*/
/** \file signal.c signal handling functions */
+
+
#include "para.h"
+#include "fd.h"
+
+#include <signal.h>
+
#include "error.h"
static int signal_pipe[2];
*/
int para_signal_init(void)
{
- int i;
+ int ret = -E_SIGNAL_PIPE;
if (pipe(signal_pipe))
goto err_out;
- for (i = 0; i < 2; i++) {
- int fd = signal_pipe[i], flags = fcntl(fd, F_GETFL);
- if (flags < 0)
- goto err_out;
- if (fcntl(fd, F_SETFL, ((long)flags) | O_NONBLOCK) < 0)
- goto err_out;
- }
+ ret = mark_fd_nonblock(signal_pipe[0]);
+ if (ret < 0)
+ goto err_out;
+ ret = mark_fd_nonblock(signal_pipe[1]);
+ if (ret < 0)
+ goto err_out;
return signal_pipe[0];
err_out:
- PARA_EMERG_LOG("%s", "pipe error: Can not setup signal pipe");
+ PARA_EMERG_LOG("%s\n", PARA_STRERROR(-ret));
exit(EXIT_FAILURE);
}
if (pid <= 0) {
if (pid < 0)
pid = -E_WAITPID;
- return 0;
+ return pid;
}
if (WIFEXITED(status))
PARA_DEBUG_LOG("child %i exited. Exit status: %i\n", pid,