1 files changed, 0 insertions, 276 deletions
diff --git a/packages/busybox/busybox-1.00/udhcppidfile.patch b/packages/busybox/busybox-1.00/udhcppidfile.patch
deleted file mode 100644
index fb2b2ec19a..0000000000
--- a/packages/busybox/busybox-1.00/udhcppidfile.patch
+++ /dev/null
@@ -1,276 +0,0 @@
---- busybox-1.00/networking/udhcp/pidfile.h-dist	2004-04-15 03:51:26.000000000 +1000
-+++ busybox-1.00/networking/udhcp/pidfile.h	2004-10-27 15:46:38.000000000 +1000
-@@ -21,5 +21,5 @@
- 
- 
- int pidfile_acquire(const char *pidfile);
--void pidfile_write_release(int pid_fd);
-+int pidfile_reassign(const char *pidfile, int newpid);
- 
---- busybox-1.00/networking/udhcp/pidfile.c-dist	2004-04-15 03:51:25.000000000 +1000
-+++ busybox-1.00/networking/udhcp/pidfile.c	2004-10-27 19:43:40.000000000 +1000
-@@ -25,6 +25,7 @@
- #include <unistd.h>
- #include <stdio.h>
- #include <stdlib.h>
-+#include <errno.h>
- 
- #include "pidfile.h"
- #include "common.h"
-@@ -37,39 +38,146 @@
- }
- 
- 
--int pidfile_acquire(const char *pidfile)
-+static int pidfile_open(const char *pidfile)
- {
--	int pid_fd;
--	if (!pidfile) return -1;
-+	int fd;
- 
--	pid_fd = open(pidfile, O_CREAT | O_WRONLY, 0644);
--	if (pid_fd < 0) {
--		LOG(LOG_ERR, "Unable to open pidfile %s: %m\n", pidfile);
--	} else {
--		lockf(pid_fd, F_LOCK, 0);
--		if (!saved_pidfile)
--			atexit(pidfile_delete);
--		saved_pidfile = (char *) pidfile;
-+	if ((fd = open(pidfile, O_CREAT | O_RDWR, 0644)) < 0) {
-+		LOG(LOG_ERR, "pidfile_open: open %s failed: %m\n", pidfile);
-+		return (-1);
-+	}
-+
-+	/* NOTE: lockf is not inherited by child after fork */
-+	if (lockf(fd, F_LOCK, 0) < 0) {
-+		LOG(LOG_ERR, "pidfile_open: lock %s failed: %m\n", pidfile);
-+		close(fd);
-+		return (-1);
-+	}
-+
-+	return (fd);
-+}
-+
-+
-+static int pidfile_check(int fd, const char *pidfile)
-+{
-+	int len, pid;
-+	char buf[20];
-+
-+	if (lseek(fd, 0L, SEEK_SET) < 0) {
-+		LOG(LOG_ERR, "pidfile_check: lseek %s failed: %m\n", pidfile);
-+		return (-1);
-+	}
-+
-+	if ((len = read(fd, buf, sizeof buf - 1)) < 0) {
-+		LOG(LOG_ERR, "pidfile_check: read %s failed: %m\n", pidfile);
-+		return (-1);
-+	}
-+
-+	if (len == 0)
-+		return (0);
-+
-+	buf[len] = '\0';
-+
-+	if ((pid = atoi(buf)) <= 1) {
-+		LOG(LOG_WARNING,
-+			"pidfile_check: ignoring bogus pid (%s) in %s\n",
-+			buf, pidfile);
-+		return (0);
-+	}
-+
-+	if (kill((pid_t)pid, 0) == 0) {
-+		LOG(LOG_ERR, "pidfile_check: process %d exists (%s)\n",
-+			pid, pidfile);
-+		return (-1);
-+	}
-+
-+	if (errno != ESRCH) {
-+		LOG(LOG_ERR, "pidfile_check: kill %d failed (%s): %m\n",
-+			pid, pidfile);
-+		return (-1);
-+	}
-+
-+	return (0);
-+}
-+
-+
-+static int pidfile_store(int fd, const char *pidfile, int pid)
-+{
-+	int len;
-+	char buf[20];
-+
-+	if (lseek(fd, 0L, SEEK_SET) < 0) {
-+		LOG(LOG_ERR, "pidfile_store: lseek %s failed: %m\n", pidfile);
-+		return (-1);
-+	}
-+
-+	len = snprintf(buf, sizeof buf - 1, "%d\n", pid);
-+	buf[len] = '\0';
-+
-+	if (write(fd, buf, len) < 0) {
-+		LOG(LOG_ERR, "pidfile_store: write %s failed: %m\n",
-+			pidfile);
-+		return (-1);
-+	}
-+
-+	if (ftruncate(fd, len) < 0) {
-+		LOG(LOG_ERR, "pidfile_store: ftruncate %d failed (%s): %m\n",
-+			len, pidfile);
-+		return (-1);
- 	}
- 
--	return pid_fd;
-+	return (0);
- }
- 
- 
--void pidfile_write_release(int pid_fd)
-+static void pidfile_close(int fd)
- {
--	FILE *out;
-+	(void)lseek(fd, 0L, SEEK_SET);
-+	(void)lockf(fd, F_ULOCK, 0);
-+	(void)close(fd);
-+}
- 
--	if (pid_fd < 0) return;
- 
--	if ((out = fdopen(pid_fd, "w")) != NULL) {
--		fprintf(out, "%d\n", getpid());
--		fclose(out);
-+int pidfile_acquire(const char *pidfile)
-+{
-+	int fd, result;
-+	if (!pidfile) return (-1);
-+
-+	if ((fd = pidfile_open(pidfile)) < 0)
-+		return (-1);
-+
-+	if ((result = pidfile_check(fd, pidfile)) == 0)
-+		result = pidfile_store(fd, pidfile, getpid());
-+
-+	pidfile_close(fd);
-+
-+	if (result == 0) {
-+		saved_pidfile = (char *) pidfile;
-+		atexit(pidfile_delete);
- 	}
--	lockf(pid_fd, F_UNLCK, 0);
--	close(pid_fd);
-+
-+	return (result);
- }
- 
- 
-+/*
-+ * reassign the pid in a pidfile - used just after a fork so a parent
-+ * can store the pid of its child into the file without any window
-+ * where the pid in the file is a dead process (which might let another
-+ * instance of the program start). Note the parent must use _exit() to
-+ * avoid triggering the unlink scheduled above in pidfile_acquire()
-+ */
-+int pidfile_reassign(const char *pidfile, int pid)
-+{
-+	int fd, result;
-+	if (!pidfile) return (-1);
-+
-+	if ((fd = pidfile_open(pidfile)) < 0)
-+		return (-1);
- 
-+	result = pidfile_store(fd, pidfile, pid);
- 
-+	pidfile_close(fd);
-+
-+	return (result);
-+}
---- busybox-1.00/networking/udhcp/common.c-dist	2004-05-19 19:18:04.000000000 +1000
-+++ busybox-1.00/networking/udhcp/common.c	2004-10-27 19:58:10.000000000 +1000
-@@ -64,16 +64,34 @@
- #ifdef __uClinux__
- 	LOG(LOG_ERR, "Cannot background in uclinux (yet)");
- #else /* __uClinux__ */
--	int pid_fd;
-+	int pid, fd;
- 
--	/* hold lock during fork. */
--	pid_fd = pidfile_acquire(pidfile);
--	if (daemon(0, 0) == -1) {
-+	/* NOTE: lockf is not inherited by the child after fork */
-+	if ((pid = fork()) < 0) {
- 		perror("fork");
- 		exit(1);
- 	}
-+
-+	if (pid > 0) {
-+		/* parent */
-+		if (pidfile_reassign(pidfile, pid) < 0) {
-+			(void)kill(pid, SIGKILL);
-+			exit(1);
-+		} else
-+			_exit(0);
-+	}
-+
-+	/* child */
-+	(void)chdir("/");
-+	if ((fd = open("/dev/null", O_RDWR)) >= 0) {
-+		(void)dup2(fd, 0);
-+		(void)dup2(fd, 1);
-+		(void)dup2(fd, 2);
-+		(void)close(fd);
-+	}
-+	(void)setsid();
-+
- 	daemonized++;
--	pidfile_write_release(pid_fd);
- #endif /* __uClinux__ */
- }
- 
-@@ -97,14 +115,12 @@
- 
- void start_log_and_pid(const char *client_server, const char *pidfile)
- {
--	int pid_fd;
--
- 	/* Make sure our syslog fd isn't overwritten */
- 	sanitize_fds();
- 
- 	/* do some other misc startup stuff while we are here to save bytes */
--	pid_fd = pidfile_acquire(pidfile);
--	pidfile_write_release(pid_fd);
-+	if (pidfile_acquire(pidfile) < 0)
-+		exit(1);
- 
- 	/* equivelent of doing a fflush after every \n */
- 	setlinebuf(stdout);
-@@ -150,8 +166,8 @@
- 	sanitize_fds();
- 
- 	/* do some other misc startup stuff while we are here to save bytes */
--	pid_fd = pidfile_acquire(pidfile);
--	pidfile_write_release(pid_fd);
-+	if (pidfile_acquire(pidfile) < 0)
-+		exit(1);
- 
- 	/* equivelent of doing a fflush after every \n */
- 	setlinebuf(stdout);
---- busybox-1.00/networking/udhcp/common.h-dist	2004-05-19 18:29:05.000000000 +1000
-+++ busybox-1.00/networking/udhcp/common.h	2004-10-27 15:10:16.000000000 +1000
-@@ -42,7 +42,6 @@
- long uptime(void);
- void background(const char *pidfile);
- void start_log_and_pid(const char *client_server, const char *pidfile);
--void background(const char *pidfile);
- void udhcp_logging(int level, const char *fmt, ...);
-                                                             
- #define LOG(level, str, args...) udhcp_logging(level, str, ## args)
---- busybox-1.00/networking/udhcp/script.c-dist	2004-05-19 17:45:47.000000000 +1000
-+++ busybox-1.00/networking/udhcp/script.c	2004-10-27 15:54:04.000000000 +1000
-@@ -228,6 +228,6 @@
- 		execle(client_config.script, client_config.script,
- 		       name, NULL, envp);
- 		LOG(LOG_ERR, "script %s failed: %m", client_config.script);
--		exit(1);
-+		_exit(1);
- 	}
- }