diff options
Diffstat (limited to 'libbb/vfork_daemon_rexec.c')
| -rw-r--r-- | libbb/vfork_daemon_rexec.c | 23 |
1 files changed, 18 insertions, 5 deletions
diff --git a/libbb/vfork_daemon_rexec.c b/libbb/vfork_daemon_rexec.c index 286ee26..dabd1a6 100644 --- a/libbb/vfork_daemon_rexec.c +++ b/libbb/vfork_daemon_rexec.c @@ -16,7 +16,7 @@ */ #include <paths.h> -#include "busybox.h" /* for struct BB_applet */ +#include "busybox.h" /* for struct bb_applet */ /* This does a fork/exec in one call, using vfork(). Returns PID of new child, * -1 for failure. Runs argv[0], searching path if that has no / in it. */ @@ -104,8 +104,9 @@ int spawn_and_wait(char **argv) { int rc; - if (ENABLE_FEATURE_EXEC_PREFER_APPLETS) { - const struct BB_applet *a = find_applet_by_name(argv[0]); +#if ENABLE_FEATURE_EXEC_PREFER_APPLETS + { + const struct bb_applet *a = find_applet_by_name(argv[0]); if (a && (a->nofork #ifndef BB_NOMMU || a->noexec /* NOEXEC cannot be used on NOMMU */ @@ -120,19 +121,27 @@ int spawn_and_wait(char **argv) #endif { int old_sleep = die_sleep; + int old_x = xfunc_error_retval; die_sleep = -1; /* special flag */ - /* sleep_and_die() checks for it */ + /* xfunc_die() checks for it */ + rc = setjmp(die_jmp); if (!rc) { - const struct BB_applet *old_a = current_applet; + const struct bb_applet *old_a = current_applet; current_applet = a; applet_name = a->name; // what else should we save/restore? rc = a->main(argc, argv); current_applet = old_a; applet_name = old_a->name; + } else { + /* xfunc died in NOFORK applet */ + if (rc == -111) + rc = 0; } + die_sleep = old_sleep; + xfunc_error_retval = old_x; return rc; } #ifndef BB_NOMMU /* MMU only */ @@ -145,9 +154,13 @@ int spawn_and_wait(char **argv) run_current_applet_and_exit(argc, argv); #endif } + } rc = spawn(argv); w: +#else /* !FEATURE_EXEC_PREFER_APPLETS */ + rc = spawn(argv); +#endif /* FEATURE_EXEC_PREFER_APPLETS */ return wait4pid(rc); } |