Attachment 223536 Details for Bug 254511 – daemon-add-priority.patch

[patch] daemon-add-priority.patch

daemon-add-priority.patch (text/plain), 2.82 KB, created by Yuri Victorovich on 2021-03-24 00:34:31 UTC

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Creator: Yuri Victorovich

Created: 2021-03-24 00:34:31 UTC

Size: 2.82 KB

patch

obsolete

>Index: usr.sbin/daemon/daemon.8
>===================================================================
>--- usr.sbin/daemon/daemon.8	(revision 369512)
>+++ usr.sbin/daemon/daemon.8	(working copy)
>@@ -39,6 +39,8 @@
> .Op Fl P Ar supervisor_pidfile
> .Op Fl t Ar title
> .Op Fl u Ar user
>+.Op Fl e Ar priority
>+.Op Fl i Ar priority
> .Op Fl m Ar output_mask
> .Op Fl o Ar output_file
> .Op Fl s Ar syslog_priority
>@@ -60,6 +62,10 @@
> .It Fl c
> Change the current working directory to the root
> .Pq Dq Pa / .
>+.It Fl e Ar priority
>+Set the realtime priority level for the daemonized process.
>+.It Fl i Ar priority
>+Set the idle priority level for the daemonized process.
> .It Fl f
> Redirect standard input, standard output and standard error to
> .Pa /dev/null .
>@@ -191,6 +197,13 @@
> stop the service, causing
> .Nm
> to restart the child.
>+.Pp
>+Options
>+.Fl e ,
>+.Fl i
>+require the
>+.Ar priority
>+argument which is an integer between 0 and RTP_PRIO_MAX (usually 31).
> .Sh EXIT STATUS
> The
> .Nm
>@@ -209,7 +222,9 @@
> .Ar output_mask
> is not within the accepted range, 7 if
> .Ar output_file
>-cannot be opened for appending, and otherwise 0.
>+cannot be opened for appending, 8 if realtime or idle
>+.Ar priority
>+level value can't be accepted, and otherwise 0.
> .Sh DIAGNOSTICS
> If the command cannot be executed, an error message is printed to
> standard error.
>Index: usr.sbin/daemon/daemon.c
>===================================================================
>--- usr.sbin/daemon/daemon.c	(revision 369512)
>+++ usr.sbin/daemon/daemon.c	(working copy)
>@@ -35,6 +35,8 @@
> 
> #include <sys/param.h>
> #include <sys/mman.h>
>+#include <sys/rtprio.h>
>+#include <sys/types.h>
> #include <sys/wait.h>
> 
> #include <fcntl.h>
>@@ -86,6 +88,7 @@
> 	int pfd[2] = { -1, -1 }, outfd = -1;
> 	int stdmask, logpri, logfac;
> 	struct pidfh *ppfh, *pfh;
>+	struct rtprio rtp, *prtp = NULL;
> 	char *p;
> 
> 	memset(&logpar, 0, sizeof(logpar));
>@@ -99,11 +102,26 @@
> 	dosyslog = 0;
> 	outfn = NULL;
> 	title = NULL;
>-	while ((ch = getopt(argc, argv, "cfSp:P:ru:o:s:l:t:l:m:R:T:")) != -1) {
>+	while ((ch = getopt(argc, argv, "ce:i:fSp:P:ru:o:s:l:t:l:m:R:T:")) != -1) {
> 		switch (ch) {
> 		case 'c':
> 			nochdir = 0;
> 			break;
>+		case 'e':
>+		case 'i':
>+			switch (ch) {
>+			case 'e':
>+				rtp.type = RTP_PRIO_REALTIME;
>+				break;
>+			case 'i':
>+				rtp.type = RTP_PRIO_IDLE;
>+				break;
>+			}
>+			rtp.prio = strtol(optarg, &p, 10);
>+			if (!optarg[0] || p != optarg + strlen(optarg) || rtp.prio < 0 || rtp.prio > RTP_PRIO_MAX)
>+				errx(8, "unrecognized priority value");
>+			prtp = &rtp;
>+			break;
> 		case 'f':
> 			noclose = 0;
> 			break;
>@@ -279,6 +297,11 @@
> 		/* Now that we are the child, write out the pid. */
> 		pidfile_write(pfh);
> 
>+		/* Set child's priority if requested. */
>+		if (prtp != NULL)
>+			if (rtprio(RTP_SET, getpid(), prtp) != 0)
>+				err(1, "RTP_SET");
>+
> 		if (user != NULL)
> 			restrict_process(user);
> 		/*

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