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Diffstat (limited to 'libbb')
-rw-r--r--libbb/vfork_daemon_rexec.c19
1 files changed, 9 insertions, 10 deletions
diff --git a/libbb/vfork_daemon_rexec.c b/libbb/vfork_daemon_rexec.c
index 50dc3affe..f64239a96 100644
--- a/libbb/vfork_daemon_rexec.c
+++ b/libbb/vfork_daemon_rexec.c
@@ -251,35 +251,33 @@ void FAST_FUNC re_exec(char **argv)
bb_perror_msg_and_die("exec %s", bb_busybox_exec_path);
}
-void FAST_FUNC forkexit_or_rexec(char **argv)
+pid_t FAST_FUNC fork_or_rexec(char **argv)
{
pid_t pid;
/* Maybe we are already re-execed and come here again? */
if (re_execed)
- return;
+ return 0; /* child */
pid = vfork();
if (pid < 0) /* wtf? */
bb_perror_msg_and_die("vfork");
if (pid) /* parent */
- exit(EXIT_SUCCESS);
+ return pid;
/* child - re-exec ourself */
re_exec(argv);
}
#else
/* Dance around (void)...*/
-#undef forkexit_or_rexec
-void FAST_FUNC forkexit_or_rexec(void)
+#undef fork_or_rexec
+pid_t FAST_FUNC fork_or_rexec(void)
{
pid_t pid;
pid = fork();
if (pid < 0) /* wtf? */
bb_perror_msg_and_die("fork");
- if (pid) /* parent */
- exit(EXIT_SUCCESS);
- /* child */
+ return pid;
}
-#define forkexit_or_rexec(argv) forkexit_or_rexec()
+#define fork_or_rexec(argv) fork_or_rexec()
#endif
/* Due to a #define in libbb.h on MMU systems we actually have 1 argument -
@@ -310,7 +308,8 @@ void FAST_FUNC bb_daemonize_or_rexec(int flags, char **argv)
fd = dup(fd); /* have 0,1,2 open at least to /dev/null */
if (!(flags & DAEMON_ONLY_SANITIZE)) {
- forkexit_or_rexec(argv);
+ if (fork_or_rexec(argv))
+ exit(EXIT_SUCCESS); /* parent */
/* if daemonizing, make sure we detach from stdio & ctty */
setsid();
dup2(fd, 0);