diff options
Diffstat (limited to 'include/libbb.h')
| -rw-r--r-- | include/libbb.h | 35 |
1 files changed, 20 insertions, 15 deletions
diff --git a/include/libbb.h b/include/libbb.h index 4fc5d18..cec31a7 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -269,17 +269,6 @@ char *xrealloc_getcwd_or_warn(char *cwd); char *xmalloc_readlink_or_warn(const char *path); char *xmalloc_realpath(const char *path); -/* Unlike waitpid, waits ONLY for one process, - * It's safe to pass negative 'pids' from failed [v]fork - - * wait4pid will return -1 and ECHILD in errno. - * IOW: rc = wait4pid(spawn(argv)); - * if (rc < 0) bb_perror_msg("%s", argv[0]); - * if (rc > 0) bb_error_msg("exit code: %d", rc); - */ -extern int wait4pid(int pid); -extern int wait_pid(int *wstat, int pid); -extern int wait_nohang(int *wstat); -//TODO: signal(sid, f) is the same? then why? extern void sig_catch(int,void (*)(int)); //#define sig_ignore(s) (sig_catch((s), SIG_IGN)) //#define sig_uncatch(s) (sig_catch((s), SIG_DFL)) @@ -288,10 +277,6 @@ extern void sig_unblock(int); /* UNUSED: extern void sig_blocknone(void); */ extern void sig_pause(void); -#define wait_crashed(w) ((w) & 127) -#define wait_exitcode(w) ((w) >> 8) -#define wait_stopsig(w) ((w) >> 8) -#define wait_stopped(w) (((w) & 127) == 127) void xsetgid(gid_t gid); @@ -528,6 +513,25 @@ int bb_execvp(const char *file, char *const argv[]); /* NOMMU friendy fork+exec */ pid_t spawn(char **argv); pid_t xspawn(char **argv); + +/* Unlike waitpid, waits ONLY for one process, + * It's safe to pass negative 'pids' from failed [v]fork - + * wait4pid will return -1 and ECHILD in errno. + * IOW: rc = wait4pid(spawn(argv)); + * if (rc < 0) bb_perror_msg("%s", argv[0]); + * if (rc > 0) bb_error_msg("exit code: %d", rc); + */ +int wait_pid(int *wstat, int pid); +int wait_nohang(int *wstat); +int wait4pid(int pid); +//TODO: signal(sid, f) is the same? then why? +#define wait_crashed(w) ((w) & 127) +#define wait_exitcode(w) ((w) >> 8) +#define wait_stopsig(w) ((w) >> 8) +#define wait_stopped(w) (((w) & 127) == 127) +/* wait4pid(spawn(argv)) + NOFORK/NOEXEC (if configured) */ +int spawn_and_wait(char **argv); + /* Helpers for daemonization. * * bb_daemonize(flags) = daemonize, does not compile on NOMMU @@ -573,6 +577,7 @@ void bb_daemonize_or_rexec(int flags, char **argv); void bb_sanitize_stdio(void); +// TODO: always error out? enum { BB_GETOPT_ERROR = 0x80000000 }; extern const char *opt_complementary; #if ENABLE_GETOPT_LONG |