#include "common.h"
-sig_atomic_t sigint = false;
-sig_atomic_t sighup = false;
+sig_atomic_t sigint = false;
+sig_atomic_t sighup = false;
+
+static FILE *pidfile = NULL;
void common_sighandler(int sig)
{
return sock;
}
+int xwrite(int fd, const char *s, size_t l)
+{
+ while (l > 0) {
+ int nb = write(fd, s, l);
+ if (nb < 0) {
+ if (errno == EINTR || errno == EAGAIN)
+ continue;
+ return -1;
+ }
+ l -= nb;
+ }
+ return 0;
+}
+
int daemon_detach(void)
{
pid_t pid;
return 0;
}
+int pidfile_open(const char *name)
+{
+ if (name) {
+ pidfile = fopen(name, "w");
+ if (!pidfile)
+ return -1;
+ fprintf(pidfile, "%d\n", getpid());
+ return fflush(pidfile);
+ }
+ return 0;
+}
+
+int pidfile_refresh(void)
+{
+ if (pidfile) {
+ rewind(pidfile);
+ ftruncate(fileno(pidfile), 0);
+ fprintf(pidfile, "%d\n", getpid());
+ return fflush(pidfile);
+ }
+ return 0;
+}
+
+static void pidfile_close(void)
+{
+ if (pidfile) {
+ rewind(pidfile);
+ ftruncate(fileno(pidfile), 0);
+ fclose(pidfile);
+ pidfile = NULL;
+ }
+}
+
extern initcall_t __madinit[], __madexit[];
static void common_shutdown(void)
{
+ pidfile_close();
+
for (int i = -1; __madexit[i]; i--) {
(*__madexit[i])();
}