shithub: riscv

Info  •  Files  •  Log  •  Branches

libc: add procsetname()

--- a/sys/include/libc.h

+++ b/sys/include/libc.h

@@ -489,6 +489,9 @@

 extern	int	rwakeupall(Rendez*);

 extern	void**	privalloc(void);

+extern void	procsetname(char*, ...);

+#pragma varargck argpos procsetname 1

+

 /*

  *  network dialing

  */

--- a/sys/src/cmd/aux/listen.c

+++ b/sys/src/cmd/aux/listen.c

@@ -53,31 +53,6 @@

 		" [-a addr] [proto]");

 }

-/*

- * based on libthread's threadsetname, but drags in less library code.

- * actually just sets the arguments displayed.

- */

-static void

-procsetname(char *fmt, ...)

-{

-	int fd;

-	char *cmdname;

-	char buf[128];

-	va_list arg;

-

-	va_start(arg, fmt);

-	cmdname = vsmprint(fmt, arg);

-	va_end(arg);

-	if (cmdname == nil)

-		return;

-	snprint(buf, sizeof buf, "#p/%d/args", getpid());

-	if((fd = open(buf, OWRITE)) >= 0){

-		write(fd, cmdname, strlen(cmdname)+1);

-		close(fd);

-	}

-	free(cmdname);

-}

-

 void

 main(int argc, char *argv[])

 {

--- a/sys/src/cmd/cpu.c

+++ b/sys/src/cmd/cpu.c

@@ -116,31 +116,6 @@

 	return strdup(lp+1);

 }

-/*

- * based on libthread's threadsetname, but drags in less library code.

- * actually just sets the arguments displayed.

- */

-void

-procsetname(char *fmt, ...)

-{

-	int fd;

-	char *cmdname;

-	char buf[128];

-	va_list arg;

-

-	va_start(arg, fmt);

-	cmdname = vsmprint(fmt, arg);

-	va_end(arg);

-	if (cmdname == nil)

-		return;

-	snprint(buf, sizeof buf, "#p/%d/args", getpid());

-	if((fd = open(buf, OWRITE)) >= 0){

-		write(fd, cmdname, strlen(cmdname)+1);

-		close(fd);

-	}

-	free(cmdname);

-}

-

 void

 main(int argc, char **argv)

 {

--- a/sys/src/cmd/cwfs/portfns.h

+++ b/sys/src/cmd/cwfs/portfns.h

@@ -142,7 +142,6 @@

 void	prdate(void);

 void	preread(Device*, Off);

 int	prime(vlong);

-void	procsetname(char *fmt, ...);

 void	putbuf(Iobuf*);

 Off	qidpathgen(Device*);

 void*	querychanger(Device *);

--- a/sys/src/cmd/cwfs/proc.c

+++ b/sys/src/cmd/cwfs/proc.c

@@ -1,31 +1,6 @@

 #include "all.h"

 #include "io.h"

-/*

- * based on libthread's threadsetname, but drags in less library code.

- * actually just sets the arguments displayed.

- */

-void

-procsetname(char *fmt, ...)

-{

-	int fd;

-	char *cmdname;

-	char buf[128];

-	va_list arg;

-

-	va_start(arg, fmt);

-	cmdname = vsmprint(fmt, arg);

-	va_end(arg);

-	if (cmdname == nil)

-		return;

-	snprint(buf, sizeof buf, "#p/%d/args", getpid());

-	if((fd = open(buf, OWRITE)) >= 0){

-		write(fd, cmdname, strlen(cmdname)+1);

-		close(fd);

-	}

-	free(cmdname);

-}

-

 void

 newproc(void (*f)(void *), void *arg, char *text)

 {

--- a/sys/src/cmd/exportfs/exportsrv.c

+++ b/sys/src/cmd/exportfs/exportsrv.c

@@ -437,31 +437,6 @@

 	putsbuf(t);

 }

-/*

- * based on libthread's threadsetname, but drags in less library code.

- * actually just sets the arguments displayed.

- */

-void

-procsetname(char *fmt, ...)

-{

-	int fd;

-	char *cmdname;

-	char buf[128];

-	va_list arg;

-

-	va_start(arg, fmt);

-	cmdname = vsmprint(fmt, arg);

-	va_end(arg);

-	if (cmdname == nil)

-		return;

-	snprint(buf, sizeof buf, "#p/%d/args", getpid());

-	if((fd = open(buf, OWRITE)) >= 0){

-		write(fd, cmdname, strlen(cmdname)+1);

-		close(fd);

-	}

-	free(cmdname);

-}

-

 void

 slave(Fsrpc *f)

 {

--- a/sys/src/cmd/import.c

+++ b/sys/src/cmd/import.c

@@ -37,31 +37,6 @@

 static void	mksecret(char *, uchar *);

-/*

- * based on libthread's threadsetname, but drags in less library code.

- * actually just sets the arguments displayed.

- */

-void

-procsetname(char *fmt, ...)

-{

-	int fd;

-	char *cmdname;

-	char buf[128];

-	va_list arg;

-

-	va_start(arg, fmt);

-	cmdname = vsmprint(fmt, arg);

-	va_end(arg);

-	if (cmdname == nil)

-		return;

-	snprint(buf, sizeof buf, "#p/%d/args", getpid());

-	if((fd = open(buf, OWRITE)) >= 0){

-		write(fd, cmdname, strlen(cmdname)+1);

-		close(fd);

-	}

-	free(cmdname);

-}

-

 void

 post(char *name, char *envname, int srvfd)

 {

--- a/sys/src/cmd/ip/6in4.c

+++ b/sys/src/cmd/ip/6in4.c

@@ -285,31 +285,6 @@

 }

 /*

- * based on libthread's threadsetname, but drags in less library code.

- * actually just sets the arguments displayed.

- */

-void

-procsetname(char *fmt, ...)

-{

-	int fd;

-	char *cmdname;

-	char buf[128];

-	va_list arg;

-

-	va_start(arg, fmt);

-	cmdname = vsmprint(fmt, arg);

-	va_end(arg);

-	if (cmdname == nil)

-		return;

-	snprint(buf, sizeof buf, "#p/%d/args", getpid());

-	if((fd = open(buf, OWRITE)) >= 0){

-		write(fd, cmdname, strlen(cmdname)+1);

-		close(fd);

-	}

-	free(cmdname);

-}

-

-/*

  * encapsulate v6 packets from the packet interface in v4 ones

  * and send them into the tunnel.

  */

--- a/sys/src/cmd/ip/ayiya.c

+++ b/sys/src/cmd/ip/ayiya.c

@@ -466,31 +466,6 @@

 	exits(0);

 }

-/*

- * based on libthread's threadsetname, but drags in less library code.

- * actually just sets the arguments displayed.

- */

-void

-procsetname(char *fmt, ...)

-{

-	int fd;

-	char *cmdname;

-	char buf[128];

-	va_list arg;

-

-	va_start(arg, fmt);

-	cmdname = vsmprint(fmt, arg);

-	va_end(arg);

-	if (cmdname == nil)

-		return;

-	snprint(buf, sizeof buf, "#p/%d/args", getpid());

-	if((fd = open(buf, OWRITE)) >= 0){

-		write(fd, cmdname, strlen(cmdname)+1);

-		close(fd);

-	}

-	free(cmdname);

-}

-

 static int alarmed;

 static void

--- a/sys/src/cmd/ip/ipconfig/ipconfig.h

+++ b/sys/src/cmd/ip/ipconfig/ipconfig.h

@@ -121,7 +121,6 @@

 void	removedefroute(uchar*, uchar*, uchar*, uchar*);

 long	jitter(void);

-void	procsetname(char *fmt, ...);

 void	catch(void*, char*);

 int	countaddrs(uchar *a, int len);

 void	addaddrs(uchar *to, int nto, uchar *from, int nfrom);

--- a/sys/src/cmd/ip/ipconfig/main.c

+++ b/sys/src/cmd/ip/ipconfig/main.c

@@ -801,31 +801,6 @@

 	noted(NDFLT);

 }

-/*

- * based on libthread's threadsetname, but drags in less library code.

- * actually just sets the arguments displayed.

- */

-void

-procsetname(char *fmt, ...)

-{

-	int fd;

-	char *cmdname;

-	char buf[128];

-	va_list arg;

-

-	va_start(arg, fmt);

-	cmdname = vsmprint(fmt, arg);

-	va_end(arg);

-	if (cmdname == nil)

-		return;

-	snprint(buf, sizeof buf, "#p/%d/args", getpid());

-	if((fd = open(buf, OWRITE)) >= 0){

-		write(fd, cmdname, strlen(cmdname)+1);

-		close(fd);

-	}

-	free(cmdname);

-}

-

 /* return pseudo-random integer in range low...(hi-1) */

 ulong

 randint(ulong low, ulong hi)

--- a/sys/src/cmd/ip/tinc.c

+++ b/sys/src/cmd/ip/tinc.c

@@ -175,15 +175,12 @@

 void	delsubnet(Snet*);

 void	netrecalc(void);

-void	procsetname(char *fmt, ...);

 int	consend(Conn *c, char *fmt, ...);

+#pragma varargck argpos consend 2

 void	routepkt(Host *s, uchar *p, int n);

 void	needkey(Host *from);

 void	clearkey(Host *from);

-#pragma varargck argpos procsetname 1

-#pragma varargck argpos consend 2

-

 void*

 emalloc(ulong len)

 {

@@ -209,23 +206,6 @@

 		sysfatal("strdup: %r");

 	setmalloctag(s, getcallerpc(&s));

 	return s;

-}

-

-void

-procsetname(char *fmt, ...)

-{

-	int fd, n;

-	char buf[128];

-	va_list arg;

-

-	snprint(buf, sizeof buf, "#p/%d/args", getpid());

-	if((fd = open(buf, OWRITE)) < 0)

-		return;

-	va_start(arg, fmt);

-	n = vsnprint(buf, sizeof buf, fmt, arg);

-	va_end(arg);

-	write(fd, buf, n+1);

-	close(fd);

 }

 char*

--- a/sys/src/cmd/ndb/cs.c

+++ b/sys/src/cmd/ndb/cs.c

@@ -201,31 +201,6 @@

 	exits("usage");

 }

-/*

- * based on libthread's threadsetname, but drags in less library code.

- * actually just sets the arguments displayed.

- */

-void

-procsetname(char *fmt, ...)

-{

-	int fd;

-	char *cmdname;

-	char buf[128];

-	va_list arg;

-

-	va_start(arg, fmt);

-	cmdname = vsmprint(fmt, arg);

-	va_end(arg);

-	if (cmdname == nil)

-		return;

-	snprint(buf, sizeof buf, "#p/%d/args", getpid());

-	if((fd = open(buf, OWRITE)) >= 0){

-		write(fd, cmdname, strlen(cmdname)+1);

-		close(fd);

-	}

-	free(cmdname);

-}

-

 void

 main(int argc, char *argv[])

 {

--- a/sys/src/cmd/ndb/dn.c

+++ b/sys/src/cmd/ndb/dn.c

@@ -1467,31 +1467,6 @@

 }

 /*

- * based on libthread's threadsetname, but drags in less library code.

- * actually just sets the arguments displayed.

- */

-void

-procsetname(char *fmt, ...)

-{

-	int fd;

-	char *cmdname;

-	char buf[128];

-	va_list arg;

-

-	va_start(arg, fmt);

-	cmdname = vsmprint(fmt, arg);

-	va_end(arg);

-	if (cmdname == nil)

-		return;

-	snprint(buf, sizeof buf, "#p/%d/args", getpid());

-	if((fd = open(buf, OWRITE)) >= 0){

-		write(fd, cmdname, strlen(cmdname)+1);

-		close(fd);

-	}

-	free(cmdname);

-}

-

-/*

  *  create a slave process to handle a request to avoid one request blocking

  *  another

  */

--- a/sys/src/cmd/ndb/dns.h

+++ b/sys/src/cmd/ndb/dns.h

@@ -508,7 +508,6 @@

 RR*	getdnsservers(int);

 void	logreply(int, uchar*, DNSmsg*);

 void	logsend(int, int, uchar*, char*, char*, int);

-void	procsetname(char *fmt, ...);

 /* dnresolve.c */

 RR*	dnresolve(char*, int, int, Request*, RR**, int, int, int, int*);

--- a/sys/src/libc/9sys/mkfile

+++ b/sys/src/libc/9sys/mkfile

@@ -31,6 +31,7 @@

 	nulldir.$O\

 	postnote.$O\

 	privalloc.$O\

+	procsetname.$O\

 	pushssl.$O\

 	pushtls.$O\

 	putenv.$O\

--- /dev/null

+++ b/sys/src/libc/9sys/procsetname.c

@@ -1,0 +1,19 @@

+#include <u.h>

+#include <libc.h>

+

+void

+procsetname(char *fmt, ...)

+{

+	int fd, n;

+	char buf[128];

+	va_list arg;

+

+	snprint(buf, sizeof buf, "#p/%lud/args", (ulong)getpid());

+	if((fd = open(buf, OWRITE)) < 0)

+		return;

+	va_start(arg, fmt);

+	n = vsnprint(buf, sizeof buf, fmt, arg);

+	va_end(arg);

+	write(fd, buf, n+1);

+	close(fd);

+}