-/*
- * Copyright (C) 1995-2008, Index Data ApS
+/* This file is part of the YAZ toolkit.
+ * Copyright (C) 1995-2011 Index Data
* See the file LICENSE for details.
- *
- * $Id: daemon.c,v 1.1 2008-02-18 17:07:06 adam Exp $
*/
/**
#include <signal.h>
#include <string.h>
#include <errno.h>
+#if HAVE_UNISTD_H
#include <unistd.h>
-#include <assert.h>
+#endif
#include <stdlib.h>
-#include <signal.h>
+#if HAVE_SYS_WAIT_H
#include <sys/wait.h>
+#endif
+
+#if HAVE_SYS_TYPES_H
#include <sys/types.h>
-#include <sys/stat.h>
+#endif
+
#include <fcntl.h>
+
+#if HAVE_PWD_H
#include <pwd.h>
+#endif
+
+#if HAVE_SYS_PRCTL_H
+#include <sys/prctl.h>
+#endif
#include <yaz/daemon.h>
#include <yaz/log.h>
#include <yaz/snprintf.h>
+#if HAVE_PWD_H
static void write_pidfile(int pid_fd)
{
if (pid_fd != -1)
yaz_log(YLOG_FATAL|YLOG_ERRNO, "ftruncate");
exit(1);
}
- if (write(pid_fd, buf, strlen(buf)) != strlen(buf))
+ if (write(pid_fd, buf, strlen(buf)) != (int) strlen(buf))
{
yaz_log(YLOG_FATAL|YLOG_ERRNO, "write");
exit(1);
yaz_log(YLOG_WARN, "Received SIG %d from child %ld",
WTERMSIG(status), (long) p);
cont = 0;
- }
- }
- else if (status == 0)
- cont = 0; /* child exited normally */
- else
- { /* child exited with error */
- yaz_log(YLOG_LOG, "Exit %d from child %ld", status, (long) p);
- cont = 0;
}
+ }
+ else if (status == 0)
+ cont = 0; /* child exited normally */
+ else
+ { /* child exited with error */
+ yaz_log(YLOG_LOG, "Exit %d from child %ld", status, (long) p);
+ cont = 0;
+ }
if (cont) /* respawn slower as we get more errors */
- sleep(1 + run/5);
+ sleep(1 + run/5);
run++;
}
}
+#endif
int yaz_daemon(const char *progname,
unsigned int flags,
void (*work)(void *data), void *data,
const char *pidfile, const char *uid)
{
+#if HAVE_PWD_H
int pid_fd = -1;
/* open pidfile .. defer write until in child and after setuid */
yaz_log(YLOG_FATAL|YLOG_ERRNO, "setuid");
exit(1);
}
+ /* Linux don't produce core dumps evern if the limit is right and
+ files are writable.. This fixes this. See prctl(2) */
+#if HAVE_SYS_PRCTL_H
+#ifdef PR_SET_DUMPABLE
+ prctl(PR_SET_DUMPABLE, 1, 0, 0);
+#endif
+#endif
}
if (flags & YAZ_DAEMON_FORK)
close(1);
close(2);
open("/dev/null", O_RDWR);
- dup(0); dup(0);
+ if (dup(0) == -1)
+ return 1;
+ if (dup(0) == -1)
+ return 1;
close(hand[1]);
}
work(data);
}
return 0;
+#else
+ work(data);
+ return 0;
+#endif
}
/*
* Local variables:
* c-basic-offset: 4
+ * c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab
*/
+