Date: Mon, 28 Feb 2011 17:02:56 GMT From: Edward Tomasz Napierala <trasz@FreeBSD.org> To: Perforce Change Reviews <perforce@freebsd.org> Subject: PERFORCE change 189283 for review Message-ID: <201102281702.p1SH2uJL007705@skunkworks.freebsd.org>
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http://p4web.freebsd.org/@@189283?ac=10 Change 189283 by trasz@trasz_victim on 2011/02/28 17:02:47 Add pid argument to getloginclass(2) and add "-o class" argument to ps(1). Affected files ... .. //depot/projects/soc2009/trasz_limits/bin/ps/extern.h#4 edit .. //depot/projects/soc2009/trasz_limits/bin/ps/keyword.c#6 edit .. //depot/projects/soc2009/trasz_limits/bin/ps/print.c#6 edit .. //depot/projects/soc2009/trasz_limits/bin/ps/ps.1#9 edit .. //depot/projects/soc2009/trasz_limits/include/unistd.h#10 edit .. //depot/projects/soc2009/trasz_limits/sys/compat/freebsd32/syscalls.master#15 edit .. //depot/projects/soc2009/trasz_limits/sys/kern/kern_loginclass.c#32 edit .. //depot/projects/soc2009/trasz_limits/sys/kern/syscalls.master#16 edit .. //depot/projects/soc2009/trasz_limits/usr.bin/id/id.c#8 edit Differences ... ==== //depot/projects/soc2009/trasz_limits/bin/ps/extern.h#4 (text+ko) ==== @@ -55,6 +55,7 @@ double getpcpu(const KINFO *); void kvar(KINFO *, VARENT *); void label(KINFO *, VARENT *); +void loginclass(KINFO *, VARENT *); void logname(KINFO *, VARENT *); void longtname(KINFO *, VARENT *); void lstarted(KINFO *, VARENT *); @@ -74,6 +75,7 @@ void rvar(KINFO *, VARENT *); int s_comm(KINFO *); int s_label(KINFO *); +int s_loginclass(KINFO *); int s_rgroupname(KINFO *); int s_runame(KINFO *); int s_uname(KINFO *); ==== //depot/projects/soc2009/trasz_limits/bin/ps/keyword.c#6 (text+ko) ==== @@ -79,6 +79,8 @@ CHAR, NULL, 0}, {"blocked", "", "sigmask", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, {"caught", "", "sigcatch", 0, NULL, NULL, 0, 0, CHAR, NULL, 0}, + {"class", "CLASS", NULL, LJUST|DSIZ, loginclass, s_loginclass, + SHRT_MAX, 0, CHAR, NULL, 0}, {"comm", "COMMAND", NULL, LJUST|DSIZ, ucomm, s_comm, COMMLEN + OCOMMLEN + 1, 0, CHAR, NULL, 0}, {"command", "COMMAND", NULL, COMM|LJUST|USER, command, NULL, 16, 0, ==== //depot/projects/soc2009/trasz_limits/bin/ps/print.c#6 (text+ko) ==== @@ -862,6 +862,25 @@ return; } +void +loginclass(KINFO *k, VARENT *ve) +{ + char buf[MAXLOGNAME + 1]; + int error; + VAR *v; + + v = ve->var; + if (k->ki_p->ki_flag & P_SYSTEM) { + (void)printf("%-*s", v->width, " -"); + return; + } + error = getloginclass(k->ki_p->ki_pid, buf, sizeof(buf)); + if (error == 0) + (void)printf("%-*s", v->width, buf); + else + (void)printf("%-*s", v->width, " -"); +} + int s_comm(KINFO *k) { @@ -895,3 +914,17 @@ mac_free(proclabel); return (size); } + +int +s_loginclass(KINFO *k) +{ + char buf[MAXLOGNAME + 1]; + int error; + + if (k->ki_p->ki_flag & P_SYSTEM) + return (3); /* strlen (" -") */ + error = getloginclass(k->ki_p->ki_pid, buf, sizeof(buf)); + if (error != 0) + return (0); + return (strlen(buf)); +} ==== //depot/projects/soc2009/trasz_limits/bin/ps/ps.1#9 (text+ko) ==== @@ -280,6 +280,8 @@ fields to exceed 100%. .It Cm %mem The percentage of real memory used by this process. +.It Cm class +Login class associated with the process. .It Cm flags The flags associated with the process as in the include file @@ -475,6 +477,8 @@ .Cm acflg ) .It Cm args command and arguments +.It Cm class +login class .It Cm comm command .It Cm command ==== //depot/projects/soc2009/trasz_limits/include/unistd.h#10 (text+ko) ==== @@ -500,7 +500,7 @@ char *fflagstostr(u_long); int getdomainname(char *, int); int getgrouplist(const char *, gid_t, gid_t *, int *); -int getloginclass(char *, size_t); +int getloginclass(pid_t, char *, size_t); mode_t getmode(const void *, mode_t); int getosreldate(void); int getpeereid(int, uid_t *, gid_t *); ==== //depot/projects/soc2009/trasz_limits/sys/compat/freebsd32/syscalls.master#15 (text+ko) ==== @@ -962,8 +962,8 @@ fd_set *ou, fd_set *ex, \ const struct timespec32 *ts, \ const sigset_t *sm); } -523 AUE_NULL NOPROTO { int getloginclass(char *namebuf, size_t \ - namelen); } +523 AUE_NULL NOPROTO { int getloginclass(pid_t pid, char *namebuf, \ + size_t namelen); } 524 AUE_NULL NOPROTO { int setloginclass(const char *namebuf); } 525 AUE_NULL NOPROTO { int rctl_get_usage(const void *inbufp, size_t inbuflen, void *outbufp, size_t outbuflen); } 526 AUE_NULL NOPROTO { int rctl_get_rules(const void *inbufp, size_t inbuflen, void *outbufp, size_t outbuflen); } ==== //depot/projects/soc2009/trasz_limits/sys/kern/kern_loginclass.c#32 (text+ko) ==== @@ -156,10 +156,22 @@ { int error = 0; size_t lcnamelen; - struct proc *p = td->td_proc; + struct proc *p; struct loginclass *lc; - PROC_LOCK(p); + if (uap->pid == 0) { + p = td->td_proc; + PROC_LOCK(p); + } else { + p = pfind(uap->pid); + if (p == NULL) + return (ESRCH); + error = p_cansee(td, p); + if (error != 0) { + PROC_UNLOCK(p); + return (error); + } + } lc = p->p_ucred->cr_loginclass; loginclass_acquire(lc); PROC_UNLOCK(p); ==== //depot/projects/soc2009/trasz_limits/sys/kern/syscalls.master#16 (text+ko) ==== @@ -926,8 +926,8 @@ fd_set *ou, fd_set *ex, \ const struct timespec *ts, \ const sigset_t *sm); } -523 AUE_NULL STD { int getloginclass(char *namebuf, size_t \ - namelen); } +523 AUE_NULL STD { int getloginclass(pid_t pid, char *namebuf, \ + size_t namelen); } 524 AUE_NULL STD { int setloginclass(const char *namebuf); } 525 AUE_NULL STD { int rctl_get_usage(const void *inbufp, size_t inbuflen, void *outbufp, size_t outbuflen); } 526 AUE_NULL STD { int rctl_get_rules(const void *inbufp, size_t inbuflen, void *outbufp, size_t outbuflen); } ==== //depot/projects/soc2009/trasz_limits/usr.bin/id/id.c#8 (text+ko) ==== @@ -164,7 +164,7 @@ #endif if (cflag) { - error = getloginclass(loginclass, sizeof(loginclass)); + error = getloginclass(0, loginclass, sizeof(loginclass)); if (error != 0) err(1, "loginclass"); (void)printf("%s\n", loginclass);
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