 insertions, 81 deletions

diff --git a/module-test/self_pipe.cc b/module-test/self_pipe.cc
deleted file mode 100644
index 808cdd0..0000000
--- a/module-test/self_pipe.cc
+++ /dev/null
@@ -1,81 +0,0 @@
-/*
- *
- * test self pipe
-   $ g++ \
-   module-test/self_pipe.cc \
-   -std=c++26 \
-   -O0 -ggdb3 -fno-omit-frame-pointer -fno-inline -D_GLIBCXX_ASSERTIONS \
-   -o module-test/self_pipe.out
- */
-
-#include <iostream>
-#include <sys/select.h>
-#include <unistd.h>
-#include <signal.h>
-
-using namespace std;
-
-typedef void handler_t(int);
-handler_t *Signal(int signum, handler_t *handler);
-void sigusr1_handler(int signum);
-int my_read(char *s, int len);
-
-int self_pipe_fd[2] = {-1, -1};
-
-
-
-void sigusr1_handler(int signum)
-{
-    char tmp = 'A';
-    write(self_pipe_fd[1], &tmp, 1);
-}
-
-int my_read(char *s, int len)
-{
-    int max_fd;
-    if (STDIN_FILENO > self_pipe_fd[0]) max_fd = STDIN_FILENO;
-    else max_fd = self_pipe_fd[0];
-    fd_set rset;
-    FD_ZERO(&rset);
-    FD_SET(STDIN_FILENO, &rset);
-    FD_SET(self_pipe_fd[0], &rset);
-    select(max_fd+1, &rset, nullptr, nullptr, nullptr);
-    if (FD_ISSET(self_pipe_fd[0], &rset))
-    {
-        return read(self_pipe_fd[0], s, len);
-    }
-    else if (FD_ISSET(STDIN_FILENO, &rset))
-    {
-        return read(STDIN_FILENO, s, len);
-    }
-    return -1;
-}
-
-
-handler_t *Signal(int signum, handler_t *handler) 
-{
-    struct sigaction action, old_action;
-
-    action.sa_handler = handler;  
-    sigemptyset(&action.sa_mask); /* block sigs of type being handled */
-    action.sa_flags = SA_RESTART; /* restart syscalls if possible */
-
-    sigaction(signum, &action, &old_action);
-    return (old_action.sa_handler);
-}
-
-int main()
-{
-    Signal(SIGUSR1, sigusr1_handler);
-    pipe(self_pipe_fd);
-    cout << "Running PID: " << getpid() << endl;
-    cout << "Do not enter anything" << endl;
-
-    constexpr int tmp_size = 1024;
-    char tmp[tmp_size];
-    while (my_read(tmp, tmp_size))
-        cout << "Hi" << endl;
-
-    cout << "Finished" << endl;
-    return 0;
-}
\ No newline at end of file