diff options
Diffstat (limited to 'libbb')
-rw-r--r-- | libbb/Makefile.in | 2 | ||||
-rw-r--r-- | libbb/vfork_daemon_rexec.c | 27 |
2 files changed, 28 insertions, 1 deletions
diff --git a/libbb/Makefile.in b/libbb/Makefile.in index c4886e3ff..b60adc959 100644 --- a/libbb/Makefile.in +++ b/libbb/Makefile.in | |||
@@ -48,7 +48,7 @@ LIBBB_SRC:= \ | |||
48 | fclose_nonstdin.c fflush_stdout_and_exit.c getopt_ulflags.c \ | 48 | fclose_nonstdin.c fflush_stdout_and_exit.c getopt_ulflags.c \ |
49 | default_error_retval.c wfopen_input.c speed_table.c \ | 49 | default_error_retval.c wfopen_input.c speed_table.c \ |
50 | perror_nomsg_and_die.c perror_nomsg.c skip_whitespace.c \ | 50 | perror_nomsg_and_die.c perror_nomsg.c skip_whitespace.c \ |
51 | warn_ignoring_args.c concat_subpath_file.c | 51 | warn_ignoring_args.c concat_subpath_file.c vfork_daemon_rexec.c |
52 | 52 | ||
53 | LIBBB_OBJS=$(patsubst %.c,$(LIBBB_DIR)%.o, $(LIBBB_SRC)) | 53 | LIBBB_OBJS=$(patsubst %.c,$(LIBBB_DIR)%.o, $(LIBBB_SRC)) |
54 | 54 | ||
diff --git a/libbb/vfork_daemon_rexec.c b/libbb/vfork_daemon_rexec.c new file mode 100644 index 000000000..c8f9d277e --- /dev/null +++ b/libbb/vfork_daemon_rexec.c | |||
@@ -0,0 +1,27 @@ | |||
1 | /* | ||
2 | * Rexec program for system have fork() as vfork() with foregound option | ||
3 | * Copyright (C) Vladminr Oleynik and many different people. | ||
4 | */ | ||
5 | |||
6 | #include <unistd.h> | ||
7 | #include "libbb.h" | ||
8 | |||
9 | |||
10 | #if defined(__uClinux__) | ||
11 | void vfork_daemon_rexec(int argc, char **argv, char *foreground_opt) | ||
12 | { | ||
13 | char **vfork_args; | ||
14 | int a = 0; | ||
15 | |||
16 | vfork_args = xcalloc(sizeof(char *), argc + 3); | ||
17 | while(*argv) { | ||
18 | vfork_args[a++] = *argv; | ||
19 | argv++; | ||
20 | } | ||
21 | vfork_args[a] = foreground_opt; | ||
22 | execvp("/proc/self/exe", vfork_args); | ||
23 | vfork_args[0] = "/bin/busybox"; | ||
24 | execv(vfork_args[0], vfork_args); | ||
25 | bb_perror_msg_and_die("execv %s", vfork_args[0]); | ||
26 | } | ||
27 | #endif /* uClinux */ | ||