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authorDenis Vlasenko2006-10-08 23:36:17 +0000
committerDenis Vlasenko2006-10-08 23:36:17 +0000
commitca3c981c07ade7f8fd50ba4bb452a2fadaddc326 (patch)
tree8763d9f89197adda0ef45ac57418743766345fe4 /debianutils
parent7039a66b58706457c7423de60556e04545432943 (diff)
downloadbusybox-ca3c981c07ade7f8fd50ba4bb452a2fadaddc326.zip
busybox-ca3c981c07ade7f8fd50ba4bb452a2fadaddc326.tar.gz
start_stop_daemon: add -N <nice> compat
[re]nice: add support for -nNNN w/o spaces, -NNN (nice only), simplified code
Diffstat (limited to 'debianutils')
-rw-r--r--debianutils/start_stop_daemon.c73
1 files changed, 43 insertions, 30 deletions
diff --git a/debianutils/start_stop_daemon.c b/debianutils/start_stop_daemon.c
index 6ced9ca..a9f82c5 100644
--- a/debianutils/start_stop_daemon.c
+++ b/debianutils/start_stop_daemon.c
@@ -10,6 +10,7 @@
#include "busybox.h"
#include <getopt.h>
+#include <sys/resource.h>
static int signal_nr = 15;
static int user_id = -1;
@@ -191,38 +192,39 @@ static int do_stop(void)
#if ENABLE_FEATURE_START_STOP_DAEMON_LONG_OPTIONS
static const struct option ssd_long_options[] = {
- { "stop", 0, NULL, 'K' },
- { "start", 0, NULL, 'S' },
- { "background", 0, NULL, 'b' },
- { "quiet", 0, NULL, 'q' },
- { "make-pidfile", 0, NULL, 'm' },
+ { "stop", 0, NULL, 'K' },
+ { "start", 0, NULL, 'S' },
+ { "background", 0, NULL, 'b' },
+ { "quiet", 0, NULL, 'q' },
+ { "make-pidfile", 0, NULL, 'm' },
#if ENABLE_FEATURE_START_STOP_DAEMON_FANCY
- { "oknodo", 0, NULL, 'o' },
- { "verbose", 0, NULL, 'v' },
+ { "oknodo", 0, NULL, 'o' },
+ { "verbose", 0, NULL, 'v' },
+ { "nicelevel", 1, NULL, 'N' },
#endif
- { "startas", 1, NULL, 'a' },
- { "name", 1, NULL, 'n' },
- { "signal", 1, NULL, 's' },
- { "user", 1, NULL, 'u' },
- { "chuid", 1, NULL, 'c' },
- { "exec", 1, NULL, 'x' },
- { "pidfile", 1, NULL, 'p' },
+ { "startas", 1, NULL, 'a' },
+ { "name", 1, NULL, 'n' },
+ { "signal", 1, NULL, 's' },
+ { "user", 1, NULL, 'u' },
+ { "chuid", 1, NULL, 'c' },
+ { "exec", 1, NULL, 'x' },
+ { "pidfile", 1, NULL, 'p' },
#if ENABLE_FEATURE_START_STOP_DAEMON_FANCY
- { "retry", 1, NULL, 'R' },
+ { "retry", 1, NULL, 'R' },
#endif
- { 0, 0, 0, 0 }
+ { 0, 0, 0, 0 }
};
#endif
-#define SSD_CTX_STOP 1
-#define SSD_CTX_START 2
-#define SSD_OPT_BACKGROUND 4
-#define SSD_OPT_QUIET 8
-#define SSD_OPT_MAKEPID 16
+#define SSD_CTX_STOP 0x1
+#define SSD_CTX_START 0x2
+#define SSD_OPT_BACKGROUND 0x4
+#define SSD_OPT_QUIET 0x8
+#define SSD_OPT_MAKEPID 0x10
#if ENABLE_FEATURE_START_STOP_DAEMON_FANCY
-#define SSD_OPT_OKNODO 32
-#define SSD_OPT_VERBOSE 64
-
+#define SSD_OPT_OKNODO 0x20
+#define SSD_OPT_VERBOSE 0x40
+#define SSD_OPT_NICELEVEL 0x80
#endif
int start_stop_daemon_main(int argc, char **argv)
@@ -233,6 +235,7 @@ int start_stop_daemon_main(int argc, char **argv)
#if ENABLE_FEATURE_START_STOP_DAEMON_FANCY
// char *retry_arg = NULL;
// int retries = -1;
+ char *opt_N;
#endif
#if ENABLE_FEATURE_START_STOP_DAEMON_LONG_OPTIONS
applet_long_options = ssd_long_options;
@@ -241,9 +244,10 @@ int start_stop_daemon_main(int argc, char **argv)
/* Check required one context option was given */
opt_complementary = "K:S:?:K--S:S--K:m?p:K?xpun:S?xa";
opt = getopt32(argc, argv, "KSbqm"
-// USE_FEATURE_START_STOP_DAEMON_FANCY("ovR:")
- USE_FEATURE_START_STOP_DAEMON_FANCY("ov")
+// USE_FEATURE_START_STOP_DAEMON_FANCY("ovN:R:")
+ USE_FEATURE_START_STOP_DAEMON_FANCY("ovN:")
"a:n:s:u:c:x:p:"
+ USE_FEATURE_START_STOP_DAEMON_FANCY(,&opt_N)
// USE_FEATURE_START_STOP_DAEMON_FANCY(,&retry_arg)
,&startas, &cmdname, &signame, &userspec, &chuid, &execname, &pidfile);
@@ -279,7 +283,7 @@ int start_stop_daemon_main(int argc, char **argv)
if (found) {
if (!quiet)
- printf("%s already running.\n%d\n", execname ,found->pid);
+ printf("%s already running\n%d\n", execname, found->pid);
USE_FEATURE_START_STOP_DAEMON_FANCY(return !(opt & SSD_OPT_OKNODO);)
SKIP_FEATURE_START_STOP_DAEMON_FANCY(return EXIT_FAILURE;)
}
@@ -296,11 +300,20 @@ int start_stop_daemon_main(int argc, char **argv)
fprintf(pidf, "%d\n", pidt);
fclose(pidf);
}
- if(chuid) {
- if(sscanf(chuid, "%d", &user_id) != 1)
+ if (chuid) {
+ if (sscanf(chuid, "%d", &user_id) != 1)
user_id = bb_xgetpwnam(chuid);
- setuid(user_id);
+ xsetuid(user_id);
}
+#if ENABLE_FEATURE_START_STOP_DAEMON_FANCY
+ if (opt & SSD_OPT_NICELEVEL) {
+ /* Set process priority */
+ int prio = getpriority(PRIO_PROCESS, 0) + xatoi_range(opt_N, INT_MIN/2, INT_MAX/2);
+ if (setpriority(PRIO_PROCESS, 0, prio) < 0) {
+ bb_perror_msg_and_die("setpriority(%d)", prio);
+ }
+ }
+#endif
execv(startas, argv);
bb_perror_msg_and_die ("unable to start %s", startas);
}