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authorDenis Vlasenko2007-04-09 13:04:50 +0000
committerDenis Vlasenko2007-04-09 13:04:50 +0000
commit7e754f12d304704d44e10fd4d2fdb8710526656e (patch)
tree9aa16703d48b9a7a38ccaec3759a19e95e976383 /findutils
parent2dfdd44d9d6c3984501683bbac2e78b18eeae1e7 (diff)
downloadbusybox-7e754f12d304704d44e10fd4d2fdb8710526656e.zip
busybox-7e754f12d304704d44e10fd4d2fdb8710526656e.tar.gz
Implement first instance of NOFORK applet - echo
find: use NOFORK/NOEXEC; small -exec buglet also eliminated vfork_daemon_rexec: honor PREFER_APPLETS echo: small size improvements find -exec echo {} \; with PREFER_APPLETS=y runs 4 times faster
Diffstat (limited to 'findutils')
-rw-r--r--findutils/find.c25
1 files changed, 23 insertions, 2 deletions
diff --git a/findutils/find.c b/findutils/find.c
index 594eafc..7b5a09d 100644
--- a/findutils/find.c
+++ b/findutils/find.c
@@ -242,9 +242,30 @@ ACTF(exec)
for (i = 0; i < ap->exec_argc; i++)
argv[i] = subst(ap->exec_argv[i], ap->subst_count[i], fileName);
argv[i] = NULL; /* terminate the list */
- rc = wait4pid(spawn(argv));
- if (rc)
+
+ if (ENABLE_FEATURE_EXEC_PREFER_APPLETS) {
+ const struct BB_applet *a = find_applet_by_name(argv[0]);
+ if (a) {
+ if (a->nofork) {
+ rc = a->main(ap->exec_argc, argv);
+ goto f;
+ }
+#ifndef BB_NOMMU
+ if (a->noexec) {
+ rc = fork();
+ if (rc) goto w;
+ current_applet = a;
+ run_current_applet_and_exit(ap->exec_argc, argv);
+ }
+#endif
+ }
+ }
+ rc = spawn(argv);
+ w:
+ rc = wait4pid(rc);
+ if (rc < 0)
bb_perror_msg("%s", argv[0]);
+ f:
for (i = 0; i < ap->exec_argc; i++)
free(argv[i]);
return rc == 0; /* return 1 if success */